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NSR database version of April 11, 2024.

Search: Author = J.R.Annand

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2023BA25      Phys.Lett. B 844, 138080 (2023)

M.Bashkanov, D.P.Watts, S.Kay, S.Abt, P.Achenbach, P.Adlarson, F.Afzal, Z.Ahmed, C.S.Akondi, J.R.M.Annand, H.J.Arends, R.Beck, M.Biroth, N.Borisov, A.Braghieri, W.J.Briscoe, F.Cividini, C.Collicott, S.Costanza, A.Denig, E.J.Downie, P.Drexler, S.Fegan, A.Fix, S.Gardner, D.Ghosal, D.I.Glazier, I.Gorodnov, W.Gradl, M.Gunther, D.Gurevich, L.Heijkenskjold, D.Hornidge, G.M.Huber, A.Kaser, V.L.Kashevarov, M.Korolija, B.Krusche, A.Lazarev, K.Livingston, S.Lutterer, I.J.D.MacGregor, D.M.Manley, P.P.Martel, R.Miskimen, E.Mornacchi, C.Mullen, A.Neganov, A.Neiser, M.Ostrick, P.B.Otte, D.Paudyal, P.Pedroni, A.Powell, S.N.Prakhov, V.Sokhoyan, K.Spieker, O.Steffen, I.I.Strakovsky, T.Strub, I.Supek, A.Thiel, M.Thiel, A.Thomas, Yu.A.Usov, S.Wagner, J.Wettig, M.Wolfes, N.Zachariou

First measurement of polarisation transfer Cnx, in deuteron photodisintegration

NUCLEAR REACTIONS 2H(polarized γ, X), E=370-700 MeV; measured reaction products; deduced the polarisation transfer from a circularly-polarised photon to the final state neutron in deuterium photodisintegration. Cryogenic liquid deuterium target within the Crystal Ball detector at MAMI.

doi: 10.1016/j.physletb.2023.138080
Citations: PlumX Metrics


2022HO01      J.Phys.(London) G49, 010502 (2022)

C.R.Howell, M.W.Ahmed, A.Afanasev, D.Alesini, J.R.M.Annand, A.Aprahamian, D.L.Balabanski, S.V.Benson, A.Bernstein, C.R.Brune, J.Byrd, B.E.Carlsten, A.E.Champagne, S.Chattopadhyay, D.Davis, E.J.Downie, J.M.Durham, G.Feldman, H.Gao, C.G.R.Geddes, H.W.Griesshammer, R.Hajima, H.Hao, D.Hornidge, J.Isaak, R.V.F.Janssens, D.P.Kendellen, M.Kovash, P.P.Martel, U.-G.Meissner, R.Miskimen, B.Pasquini, D.R.Phillips, N.Pietralla, D.Savran, M.R.Schindler, M.H.Sikora, W.M.Snow, R.P.Springer, C.Sun, C.Tang, B.Tiburzi, A.P.Tonchev, W.Tornow, C.A.Ur, D.Wang, H.R.Weller, V.Werner, Y.K.Wu, J.Yan, Z.Zhao, A.Zilges, F.Z.Zomer

International workshop on next generation gamma-ray source

doi: 10.1088/1361-6471/ac2827
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2021AC08      Eur.Phys.J. A 57, 261 (2021)

A.Accardi, A.Afanasev, I.Albayrak, S.F.Ali, M.Amaryan, J.R.M.Annand, J.Arrington, A.Asaturyan, H.Atac, H.Avakian, T.Averett, C.Ayerbe Gayoso, X.Bai, L.Barion, M.Battaglieri, V.Bellini, R.Beminiwattha, F.Benmokhtar, V.V.Berdnikov, J.C.Bernauer, V.Bertone, A.Bianconi, A.Biselli, P.Bisio, P.Blunden, M.Boer, M.Bondi, K.-T.Brinkmann, W.J.Briscoe, V.Burkert, T.Cao, A.Camsonne, R.Capobianco, L.Cardman, M.Carmignotto, M.Caudron, L.Causse, A.Celentano, P.Chatagnon, J.-P.Chen, T.Chetry, G.Ciullo, E.Cline, P.L.Cole, M.Contalbrigo, G.Costantini, A.D'Angelo, L.Darme, D.Day, M.Defurne, M.De Napoli, A.Deur, R.De Vita, N.D'Hose, S.Diehl, M.Diefenthaler, B.Dongwi, R.Dupre, H.Dutrieux, D.Dutta, M.Ehrhart, L.El Fassi, L.Elouadrhiri, R.Ent, J.Erler, I.P.Fernando, A.Filippi, D.Flay, T.Forest, E.Fuchey, S.Fucini, Y.Furletova, H.Gao, D.Gaskell, A.Gasparian, T.Gautam, F.-X.Girod, K.Gnanvo, J.Grames, G.N.Grauvogel, P.Gueye, M.Guidal, S.Habet, T.J.Hague, D.J.Hamilton, O.Hansen, D.Hasell, M.Hattawy, D.W.Higinbotham, A.Hobart, T.Horn, C.E.Hyde, H.Ibrahim, A.Ilyichev, A.Italiano, K.Joo, S.J.Joosten, V.Khachatryan, N.Kalantarians, G.Kalicy, B.Karky, D.Keller, C.Keppel, M.Kerver, M.Khandaker, A.Kim, J.Kim, P.M.King, E.Kinney, V.Klimenko, H.-S.Ko, M.Kohl, V.Kozhuharov, B.T.Kriesten, G.Krnjaic, V.Kubarovsky, T.Kutz, L.Lanza, M.Leali, P.Lenisa, N.Liyanage, Q.Liu, S.Liuti, J.Mammei, S.Mantry, D.Marchand, P.Markowitz, L.Marsicano, V.Mascagna, M.Mazouz, M.McCaughan, B.McKinnon, D.McNulty, W.Melnitchouk, A.Metz, Z.-E.Meziani, S.Migliorati, M.Mihovilovic, R.Milner, A.Mkrtchyan, H.Mkrtchyan, A.Movsisyan, H.Moutarde, M.Muhoza, C.Munoz Camacho, J.Murphy, P.Nadel-Turonski, E.Nardi, J.Nazeer, S.Niccolai, G.Niculescu, R.Novotny, J.F.Owens, M.Paolone, L.Pappalardo, R.Paremuzyan, B.Pasquini, E.Pasyuk, T.Patel, I.Pegg, C.Peng, D.Perera, M.Poelker, K.Price, A.J.R.Puckett, M.Raggi, N.Randazzo, M.N.H.Rashad, M.Rathnayake, B.Raue, P.E.Reimer, M.Rinaldi, A.Rizzo, Y.Roblin, J.Roche, O.Rondon-Aramayo, F.Sabatie, G.Salme, E.Santopinto, R.Santos Estrada, B.Sawatzky, A.Schmidt, P.Schweitzer, S.Scopetta, V.Sergeyeva, M.Shabestari, A.Shahinyan, Y.Sharabian, S.Sirca, E.S.Smith, D.Sokhan, A.Somov, N.Sparveris, M.Spata, H.Spiesberger, M.Spreafico, S.Stepanyan, P.Stoler, I.Strakovsky, R.Suleiman, M.Suresh, P.Sznajder, H.Szumila-Vance, V.Tadevosyan, A.S.Tadepalli, A.W.Thomas, M.Tiefenback, R.Trotta, M.Ungaro, P.Valente, M.Vanderhaeghen, L.Venturelli, H.Voskanyan, E.Voutier, B.Wojtsekhowski, M.H.Wood, S.Wood, J.Xie, W.Xiong, Z.Ye, M.Yurov, H.-G.Zaunick, S.Zhamkochyan, J.Zhang, S.Zhang, S.Zhao, Z.W.Zhao, X.Zheng, J.Zhou, C.Zorn

An experimental program with high duty-cycle polarized and unpolarized positron beams at Jefferson Lab

doi: 10.1140/epja/s10050-021-00564-y
Citations: PlumX Metrics


2021AF03      Eur.Phys.J. A 57, 300 (2021)

A.Afanasev, I.Albayrak, S.Ali, M.Amaryan, J.R.M.Annand, A.Asaturyan, V.Bellini, V.V.Berdnikov, M.Boer, K.Brinkmann, W.J.Briscoe, A.Camsonne, M.Caudron, L.Causse, M.Carmignotto, D.Day, M.Defurne, S.Diehl, R.Ent, P.Chatagnon, R.Dupre, D.Dutta, M.Ehrhart, M.A.I.Fernando, T.Forest, M.Guidal, J.Grames, P.Gueye, S.Habet, D.J.Hamilton, A.Hobart, T.Horn, C.Hyde, G.Kalicy, D.Keller, C.Keppel, M.Kerver, E.Kinney, H.-S.Ko, D.Marchand, P.Markowitze, M.Mazouz, M.McCaughan, B.McKinnon, A.Mkrtchyan, H.Mkrtchyan, M.Muhoza, C.Munoz Camacho, J.Murphy, P.Nadel-Turonski, S.Niccolai, G.Niculescu, R.Novotny, R.Paremuzyan, I.Pegg, K.Price, H.Rashad, J.Roche, R.Rondon, B.Sawatzky, V.Sergeyeva, S.Sirca, A.Somov, I.Strakovsky, V.Tadevosyan, R.Trotta, H.Voskanyan, E.Voutier, B.Wojtsekhowski, S.Wood, S.Zhamkochyan, J.Zhang, S.Zhao, C.Zorn

Deeply virtual Compton scattering using a positron beam in Hall-C at Jefferson Lab

doi: 10.1140/epja/s10050-021-00581-x
Citations: PlumX Metrics


2020BA10      Eur.Phys.J. A 56, 26 (2020)

S.N.Basilev, Yu.P.Bushuev, O.P.Gavrishchuk, V.V.Glagolev, D.A.Kirillov, N.V.Kostayeva, A.D.Kovalenko, K.S.Legostaeva, A.N.Livanov, I.A.Philippov, N.M.Piskunov, A.A.Povtoreiko, P.A.Rukoyatkin, R.A.Shindin, A.V.Shipunov, A.V.Shutov, I.M.Sitnik, V.M.Slepnev, I.V.Slepnev, A.V.Terletskiy, K.Hamilton, R.Montgomery, J.R.M.Annand, D.Marchand, Y.Wang, E.Tomasi-Gustafsson, C.F.Perdrisat, V.Punjabi, G.Martinska, J.Urban, J.Musinsky

Measurement of neutron and proton analyzing powers on C, CH, CH2 and Cu targets in the momentum region 3-4.2 GeV/c

doi: 10.1140/epja/s10050-020-00032-z
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2020ST04      Phys.Rev. C 101, 035207 (2020)

B.Strandberg, K.G.Fissum, J.R.M.Annand, W.J.Briscoe, J.Brudvik, F.Cividini, L.Clark, E.J.Downie, K.England, G.Feldman, D.I.Glazier, K.Hamilton, K.Hansen, L.Isaksson, R.Al Jebali, M.A.Kovash, A.E.Kudryavtsev, V.Lensky, S.Lipschutz, M.Lundin, M.Meshkian, D.G.Middleton, L.S.Myers, D.O'Donnell, G.V.O'Rielly, B.Oussena, M.F.Preston, B.Schroder, B.Seitz, I.I.Strakovsky, M.Taragin, V.E.Tarasov, for the PIONS at MAX-lab Collaboration

Near-threshold π- photoproduction on the deuteron

NUCLEAR REACTIONS 2H(γ, π-), E=147.0, 149.7, 152.3, 154.9, 157.6, 159.8 MeV; measured Eγ, Iγ, total σ(E) using three large NaI(Tl) detectors for γ detection of radiative π- capture in target at the Tagged-Photon Facility of the MAX IV Laboratory in Sweden; deduced probability of π- capture inside the LD2 target. Comparison with theoretical predictions.

doi: 10.1103/PhysRevC.101.035207
Citations: PlumX Metrics


2019AK10      Eur.Phys.J. A 55, 202 (2019)

C.S.Akondi, K.Bantawa, D.M.Manley, S.Abt, P.Achenbach, F.Afzal, P.Aguar-Bartolome, Z.Ahmed, J.R.M.Annand, H.J.Arends, M.Bashkanov, R.Beck, M.Biroth, N.Borisov, A.Braghieri, W.J.Briscoe, F.Cividini, C.Collicott, S.Costanza, A.Denig, M.Dieterle, E.J.Downie, P.Drexler, M.I.Ferretti-Bondy, S.Gardner, D.I.Glazier, I.Gorodnov, W.Gradl, M.Gunther, D.Gurevich, S.Kay, L.Heijkenskjold, D.Hornidge, G.M.Huber, M.Kaser, V.L.Kashevarov, M.Korolija, B.Krusche, A.Lazarev, K.Livingston, S.Lutterer, J.C.McGeorge, I.J.D.MacGregor, P.P.Martel, D.G.Middleton, R.Miskimen, E.Mornacchi, A.Mushkarenkov, C.Mullen, A.Neganov, A.Neiser, M.Oberle, M.Ostrick, P.B.Otte, B.Oussena, D.Paudyal, P.Pedroni, A.Powell, S.N.Prakhov, G.Ron, T.Rostomyan, A.Sarty, C.Sfienti, V.Sokhoyan, K.Spieker, O.Steffen, I.I.Strakovsky, Th.Strub, I.Supek, A.Thiel, M.Thiel, A.Thomas, M.Unverzagt, Yu.A.Usov, N.K.Walford, D.P.Watts, S.Wagner, D.Werthmuller, J.Wettig, L.Witthauer, M.Wolfes

Experimental study of the γp → K0Σ+, γn → K0Λ, and γn → K0Σ0 reactions at the Mainz Microtron

doi: 10.1140/epja/i2019-12924-x
Citations: PlumX Metrics


2019BA02      Phys.Lett. B 789, 7 (2019)

M.Bashkanov, S.Kay, D.P.Watts, C.Mullen, S.Abt, P.Achenbach, P.Adlarson, F.Afzal, Z.Ahmed, C.S.Akondi, J.R.M.Annand, H.J.Arends, R.Beck, M.Biroth, N.Borisov, A.Braghieri, W.J.Briscoe, F.Cividini, C.Collicott, S.Costanza, A.Denig, E.J.Downie, P.Drexler, S.Garni, D.I.Glazier, I.Gorodnov, W.Gradl, M.Gunther, D.Gurevich, L.Heijkenskjold, D.Hornidge, G.M.Huber, A.Kaser, V.L.Kashevarov, M.Korolija, B.Krusche, A.Lazarev, K.Livingston, S.Lutterer, I.J.D.MacGregor, R.Macrae, D.M.Manley, P.P.Martel, R.Miskimen, E.Mornacchi, A.Neganov, A.Neiser, M.Ostrick, P.B.Otte, D.Paudyal, P.Pedroni, A.Powell, S.N.Prakhov, G.Ron, T.Rostomyan, A.Sarty, C.Sfienti, V.Sokhoyan, K.Spieker, O.Steffen, I.I.Strakovsky, T.Strub, I.Supek, A.Thiel, M.Thiel, A.Thomas, Yu.A.Usov, S.Wagner, N.K.Walford, D.Werthmuller, J.Wettig, M.Wolfes, L.A.Zana

Deuteron photodisintegration by polarized photons in the region of the d*(2380)

NUCLEAR REACTIONS 2H(polarized γ, np), E=420-620 MeV; measured reaction products; deduced beam-spin asymmetry for deuteron photodisintegration.

doi: 10.1016/j.physletb.2018.12.026
Citations: PlumX Metrics


2018ST10      Phys.Rev. C 98, 012201 (2018)

B.Strandberg, J.R.M.Annand, W.Briscoe, J.Brudvik, F.Cividini, L.Clark, E.J.Downie, K.England, G.Feldman, K.G.Fissum, D.I.Glazier, K.Hamilton, K.Hansen, L.Isaksson, R.Al Jebali, M.A.Kovash, S.Lipschutz, M.Lundin, M.Meshkian, D.G.Middleton, L.S.Myers, D.O'Donnell, G.O'Rielly, B.Oussena, M.F.Preston, B.Schroder, B.Seitz, I.Strakovsky, M.Taragin, for the COMPTON @ MAX-LAB Collaboration

Compton scattering from the deuteron above pion-production threshold

NUCLEAR REACTIONS 2H(γ, γ'), E=143.2, 148.4, 153.2, 158.5 MeV bremsstrahlung photons produce by electron beam of about 190 MeV at the MAX-IV Laboratory in Lund; measured Eγ, γ(θ), γγ-coin, and differential σ(θ) of Compton scattered photons above the pion-production threshold using Compton and Two-Photon Spectrometer (CATS) at MAX IV Laboratory.

doi: 10.1103/PhysRevC.98.012201
Citations: PlumX Metrics


2017DI10      Phys.Lett. B 770, 523 (2017)

M.Dieterle, L.Witthauer, F.Cividini, S.Abt, P.Achenbach, P.Adlarson, F.Afzal, Z.Ahmed, C.S.Akondi, J.R.M.Annand, H.J.Arends, M.Bashkanov, R.Beck, M.Biroth, N.S.Borisov, A.Braghieri, W.J.Briscoe, S.Costanza, C.Collicott, A.Denig, E.J.Downie, P.Drexler, M.I.Ferretti-Bondy, S.Gardner, S.Garni, D.I.Glazier, D.Glowa, W.Gradl, M.Gunther, G.M.Gurevich, D.Hamilton, D.Hornidge, G.M.Huber, A.Kaser, V.L.Kashevarov, S.Kay, I.Keshelashvili, R.Kondratiev, M.Korolija, B.Krusche, A.B.Lazarev, J.M.Linturi, V.Lisin, K.Livingston, S.Lutterer, I.J.D.MacGregor, J.Mancell, D.M.Manley, P.P.Martel, V.Metag, W.Meyer, R.Miskimen, E.Mornacchi, A.Mushkarenkov, A.B.Neganov, A.Neiser, M.Oberle, M.Ostrick, P.B.Otte, D.Paudyal, P.Pedroni, A.Polonski, S.N.Prakhov, A.Rajabi, G.Reicherz, G.Ron, T.Rostomyan, A.Sarty, C.Sfienti, M.H.Sikora, V.Sokhoyan, K.Spieker, O.Steffen, I.I.Strakovsky, Th.Strub, I.Supek, A.Thiel, M.Thiel, A.Thomas, M.Unverzagt, Yu.A.Usov, S.Wagner, N.K.Walford, D.P.Watts, D.Werthmuller, J.Wettig, M.Wolfes, L.Zana

First measurement of the polarization observable E and helicity-dependent cross sections in single π0 photoproduction from quasi-free nucleons

NUCLEAR REACTIONS 2H(γ, π0), E=400-1450 MeV; measured reaction products; deduced σ.

doi: 10.1016/j.physletb.2017.04.079
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2017SC10      Appl.Radiat.Isot. 127, 98 (2017)

J.Scherzinger, R.Al Jebali, J.R.M.Annand, K.G.Fissum, R.Hall-Wilton, S.Koufigar, N.Mauritzson, F.Messi, H.Perrey, E.Rofors

A comparison of untagged gamma-ray and tagged-neutron yields from 241AmBe and 238PuBe sources

RADIOACTIVITY 241Am, 238Pu(α); measured decay products, Eγ, Iγ, En, In; deduced shapes of untagged γ-ray and tagged neutron yields. Comparison with available data.

doi: 10.1016/j.apradiso.2017.05.014
Citations: PlumX Metrics


2017SC13      Appl.Radiat.Isot. 128, 270 (2017)

J.Scherzinger, R.Al Jebali, J.R.M.Annand, A.Bala, K.G.Fissum, R.Hall-Wilton, D.Hamilton, N.Mauritzson, F.Messi, H.Perrey, E.Rofors

Tagging fast neutrons from a 252Cf fission-fragment source

RADIOACTIVITY 252Cf(SF); measured fission products, TOF, En, In, Eα, Iα; deduced continuous polychromatic beam of tagged neutrons using coincidences with fission fragments.

doi: 10.1016/j.apradiso.2017.05.022
Citations: PlumX Metrics


2016AN07      Phys.Rev. C 93, 055209 (2016)

J.R.M.Annand, for the A2 Collaboration at MAMI

T and T asymmetries in π0 photoproduction on the proton

NUCLEAR REACTIONS 1H(polarized γ, π0p), E=425 to 1445 MeV; measured distributions of the missing mass, beam-target asymmetry F, and target asymmetry T, unpolarized and polarized differential cross sections using transversely polarized proton target and a longitudinally polarized bremsstrahlung beam at the photon tagging facility of Mainz Microtron (MAMI) using the Crystal Ball and TAPS photon spectrometers. Discussed impact on partial-wave amplitudes and baryon resonance contributions.

doi: 10.1103/PhysRevC.93.055209
Citations: PlumX Metrics


2015AL28      Eur.Phys.J. A 51, 123 (2015), Erratum Eur.Phys.J. A 51, 138 (2015)

R.Al Jebali, J.R.M.Annand, J.-O.Adler, I.Akkurt, E.Buchanan, J.Brudvik, K.Fissum, S.Gardner, D.J.Hamilton, K.Hansen, L.Isaksson, K.Livingston, M.Lundin, J.C.McGeorge, I.J.D.MacGregor, R.MacRae, D.G.Middleton, A.J.H.Reiter, G.Rosner, B.Schroder, J.Sjogren, D.Sokhan, B.Strandberg

A helium gas scintillator active target for photoreaction measurements

doi: 10.1140/epja/i2015-15123-y
Citations: PlumX Metrics


2015AN06      Phys.Rev. C 91, 055208 (2015)

J.R.M.Annand, for the A2 Collaboration at MAMI

First measurement of target and beam-target asymmetries in the γp → π0ηp reaction

NUCLEAR REACTIONS 1H(polarized γ, π0)pη, E=1050-1450 MeV; measured particle spectra, angular distributions using the Crystal Ball and TAPS detector at the Glasgow tagged photon facility of the Mainz Microtron MAMI; deduced invariant mass distributions. Comparison with predictions of Bonn-Gatchina model.

doi: 10.1103/PhysRevC.91.055208
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2015MY04      Phys.Rev. C 92, 025203 (2015)

L.S.Myers, J.R.M.Annand, J.Brudvik, G.Feldman, K.G.Fissum, H.W.Griesshammer, K.Hansen, S.S.Henshaw, L.Isaksson, R.Jebali, M.A.Kovash, M.Lundin, D.G.Middleton, A.M.Nathan, B.Schroder, S.C.Stave

Compton scattering from the deuteron below pion-production threshold

doi: 10.1103/PhysRevC.92.025203
Citations: PlumX Metrics


2014KA30      Phys.Rev.Lett. 113, 022502 (2014)

J.Katich, X.Qian, Y.X.Zhao, K.Allada, K.Aniol, J.R.M.Annand, T.Averett, F.Benmokhtar, W.Bertozzi, P.C.Bradshaw, P.Bosted, A.Camsonne, M.Canan, G.D.Cates, C.Chen, J.-P.Chen, W.Chen, K.Chirapatpimol, E.Chudakov, E.Cisbani, J.C.Cornejo, F.Cusanno, M.M.Dalton, W.Deconinck, C.W.de Jager, R.De Leo, X.Deng, A.Deur, H.Ding, P.A.M.Dolph, C.Dutta, D.Dutta, L.El Fassi, S.Frullani, H.Gao, F.Garibaldi, D.Gaskell, S.Gilad, R.Gilman, O.Glamazdin, S.Golge, L.Guo, D.Hamilton, O.Hansen, D.W.Higinbotham, T.Holmstrom, J.Huang, M.Huang, H.F.Ibrahim, M.Iodice, X.Jiang, G.Jin, M.K.Jones, A.Kelleher, W.Kim, A.Kolarkar, W.Korsch, J.J.LeRose, X.Li, Y.Li, R.Lindgren, N.Liyanage, E.Long, H.-J.Lu, D.J.Margaziotis, P.Markowitz, S.Marrone, D.McNulty, Z.-E.Meziani, R.Michaels, B.Moffit, C.Munoz Camacho, S.Nanda, A.Narayan, V.Nelyubin, B.Norum, Y.Oh, M.Osipenko, D.Parno, J.C.Peng, S.K.Phillips, M.Posik, A.J.R.Puckett, Y.Qiang, A.Rakhman, R.D.Ransome, S.Riordan, A.Saha, B.Sawatzky, E.Schulte, A.Shahinyan, M.H.Shabestari, S.Sirca, S.Stepanyan, R.Subedi, V.Sulkosky, L.-G.Tang, A.Tobias, G.M.Urciuoli, I.Vilardi, K.Wang, Y.Wang, B.Wojtsekhowski, X.Yan, H.Yao, Y.Ye, Z.Ye, L.Yuan, X.Zhan, Y.Zhang, Y.-W.Zhang, B.Zhao, X.Zheng, L.Zhu, X.Zhu, X.Zong

Measurement of the Target-Normal Single-Spin Asymmetry in Deep-Inelastic Scattering from the Reaction 3He ↑ (e, e')X

doi: 10.1103/PhysRevLett.113.022502
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2014MY01      Phys.Rev. C 89, 035202 (2014)

L.S.Myers, K.Shoniyozov, M.F.Preston, M.D.Anderson, J.R.M.Annand, M.Boselli, W.J.Briscoe, J.Brudvik, J.I.Capone, G.Feldman, K.G.Fissum, K.Hansen, S.S.Henshaw, L.Isaksson, R.Jebali, M.A.Kovash, K.Lewis, M.Lundin, I.J.D.MacGregor, D.G.Middleton, D.E.Mittelberger, M.Murray, A.M.Nathan, S.Nutbeam, G.V.O'Rielly, B.Schroder, B.Seitz, S.C.Stave, H.R.Weller, for the COMPTON @ MAX-lab Collaboration

Compton scattering from 12C using tagged photons in the energy range 65-115 MeV

NUCLEAR REACTIONS 12C(γ, γ), E=65-115 MeV; measured photon spectra, σ(E, θ) at Tagged-Photon Facility of the MAX IV-Lund Laboratory; deduced bound-nucleon polarizabilities. GEANT4 lineshape analysis of Compton-scattered photon spectrum. Phenomenological model. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.89.035202
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0037.


2014MY06      Phys.Rev.Lett. 113, 262506 (2014)

L.S.Myers, J.R.M.Annand, J.Brudvik, G.Feldman, K.G.Fissum, H.W.Griesshammer, K.Hansen, S.S.Henshaw, L.Isaksson, R.Jebali, M.A.Kovash, M.Lundin, J.A.McGovern, D.G.Middleton, A.M.Nathan, D.R.Phillips, B.Schroder, S.C.Stave, for the COMPTON @ MAX-lab Collaboration

Measurement of Compton Scattering from the Deuteron and an Improved Extraction of the Neutron Electromagnetic Polarizabilities

NUCLEAR REACTIONS 2H(γ, γ), (γ, E), E=65-115 MeV; measured reaction products, Eγ, Iγ; deduced the isoscalar polarizabilities and reduced the statistical uncertainty on these quantities. Comparison with available data.

doi: 10.1103/PhysRevLett.113.262506
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0045.


2013BA28      Phys.Lett. B 723, 71 (2013)

P.A.Bartolome, A.Mushkarenkov, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, V.Bekrenev, H.Berghauser, A.Braghieri, W.J.Briscoe, S.N.Cherepnya, S.Costanza, P.Drexler, L.V.Filkov, A.Fix, G.Giardina, D.I.Glazier, D.Hamilton, E.Heid, W.Heil, D.Hornidge, D.Howdle, I.Jaegle, O.Jahn, T.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, J.Krimmer, B.Krusche, S.Kruglov, A.Kulbardis, V.Lisin, K.Livingston, J.Mancell, D.G.Middleton, I.J.D.MacGregor, D.M.Manley, J.C.McGeorge, V.Metag, B.M.K.Nefkens, A.Nikolaev, M.Oberle, M.Ostrick, H.Ortega, P.B.Otte, B.Oussena, P.Pedroni, F.Pheron, S.Prakhov, A.Polonski, F.Rigamonti, M.Romaniuk, G.Rosner, T.Rostomyan, S.Schumann, D.Sober, A.Starostin, I.Supek, M.Thiel, A.Thomas, M.Unverzagt, D.Watts, D.Werthmuller

First measurement of the helicity dependence of 3He photoreactions in the Δ(1232) resonance region

NUCLEAR REACTIONS 3He(γ, X), (γ, π0), (γ, π+), (γ, π-), (γ, 2p), E=150-500 MeV; measured reaction products, Eγ, Iγ; deduced total σ, unpolarized σ, polarized σ. Large acceptance Crystal Ball spectrometer.

doi: 10.1016/j.physletb.2013.04.057
Citations: PlumX Metrics


2013TH10      Eur.Phys.J. A 49, 132 (2013)

M.Thiel, V.Metag, P.Aguar-Bartolome, L.K.Akasoy, J.R.M.Annand, H.J.Arends, K.Bantawa, R.Beck, V.Bekrenev, H.Berghauser, A.Braghieri, W.J.Briscoe, J.Brudvik, S.Cherepnya, M.Dieterle, E.J.Downie, P.Drexler, L.V.Filkov, S.Friedrich, D.I.Glazier, R.Gregor, E.Heid, D.Hornidge, O.Jahn, T.C.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, M.Kotulla, B.Krusche, A.Kulbardis, B.Lemmer, V.Lisin, K.Livingston, S.Lugert, I.J.D.MacGregor, Y.Maghrbi, J.Mancell, D.M.Manley, M.Martinez, J.C.McGeorge, E.F.McNicoll, D.G.Middleton, A.Mushkarenkov, M.Nanova, B.M.K.Nefkens, A.Nikolaev, R.W.Novotny, M.Ostrick, P.Pedroni, F.Pheron, A.Polonski, S.N.Prakhov, J.Robinson, G.Rosner, T.Rostomyan, S.Schumann, M.H.Sikora, A.Starostin, I.Supek, A.Thomas, M.Unverzagt, D.P.Watts, J.Weil, D.Werthmuller, I.Zamboni

In-medium modifications of the ω meson near the production threshold

doi: 10.1140/epja/i2013-13132-6
Citations: PlumX Metrics


2012PH03      Phys.Lett. B 709, 21 (2012)

F.Pheron, J.Ahrens, J.R.M.Annand, H.J.Arends, K.Bantawa, P.A.Bartolome, R.Beck, V.Bekrenev, H.Berghauser, B.Boillat, A.Braghieri, D.Branford, W.J.Briscoe, J.Brudvik, S.Cherepnya, B.Demissie, M.Dieterle, E.J.Downie, P.Drexler, D.I.Glazier, E.Heid, L.V.Filkov, D.Hornidge, D.Howdle, O.Jahn, I.Jaegle, T.C.Jude, V.L.Kashevarov, I.Keshelashvili, R.Kondratiev, M.Korolija, M.Kotulla, A.Kulbardis, S.P.Kruglov, B.Krusche, V.Lisin, K.Livingston, I.J.D.Macgregor, Y.Maghrbi, J.Mancell, D.M.Manley, Z.Marinides, M.Martinez, J.C.Mcgeorge, E.Mcnicoll, D.Mekterovic, V.Metag, S.Micanovic, D.G.Middleton, A.Mushkarenkov, B.M.K.Nefkens, A.Nikolaev, R.Novotny, M.Oberle, M.Ostrick, B.Oussena, P.Pedroni, A.Polonski, S.N.Prakhov, J.Robinson, G.Rosner, T.Rostomyan, S.Schumann, M.H.Sikora, D.I.Sober, A.Starostin, I.Supek, M.Thiel, A.Thomas, M.Unverzagt, D.P.Watts, D.Werthmuller, L.Witthauer, F.Zehr

Coherent photoproduction of η-mesons off 3He - search for η-mesic nuclei

NUCLEAR REACTIONS 3He(γ, η), E=597.8-695.1 MeV; measured products, 3He; deduced σ, σ(E), σ(θ). Data were imported from EXFOR entry G0031.

doi: 10.1016/j.physletb.2012.01.075
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0031.


2011AH01      Eur.Phys.J. A 47, 36 (2011)

J.Ahrens, S.Altieri, J.R.M.Annand, H.-J.Arends, R.Beck, M.A.Blackston, C.Bradtke, A.Braghieri, N.D'Hose, H.Dutz, A.Fix, E.Heid, O.Jahn, F.Klein, R.Kondratiev, M.Lang, V.Lisin, M.Martinez-Fabregate, J.C.McGeorge, W.Meyer, A.Panzeri, P.Pedroni, T.Pinelli, D.Protopopescu, G.Reicherz, Ch.Rohlof, G.Rosner, T.Rostomyan, D.Ryckbosch, G.Tamas, A.Thomas, H.R.Weller, for the GDH and A2 Collaborations

Measurement of the helicity-dependent total cross-section for the γn → pπ-π0 reaction

NUCLEAR REACTIONS 2H(γ, p), E=450-800 MeV; measured γ spectra, γ(proton)-, γ(charged-particle)-coin, charged-particle spectra using the DAPHNE detector with incident circularly polarized γ, longitudinally polarized deuterons; deduced unpolarized and polarized γn to pπ+π0 σ. Comparison with previous data and calculations.

doi: 10.1140/epja/i2011-11036-1
Citations: PlumX Metrics


2010AH02      Eur.Phys.J. A 44, 189 (2010)

J.Ahrens, S.Altieri, J.R.M.Annand, H.-J.Arends, R.Beck, M.A.Blackston, C.Bradtke, A.Braghieri, N.d'Hose, H.Dutz, A.Fix, E.Heid, O.Jahn, F.Klein, R.Kondratiev, M.Lang, V.Lisin, M.Martinez-Fabregate, J.C.McGeorge, W.Meyer, A.Panzeri, P.Pedroni, T.Pinelli, D.Protopopescu, G.Reicherz, Ch.Rohlof, G.Rosner, T.Rostomyan, D.Ryckbosch, M.Schwamb, G.Tamas, A.Thomas, H.R.Weller,

Helicity dependence of the γd → πNN reactions in the Δ -resonance region

NUCLEAR REACTIONS 2H(γ, πX), E=301-455 MeV; 2H(polarized γ, πX), E=307-451 MeV; measured yields, σ(θ), helicity-dependent σ(θ) with polarized beam; deduced reaction mechanism features. Comparison with other data and various models.

doi: 10.1140/epja/i2010-10946-6
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0808.


2010MI11      Eur.Phys.J. A 43, 137 (2010)

D.G.Middleton, J.R.M.Annand, C.Barbieri, C.Giusti, P.Grabmayr, T.Hehl, I.J.D.MacGregor, I.Martin, J.C.McGeorge, F.Moschini, F.D.Pacati, M.Schwamb, D.Watts

Knockout of proton-neutron pairs from 16O with electromagnetic probes

NUCLEAR REACTIONS 16O(e, e'np)14N, E=215 MeV; 16O(γ, pn)14N, E=100-800 MeV; measured reaction products; deduced σ. Comparison with Pavia model of two-nucleon knockout predictions.

doi: 10.1140/epja/i2009-10902-7
Citations: PlumX Metrics


2009MI18      Phys.Rev.Lett. 103, 152501 (2009)

D.G.Middleton, J.R.M.Annand, M.A.Antelo, C.Ayerbe, P.Barneo, D.Baumann, J.Bermuth, J.Bernauer, H.P.Blok, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.Garcia Llongo, D.I.Glazier, J.Golak, W.Glockle, P.Grabmayr, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, H.Kamada, G.J.Manas, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, K.Monstad, F.Moschini, U.Muller, A.Nogga, R.Perez-Benito, Th.Pospischil, M.Potokar, G.Rosner, M.Seimetz, R.Skibinski, H.de Vries, Th.Walcher, D.P.Watts, M.Weinriefer, M.Weiss, H.Witala, B.Zihlmann

Investigation of the Exclusive 3He(e, e'pn)1H Reaction

NUCLEAR REACTIONS 3He(e, e'np), E=220-270 MeV; measured Ee, Ie, Ep, Ip and En, In; deduced σ. Continuum Fadeev calculations.

doi: 10.1103/PhysRevLett.103.152501
Citations: PlumX Metrics


2008MC05      Eur.Phys.J. A 37, 129 (2008)

J.C.McGeorge, J.D.Kellie, J.R.M.Annand, J.Ahrens, I.Anthony, A.Clarkson, D.J.Hamilton, P.S.Lumsden, E.F.McNicoll, R.O.Owens, G.Rosner, A.Thomas

Upgrade of the Glasgow photon tagging spectrometer for Mainz MAMI-C

doi: 10.1140/epja/i2008-10606-0
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2008MI26      Few-Body Systems 44, 171 (2008)

D.G.Middleton, J.R.M.Annand, M.A.Antelo, C.Ayerbe, P.Barneo, D.Baumann, J.Bermuth, J.Bernauer, H.P.Blok, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, J.Friedrich, J.Garcia Llongo, D.I.Glazier, P.Grabmayr, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, G.J.Manas, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, K.Monstad, F.Moschini, U.Muller, R.Perez Benito, Th.Pospischil, M.Potokar, G.Rosner, M.Seimitz, H.de Vries, Th.Walcher, D.P.Watts, M.Weinriefer, M.Weiss, B.Zihlmann

3He(e, e'pp) and 3He(e, e'pn) reactions at AmPS and MAMI

NUCLEAR REACTIONS 3He(e, e'2p), (e, e'np), E not given; measured cross sections.

doi: 10.1007/s00601-008-0283-x
Citations: PlumX Metrics


2007BL20      Eur.Phys.J. A 32, 219 (2007)

F.Bloch, J.Ahrens, J.R.M.Annand, R.Beck, L.S.Fog, D.Hornidge, S.Janssen, M.Kotulla, B.Krusche, J.C.McGeorge, I.J.D.MacGregor, J.G.Messchendorp, V.Metag, R.Novotny, R.O.Owens, M.Pfeiffer, M.Rost, R.Sanderson, S.Schadmand, A.Thomas, D.P.Watts

Double pion photoproduction off 40Ca

doi: 10.1140/epja/i2006-10383-2
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2007HA13      Phys.Rev. C 75, 044311 (2007)

N.P.Harrington, D.Branford, K.Fohl, E.Roche, J.R.M.Annand, R.Beck, P.Grabmayr, T.Hehl, D.Hornidge, K.Livingston, J.C.McGeorge, I.J.D.MacGregor, I.Martin, K.Monstad, F.Moschini, A.Reiter, S.Waddell, D.P.Watts, S.Young

Experimental study of the halo nucleus 6He using the 6Li(γ, π+)6He reaction

NUCLEAR REACTIONS 6Li(γ, π+), E=170-220 MeV; measured pion spectra, σ(E, θ). Comparison with model predictions, previous results.

doi: 10.1103/PhysRevC.75.044311
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0734.


2007NI03      Phys.Rev. C 75, 014007 (2007)

B.Nilsson, J.-O.Adler, B.-E.Andersson, J.R.M.Annand, I.Akkurt, M.J.Boland, G.I.Crawford, K.G.Fissum, K.Hansen, P.D.Harty, D.G.Ireland, L.Isaksson, M.Karlsson, M.Lundin, J.C.McGeorge, G.J.Miller, H.Ruijter, A.Sandell, B.Schroder, D.A.Sims, D.Watts

Measurement of the 4He(γ, n) reaction from 23 < Eγ < 70 MeV

NUCLEAR REACTIONS 4He(γ, n), E=23-70 MeV; measured σ(θ); deduced transition coefficients, angle-integrated σ. Tagged photons.

doi: 10.1103/PhysRevC.75.014007
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0708.


2007WA12      Phys.Lett. B 647, 88 (2007)

D.P.Watts, J.R.M.Annand, R.Beck, D.Branford, D.I.Glazier, P.Grabmayr, K.Livingston, I.J.D.MacGregor, J.C.McGeorge, R.O.Owens, G.Rosner

Dependence of the 12C(γ(pol), pd)reaction on photon linear polarisation

NUCLEAR REACTIONS 12C(polarized γ, pX), E=170-350 MeV; measured particle spectra, σ(E), asymmetry. 3He(polarized γ, pd), E≈90-350 MeV; analysed asymmetry. Faddeev calculations, three-nucleon force.

doi: 10.1016/j.physletb.2007.02.013
Citations: PlumX Metrics


2006MI22      Eur.Phys.J. A 29, 261 (2006); Erratum Eur.Phys.J. A 30, 469 (2006)

D.G.Middleton, J.R.M.Annand, C.Barbieri, P.Barneo, P.Bartsch, D.Baumann, J.Bermuth, D.Bosnar, H.P.Blok, R.Bohm, M.Ding, M.O.Distler, D.Elsner, J.Friedrich, C.Giusti, D.I.Glazier, P.Grabmayr, S.Grozinger, T.Hehl, J.Heim, W.H.A.Hesselink, E.Jans, F.Klein, M.Kohl, L.Lapikas, I.J.D.MacGregor, I.Martin, J.C.McGeorge, H.Merkel, P.Merle, F.Moschini, U.Muller, Th.Pospischil, G.Rosner, H.Schmieden, M.Seimetz, A.Sule, H.de Vries, Th.Walcher, D.P.Watts, M.Weis, B.Zihlmann

First measurements of the 16O(e, e'pn)14N reaction

NUCLEAR REACTIONS 2H, 16O(e, e'np), E=855 MeV; measured particle spectra. 14N deduced excited states.

doi: 10.1140/epja/i2005-10314-9
Citations: PlumX Metrics


2006RE10      Nucl.Instrum.Methods Phys.Res. A565, 753 (2006)

A.Reiter, J.-O.Adler, I.Akkurt, J.R.M.Annand, F.Fasolo, K.Fissum, K.Hansen, L.Isaksson, M.Karlsson, M.Lundin, J.C.McGeorge, B.Nilsson, G.Rosner, B.Schroder, A.Zanini

Measurement and simulation of the neutron response of the Nordball liquid scintillator array

RADIOACTIVITY 252Cf(SF); measured neutron spectra.

NUCLEAR REACTIONS 2H(γ, n), E=14-18 MeV; measured σ(θ).

doi: 10.1016/j.nima.2006.06.048
Citations: PlumX Metrics


2006RE16      Eur.Phys.J. A 30, 461 (2006)

A.Reiter, P.S.Lumsden, J.Ahrens, J.R.M.Annand, R.Beck, J.C.McGeorge, R.O.Owens

A microscope for the Glasgow photon tagging spectrometer in Mainz

doi: 10.1140/epja/i2006-10130-9
Citations: PlumX Metrics


2005AH01      Eur.Phys.J. A 23, 113 (2005)

J.Ahrens, V.M.Alexeev, J.R.M.Annand, H.J.Arends, R.Beck, G.Caselotti, S.N.Cherepnya, D.Drechsel, L.V.Filkov, K.Fohl, I.Giller, P.Grabmayr, T.Hehl, D.Hornidge, V.L.Kashevarov, M.Kotulla, D.Krambrich, B.Krusche, M.Lang, J.C.McGeorge, I.J.D.MacGregor, V.Metag, M.Moinester, R.Novotny, M.Pfeiffer, M.Rost, S.Schadmand, S.Scherer, A.Thomas, C.Unkmeir, Th.Walcher

Measurement of the π+-meson polarizabilities via the γp → γπ+n reaction

NUCLEAR REACTIONS 1H(γ, π+γ), E=537-817 MeV; measured Eγ, En, (pion)nγ-coin, σ(θ); deduced pion polarizabilities. Tagged photon beam, comparison with model predictions.

doi: 10.1140/epja/i2004-10056-2
Citations: PlumX Metrics


2005AH07      Eur.Phys.J. A 26, 135 (2005)

J.Ahrens, S.Altieri, J.R.M.Annand, H.-J.Arends, R.Beck, A.Braghieri, N.d'Hose, H.Dutz, S.Goertz, P.Grabmayr, S.Hasegawa, E.Heid, H.Holvoet, L.Van Hoorebeke, N.Horikawa, T.Iwata, O.Jahn, P.Jennewein, R.Kondratiev, J.Krimmer, M.Lang, B.Lannoy, K.Livingston, J.C.McGeorge, W.Meyer, A.Panzeri, P.Pedroni, T.Pinelli, I.Preobrajenski, G.Reicherz, G.Rosner, M.Rost, T.Rostomyan, D.Ryckbosch, M.Schumacher, B.Seitz, G.Tamas, A.Thomas, R.van de Vyver, Th.Walcher, F.Zapadtka

Measurement of the G asymmetry for the γp → Nπ channels in the Δ(1232) resonance region

NUCLEAR REACTIONS 1H(polarized γ, π0), (polarized γ, π+), e ≈ 340 MeV; measured σ(θ), G asymmetries, related polarization observables. Polarized target.

doi: 10.1140/epja/i2005-10158-3
Citations: PlumX Metrics


2005GL03      Eur.Phys.J. A 24, 101 (2005)

D.I.Glazier, M.Seimetz, J.R.M.Annand, H.Arenhovel, M.A.Antelo, C.Ayerbe, P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, D.Bosnar, M.Ding, M.O.Distler, D.Elsner, J.Friedrich, S.Hedicke, P.Jennewein, G.J.Manas, F.H.Klein, F.Klein, M.Kohl, K.W.Krygier, K.Livingston, I.J.D.MacGregor, M.Makek, H.Merkel, P.Merle, D.Middleton, U.Muller, R.Neuhausen, L.Nungesser, M.Ostrick, R.Perez Benito, J.Pochodzalla, Th.Pospischil, M.Potokar, A.Reiter, G.Rosner, J.Sanner, H.Schmieden, A.Sule, Th.Walcher, D.P.Watts, M.Weis, and the A1 Collaboration

Measurement of the electric form factor of the neutron at Q2 = 0.3-0.8 (GeV/c)2

NUCLEAR REACTIONS 2H(polarized e, e'n), E=660, 855, 883 MeV; measured asymmetry, polarization transfer. 1n deduced electric form factor.

doi: 10.1140/epja/i2004-10115-8
Citations: PlumX Metrics


2005NI20      Phys.Lett. B 626, 65 (2005)

B.Nilsson, J.-O.Adler, B.-E.Andersson, J.R.M.Annand, I.Akkurt, M.J.Boland, G.I.Crawford, K.G.Fissum, K.Hansen, P.D.Harty, D.G.Ireland, L.Isaksson, M.Karlsson, M.Lundin, J.C.McGeorge, G.J.Miller, H.Ruijter, A.Sandell, B.Schroder, D.A.Sims, D.Watts

Near-threshold measurement of the 4He(γ, n) reaction

NUCLEAR REACTIONS 4He(γ, n), E=23-42 MeV; measured σ(θ); deduced angle-integrated σ. Comparison with previous data and various model calculations. Liquid target, tagged photons.

doi: 10.1016/j.physletb.2005.08.081
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0669.


2004KO01      Phys.Lett. B 578, 63 (2004)

M.Kotulla, J.Ahrens, J.R.M.Annand, R.Beck, D.Hornidge, S.Janssen, B.Krusche, J.C.McGeorge, I.J.D.MacGregor, J.G.Messchendorp, V.Metag, R.Novotny, M.Pfeiffer, R.O.Owens, M.Rost, S.Schadmand, D.P.Watts

Double π0 photoproduction off the proton at threshold

NUCLEAR REACTIONS 1H(γ, 2π0), E=300-425 MeV; measured invariant mass spectra, σ(θ), σ. Tagged photons. Comparison with model predictions.

doi: 10.1016/j.physletb.2003.10.056
Citations: PlumX Metrics


2004KO11      Eur.Phys.J. A 19, 391 (2004)

K.Kossert, M.Camen, F.Wissmann, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, G.Caselotti, P.Grabmayr, O.Jahn, P.Jennewein, M.I.Levchuk, A.I.L'vov, J.C.McGeorge, A.Natter, V.Olmos de Leon, V.A.Petrunkin, G.Rosner, M.Schumacher, B.Seitz, F.Smend, A.Thomas, W.Weihofen, F.Zapadtka

Quasi-free π0 photoproduction from the bound nucleon

NUCLEAR REACTIONS 2H(γ, π0n), (γ, π0p), E=200-400 MeV; 1H(γ, π0), E=200-400 MeV; measured σ(E, θ). 1n(γ, π0), E=300 MeV; deduced quasifree σ(θ).

doi: 10.1140/epja/i2003-10130-3
Citations: PlumX Metrics


2004KR16      Eur.Phys.J. A 22, 277 (2004)

B.Krusche, J.Lehr, J.Ahrens, J.R.M.Annand, R.Beck, F.Bloch, L.S.Fog, D.Hornidge, S.Janssen, M.Kotulla, J.C.McGeorge, I.J.D.MacGregor, J.Messchendorp, V.Metag, U.Mosel, R.Novotny, R.O.Owens, M.Pfeiffer, R.Sanderson, S.Schadmand, D.P.Watts

Photoproduction of π0-mesons from nuclei

NUCLEAR REACTIONS 12C, 40Ca, 93Nb, 208Pb(γ, π0X), E=200-800 MeV; measured missing-energy and missing-mass spectra, σ, σ(E, θ); deduced in-medium effects. Tagged photons, comparison with model predictions, previous results.

doi: 10.1140/epja/i2004-10033-9
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2004PF01      Phys.Rev.Lett. 92, 252001 (2004); Comment Phys.Rev.Lett. 94, 049101 (2005)

M.Pfeiffer, J.Ahrens, J.R.M.Annand, R.Beck, G.Caselotti, S.Cherepnya, K.Fohl, L.S.Fog, D.Hornidge, S.Janssen, V.Kashevarov, R.Kondratiev, M.Kotulla, B.Krusche, J.C.McGeorge, I.J.D.MacGregor, K.Mengel, J.G.Messchendorp, V.Metag, R.Novotny, M.Rost, S.Sack, R.Sanderson, S.Schadmand, A.Thomas, D.P.Watts

Photoproduction of η-Mesic 3He

NUCLEAR REACTIONS 3He(γ, X), E=600-820 MeV; measured η-meson production σ, σ(θ); deduced resonance structure. 3He deduced quasibound η-mesic state energy, width.

doi: 10.1103/PhysRevLett.92.252001
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2003AH01      Phys.Lett. 551B, 49 (2003)

J.Ahrens, S.Altieri, J.R.M.Annand, G.Anton, H.-J.Arends, K.Aulenbacher, R.Beck, C.Bradtke, A.Braghieri, N.Degrande, N.d'Hose, H.Dutz, S.Goertz, P.Grabmayr, K.Hansen, J.Harmsen, D.von Harrach, S.Hasegawa, T.Hasegawa, E.Heid, K.Helbing, H.Holvoet, L.Van Hoorebeke, N.Horikawa, T.Iwata, O.Jahn, P.Jennewein, T.Kageya, B.Kiel, F.Klein, R.Kondratiev, K.Kossert, J.Krimmer, M.Lang, B.Lannoy, R.Leukel, V.Lisin, T.Matsuda, J.C.McGeorge, A.Meier, D.Menze, W.Meyer, T.Michel, J.Naumann, A.Panzeri, P.Pedroni, T.Pinelli, I.Preobrajenski, E.Radtke, E.Reichert, G.Reicherz, Ch.Rohlof, G.Rosner, T.Rostomyan, C.Rovelli, D.Ryckbosch, M.Sauer, B.Schoch, M.Schumacher, B.Seitz, T.Speckner, N.Takabayashi, G.Tamas, A.Thomas, R.van de Vyver, A.Wakai, W.Weihofen, F.Wissmann, F.Zapadtka, G.Zeitler, and the GDH and A2 Collaborations

Helicity dependence of the γ(pol)p(pol) → nπ+π0 reaction in the second resonance region

NUCLEAR REACTIONS 1H(polarized γ, π+π0), E=400-800 MeV; measured σ, helicity dependence; deduced resonance features. Polarized target.

doi: 10.1016/S0370-2693(02)03008-3
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2003KO08      Eur.Phys.J. A 16, 259 (2003)

K.Kossert, M.Camen, F.Wissmann, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, G.Caselotti, P.Grabmayr, O.Jahn, P.Jennewein, M.I.Levchuk, A.I.L'vov, J.C.McGeorge, A.Natter, V.Olmos de Leon, V.A.Petrun'kin, G.Rosner, M.Schumacher, B.Seitz, F.Smend, A.Thomas, W.Weihofen, F.Zapadtka

Quasi-free Compton scattering and the polarizabilities of the neutron

NUCLEAR REACTIONS 1H(γ, γ'), E=200-400 MeV; 2H(γ, γ'n), (γ, γ'p), E=200-400 MeV; measured Eγ, Ep, En, σ(E, θ). 1n(γ, γ'), E=200-400 MeV; deduced σ(E, θ). 1n deduced polarizabilities. Tagged photons.

doi: 10.1140/epja/i2002-10093-9
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2003ST13      Phys.Rev.Lett. 91, 052301 (2003)

S.Strauch, S.Dieterich, K.A.Aniol, J.R.M.Annand, O.K.Baker, W.Bertozzi, M.Boswell, E.J.Brash, Z.Chai, J.-P.Chen, M.E.Christy, E.Chudakov, A.Cochran, R.De Leo, R.Ent, M.B.Epstein, J.M.Finn, K.G.Fissum, T.A.Forest, S.Frullani, F.Garibaldi, A.Gasparian, O.Gayou, S.Gilad, R.Gilman, C.Glashausser, J.Gomez, V.Gorbenko, P.L.J.Gueye, J.O.Hansen, D.W.Higinbotham, B.Hu, C.E.Hyde-Wright, D.G.Ireland, C.Jackson, C.W.de Jager, X.Jiang, C.Jones, M.K.Jones, J.D.Kellie, J.J.Kelly, C.E.Keppel, G.Kumbartzki, M.Kuss, J.J.LeRose, K.Livingston, N.Liyanage, S.Malov, D.J.Margaziotis, D.Meekins, R.Michaels, J.H.Mitchell, S.K.Nanda, J.Nappa, C.F.Perdrisat, V.A.Punjabi, R.D.Ransome, R.Roche, G.Rosner, M.Rvachev, F.Sabatie, A.Saha, A.Sarty, J.M.Udias, P.E.Ulmer, G.M.Urciuoli, J.F.J.van den Brand, J.R.Vignote, D.P.Watts, L.B.Weinstein, K.Wijesooriya, B.Wojtsekhowski

Polarization Transfer in the 4He(e(pol), e'p(pol))3H Reaction up to Q2=2.6 (GeV/c)2

NUCLEAR REACTIONS 4He(polarized e, e'p), E=3400, 4237, 4239 MeV; measured polarization transfer; deduced medium modification effects. Comparison with model predictions.

doi: 10.1103/PhysRevLett.91.052301
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2003WA01      Phys.Lett. B 553, 25 (2003)

D.P.Watts, J.Ahrens, J.R.M.Annand, R.Beck, D.Branford, P.Grabmayr, T.Hehl, J.D.Kellie, I.J.D.MacGregor, J.C.McGeorge, R.O.Owens

Three-nucleon mechanisms in photoreactions

NUCLEAR REACTIONS 12C(γ, 2np), E=150-800 MeV; measured Ep, missing energy distributions; deduced possible three-nucleon mechanism, other reaction mechanism features. Tagged photons. Comparison with microscopic many-body model predictions.

doi: 10.1016/S0370-2693(02)03186-6
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2002AK02      J.Phys.(London) G28, 197 (2002)

I.Akkurt, J.R.M.Annand

De-Excitation γ-Ray Technique for High-Resolution Photoneutron Measurements

NUCLEAR REACTIONS 16O(γ, nγ), E=50-70 MeV bremsstrahlung; measured Eγ, En, (neutron)γ-coin.

doi: 10.1088/0954-3899/28/2/301
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2002AK05      Chin.J.Phys.(Taiwan) 40, 277 (2002)

I.Akkurt, J.R.M.Annand

The (γ, N) Reaction Mechanism at Intermediate Energies

NUCLEAR REACTIONS 16O(γ, n), E=50-70 MeV; measured σ(θ); deduced reaction mechanism features. Tagged photons, comparison with related data and model predictions.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0684.


2002AK09      Czech.J.Phys. 52, 1049 (2002)

I.Akkurt, J.R.M.Annand

Neutron photoproduction measurements using the TOF method

NUCLEAR REACTIONS 184W(γ, n), E=13-18 MeV; 4He, 6Li, 16O(γ, n), (γ, p), E not given; analyzed neutron spectra, excitation energy spectra. Tagged photons.

doi: 10.1023/A:1020585516308
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2002BR38      Phys.Rev. C66, 015208 (2002)

D.Branford, J.F.Arneil, J.A.MacKenzie, K.Fohl, J.Ahrens, J.R.M.Annand, R.Beck, S.Franczuk, P.Grabmayr, S.J.Hall, P.D.Harty, T.Hehl, J.D.Kellie, M.Liang, I.J.D.MacGregor, J.C.McGeorge, A.Natter, S.Oberkirsch, R.O.Owens, C.J.Y.Powrie, D.P.Watts, S.Wunderlich

Investigation of Δ-Medium Effects using the 4He(γ, π+n)3H and 4He(γ, π+p)nnn Reactions

NUCLEAR REACTIONS 4He(γ, π+n), (γ, π+p), E=250-400 MeV; measured missing energy, σ(E, θ) with polarized and unpolarized beams; 12C(γ, π+n), E=260-380 MeV; analyzed data; deduced Δ-medium effects. Tagged photons, comparisons with model predictions.

doi: 10.1103/PhysRevC.66.015208
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2002HE08      Eur.Phys.J. A 13, 493 (2002)

V.Hejny, J.Weiss, P.Achenbach, J.Ahrens, J.R.M.Annand, R.Beck, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, I.J.D.MacGregor, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, A.Schmidt, M.Schumacher, U.Siodlaczek, H.Stroher, F.Wissmann, M.Wolf

Threshold Enhancement in η Photoproduction from 2H and 4He

NUCLEAR REACTIONS 2H, 4He(γ, X), E ≈ 590-680 MeV; measured η meson production σ, σ(θ), momentum distributions; deduced enhancement relative to model prediction. Tagged photons.

doi: 10.1007/s10050-002-8779-0
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2002KO21      Phys.Rev.Lett. 88, 162301 (2002)

K.Kossert, M.Camen, F.Wissmann, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, G.Caselotti, P.Grabmayr, O.Jahn, P.Jennewein, M.I.Levchuk, A.I.Lvov, J.C.McGeorge, A.Natter, V.Olmos de Leon, V.A.Petrunkin, G.Rosner, M.Schumacher, B.Seitz, F.Smend, A.Thomas, W.Weihofen, F.Zapadtka

Neutron Polarizabilities Investigated by Quasifree Compton Scattering from the Deuteron

NUCLEAR REACTIONS 2H(γ, n), E=200-400 MeV; measured Eγ, nγ-coin. 1n deduced polarizabilities.

doi: 10.1103/PhysRevLett.88.162301
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2002KO59      Phys.Rev.Lett. 89, 272001 (2002)

M.Kotulla, J.Ahrens, J.R.M.Annand, R.Beck, G.Caselotti, L.S.Fog, D.Hornidge, S.Janssen, B.Krusche, J.C.McGeorge, I.J.D.McGregor, K.Mengel, J.G.Messchendorp, V.Metag, R.Novotny, M.Pfeiffer, M.Rost, S.Sack, R.Sanderson, S.Schadmand, D.P.Watts

The Reaction γp → π0γ'p and the Magnetic Dipole Moment of the Δ+(1232) Resonance

NUCLEAR REACTIONS 1H(γ, γ'π0), E(cm)=1221-1331 MeV; measured missing mass, σ(E, θ); deduced Δ resonance dipole moment.

doi: 10.1103/PhysRevLett.89.272001
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2002ME22      Phys.Rev.Lett. 89, 222302 (2002)

J.G.Messchendorp, S.Janssen, M.Kotulla, J.Ahrens, J.R.H.Annand, R.Beck, F.Bloch, G.Caselotti, L.Fog, D.Hornidge, B.Krusche, W.Langgartner, J.C.McGeorge, I.J.D.MacGregor, K.Mengel, V.Metag, R.Novotny, R.O.Owens, M.Pfeiffer, S.Sack, R.Sanderson, S.Schadmand

In-Medium Modifications of the ππ Interaction in Photon-Induced Reactions

NUCLEAR REACTIONS 1H, 12C, Pb(γ, 2π0X), (γ, π0π+X), (γ, π0π-X), E=400-460 MeV; measured two-pion mass distributions, σ(E); deduced in-medium modification features. Comparison with model predictions.

doi: 10.1103/PhysRevLett.89.222302
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2001PO19      Phys.Rev. C64, 034602 (2001)

C.J.Y.Powrie, J.C.McGeorge, I.J.D.MacGregor, J.Ahrens, J.R.M.Annand, J.F.Arneil, R.Beck, D.Branford, S.Franczuk, D.I.Glazier, P.Grabmayr, S.J.Hall, T.Hehl, P.D.Harty, D.G.Ireland, J.D.Kellie, K.Livingston, F.A.Natter, S.Oberkirsch, R.O.Owens, J.Ryckebusch, M.Sauer, A.Settele, D.P.Watts

Polarized Photon Measurements of the 12C(γ(pol), pp) and 12C(γ(pol), pn) Reactions for Eγ = 160-350 MeV

NUCLEAR REACTIONS 12C(polarized γ, 2p), (polarized γ, np), E=160-350 MeV; measured parallel and perpendicular yields, photon asymmetry, σ(θ), missing energy dependence; deduced reaction mechanism features. Tagged photons. Comparison with model predictions.

doi: 10.1103/PhysRevC.64.034602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0740.


2001SI24      Eur.Phys.J. A 10, 365 (2001)

U.Siodlaczek, P.Achenbach, J.Ahrens, J.R.M.Annand, H.-J.Arends, R.Beck, R.Bilger, H.Clement, V.Hejny, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, J.C.McGeorge, V.Metag, R.Novotny, V.Olmos de Leon, F.Rambo, M.Schepkin, A.Schmidt, I.Seluzhenkov, H.Stroher, G.J.Wagner, Th.Walcher, J.Weiss, F.Wissmann, M.Wolf

Coherent and Incoherent π0 Photoproduction from the Deuteron

NUCLEAR REACTIONS 2H(γ, π0), (γ, π0n), E=140-306 MeV; measured missing energy spectra, σ(θ), σ. Tagged photons.

doi: 10.1007/s100500170120
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2001WE15      Eur.Phys.J. A 11, 371 (2001)

J.Weiss, P.Achenbach, J.Ahrens, J.R.M.Annand, R.Beck, V.Hejny, J.D.Kellie, V.Kleber, M.Kotulla, B.Krusche, V.Kuhr, R.Leukel, V.Metag, V.M.Olmos de Leon, F.Rambo, A.Schmidt, U.Siodlaczek, H.Stroher, F.Wissmann, M.Wolf

Exclusive Measurement of Coherent η-Photoproduction from the Deuteron

NUCLEAR REACTIONS 2H(γ, X), E=640-745 MeV; measured σ(θ) for η-photoproduction. Comparison with earlier data and with calculations.

doi: 10.1007/s100500170047
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2000BE05      Phys.Rev. C61, 035204 (2000)

R.Beck, H.P.Krahn, J.Ahrens, J.R.M.Annand, H.J.Arends, G.Audit, A.Braghieri, N.d'Hose, D.Drechsel, O.Hanstein, J.C.McGeorge, R.O.Owens, P.Pedroni, T.Pinelli, G.Tamas, L.Tiator, Th.Walcher

Determination of the E2/M1 Ratio in the γN → Δ(1232) Transition from a Simultaneous Measurement of p(γ(pol), p)π0 and p(γ(pol), π+)n

NUCLEAR REACTIONS 1H(polarized γ, π0), (polarized γ, π+), E=270-420 MeV; measured σ(θ), asymmetry; deduced Δ resonance associated E2/M1 ratio. Tagged photons.

doi: 10.1103/PhysRevC.61.035204
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2000BR01      Phys.Rev. C61, 014603 (2000)

D.Branford, J.A.MacKenzie, F.X.Lee, J.Ahrens, J.R.M.Annand, R.Beck, G.E.Cross, T.Davinson, P.Grabmayr, S.J.Hall, P.D.Harty, T.Hehl, D.G.Johnstone, J.D.Kellie, T.Lamparter, M.Liang, I.J.D.MacGregor, J.C.McGeorge, R.O.Owens, M.Sauer, R.Schneider, A.C.Shotter, K.Spaeth, D.P.Watts, P.J.Woods, L.E.Wright, T.T.Yau

Nuclear Pion Photoproduction in the Δ Resonance Region

NUCLEAR REACTIONS 12C(γ, π+n), E=260, 300, 340, 380 MeV; measured σ(θ1, θ2), missing energy spectra; deduced Δ resonance role. DWIA analysis. Tagged photons.

doi: 10.1103/PhysRevC.61.014603
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2000WA20      Phys.Rev. C62, 014616 (2000)

D.P.Watts, I.J.D.MacGregor, J.Ahrens, J.R.M.Annand, R.Beck, D.Branford, P.Grabmayr, S.J.Hall, P.D.Harty, T.Hehl, J.D.Kellie, T.Lamparter, M.Liang, J.A.MacKenzie, S.J.McAllister, J.C.McGeorge, R.O.Owens, M.Sauer, R.Schneider, G.J.Wagner, T.T.-H.Yau

The 12C(γ, NN) Reaction Studied Over a Wide Kinematic Range

NUCLEAR REACTIONS 12C(γ, np), (γ, 2p), E=150-700 MeV; measured missing energy, recoil momentum distributions; deduced role of short-range correlations, other reaction mechanism features. Tagged photons. Comparisons with model predictions.

doi: 10.1103/PhysRevC.62.014616
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1999BE58      Eur.Phys.J. A 6, 329 (1999)

J.Becker, H.G.Andresen, J.R.M.Annand, K.Aulenbacher, K.Beuchel, J.Blume-Werry, Th.Dombo, P.Drescher, M.Ebert, D.Eyl, A.Frey, P.Grabmayr, T.Grossmann, P.Hartmann, T.Hehl, W.Heil, C.Herberg, J.Hoffmann, J.D.Kellie, F.Klein, K.Livingston, M.Leduc, M.Meyerhoff, H.Moller, Ch.Nachtigall, A.Natter, M.Ostrick, E.W.Otten, R.O.Owens, S.Plutzer, E.Reichert, D.Rohe, M.Schafer, H.Schmieden, R.Sprengard, M.Steigerwald, K.-H.Steffens, R.Surkau, Th.Walcher, R.Watson, E.Wilms

Determination of the Neutron Electric Form Factor from the Reaction 3He(e, e'n) at Medium Momentum Transfer

NUCLEAR REACTIONS 3He(polarized e, e'n), E not given; measured σ(θ), asymmetry vs momentum transfer. 1n deduced electric form factor. Polarized target. Comparisons with previous results.

doi: 10.1007/s100500050351
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1999FR32      Phys.Lett. 450B, 332 (1999)

S.Franczuk, I.J.D.MacGregor, J.Ahrens, J.R.M.Annand, J.F.Arneil, R.Beck, D.Branford, P.Grabmayr, S.J.Hall, T.Hehl, P.D.Harty, D.G.Ireland, J.D.Kellie, K.Livingston, J.C.McGeorge, F.A.Natter, S.Oberkirsch, R.O.Owens, C.J.Y.Powrie, J.Ryckebusch, M.Sauer, A.Settele, D.P.Watts

12C(γ(pol), pn) Photon Asymmetry for Eγ = 180-340 MeV

NUCLEAR REACTIONS 12C(polarized γ, np), E=180-340 MeV; measured proton, neutron spectra, angular distributions; deduced photon asymmetry. Tagged photons. Comparison with deuterium target data.

doi: 10.1016/S0370-2693(99)00184-7
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0739.


1999HE16      Eur.Phys.J. A 5, 131 (1999)

C.Herberg, M.Ostrick, H.G.Andresen, J.R.M.Annand, K.Aulenbacher, J.Becker, P.Drescher, D.Eyl, A.Frey, P.Grabmayr, S.J.Hall, P.Hartmann, T.Hehl, W.Heil, J.Hoffmann, D.Ireland, J.D.Kellie, F.Klein, K.Livingston, Ch.Nachtigall, A.Natter, E.W.Otten, R.O.Owens, E.Reichert, D.Rohe, H.Schmieden, R.Sprengard, M.Steigerwald, K.-H.Steffens, Th.Walcher, R.Watson

Determination of the Neutron Electric Form Factor in the D(e, e'n)p Reaction and the Influence of Nuclear Binding

NUCLEAR REACTIONS 2H(e, e'n), E not given; measured recoil polarization ratio. 1n deduced electric form factor.

doi: 10.1007/s100500050268
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1999IS09      Phys.Rev.Lett. 83, 3146 (1999)

L.Isaksson, J.-O.Adler, B.-E.Andersson, K.I.Blomqvist, A.Sandell, B.Schroder, P.Grabmayr, S.Klein, G.Mauser, J.R.M.Annand, G.I.Crawford, V.Holliday, J.C.McGeorge, G.J.Miller

pn-Pair Coupling in the (γ, pn) Reaction at 72 MeV

NUCLEAR REACTIONS 16O(γ, np), E ≈ 72 MeV; measured σ(E, θ(p), θ(n)); deduced pair states contributions. Tagged photon beam.

doi: 10.1103/PhysRevLett.83.3146
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1999MC06      Phys.Rev. C60, 044610 (1999)

S.J.McAllister, J.C.McGeorge, I.J.D.MacGregor, J.R.M.Annand, S.J.Hall, P.D.Harty, J.D.Kellie, G.J.Miller, R.O.Owens, D.P.Watts, T.T.-H.Yau, D.Branford, J.A.MacKenzie, M.Liang, P.Grabmayr, T.Hehl, T.Lamparter, M.Sauer, R.Schneider, J.Ahrens, R.Beck

The (γ, pd) Reaction in 12C

NUCLEAR REACTIONS 12C(γ, pd), E=150-400 MeV; measured particle spectra, σ(θ), recoil momentum distributions; deduced reaction mechanism features. Tagged photon beam.

doi: 10.1103/PhysRevC.60.044610
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1999OS01      Phys.Rev.Lett. 83, 276 (1999)

M.Ostrick, C.Herberg, H.G.Andresen, J.R.M.Annand, K.Aulenbacher, J.Becker, P.Drescher, D.Eyl, A.Frey, P.Grabmayr, P.Hartmann, T.Hehl, W.Heil, J.Hoffmann, D.Ireland, J.D.Kellie, F.Klein, K.Livingston, Ch.Nachtigall, A.Natter, E.W.Otten, R.O.Owens, E.Reichert, D.Rohe, H.Schmieden, R.Sprengard, M.Steigerwald, K.-H.Steffens, Th.Walcher, R.Watson

Measurement of the Neutron Electric Form Factor GE, n in the Quasifree 2H(e(pol), e'n(pol))p Reaction

NUCLEAR REACTIONS 2H(polarized e, e'n), E=855 MeV; measured asymmetries, other polarization observables. 1n deduced electric form factor. Neutron polarimeter.

doi: 10.1103/PhysRevLett.83.276
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1998HA01      Phys.Rev. C57, 123 (1998)

P.D.Harty, I.J.D.MacGregor, J.Ahrens, J.R.M.Annand, I.Anthony, R.Beck, D.Branford, G.E.Cross, T.Davinson, P.Grabmayr, S.J.Hall, T.Hehl, J.D.Kellie, T.Lamparter, J.A.MacKenzie, J.C.McGeorge, G.J.Miller, R.O.Owens, M.Sauer, R.Schneider, K.Spaeth

Investigation of Multiparticle Final States in 12C Photoreactions

NUCLEAR REACTIONS 12C(γ, np), (γ, 2p), (γ, 3p), (γ, pπ), (γ, 2pπ), E=250-600 MeV; measured σ vs missing energy; deduced reaction mechanism features. Tagged photons. Valencia model calculations.

doi: 10.1103/PhysRevC.57.123
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1998KU23      Phys.Rev. C58, 2167 (1998)

A.Kuzin, R.P.Rassool, M.N.Thompson, J.-O.Adler, K.Fissum, K.Hansen, L.Isaksson, M.Lundin, B.Nilsson, H.Ruijter, B.Schroder, J.R.M.Annand, G.I.Crawford, J.C.McGeorge, J.Gregel, J.Ryckebusch

High-Resolution Measurement of the 12C(γ, p)11B Reaction to Excited States for Eγ = 50-70 MeV

NUCLEAR REACTIONS 12C(γ, p), E=50-70 MeV; measured Eγ, Iγ(θ), proton spectra, pγ-coin. 11B levels deduced population strengths. RPA calculations.

doi: 10.1103/PhysRevC.58.2167
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0545.


1998MA02      Phys.Rev.Lett. 80, 245 (1998)

I.J.D.MacGregor, T.T-H.Yau, J.Ahrens, J.R.M.Annand, R.Beck, D.Branford, P.Grabmayr, S.J.Hall, P.D.Harty, T.Hehl, J.D.Kellie, T.Lamparter, M.Liang, J.A.MacKenzie, S.McAllister, J.C.McGeorge, R.O.Owens, J.Ryckebusch, M.Sauer, R.Schneider, D.P.Watts

Mechanisms in the 12C(γ, pn) and (γ, pp) Reactions

NUCLEAR REACTIONS 12C(γ, np), (γ, 2p), E=120-400 MeV; measured σ(Eγ, θ(p)); deduced Δ-resonance dependence, reaction mechanism features.

doi: 10.1103/PhysRevLett.80.245
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0873.


1998SI32      Phys.Lett. 442B, 43 (1998)

D.A.Sims, J.-O.Adler, J.R.M.Annand, G.I.Crawford, K.G.Fissum, K.Hansen, D.G.Ireland, L.Isaksson, S.McAllister, M.Lundin, J.C.McGeorge, B.Nilsson, H.Ruijter, A.Sandell, W.Sandhas, B.Schroder, S.A.Sofianos

The 4He(γ, n) Reaction: A potential testing ground for the alpha-particle wavefunction

NUCLEAR REACTIONS 4He(γ, n), E=50-71 MeV; measured σ(E, θ); deduced reaction mechanism features, sensitivity to bound state wave functions. Alt-Grassberger-Sandhas formalism. Tagged-photon facility.

doi: 10.1016/S0370-2693(98)01219-2
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1998YA05      Eur.Phys.J. A 1, 241 (1998)

T.T.-H.Yau, I.J.D.MacGregor, J.Ahrens, J.R.M.Annand, R.Beck, D.Branford, P.Grabmayr, S.J.Hall, P.D.Harty, T.Hehl, D.G.Ireland, J.D.Kellie, T.Lamparter, K.Livingston, M.Liang, J.A.MacKenzie, S.McAllister, J.C.McGeorge, R.O.Owens, M.Sauer, R.Schneider, D.P.Watts

The Angular Distribution of the 12C(γ, pn) Reaction for E(γ) = 120 - 150 MeV

NUCLEAR REACTIONS 12C(γ, np), E=120-150 MeV; measured σ(θ(n), θ(p)); deduced pion-, rho-exchange roles. Comparison with other reactions.

doi: 10.1007/s100500050055
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1997AN28      Nucl.Instrum.Methods Phys.Res. A400, 344 (1997)

J.R.M.Annand, B.-E.Andersson, I.Akkurt, B.Nilsson

An NE213A TOF Spectrometer for High Resolution (γ, n) Reaction Measurements

NUCLEAR REACTIONS 16O(γ, n), E=50-70 MeV; measured γ-spectrum, nγ(t). Tof.

doi: 10.1016/S0168-9002(97)01021-8
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1997AU02      Nucl.Phys. A614, 461 (1997)

G.Audit, A.Braghieri, N.D'Hose, V.Isbert, S.Kerhoas, J.M.Laget, M.Mac Cormick, L.Y.Murphy, A.Panzeri, P.Pedroni, T.Pinelli, G.Tamas, J.Ahrens, J.R.M.Annand, R.Crawford, P.Grabmayr, S.J.Hall, J.D.Kellie

Study of Three-Nucleon Mechanisms in the Photodisintegration of 3He

NUCLEAR REACTIONS 3He(γ, 2p), E=200-800 MeV; measured σ for three-nucleon absorption mechanisms.

doi: 10.1016/S0375-9474(96)00441-1
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1997LI30      Phys.Lett. 411B, 244 (1997)

M.Liang, D.Branford, T.Davinson, D.Johnstone, J.A.MacKenzie, A.C.Shotter, J.R.M.Annand, S.J.Hall, P.D.Harty, J.D.Kellie, I.J.D.MacGregor, J.C.McGeorge, G.J.Miller, R.O.Owens, T.Yau, P.Grabmayr, T.Hehl, J.Leypoldt, T.Lamparter, A.Mondry, M.Sauer, R.Schneider, K.Spaeth, J.Ahrens, R.Beck

12C(γ, π+n) and 12C(γ, π+p) Reaction Across the Δ Resonance Region

NUCLEAR REACTIONS 12C(γ, nπ+), (γ, pπ+), E=150-790 MeV bremsstrahlung; measured σ(θ, Eγ, Eπ); deduced final state interactions. Valencia model.

doi: 10.1016/S0370-2693(97)01005-8
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1997SI04      Phys.Rev. C55, 1288 (1997)

D.A.Sims, G.J.O'Keefe, R.P.Rassool, A.Kuzin, M.N.Thompson, J.-O.Adler, B.-E.Andersson, K.G.Fissum, K.Hansen, L.Isaksson, B.Nilsson, H.Ruijter, A.Sandell, B.Schroder, J.R.M.Annand, G.I.Crawford, P.D.Harty, J.C.McGeorge, G.J.Miller

(γ, n) Study of the Isovector Quadrupole Resonance in 40Ca

NUCLEAR REACTIONS 40Ca(γ, n), E=27-50 MeV; measured σ(E, θ), forward to backward asymmetry. 40Ca deduced isovector quadrupole resonance parameters. Semiclassical, direct-semidirect analyses.

doi: 10.1103/PhysRevC.55.1288
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1996CR05      Nucl.Phys. A603, 303 (1996)

R.Crawford, J.Ahrens, S.Altieri, J.R.M.Annand, I.Anthony, G.Audit, R.Beck, A.Braghieri, N.D'Hose, S.Hall, V.Isbert, J.D.Kellie, S.Kerhoas, M.Mac Cormick, J.C.MacGeorge, R.Medaglia, G.J.Miller, L.Y.Murphy, R.O.Owens, P.Pedroni, T.Pinelli, G.Tamas, P.A.Wallace

Two-Body Photodisintegration of the Deuteron from 100 to 800 MeV

NUCLEAR REACTIONS 2H(γ, p), E=200-800 MeV; measured σ(θ), σ. Model comparison.

doi: 10.1016/0375-9474(96)80004-B
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1996GR05      Phys.Lett. 370B, 17 (1996)

P.Grabmayr, J.Ahrens, J.R.M.Annand, I.Anthony, D.Branford, G.E.Cross, T.Davinson, S.J.Hall, P.D.Harty, T.Hehl, J.D.Kellie, T.Lamparter, I.J.D.MacGregor, J.A.MacKenzie, J.M.McGeorge, G.J.Miller, R.O.Owens, M.Sauer, R.Schneider, K.Spaeth, G.J.Wagner

Excitation Functions for the Two-Nucleon Photoaborption in 6Li

NUCLEAR REACTIONS 6Li(γ, np), (γ, 2p), E=114-600 MeV; measured σ(θ(12)) vs Eγ, missing energy spectra; deduced various photon absorption mechanisms relative importance. Quasideuteron model role in (γ, np).

doi: 10.1016/0370-2693(95)01581-7
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1996HA17      Phys.Lett. 380B, 247 (1996)

P.D.Harty, I.J.D.MacGregor, P.Grabmayr, J.Ahrens, J.R.M.Annand, I.Anthony, R.Beck, D.Branford, G.E.Cross, T.Davinson, S.J.Hall, T.Hehl, J.D.Kellie, T.Lamparter, J.A.MacKenzie, J.C.McGeorge, G.J.Miller, R.O.Owens, M.Sauer, R.Schneider, K.Spaeth

The Contribution of 2N Photon Absorption in 12C(γ, 2N) Reactions for E(γ) = 150-400 MeV

NUCLEAR REACTIONS 12C(γ, np), (γ, 2p), E=150-400 MeV; measured yield vs missing energy, recoil momentum spectra; deduced photon absorption mechanism.

doi: 10.1016/0370-2693(96)00508-4
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1996KU36      Aust.J.Phys. 49, 1075 (1996)

A.Kuzin, R.Rassool, M.N.Thompson, J.-O.Alder, K.Fissum, K.Hansen, L.Isaksson, D.Nilsson, H.Ruijter, B.Schroder, J.R.M.Annand, G.I.Crawford, J.C.McGeorge, J.Gregel

De-Excitation Gamma-Ray Technique for Improved Resolution in Intermediate Energy Photonuclear Reactions

NUCLEAR REACTIONS 12C(γ, p), E=50-70 MeV; measured Eγ, Iγ, proton spectra, pγ-coin. 11B deduced levels. Tagged photons.

doi: 10.1071/PH961075
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1996LA15      Z.Phys. A355, 1 (1996)

Th.Lamparter, J.Ahrens, J.R.M.Annand, I.Anthony, R.Beck, D.Branford, G.E.Cross, T.Davinson, P.Grabmayr, S.J.Hall, P.D.Harty, T.Hehl, J.D.Kellie, I.J.D.MacGregor, J.A.MacKenzie, J.C.McGeorge, G.J.Miller, R.O.Owens, M.Sauer, R.Schneider, K.Spaeth, G.J.Wagner

On Photonuclear Reaction Mechanisms at Intermediate Energies

NUCLEAR REACTIONS 12C(γ, np), (γ, 2p), E=114-600 MeV; measured missing energy spectra. Valencia model, Monte Carlo simulations.

doi: 10.1007/s002180050069
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1996MA01      Phys.Rev. C53, 41 (1996)

M.Mac Cormick, G.Audit, N.d'Hose, L.Ghedira, V.Isbert, S.Kerhoas, L.Y.Murphy, G.Tamas, P.A.Wallace, S.Altieri, A.Braghieri, P.Pedroni, T.Pinelli, J.Ahrens, R.Beck, J.R.M.Annand, R.A.Crawford, J.D.Kellie, I.J.D.MacGregor, B.Dolbilkin, A.Zabrodin

Total Photoabsorption Cross Sections for 1H, 2H, and 3He from 200 to 800 MeV

NUCLEAR REACTIONS 1,2H, 3He(γ, X), E=200-800 MeV; measured total photoabsorption σ(E); deduced nucleon resonance changes vs target mass.

doi: 10.1103/PhysRevC.53.41
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1996MA20      Phys.Rev. C54, R6 (1996)

J.A.MacKenzie, D.Branford, J.Ahrens, J.R.M.Annand, R.Beck, G.E.Cross, T.Davinson, P.Grabmayr, S.J.Hall, P.D.Harty, T.Hehl, D.G.Johnstone, J.D.Kellie, T.Lamparter, M.Liang, I.J.D.MacGregor, J.C.McGeorge, R.O.Owens, M.Sauer, R.Schneider, A.C.Shotter, K.Spaeth, P.J.Woods, T.Yau

Quasifree π+ Production Studied using the 12C(γ, π+n)11B Reaction in the Δ(1232) Resonance Region

NUCLEAR REACTIONS 12C(γ, nπ+), E=280-320 MeV; measured σ(θ(π), θ(n)). Model comparison.

doi: 10.1103/PhysRevC.54.R6
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1996MA88      Nucl.Instrum.Methods Phys.Res. A382, 479 (1996)

I.J.D.MacGregor, J.R.M.Annand, D.Branford, G.E.Cross, P.Grabmayr, P.D.Harty, T.Hehl, T.Lamparter, J.A.MacKenzie, S.McAllister, J.C.McGeorge, R.O.Owens, R.Schneider, P.Terzoudi, D.P.Watts, T.T.-H.Yau

PiP - A Large Solid Angle Scintillation Telescope for Detecting Protons and Pions

doi: 10.1016/S0168-9002(96)00844-3
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1995AN11      Phys.Rev. C51, 2553 (1995)

B.-E.Andersson, J.-O.Adler, S.A.Bulychiev, L.Isaksson, H.Ruijter, B.Schroder, J.R.M.Annand, G.I.Crawford, P.D.Harty, J.C.McGeorge, G.J.Miller, J.Ryckebusch

16O(γ, n) Reaction at Intermediate Energy

NUCLEAR REACTIONS 16O(γ, n), E=58 MeV; measured σ(θ). Continuum Hartree-Fock-RPA analysis.

doi: 10.1103/PhysRevC.51.2553
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1995CR04      Nucl.Phys. A593, 463 (1995)

G.E.Cross, I.J.D.MacGregor, J.C.McGeorge, J.Ahrens, I.Anthony, J.R.M.Annand, R.Beck, D.Branford, T.Davinson, P.Grabmayr, S.J.Hall, P.D.Harty, T.Hehl, J.D.Kellie, T.Lamparter, L.Machenil, J.A.MacKenzie, G.J.Miller, R.O.Owens, J.Ryckebusch, M.Sauer, R.Schneider, K.Spaeth, M.Vanderhaeghen

Proton Photoproduction from 12C

NUCLEAR REACTIONS 12C(γ, p), E=200-500 MeV; measured σ(θ). 12C(γ, np), (γ, 2p), E=300 MeV; measured σ(θ, E(nucleon)); deduced reaction mechanism. Tagged photon beam.

doi: 10.1016/0375-9474(95)00318-U
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1995EY01      Z.Phys. A352, 211 (1995)

D.Eyl, A.Frey, H.G.Andresen, J.R.M.Annand, K.Aulenbacher, J.Becker, J.Blume-Werry, Th.Dombo, P.Drescher, H.Fischer, P.Grabmayr, S.J.Hall, P.Hartmann, T.Hehl, W.Heil, J.Hoffmann, J.D.Kellie, F.Klein, M.Meyerhoff, Ch.Nachtigall, M.Ostrick, E.W.Otten, R.O.Owens, S.Plutzer, E.Reichert, R.Rieger, H.Schmieden, R.Sprengard, K.-H.Steffens, T.Walcher

First Measurement of the Polarization Transfer on the Proton in the Reactions H(e(pol), e'p(pol)) and D(e(pol), e'p(pol))

NUCLEAR REACTIONS 2,1H(polarized e, e'p), E=885 MeV; measured transverse proton polarization transfer vs θ, asymmetry vs φ(p); deduced 1n electric form factor implications.

doi: 10.1007/BF01298910
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1995HA03      Phys.Rev. C51, 1982 (1995)

P.D.Harty, J.C.McGeorge, I.J.D.MacGregor, R.O.Owens, J.R.M.Annand, I.Anthony, G.I.Crawford, S.N.Dancer, S.J.Hall, J.D.Kellie, G.J.Miller, B.Schoch, R.Beck, H.Schmieden, J.M.Vogt, J.Ryckebusch

12C(γ, p)11B Cross Section from 80 to 157 MeV

NUCLEAR REACTIONS 12C(γ, p), E=80-157 MeV bremsstrahlung; measured σ(θ) vs E. 12C deduced momentum density distributions. Tagged beam, photon tagging spectrometer.

doi: 10.1103/PhysRevC.51.1982
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1995KR15      Phys.Lett. 358B, 40 (1995); Erratum Phys.Lett. 376B, 331 (1996)

B.Krusche, J.Ahrens, J.R.M.Annand, G.Anton, R.Beck, M.Fuchs, A.R.Gabler, F.Harter, V.Hejny, J.D.Kellie, J.C.McGeorge, V.Metag, J.Peise, M.Robig-Landau, A.Schubert, H.Stroher

Near-Threshold Photoproduction of η-Mesons from the Deuteron

NUCLEAR REACTIONS 2H(γ, X), E ≈ 627-790 MeV; measured incoherent η production σ(E), σ(θ). Participant-spectator approximation analysis.

doi: 10.1016/0370-2693(95)00985-T
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1995MC02      Phys.Rev. C51, 1967 (1995)

J.C.McGeorge, I.J.D.MacGregor, S.N.Dancer, J.R.M.Annand, I.Anthony, G.I.Crawford, S.J.Hall, P.D.Harty, J.D.Kellie, G.J.Miller, R.O.Owens, P.A.Wallace, D.Branford, A.C.Shotter, B.Schoch, R.Beck, H.Schmieden, J.M.Vogt

(γ, 2N) Reaction in 12C

NUCLEAR REACTIONS 12C(γ, np), (γ, 2p), E=80-157 MeV bremsstrahlung; measured σ vs missing energy, 2N pair momentum distributions; deduced (γ, pn) reaction mechanism. Tagged beam, photon tagging spectrometer.

doi: 10.1103/PhysRevC.51.1967
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1995MI04      Nucl.Phys. A586, 125 (1995)

G.J.Miller, J.C.McGeorge, J.R.M.Annand, G.I.Crawford, V.Holliday, I.J.D.MacGregor, R.O.Owens, J.Ryckebusch, J.-O.Adler, B.-E.Andersson, L.Isaksson, B.Schroder

The 16O(γ, p) Reaction at E(γ) = 60 and 72 MeV

NUCLEAR REACTIONS 16O(γ, p), E=60, 72 MeV; measured σ(Ep, θp). Tagged bremsstrahlung beam. Comparison with microscopic Hartree-Fock RPA calculations.

doi: 10.1016/0375-9474(94)00535-U
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1994IS05      Nucl.Phys. A578, 525 (1994)

V.Isbert, G.Audit, N.d'Hose, S.Kerhoas, M.Mac Cormick, G.Tamas, P.A.Wallace, S.Altieri, A.Braghieri, P.Pedroni, T.Pinelli, L.Y.Murphy, J.Ahrens, R.Beck, J.Peise, J.R.M.Annand, I.Anthony, R.Crawford, S.J.Hall, J.D.Kellie, G.J.Miller, and the DAPHNE Collaboration

Two-Body Photodisintegration of 3He between 200 and 800 MeV

NUCLEAR REACTIONS 3He(γ, pd), E=200-800 MeV; measured σ(θ) vs Eγ at fixed (θ(p))(cm), σ(θ).

doi: 10.1016/0375-9474(94)90759-5
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1994ME09      Phys.Lett. 327B, 201 (1994)

M.Meyerhoff, D.Eyl, A.Frey, H.G.Andresen, J.R.M.Annand, K.Aulenbacher, J.Becker, J.Blume-Werry, Th.Dombo, P.Drescher, J.R.Ducret, H.Fischer, P.Grabmayr, S.Hall, P.Hartmann, T.Hehl, W.Heil, J.Hoffmann, J.D.Kellie, F.Klein, M.Leduc, H.Moller, Ch.Nachtigall, M.Ostrick, E.W.Otten, R.O.Owens, S.Plutzer, E.Reichert, D.Rohe, M.Schafer, L.D.Schearer, H.Schmieden, K.-H.Steffens, R.Surkau, Th.Walcher

First Measurement of the Electric Formfactor of the Neutron in the Exclusive Quasielastic Scattering of Polarized Electrons from Polarized 3He

NUCLEAR REACTIONS 3He(polarized e, e'n), (polarized e, e'p), E=855 MeV; measured asymmetry. 1n deduced binding effects independent electric form factor. Polarized target.

doi: 10.1016/0370-2693(94)90718-8
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1993AN17      Phys.Rev.Lett. 71, 2703 (1993)

J.R.M.Annand, G.I.Crawford, P.D.Harty, J.C.McGeorge, G.J.Miller, B.-E.Andersson, J.-O.Adler, S.A.Bulychiev, L.Isaksson, H.Ruijter, B.Schroder

High Resolution Measurements of 12C(γ, n) and the Implications for the (γ, N) Reaction Mechanism at Intermediate Energy

NUCLEAR REACTIONS 2H, 12C(γ, n), E ≈ 58 MeV bremsstrahlung; measured σ(θ); deduced two-nucleon effects importance.

doi: 10.1103/PhysRevLett.71.2703
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1993DO08      Nucl.Phys. A559, 347 (1993)

S.M.Doran, I.J.D.MacGregor, J.R.M.Annand, I.Anthony, S.N.Dancer, S.J.Hall, J.D.Kellie, J.C.McGeorge, G.J.Miller, R.O.Owens, P.A.Wallace, B.Schoch, H.Schmieden, S.Klein

The 4He(γ, 2N) Reaction Measured with Tagged Photons

NUCLEAR REACTIONS 4He(γ, np), (γ, 2p), E=80-131 MeV; measured yield, recoil momentum; deduced σ. Natural target, tagged photons. Monte Carlo calculations.

doi: 10.1016/0375-9474(93)90158-T
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1993SC23      Phys.Lett. 314B, 284 (1993)

H.Schmieden, I.J.D.MacGregor, R.O.Owens, B.Schoch, J.R.M.Annand, R.Beck, S.M.Doran, S.J.Hall, J.D.Kellie, J.C.McGeorge, J.M.Vogt

Scaling of the 4He(γ, p)t Reaction in the E(γ) = 80-160 MeV Region

NUCLEAR REACTIONS 4He(γ, p), E=81-158; measured missing energy spectra, σ(θ); deduced photon absorption mechanism. Modified quasideuteron model. Tagged photon beam.

doi: 10.1016/0370-2693(93)91237-H
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1991MA39      Nucl.Phys. A533, 269 (1991)

I.J.D.MacGregor, J.R.M.Annand, I.Anthony, S.N.Dancer, S.M.Doran, S.J.Hall, J.D.Kellie, J.C.McGeorge, G.J.Miller, R.O.Owens, P.A.Wallace, B.Schoch, H.Schmieden, J.M.Vogt, S.Klein

The 16O(γ, 2n) Reaction Measured with Tagged Photons

NUCLEAR REACTIONS 16O(γ, np)(γ, 2p), E=80-131 MeV; measured yield versus missing energy, recoil momentum; deduced reaction mechanism, σ. Quasideuteron model, phase-space Monte Carlo calculations. Natural targets, tagged photons.

doi: 10.1016/0375-9474(91)90490-W
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1991WA25      Nucl.Phys. A532, 617 (1991)

P.A.Wallace, J.R.M.Annand, I.Anthony, G.I.Crawford, S.N.Dancer, S.M.Doran, S.J.Hall, J.D.Kellie, J.C.McGeorge, I.J.D.MacGregor, G.J.Miller, R.O.Owens, J.Vogt, B.Schoch, D.Branford

Differential Cross Section for the Reaction 2H(γ, p) from 133 to 158 MeV

NUCLEAR REACTIONS 2H(γ, p), E=133-158 MeV; measured absolute σ(E, θp) for θ(p)=30°-150°.

doi: 10.1016/0375-9474(91)90600-B
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1990AN24      Nucl.Instrum.Methods Phys.Res. A292, 129 (1990)

J.R.M.Annand, J.C.McGeorge, G.J.Miller, V.Holliday, L.Isaksson

A Large-Solid-Angle CsI(Tl) Proton Spectrometer

NUCLEAR REACTIONS 16O(γ, p), E=57-63 MeV; measured σ(Ep). Tagged photon beam, large solid angle CsI(Tl) proton spectrometer.

doi: 10.1016/0168-9002(90)91740-3
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1988DA16      Phys.Rev.Lett. 61, 1170 (1988)

S.N.Dancer, I.J.D.MacGregor, J.R.M.Annand, I.Anthony, G.I.Crawford, S.J.Hall, J.D.Kellie, J.C.McGeorge, R.O.Owens, P.A.Wallace, D.Branford, S.V.Springham, A.C.Shotter, B.Schoch, J.M.Vogt, R.Beck, G.Liesenfeld

Investigation of the 12C(γ, pn) Reaction using Tagged Photons

NUCLEAR REACTIONS 12C(γ, np), E=83-133 MeV; measured missing mass spectra; deduced reaction mechanism. Tagged photon beam.

doi: 10.1103/PhysRevLett.61.1170
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