NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = I.J.MacGregor Found 63 matches. 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
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
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
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
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
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
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
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
2012AN16 Phys.Rev. C 86, 069801 (2012) M.Anghinolfi, J.Ball, N.A.Baltzell, M.Battaglieri, I.Bedlinskiy, M.Bellis, A.S.Biselli, C.Bookwalter, S.Boiarinov, P.Bosted, V.D.Burkert, D.S.Carman, A.Celentano, S.Chandavar, P.L.Cole, V.Crede, R.De Vita, E.De Sanctis, B.Dey, R.Dickson, D.Doughty, M.Dugger, R.Dupre, H.Egiyan, A.El Alaoui, L.El Fassi, L.Elouadrhiri, P.Eugenio, G.Fedotov, M.Y.Gabrielyan, M.Garcon, G.P.Gilfoyle, K.L.Giovanetti, F.X.Girod, J.T.Goetz, E.Golovatch, M.Guidal, L.Guo, K.Hafidi, H.Hakobyan, D.Heddle, K.Hicks, M.Holtrop, D.G.Ireland, B.S.Ishkhanov, E.L.Isupov, H.S.Jo, P.Khetarpal, A.Kim, W.Kim, V.Kubarovsky, S.V.Kuleshov, H.Y.Lu, I.J.D.MacGregor, N.Markov, M.E.McCracken, B.McKinnon, M.D.Mestayer, C.A.Meyer, M.Mirazita, V.Mokeev, K.Moriya, B.Morrison, A.Ni, S.Niccolai, G.Niculescu, I.Niculescu, M.Osipenko, A.I.Ostrovidov, K.Park, S.Park, S.Anefalos Pereira, S.Pisano, O.Pogorelko, S.Pozdniakov, J.W.Price, G.Ricco, M.Ripani, B.G.Ritchie, P.Rossi, D.Schott, R.A.Schumacher, E.Seder, Y.G.Sharabian, E.S.Smith, D.I.Sober, S.S.Stepanyan, P.Stoler, W.Tang, M.Ungaro, B.Vernarsky, M.F.Vineyard, D.P.Weygand, M.H.Wood, N.Zachariou, B.Zhao Comment on "Observation of a narrow structure in 1H(γ, K0s)X $via interference with φ-meson production"
doi: 10.1103/PhysRevC.86.069801
2012MA64 J.Phys.:Conf.Ser. 381, 012024 (2012) J.Mancell, I.J.D.MacGregor, for the Mainz A2 Collaboration Eta Photoproduction on the Proton NUCLEAR REACTIONS 1H(γ, η), E=700-1450 MeV; measured reaction products; deduced σ. Preliminary.
doi: 10.1088/1742-6596/381/1/012024
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
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
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
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
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
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
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
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
2006MO11 Phys.Rev. C 73, 044611 (2006) S.A.Morrow, D.Branford, K.Fohl, J.C.McGeorge, J.-O.Adler, K.Hansen, L.Isaksson, M.Lundin, I.J.D.MacGregor, B.Schroder High-resolution study of the 12C(γ, pγ')11B reaction using a HpGe detector to resolve excited states of 11B through the observation of their γ-ray decays NUCLEAR REACTIONS 12C(γ, p), E=49.5-70.2 MeV; measured Eγ, Iγ, pγ-coin, angular correlations. 11B deduced transition intensities, branching ratios, level populations.
doi: 10.1103/PhysRevC.73.044611
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
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
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
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
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
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
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
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
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
2001BO38 Phys.Rev. C64, 031601 (2001) M.J.Boland, M.A.Garbutt, R.P.Rassool, M.N.Thompson, A.J.Bennett, J.W.Jury, J.-O.Adler, B.Schroder, D.Nilsson, K.Hansen, M.Karlsson, M.Lundin, I.J.D.MacGregor Excitations in the Halo Nucleus 6He following the 7Li(γ, p)6He Reaction NUCLEAR REACTIONS 7Li(γ, p), E=50-70 MeV; measured proton spectra, σ(θ). 6He deduced resonance energy, width. Tagged photons. Comparison with cluster model predictions.
doi: 10.1103/PhysRevC.64.031601
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
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
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
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
1999IR01 Phys.Rev. C59, 3297 (1999) D.G.Ireland, I.J.D.MacGregor, J.Ryckebusch Interpretation of Two-Nucleon Photoemission Data NUCLEAR REACTIONS 12C(γ, 2p), (γ, np), E=135 MeV; calculated σ(θ), momentum spectra. Monte Carlo approach, binning effects discussed. Comparison with data.
doi: 10.1103/PhysRevC.59.3297
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
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
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
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
1997BE04 Phys.Rev.Lett. 78, 606 (1997); Erratum Phys.Rev.Lett. 79, 4515 (1997) R.Beck, H.P.Krahn, J.Ahrens, H.J.Arends, G.Audit, A.Braghieri, N.d'Hose, S.J.Hall, V.Isbert, J.D.Kellie, I.J.D.MacGregor, P.Pedroni, T.Pinelli, G.Tamas, Th.Walcher, S.Wartenberg Measurement of the E2/M1 Ratio in the N → Δ Transition using the Reaction p(γ(pol), p)π0 NUCLEAR REACTIONS 1H(polarized γ, π0), E=270-420 MeV; measured σ(θ), photon asymmetries, σ(θp); deduced E2/M1 ratio in N → δ transition.
doi: 10.1103/PhysRevLett.78.606
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
1996FU04 Phys.Lett. 368B, 20 (1996) M.Fuchs, J.Ahrens, G.Anton, R.Averbeck, R.Beck, A.M.Bernstein, A.R.Gabler, F.Harter, P.D.Harty, S.Hlavac, B.Krusche, I.J.D.MacGregor, V.Metag, R.Novotny, R.O.Owens, J.Peise, M.Robig-Landau, A.Schubert, R.S.Simon, H.Stroher, V.Tries Neutral Pion Photoproduction from the Proton Near Threshold NUCLEAR REACTIONS 1H(γ, π0), E=140-270 MeV; measured σ(θ), σ(E); deduced s-, p-wave multipoles vs E. Tagged photon beam. Low energy theorem, chiral perturbation theory analyses.
doi: 10.1016/0370-2693(95)01488-8
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
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
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
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
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
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
1996RO06 Phys.Lett. 373B, 45 (1996) M.Robig-Landau, J.Ahrens, G.Anton, R.Averbeck, R.Beck, M.Fuchs, A.R.Gabler, F.Harter, P.D.Harty, V.Hejny, B.Krusche, I.J.D.MacGregor, J.C.McGeorge, V.Metag, R.Novotny, J.Peise, A.Schubert, R.S.Simon, H.Stroher Near Threshold Photoproduction of η-mesons from Complex Nuclei NUCLEAR REACTIONS 12C, 40Ca, 93Nb, Pb(γ, X), E=790 MeV; measured total, differential σ for η production; deduced absorption by nucleon σ, length in nuclear matter.
doi: 10.1016/0370-2693(96)00125-6
1996WI10 Z.Phys. A355, 169 (1996) R.Wichmann, J.Ahrens, H.J.Arends, R.Beck, G.Galler, A.Hunger, A.Kraus, I.J.D.MacGregor, J.Peise, B.Seitz, M.Schmitz, M.Schneider, O.Selke, M.Schumacher, F.Wissmann Photoemission of Protons from 4He in the Δ-Resonance Region NUCLEAR REACTIONS 4He(γ, p), E=130-525 MeV; measured proton spectra; deduced three separate reaction channels.
doi: 10.1007/s002180050095
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
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
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
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
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
1993HA12 Phys.Rev. C47, 2185 (1993) P.D.Harty, I.J.D.MacGregor, J.C.McGeorge, S.N.Dancer, R.O.Owens Neutron Propagation in 12C for Energies 20 to 45 MeV NUCLEAR REACTIONS 12C(γ, p), (γ, np), E=80-157 MeV; measured missing energy spectra. 12C deduced neutron transmission. Tagged beam.
doi: 10.1103/PhysRevC.47.2185
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
1992MA30 J.Phys.(London) G18, 1195 (1992) I.J.D.MacGregor, A.Johnston, J.S.Ewing Study of the M1 Isovector Strength in 28Si NUCLEAR REACTIONS 28Si(e, e'), E=59-150 MeV; measured σ(E, θ). 28Si levels deduced form factors. Natural target. Shell model calculations.
doi: 10.1088/0954-3899/18/7/009
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
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
1990SO06 Nucl.Phys. A517, 473 (1990) K.C.So, K.Min, L.Y.Murphy, E.J.Winhold, M.Yamazaki, P.Yergin, R.W.Gothe, B.Schoch, C.Bennhold, L.Tiator, S.J.Hall, J.D.Kellie, I.J.D.MacGregor, R.O.Owens, D.Branford Spin-Isospin Excitation in 12C(γ, π+)12B(*) using Tagged Photons NUCLEAR REACTIONS 12C(γ, π+), E=176-182 MeV; measured σ(Eπ, θπ); deduced photopion production σ(θ). 12B deduced levels. Natural target, tagged photon beam.
doi: 10.1016/0375-9474(90)90212-5
1989GO03 Nucl.Instrum.Methods Phys.Res. A276, 233 (1989) R.W.Gothe, R.Beck, D.Irmscher, J.Goebel, B.Schoch, J.M.Vogt, K.Min, L.Y.Murphy, K.So, E.J.Winhold, M.Yamazaki, P.F.Yergin, S.J.Hall, J.D.Kellie, I.J.D.MacGregor, D.Branford Detection of Low Energy Pions at a Tagged Photon Beam NUCLEAR REACTIONS 12C(γ, π+), E ≈ 183 MeV; measured pion spectra. Tagged photon beam.
doi: 10.1016/0168-9002(89)90638-4
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
1984MA08 Nucl.Phys. A412, 1 (1984) I.J.D.Macgregor, A.Johnston, J.S.Ewing Electron Scattering Measurements of Inelastic M3 Transitions NUCLEAR REACTIONS 24Mg, 28Si(e, e'), E=82-160 MeV; measured σ(E, θ). 24Mg, 28Si levels deduced form factors. Enriched, natural targets. Shell model calculations.
doi: 10.1016/0375-9474(84)90382-8
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