NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = D.Watts Found 37 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
2022RA12 Nucl.Phys. A1023, 122446 (2022) A.P.D.Ramirez, E.E.Peters, J.R.Vanhoy, S.F.Hicks, L.A.Alasagas, D.K.Alcorn-Dominguez, S.T.Block, S.T.Byrd, E.A.Chouinard, B.M.Combs, B.P.Crider, E.C.Derdyn, L.Downes, J.A.Erlanson, S.E.Evans, A.J.French, E.A.Garza, J.Girgis, T.D.Harrison, S.L.Henderson, T.J.Howard, D.T.Jackson, L.J.Kersting, A.Kumar, S.H.Liu, C.J.Lueck, E.M.Lyons, P.J.McDonough, M.T.McEllistrem, T.J.Morin, S.Mukhopadhyay, T.A.Nguyen, M.Nickel, S.Nigam, R.L.Pecha, J.Potter, F.M.Prados-Estevez, B.G.Rice, T.J.Ross, Z.C.Santonil, J.Schneiderjan, L.C.Sidwell, A.J.Sigillito, J.L.Steves, B.K.Thompson, D.W.Watts, Y.Xiao, S.W.Yates Neutron elastic and inelastic scattering differential cross sections on carbon NUCLEAR REACTIONS C(n, n), (n, n'), E=0.5-8 MeV; measured reaction products, En, In, TOF; deduced σ(θ). Comparison with ENDF/B-VIII.0 library. The Univ ersity of Kentucky Accelerator Laboratory (UKAL).
doi: 10.1016/j.nuclphysa.2022.122446
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
2019BA31 Phys.Rev. C 100, 012201 (2019) M.Bashkanov, D.P.Watts, A.Pastore Electromagnetic properties of the d*(2380) hexaquark
doi: 10.1103/PhysRevC.100.012201
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
2016WA20 Nat.Phys. 12, 116 (2016) Nuclear physics: The skin of a nucleus
doi: 10.1038/nphys3654
2015VA07 Nucl.Phys. A939, 121 (2015) J.R.Vanhoy, S.F.Hicks, A.Chakraborty, B.R.Champine, B.M.Combs, B.P.Crider, L.J.Kersting, A.Kumar, C.J.Lueck, S.H.Liu, P.J.McDonough, M.T.McEllistrem, E.E.Peters, F.M.Prados-Estevez, L.C.Sidwell, A.J.Sigillito, D.W.Watts, S.W.Yates Neutron scattering differential cross sections for 23Na from 1.5 to 4.5 MeV NUCLEAR REACTIONS 23Na(n, n), (n, n'), (n, n'γ), E=1.5-4.5 MeV; measured En, In(θ), Eγ, Iγ, nγ-coin using C6D6; deduced neutron spectrum, γ transitions, σ(θ), σ, discrete γ-ray σ; calculated σ using ECIS06. Elastic, inelastic neutron σ, σ(θ) compared with ENDF/B-VII.1, JENDL-4.0 and JEFF-3.1.2; γ-ray σ compared with GELINA/IRMM data.
doi: 10.1016/j.nuclphysa.2015.03.006
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
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
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
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
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
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
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
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
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
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
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
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
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
1997WA09 Phys.Rev. C55, 1832 (1997) D.G.Watts, G.M.Huber, G.J.Lolos, B.Lasiuk, S.Kato, M.Koike, K.Maruyama, K.Niki, Y.Wada, K.Maeda, T.Suda, T.Emura, H.Miyamoto, S.Endo, Y.Sumi, O.Konno, H.Yamazaki, H.Itoh, T.Maki, A.Sasaki Single and Double Delta Production in the 3He(γ, π+π-) Reaction at 380 ≤ E(γ) ≤ 700 MeV NUCLEAR REACTIONS 3H(γ, π+π-), E=380-700 MeV; measured π+, π- particle yields; deduced contributions due to single delta, double delta production mechanisms. 3He(γ, X), E=400-900 MeV; analyzed δ-production related features.
doi: 10.1103/PhysRevC.55.1832
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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