T and F asymmetries in π0 photoproduction on the proton / J. R. M. Annand [et al.]

Уровень набора: Physical Review C - Nuclear Physics = 1970-Альтернативный автор-лицо: Annand, J. R. M.;Arends, H. J.;Beck, R.;Borisov, N.;Braghieri, A.;Briscoe, W. J.;Cherepnya, S. N., Sergey Nikolaevich;Collicott, C.;Costanza, S.;Downie, E. J.;Dieterle, M.;Fiks (Fix), A. I., mathematician, Professor of Tomsk Polytechnic University, doctor of physico-mathematical Sciences, 1968-, Alexander Ivanovich;Filkov, L. V., Lev Vasiljevich;Garni, S.;Glazier, D. I.;Gradl, W.;Gurevich, G. M., Grigory Manovich;Hall Barrientos, P.;Hamilton, D.;Hornidge, D.;Howdle, D.;Huber, G. M.;Kashevarov, V. L., Viktor Leonidovich;Keshelashvili, I.;Kondratjev, R. L., Rudolf Leonidovich;Korolija, M.;Krusche, B.;Lazarev, A. B., Aleksandr Borisovich;Lisin, V. P., Valery Pavlovich;Livingston, K.;MacGregor, I. J. D.;Mancel, J.;Manley, D. M.;Martel, P. P.;McNicoll, E. F.;Meyer, W.;Middleton, D. G.;Miskimen, R.;Mushkarenkov, A. N., Aleksandr Nikolaevich;Neganov, A. B., Aleksandr Borisovich;Nikolaev, A.;Oberle, M.;Ortega, H.;Ostrick, M.;Ott, P.;Otte, P. B.;Oussena, B.;Pedroni, P.;Polonsky, A. L., Andrey Leonidovich;Polyansky, V. V., Valery Vladimirovich;Prakhov, S. N.;Reicherz, G.;Rostomyan, T.;Sarty, A.;Schumann, S.;Steffen, O.;Strakovsky, I. I.;Strub, Th.;Supek, I.;Tiator, L.;Thomas, A.;Unverzagt, M.;Usov, Yu. A., Yury Andreevich;Watts, D. P.;Werthmuller, D.;Witthaue, L.;Wolfes, M.Коллективный автор (вторичный): Национальный исследовательский Томский политехнический университет (ТПУ), Физико-технический институт (ФТИ), Кафедра высшей математики и математической физики (ВММФ), Международная лаборатория математической физики (МЛМФ)Язык: английский.Страна: .Резюме или реферат: The γp→π0p reaction was studied at laboratory photon energies from 425 to 1445 MeV with a transversely polarized target and a longitudinally polarized beam. The beam-target asymmetry Fwas measured for the first time and new high precision data for the target asymmetry T were obtained. The experiment was performed at the photon tagging facility of the Mainz Microtron (MAMI) using the Crystal Ball and TAPS photon spectrometers. The polarized cross sections were expanded in terms of associated Legendre functions and compared to recent predictions from several partial-wave analyses. The impact of the new data on our understanding of the underlying partial-wave amplitudes and baryon resonance contributions is discussed..Тематика: труды учёных ТПУ | электронный ресурс Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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The γp→π0p reaction was studied at laboratory photon energies from 425 to 1445 MeV with a transversely polarized target and a longitudinally polarized beam. The beam-target asymmetry Fwas measured for the first time and new high precision data for the target asymmetry T were obtained. The experiment was performed at the photon tagging facility of the Mainz Microtron (MAMI) using the Crystal Ball and TAPS photon spectrometers. The polarized cross sections were expanded in terms of associated Legendre functions and compared to recent predictions from several partial-wave analyses. The impact of the new data on our understanding of the underlying partial-wave amplitudes and baryon resonance contributions is discussed.

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