T and F asymmetries in π0 photoproduction on the proton

J. R.M. Annand; H. J. Arends; R. Beck; N. Borisov; A. Braghieri; W. J. Briscoe; S. Cherepnya; C. Collicott; S. Costanza; E. J. Downie; M. Dieterle; A. Fix; L. V. Fil'Kov; S. Garni; D. I. Glazier; W. Gradl; G. Gurevich; P. Hall Barrientos; D. Hamilton; D. Hornidge; D. Howdle; G. M. Huber; V. L. Kashevarov; I. Keshelashvili; R. Kondratiev; M. Korolija; B. Krusche; A. Lazarev; V. Lisin; K. Livingston; I. J.D. Macgregor; J. Mancel; D. M. Manley; P. P. Martel; E. F. McNicoll; W. Meyer; D. G. Middleton; R. Miskimen; A. Mushkarenkov; A. Neganov; A. Nikolaev; M. Oberle; H. Ortega; M. Ostrick; P. Ott; P. B. Otte; B. Oussena; P. Pedroni; A. Polonski; V. V. Polyanski; S. Prakhov; G. Reicherz; T. Rostomyan; A. Sarty; S. Schumann; O. Steffen; I. I. Strakovsky; Th Strub; I. Supek; L. Tiator; M. Unverzagt; Yu A. Usov; D. P. Watts; L. Witthauer; M. Wolfes; Dominik Werthmüller

doi:10.1103/PhysRevC.93.055209

T and F asymmetries in π0 photoproduction on the proton

J. R.M. Annand, H. J. Arends, R. Beck, N. Borisov, A. Braghieri, W. J. Briscoe, S. Cherepnya, C. Collicott, S. Costanza, E. J. Downie, M. Dieterle, A. Fix, L. V. Fil'Kov, S. Garni, D. I. Glazier, W. Gradl, G. Gurevich, P. Hall Barrientos, D. Hamilton, D. HornidgeD. Howdle, G. M. Huber, V. L. Kashevarov, I. Keshelashvili, R. Kondratiev, M. Korolija, B. Krusche, A. Lazarev, V. Lisin, K. Livingston, I. J.D. Macgregor, J. Mancel, D. M. Manley, P. P. Martel, E. F. McNicoll, W. Meyer, D. G. Middleton, R. Miskimen, A. Mushkarenkov, A. Neganov, A. Nikolaev, M. Oberle, H. Ortega, M. Ostrick, P. Ott, P. B. Otte, B. Oussena, P. Pedroni, A. Polonski, V. V. Polyanski, S. Prakhov, G. Reicherz, T. Rostomyan, A. Sarty, S. Schumann, O. Steffen, I. I. Strakovsky, Th Strub, I. Supek, L. Tiator, M. Unverzagt, Yu A. Usov, D. P. Watts, L. Witthauer, M. Wolfes, Dominik Werthmüller

Physics

Research output: Contribution to journal › Article › peer-review

Abstract

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 F was 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.

Original language	English
Article number	055209
Journal	Physical Review C
Volume	93
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevC.93.055209
Publication status	Published - 31 May 2016

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10.1103/PhysRevC.93.055209

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Annand, J. R. M., Arends, H. J., Beck, R., Borisov, N., Braghieri, A., Briscoe, W. J., Cherepnya, S., Collicott, C., Costanza, S., Downie, E. J., Dieterle, M., Fix, A., Fil'Kov, L. V., Garni, S., Glazier, D. I., Gradl, W., Gurevich, G., Hall Barrientos, P., Hamilton, D., ... Werthmüller, D. (2016). T and F asymmetries in π0 photoproduction on the proton. Physical Review C, 93(5), Article 055209. https://doi.org/10.1103/PhysRevC.93.055209

@article{2d90aa70705e4761bd5315bda15c992d,

title = "T and F asymmetries in π0 photoproduction on the proton",

abstract = "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 F was 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.",

author = "Annand, {J. R.M.} and Arends, {H. J.} and R. Beck and N. Borisov and A. Braghieri and Briscoe, {W. J.} and S. Cherepnya and C. Collicott and S. Costanza and Downie, {E. J.} and M. Dieterle and A. Fix and Fil'Kov, {L. V.} and S. Garni and Glazier, {D. I.} and W. Gradl and G. Gurevich and {Hall Barrientos}, P. and D. Hamilton and D. Hornidge and D. Howdle and Huber, {G. M.} and Kashevarov, {V. L.} and I. Keshelashvili and R. Kondratiev and M. Korolija and B. Krusche and A. Lazarev and V. Lisin and K. Livingston and Macgregor, {I. J.D.} and J. Mancel and Manley, {D. M.} and Martel, {P. P.} and McNicoll, {E. F.} and W. Meyer and Middleton, {D. G.} and R. Miskimen and A. Mushkarenkov and A. Neganov and A. Nikolaev and M. Oberle and H. Ortega and M. Ostrick and P. Ott and Otte, {P. B.} and B. Oussena and P. Pedroni and A. Polonski and Polyanski, {V. V.} and S. Prakhov and G. Reicherz and T. Rostomyan and A. Sarty and S. Schumann and O. Steffen and Strakovsky, {I. I.} and Th Strub and I. Supek and L. Tiator and M. Unverzagt and Usov, {Yu A.} and Watts, {D. P.} and L. Witthauer and M. Wolfes and Dominik Werthm{\"u}ller",

year = "2016",

month = may,

day = "31",

doi = "10.1103/PhysRevC.93.055209",

language = "English",

volume = "93",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "5",

}

Annand, JRM, Arends, HJ, Beck, R, Borisov, N, Braghieri, A, Briscoe, WJ, Cherepnya, S, Collicott, C, Costanza, S, Downie, EJ, Dieterle, M, Fix, A, Fil'Kov, LV, Garni, S, Glazier, DI, Gradl, W, Gurevich, G, Hall Barrientos, P, Hamilton, D, Hornidge, D, Howdle, D, Huber, GM, Kashevarov, VL, Keshelashvili, I, Kondratiev, R, Korolija, M, Krusche, B, Lazarev, A, Lisin, V, Livingston, K, Macgregor, IJD, Mancel, J, Manley, DM, Martel, PP, McNicoll, EF, Meyer, W, Middleton, DG, Miskimen, R, Mushkarenkov, A, Neganov, A, Nikolaev, A, Oberle, M, Ortega, H, Ostrick, M, Ott, P, Otte, PB, Oussena, B, Pedroni, P, Polonski, A, Polyanski, VV, Prakhov, S, Reicherz, G, Rostomyan, T, Sarty, A, Schumann, S, Steffen, O, Strakovsky, II, Strub, T, Supek, I, Tiator, L, Unverzagt, M, Usov, YA, Watts, DP, Witthauer, L, Wolfes, M & Werthmüller, D 2016, 'T and F asymmetries in π0 photoproduction on the proton', Physical Review C, vol. 93, no. 5, 055209. https://doi.org/10.1103/PhysRevC.93.055209

TY - JOUR

T1 - T and F asymmetries in π0 photoproduction on the proton

AU - Annand, J. R.M.

AU - Arends, H. J.

AU - Beck, R.

AU - Borisov, N.

AU - Braghieri, A.

AU - Briscoe, W. J.

AU - Cherepnya, S.

AU - Collicott, C.

AU - Costanza, S.

AU - Downie, E. J.

AU - Dieterle, M.

AU - Fix, A.

AU - Fil'Kov, L. V.

AU - Garni, S.

AU - Glazier, D. I.

AU - Gradl, W.

AU - Gurevich, G.

AU - Hall Barrientos, P.

AU - Hamilton, D.

AU - Hornidge, D.

AU - Howdle, D.

AU - Huber, G. M.

AU - Kashevarov, V. L.

AU - Keshelashvili, I.

AU - Kondratiev, R.

AU - Korolija, M.

AU - Krusche, B.

AU - Lazarev, A.

AU - Lisin, V.

AU - Livingston, K.

AU - Macgregor, I. J.D.

AU - Mancel, J.

AU - Manley, D. M.

AU - Martel, P. P.

AU - McNicoll, E. F.

AU - Meyer, W.

AU - Middleton, D. G.

AU - Miskimen, R.

AU - Mushkarenkov, A.

AU - Neganov, A.

AU - Nikolaev, A.

AU - Oberle, M.

AU - Ortega, H.

AU - Ostrick, M.

AU - Ott, P.

AU - Otte, P. B.

AU - Oussena, B.

AU - Pedroni, P.

AU - Polonski, A.

AU - Polyanski, V. V.

AU - Prakhov, S.

AU - Reicherz, G.

AU - Rostomyan, T.

AU - Sarty, A.

AU - Schumann, S.

AU - Steffen, O.

AU - Strakovsky, I. I.

AU - Strub, Th

AU - Supek, I.

AU - Tiator, L.

AU - Unverzagt, M.

AU - Usov, Yu A.

AU - Watts, D. P.

AU - Witthauer, L.

AU - Wolfes, M.

AU - Werthmüller, Dominik

PY - 2016/5/31

Y1 - 2016/5/31

N2 - 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 F was 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.

AB - 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 F was 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.

UR - http://www.scopus.com/inward/record.url?scp=84971405807&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.93.055209

DO - 10.1103/PhysRevC.93.055209

M3 - Article

AN - SCOPUS:84971405807

SN - 2469-9985

VL - 93

JO - Physical Review C

JF - Physical Review C

IS - 5

M1 - 055209

ER -

T and F asymmetries in π0 photoproduction on the proton

Abstract

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