Experimental study of the γp→ηp reaction with the Crystal Ball detector at the Mainz Microtron (MAMI-C)

E. F. McNicoll, S. Prakhov, I. I. Strakovsky, P. Aguar-Bartolomé, L. K. Akasoy, J. R M Annand, H. J. Arends, R. A. Arndt, Ya I. Azimov, K. Bantawa, R. Beck, V. S. Bekrenev, H. Berghäuser, A. Braghieri, D. Branford, W. J. Briscoe, J. Brudvik, S. Cherepnya, R. F B Codling, B. T. DemissieE. J. Downie, P. Drexler, L. V. Fil'Kov, A. Fix, B. Freehart, D. I. Glazier, R. Gregor, D. Hamilton, E. Heid, D. Hornidge, I. Jaegle, O. Jahn, T. C. Jude, V. L. Kashevarov, J. D. Kellie, I. Keshelashvili, R. Kondratiev, M. Korolija, M. Kotulla, A. A. Koulbardis, S. P. Kruglov, B. Krusche, V. Lisin, K. Livingston, I. J D MacGregor, Y. Maghrbi, D. M. Manley, Z. Marinides, M. Martinez, J. C. McGeorge, B. McKinnon, D. Mekterovic, V. Metag, S. Micanovic, D. Middleton, A. Mushkarenkov, B. M K Nefkens, A. Nikolaev, R. Novotny, M. Ostrick, P. B. Otte, B. Oussena, M. W. Paris, P. Pedroni, F. Pheron, A. Polonski, J. Robinson, G. Rosner, T. Rostomyan, S. Schumann, M. H. Sikora, D. I. Sober, A. Starostin, I. M. Suarez, I. Supek, M. Thiel, A. Thomas, L. Tiator, M. Unverzagt, D. P. Watts, D. Werthmüller, R. L. Workman, I. Zamboni, F. Zehr

Research School of High-Energy Physics

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108 Citations (Scopus)

Abstract

The γp→ηp reaction has been measured with the Crystal Ball and TAPS multiphoton spectrometers in the energy range from the production threshold of 707 MeV to 1.4 GeV (1.49≤W≤1.87 GeV). Bremsstrahlung photons produced by the 1.5-GeV electron beam of the Mainz Microtron MAMI-C and momentum analyzed by the Glasgow tagging spectrometer were used for the η-meson production. Our accumulation of 3.8×106 γp→ηp→3π 0p→6γp events allows a detailed study of the reaction dynamics. The γp→ηp differential cross sections were determined for 120 energy bins and the full range of the production angles. Our data show a dip near W=1680 MeV in the total cross section caused by a substantial dip in η production at forward angles. The data are compared to predictions of previous SAID and MAID partial-wave analyses and to the latest SAID and MAID fits that included our data.

Original language	English
Article number	035208
Journal	Physical Review C - Nuclear Physics
Volume	82
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.82.035208
Publication status	Published - 22 Sep 2010

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.82.035208

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McNicoll, E. F., Prakhov, S., Strakovsky, I. I., Aguar-Bartolomé, P., Akasoy, L. K., Annand, J. R. M., Arends, H. J., Arndt, R. A., Azimov, Y. I., Bantawa, K., Beck, R., Bekrenev, V. S., Berghäuser, H., Braghieri, A., Branford, D., Briscoe, W. J., Brudvik, J., Cherepnya, S., Codling, R. F. B., ... Zehr, F. (2010). Experimental study of the γp→ηp reaction with the Crystal Ball detector at the Mainz Microtron (MAMI-C). Physical Review C - Nuclear Physics, 82(3), [035208]. https://doi.org/10.1103/PhysRevC.82.035208

Experimental study of the γp→ηp reaction with the Crystal Ball detector at the Mainz Microtron (MAMI-C). / McNicoll, E. F.; Prakhov, S.; Strakovsky, I. I.; Aguar-Bartolomé, P.; Akasoy, L. K.; Annand, J. R M; Arends, H. J.; Arndt, R. A.; Azimov, Ya I.; Bantawa, K.; Beck, R.; Bekrenev, V. S.; Berghäuser, H.; Braghieri, A.; Branford, D.; Briscoe, W. J.; Brudvik, J.; Cherepnya, S.; Codling, R. F B; Demissie, B. T.; Downie, E. J.; Drexler, P.; Fil'Kov, L. V.; Fix, A.; Freehart, B.; Glazier, D. I.; Gregor, R.; Hamilton, D.; Heid, E.; Hornidge, D.; Jaegle, I.; Jahn, O.; Jude, T. C.; Kashevarov, V. L.; Kellie, J. D.; Keshelashvili, I.; Kondratiev, R.; Korolija, M.; Kotulla, M.; Koulbardis, A. A.; Kruglov, S. P.; Krusche, B.; Lisin, V.; Livingston, K.; MacGregor, I. J D; Maghrbi, Y.; Manley, D. M.; Marinides, Z.; Martinez, M.; McGeorge, J. C.; McKinnon, B.; Mekterovic, D.; Metag, V.; Micanovic, S.; Middleton, D.; Mushkarenkov, A.; Nefkens, B. M K; Nikolaev, A.; Novotny, R.; Ostrick, M.; Otte, P. B.; Oussena, B.; Paris, M. W.; Pedroni, P.; Pheron, F.; Polonski, A.; Robinson, J.; Rosner, G.; Rostomyan, T.; Schumann, S.; Sikora, M. H.; Sober, D. I.; Starostin, A.; Suarez, I. M.; Supek, I.; Thiel, M.; Thomas, A.; Tiator, L.; Unverzagt, M.; Watts, D. P.; Werthmüller, D.; Workman, R. L.; Zamboni, I.; Zehr, F.

In: Physical Review C - Nuclear Physics, Vol. 82, No. 3, 035208, 22.09.2010.

Research output: Contribution to journal › Article

McNicoll, EF, Prakhov, S, Strakovsky, II, Aguar-Bartolomé, P, Akasoy, LK, Annand, JRM, Arends, HJ, Arndt, RA, Azimov, YI, Bantawa, K, Beck, R, Bekrenev, VS, Berghäuser, H, Braghieri, A, Branford, D, Briscoe, WJ, Brudvik, J, Cherepnya, S, Codling, RFB, Demissie, BT, Downie, EJ, Drexler, P, Fil'Kov, LV, Fix, A, Freehart, B, Glazier, DI, Gregor, R, Hamilton, D, Heid, E, Hornidge, D, Jaegle, I, Jahn, O, Jude, TC, Kashevarov, VL, Kellie, JD, Keshelashvili, I, Kondratiev, R, Korolija, M, Kotulla, M, Koulbardis, AA, Kruglov, SP, Krusche, B, Lisin, V, Livingston, K, MacGregor, IJD, Maghrbi, Y, Manley, DM, Marinides, Z, Martinez, M, McGeorge, JC, McKinnon, B, Mekterovic, D, Metag, V, Micanovic, S, Middleton, D, Mushkarenkov, A, Nefkens, BMK, Nikolaev, A, Novotny, R, Ostrick, M, Otte, PB, Oussena, B, Paris, MW, Pedroni, P, Pheron, F, Polonski, A, Robinson, J, Rosner, G, Rostomyan, T, Schumann, S, Sikora, MH, Sober, DI, Starostin, A, Suarez, IM, Supek, I, Thiel, M, Thomas, A, Tiator, L, Unverzagt, M, Watts, DP, Werthmüller, D, Workman, RL, Zamboni, I & Zehr, F 2010, 'Experimental study of the γp→ηp reaction with the Crystal Ball detector at the Mainz Microtron (MAMI-C)', Physical Review C - Nuclear Physics, vol. 82, no. 3, 035208. https://doi.org/10.1103/PhysRevC.82.035208

McNicoll, E. F. ; Prakhov, S. ; Strakovsky, I. I. ; Aguar-Bartolomé, P. ; Akasoy, L. K. ; Annand, J. R M ; Arends, H. J. ; Arndt, R. A. ; Azimov, Ya I. ; Bantawa, K. ; Beck, R. ; Bekrenev, V. S. ; Berghäuser, H. ; Braghieri, A. ; Branford, D. ; Briscoe, W. J. ; Brudvik, J. ; Cherepnya, S. ; Codling, R. F B ; Demissie, B. T. ; Downie, E. J. ; Drexler, P. ; Fil'Kov, L. V. ; Fix, A. ; Freehart, B. ; Glazier, D. I. ; Gregor, R. ; Hamilton, D. ; Heid, E. ; Hornidge, D. ; Jaegle, I. ; Jahn, O. ; Jude, T. C. ; Kashevarov, V. L. ; Kellie, J. D. ; Keshelashvili, I. ; Kondratiev, R. ; Korolija, M. ; Kotulla, M. ; Koulbardis, A. A. ; Kruglov, S. P. ; Krusche, B. ; Lisin, V. ; Livingston, K. ; MacGregor, I. J D ; Maghrbi, Y. ; Manley, D. M. ; Marinides, Z. ; Martinez, M. ; McGeorge, J. C. ; McKinnon, B. ; Mekterovic, D. ; Metag, V. ; Micanovic, S. ; Middleton, D. ; Mushkarenkov, A. ; Nefkens, B. M K ; Nikolaev, A. ; Novotny, R. ; Ostrick, M. ; Otte, P. B. ; Oussena, B. ; Paris, M. W. ; Pedroni, P. ; Pheron, F. ; Polonski, A. ; Robinson, J. ; Rosner, G. ; Rostomyan, T. ; Schumann, S. ; Sikora, M. H. ; Sober, D. I. ; Starostin, A. ; Suarez, I. M. ; Supek, I. ; Thiel, M. ; Thomas, A. ; Tiator, L. ; Unverzagt, M. ; Watts, D. P. ; Werthmüller, D. ; Workman, R. L. ; Zamboni, I. ; Zehr, F. / Experimental study of the γp→ηp reaction with the Crystal Ball detector at the Mainz Microtron (MAMI-C). In: Physical Review C - Nuclear Physics. 2010 ; Vol. 82, No. 3.

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title = "Experimental study of the γp→ηp reaction with the Crystal Ball detector at the Mainz Microtron (MAMI-C)",

abstract = "The γp→ηp reaction has been measured with the Crystal Ball and TAPS multiphoton spectrometers in the energy range from the production threshold of 707 MeV to 1.4 GeV (1.49≤W≤1.87 GeV). Bremsstrahlung photons produced by the 1.5-GeV electron beam of the Mainz Microtron MAMI-C and momentum analyzed by the Glasgow tagging spectrometer were used for the η-meson production. Our accumulation of 3.8×106 γp→ηp→3π 0p→6γp events allows a detailed study of the reaction dynamics. The γp→ηp differential cross sections were determined for 120 energy bins and the full range of the production angles. Our data show a dip near W=1680 MeV in the total cross section caused by a substantial dip in η production at forward angles. The data are compared to predictions of previous SAID and MAID partial-wave analyses and to the latest SAID and MAID fits that included our data.",

author = "McNicoll, {E. F.} and S. Prakhov and Strakovsky, {I. I.} and P. Aguar-Bartolom{\'e} and Akasoy, {L. K.} and Annand, {J. R M} and Arends, {H. J.} and Arndt, {R. A.} and Azimov, {Ya I.} and K. Bantawa and R. Beck and Bekrenev, {V. S.} and H. Bergh{\"a}user and A. Braghieri and D. Branford and Briscoe, {W. J.} and J. Brudvik and S. Cherepnya and Codling, {R. F B} and Demissie, {B. T.} and Downie, {E. J.} and P. Drexler and Fil'Kov, {L. V.} and A. Fix and B. Freehart and Glazier, {D. I.} and R. Gregor and D. Hamilton and E. Heid and D. Hornidge and I. Jaegle and O. Jahn and Jude, {T. C.} and Kashevarov, {V. L.} and Kellie, {J. D.} and I. Keshelashvili and R. Kondratiev and M. Korolija and M. Kotulla and Koulbardis, {A. A.} and Kruglov, {S. P.} and B. Krusche and V. Lisin and K. Livingston and MacGregor, {I. J D} and Y. Maghrbi and Manley, {D. M.} and Z. Marinides and M. Martinez and McGeorge, {J. C.} and B. McKinnon and D. Mekterovic and V. Metag and S. Micanovic and D. Middleton and A. Mushkarenkov and Nefkens, {B. M K} and A. Nikolaev and R. Novotny and M. Ostrick and Otte, {P. B.} and B. Oussena and Paris, {M. W.} and P. Pedroni and F. Pheron and A. Polonski and J. Robinson and G. Rosner and T. Rostomyan and S. Schumann and Sikora, {M. H.} and Sober, {D. I.} and A. Starostin and Suarez, {I. M.} and I. Supek and M. Thiel and A. Thomas and L. Tiator and M. Unverzagt and Watts, {D. P.} and D. Werthm{\"u}ller and Workman, {R. L.} and I. Zamboni and F. Zehr",

year = "2010",

month = sep,

day = "22",

doi = "10.1103/PhysRevC.82.035208",

language = "English",

volume = "82",

journal = "Physical Review C",

issn = "0556-2813",

publisher = "American Physical Society",

number = "3",

}

TY - JOUR

T1 - Experimental study of the γp→ηp reaction with the Crystal Ball detector at the Mainz Microtron (MAMI-C)

AU - McNicoll, E. F.

AU - Prakhov, S.

AU - Strakovsky, I. I.

AU - Aguar-Bartolomé, P.

AU - Akasoy, L. K.

AU - Annand, J. R M

AU - Arends, H. J.

AU - Arndt, R. A.

AU - Azimov, Ya I.

AU - Bantawa, K.

AU - Beck, R.

AU - Bekrenev, V. S.

AU - Berghäuser, H.

AU - Braghieri, A.

AU - Branford, D.

AU - Briscoe, W. J.

AU - Brudvik, J.

AU - Cherepnya, S.

AU - Codling, R. F B

AU - Demissie, B. T.

AU - Downie, E. J.

AU - Drexler, P.

AU - Fil'Kov, L. V.

AU - Fix, A.

AU - Freehart, B.

AU - Glazier, D. I.

AU - Gregor, R.

AU - Hamilton, D.

AU - Heid, E.

AU - Hornidge, D.

AU - Jaegle, I.

AU - Jahn, O.

AU - Jude, T. C.

AU - Kashevarov, V. L.

AU - Kellie, J. D.

AU - Keshelashvili, I.

AU - Kondratiev, R.

AU - Korolija, M.

AU - Kotulla, M.

AU - Koulbardis, A. A.

AU - Kruglov, S. P.

AU - Krusche, B.

AU - Lisin, V.

AU - Livingston, K.

AU - MacGregor, I. J D

AU - Maghrbi, Y.

AU - Manley, D. M.

AU - Marinides, Z.

AU - Martinez, M.

AU - McGeorge, J. C.

AU - McKinnon, B.

AU - Mekterovic, D.

AU - Metag, V.

AU - Micanovic, S.

AU - Middleton, D.

AU - Mushkarenkov, A.

AU - Nefkens, B. M K

AU - Nikolaev, A.

AU - Novotny, R.

AU - Ostrick, M.

AU - Otte, P. B.

AU - Oussena, B.

AU - Paris, M. W.

AU - Pedroni, P.

AU - Pheron, F.

AU - Polonski, A.

AU - Robinson, J.

AU - Rosner, G.

AU - Rostomyan, T.

AU - Schumann, S.

AU - Sikora, M. H.

AU - Sober, D. I.

AU - Starostin, A.

AU - Suarez, I. M.

AU - Supek, I.

AU - Thiel, M.

AU - Thomas, A.

AU - Tiator, L.

AU - Unverzagt, M.

AU - Watts, D. P.

AU - Werthmüller, D.

AU - Workman, R. L.

AU - Zamboni, I.

AU - Zehr, F.

PY - 2010/9/22

Y1 - 2010/9/22

N2 - The γp→ηp reaction has been measured with the Crystal Ball and TAPS multiphoton spectrometers in the energy range from the production threshold of 707 MeV to 1.4 GeV (1.49≤W≤1.87 GeV). Bremsstrahlung photons produced by the 1.5-GeV electron beam of the Mainz Microtron MAMI-C and momentum analyzed by the Glasgow tagging spectrometer were used for the η-meson production. Our accumulation of 3.8×106 γp→ηp→3π 0p→6γp events allows a detailed study of the reaction dynamics. The γp→ηp differential cross sections were determined for 120 energy bins and the full range of the production angles. Our data show a dip near W=1680 MeV in the total cross section caused by a substantial dip in η production at forward angles. The data are compared to predictions of previous SAID and MAID partial-wave analyses and to the latest SAID and MAID fits that included our data.

AB - The γp→ηp reaction has been measured with the Crystal Ball and TAPS multiphoton spectrometers in the energy range from the production threshold of 707 MeV to 1.4 GeV (1.49≤W≤1.87 GeV). Bremsstrahlung photons produced by the 1.5-GeV electron beam of the Mainz Microtron MAMI-C and momentum analyzed by the Glasgow tagging spectrometer were used for the η-meson production. Our accumulation of 3.8×106 γp→ηp→3π 0p→6γp events allows a detailed study of the reaction dynamics. The γp→ηp differential cross sections were determined for 120 energy bins and the full range of the production angles. Our data show a dip near W=1680 MeV in the total cross section caused by a substantial dip in η production at forward angles. The data are compared to predictions of previous SAID and MAID partial-wave analyses and to the latest SAID and MAID fits that included our data.

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U2 - 10.1103/PhysRevC.82.035208

DO - 10.1103/PhysRevC.82.035208

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VL - 82

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JF - Physical Review C

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