π0 photoproduction on the proton for photon energies from 0.675 to 2.875 GeV

M. Dugger; B. G. Ritchie; J. P. Ball; P. Collins; E. Pasyuk; R. A. Arndt; W. J. Briscoe; I. I. Strakovsky; R. L. Workman; G. Adams; M. Amarian; P. Ambrozewicz; E. Anciant; M. Anghinolfi; B. Asavapibhop; G. Asryan; G. Audit; H. Avakian; H. Bagdasaryan; N. Baillie; N. A. Baltzell; S. Barrow; M. Battaglieri; K. Beard; I. Bedlinskiy; M. Bektasoglu; M. Bellis; N. Benmouna; B. L. Berman; N. Bianchi; A. S. Biselli; B. E. Bonner; S. Bouchigny; S. Boiarinov; R. Bradford; D. Branford; W. K. Brooks; S. Bültmann; V. D. Burkert; C. Butuceanu; J. R. Calarco; S. L. Careccia; D. S. Carman; B. Carnahan; S. Chen; P. L. Cole; A. Coleman; P. Coltharp; D. Cords; P. Corvisiero; D. Crabb; H. Crannell; J. P. Cummings; E. De Sanctis; R. De Vita; P. V. Degtyarenko; H. Denizli; L. Dennis; A. Deur; K. V. Dharmawardane; K. S. Dhuga; R. Dickson; C. Djalali; G. E. Dodge; J. Donnelly; D. Doughty; P. Dragovitsch; S. Dytman; O. P. Dzyubak; H. Egiyan; K. S. Egiyan; L. Elouadrhiri; A. Empl; P. Eugenio; R. Fatemi; G. Fedotov; G. Feldman; R. J. Feuerbach; J. Ficenec; T. A. Forest; H. Funsten; M. Garçon; G. Gavalian; G. P. Gilfoyle; K. L. Giovanetti; F. X. Girod; J. T. Goetz; R. W. Gothe; K. A. Griffioen; M. Guidal; M. Guillo; N. Guler; L. Guo; V. Gyurjyan; C. Hadjidakis; R. S. Hakobyan; J. Hardie; D. Heddle; F. W. Hersman; K. Hicks; I. Hleiqawi; M. Holtrop; J. Hu; M. Huertas; C. E. Hyde-Wright; Y. Ilieva; D. G. Ireland; B. S. Ishkhanov; M. M. Ito; D. Jenkins; H. S. Jo; K. Joo; H. G. Juengst; N. Kalantarians; J. D. Kellie; M. Khandaker; K. Y. Kim; K. Kim; W. Kim; A. Klein; F. J. Klein; A. V. Klimenko; M. Klusman; M. Kossov; Z. Krahn; L. H. Kramer; V. Kubarovsky; J. Kuhn; S. E. Kuhn; V. Kuznetsov; J. Lachniet; J. M. Laget; J. Langheinrich; D. Lawrence; T. Lee; A. C.S. Lima; K. Livingston; K. Lukashin; J. J. Manak; C. Marchand; L. C. Maximon; S. McAleer; B. McKinnon; J. W.C. McNabb; B. A. Mecking; M. D. Mestayer; C. A. Meyer; T. Mibe; K. Mikhailov; R. Minehart; M. Mirazita; R. Miskimen; V. Mokeev; K. Moriya; S. A. Morrow; V. Muccifora; J. Mueller; G. S. Mutchler; P. Nadel-Turonski; J. Napolitano; R. Nasseripour; S. Niccolai; G. Niculescu; I. Niculescu; B. B. Niczyporuk; M. Niroula; R. A. Niyazov; M. Nozar; G. V. O'Rielly; M. Osipenko; A. I. Ostrovidov; K. Park; C. Paterson; S. A. Philips; J. Pierce; N. Pivnyuk; D. Pocanic; O. Pogorelko; S. Pozdniakov; B. M. Preedom; J. W. Price; Y. Prok; D. Protopopescu; L. M. Qin; B. A. Raue; G. Riccardi; G. Ricco; M. Ripani; F. Ronchetti; G. Rosner; P. Rossi; D. Rowntree; P. D. Rubin; F. Sabatié; J. Slamanca; C. Salgado; J. P. Santoro; V. Sapunenko; R. A. Schumacher; V. S. Serov; A. Shafi; Y. G. Sharabian; J. Shaw; S. Simionatto; A. V. Skabelin; E. S. Smith; L. C. Smith; D. I. Sober; M. Spraker; A. Stavinsky; S. S. Stepanyan; S. Stepanyan; B. E. Stokes; P. Stoler; S. Strauch; M. Taiuti; S. Taylor; D. J. Tedeschi; R. Thompson; A. Tkabladze; S. Tkachenko; L. Todor; C. Tur; M. Ungaro; M. F. Vineyard; A. V. Vlassov; K. Wang; L. B. Weinstein; H. Weller; D. P. Weygand; M. Williams; E. Wolin; M. H. Wood; A. Yegneswaran; J. Yun; L. Zana; J. Zhang

doi:10.1103/PhysRevC.76.025211

π0 photoproduction on the proton for photon energies from 0.675 to 2.875 GeV

M. Dugger, B. G. Ritchie, J. P. Ball, P. Collins, E. Pasyuk, R. A. Arndt, W. J. Briscoe, I. I. Strakovsky, R. L. Workman, G. Adams, M. Amarian, P. Ambrozewicz, E. Anciant, M. Anghinolfi, B. Asavapibhop, G. Asryan, G. Audit, H. Avakian, H. Bagdasaryan, N. BaillieN. A. Baltzell, S. Barrow, M. Battaglieri, K. Beard, I. Bedlinskiy, M. Bektasoglu, M. Bellis, N. Benmouna, B. L. Berman, N. Bianchi, A. S. Biselli, B. E. Bonner, S. Bouchigny, S. Boiarinov, R. Bradford, D. Branford, W. K. Brooks, S. Bültmann, V. D. Burkert, C. Butuceanu, J. R. Calarco, S. L. Careccia, D. S. Carman, B. Carnahan, S. Chen, P. L. Cole, A. Coleman, P. Coltharp, D. Cords, P. Corvisiero, D. Crabb, H. Crannell, J. P. Cummings, E. De Sanctis, R. De Vita, P. V. Degtyarenko, H. Denizli, L. Dennis, A. Deur, K. V. Dharmawardane, K. S. Dhuga, R. Dickson, C. Djalali, G. E. Dodge, J. Donnelly, D. Doughty, P. Dragovitsch, S. Dytman, O. P. Dzyubak, H. Egiyan, K. S. Egiyan, L. Elouadrhiri, A. Empl, P. Eugenio, R. Fatemi, G. Fedotov, G. Feldman, R. J. Feuerbach, J. Ficenec, T. A. Forest, H. Funsten, M. Garçon, G. Gavalian, G. P. Gilfoyle, K. L. Giovanetti, F. X. Girod, J. T. Goetz, R. W. Gothe, K. A. Griffioen, M. Guidal, M. Guillo, N. Guler, L. Guo, V. Gyurjyan, C. Hadjidakis, R. S. Hakobyan, J. Hardie, D. Heddle, F. W. Hersman, K. Hicks, I. Hleiqawi, M. Holtrop, J. Hu, M. Huertas, C. E. Hyde-Wright, Y. Ilieva, D. G. Ireland, B. S. Ishkhanov, M. M. Ito, D. Jenkins, H. S. Jo, K. Joo, H. G. Juengst, N. Kalantarians, J. D. Kellie, M. Khandaker, K. Y. Kim, K. Kim, W. Kim, A. Klein, F. J. Klein, A. V. Klimenko, M. Klusman, M. Kossov, Z. Krahn, L. H. Kramer, V. Kubarovsky, J. Kuhn, S. E. Kuhn, V. Kuznetsov, J. Lachniet, J. M. Laget, J. Langheinrich, D. Lawrence, T. Lee, A. C.S. Lima, K. Livingston, K. Lukashin, J. J. Manak, C. Marchand, L. C. Maximon, S. McAleer, B. McKinnon, J. W.C. McNabb, B. A. Mecking, M. D. Mestayer, C. A. Meyer, T. Mibe, K. Mikhailov, R. Minehart, M. Mirazita, R. Miskimen, V. Mokeev, K. Moriya, S. A. Morrow, V. Muccifora, J. Mueller, G. S. Mutchler, P. Nadel-Turonski, J. Napolitano, R. Nasseripour, S. Niccolai, G. Niculescu, I. Niculescu, B. B. Niczyporuk, M. Niroula, R. A. Niyazov, M. Nozar, G. V. O'Rielly, M. Osipenko, A. I. Ostrovidov, K. Park, C. Paterson, S. A. Philips, J. Pierce, N. Pivnyuk, D. Pocanic, O. Pogorelko, S. Pozdniakov, B. M. Preedom, J. W. Price, Y. Prok, D. Protopopescu, L. M. Qin, B. A. Raue, G. Riccardi, G. Ricco, M. Ripani, F. Ronchetti, G. Rosner, P. Rossi, D. Rowntree, P. D. Rubin, F. Sabatié, J. Slamanca, C. Salgado, J. P. Santoro, V. Sapunenko, R. A. Schumacher, V. S. Serov, A. Shafi, Y. G. Sharabian, J. Shaw, S. Simionatto, A. V. Skabelin, E. S. Smith, L. C. Smith, D. I. Sober, M. Spraker, A. Stavinsky, S. S. Stepanyan, S. Stepanyan, B. E. Stokes, P. Stoler, S. Strauch, M. Taiuti, S. Taylor, D. J. Tedeschi, R. Thompson, A. Tkabladze, S. Tkachenko, L. Todor, C. Tur, M. Ungaro, M. F. Vineyard, A. V. Vlassov, K. Wang, L. B. Weinstein, H. Weller, D. P. Weygand, M. Williams, E. Wolin, M. H. Wood, A. Yegneswaran, J. Yun, L. Zana, J. Zhang

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

90 Scopus citations

Abstract

Differential cross sections for the reaction γp→pπ0 have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.675 to 2.875 GeV. The results reported here possess greater accuracy in the absolute normalization than previous measurements. They disagree with recent CB-ELSA measurements for the process at forward scattering angles. Agreement with the SAID and MAID fits is found below 1 GeV. The present set of cross sections has been incorporated into the SAID database, and exploratory fits have been extended to 3 GeV. Resonance couplings have been extracted and compared to previous determinations.

Original language	English
Article number	025211
Journal	Physical Review C - Nuclear Physics
Volume	76
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.76.025211
State	Published - 24 Aug 2007

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10.1103/PhysRevC.76.025211

Cite this

Dugger, M., Ritchie, B. G., Ball, J. P., Collins, P., Pasyuk, E., Arndt, R. A., Briscoe, W. J., Strakovsky, I. I., Workman, R. L., Adams, G., Amarian, M., Ambrozewicz, P., Anciant, E., Anghinolfi, M., Asavapibhop, B., Asryan, G., Audit, G., Avakian, H., Bagdasaryan, H., ... Zhang, J. (2007). π0 photoproduction on the proton for photon energies from 0.675 to 2.875 GeV. Physical Review C - Nuclear Physics, 76(2), Article 025211. https://doi.org/10.1103/PhysRevC.76.025211

@article{0c92ebd6044e4d2eafbe92d90d5f8d63,

title = "π0 photoproduction on the proton for photon energies from 0.675 to 2.875 GeV",

abstract = "Differential cross sections for the reaction γp→pπ0 have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.675 to 2.875 GeV. The results reported here possess greater accuracy in the absolute normalization than previous measurements. They disagree with recent CB-ELSA measurements for the process at forward scattering angles. Agreement with the SAID and MAID fits is found below 1 GeV. The present set of cross sections has been incorporated into the SAID database, and exploratory fits have been extended to 3 GeV. Resonance couplings have been extracted and compared to previous determinations.",

author = "M. Dugger and Ritchie, {B. G.} and Ball, {J. P.} and P. Collins and E. Pasyuk and Arndt, {R. A.} and Briscoe, {W. J.} and Strakovsky, {I. I.} and Workman, {R. L.} and G. Adams and M. Amarian and P. Ambrozewicz and E. Anciant and M. Anghinolfi and B. Asavapibhop and G. Asryan and G. Audit and H. Avakian and H. Bagdasaryan and N. Baillie and Baltzell, {N. A.} and S. Barrow and M. Battaglieri and K. Beard and I. Bedlinskiy and M. Bektasoglu and M. Bellis and N. Benmouna and Berman, {B. L.} and N. Bianchi and Biselli, {A. S.} and Bonner, {B. E.} and S. Bouchigny and S. Boiarinov and R. Bradford and D. Branford and Brooks, {W. K.} and S. B{\"u}ltmann and Burkert, {V. D.} and C. Butuceanu and Calarco, {J. R.} and Careccia, {S. L.} and Carman, {D. S.} and B. Carnahan and S. Chen and Cole, {P. L.} and A. Coleman and P. Coltharp and D. Cords and P. Corvisiero and D. Crabb and H. Crannell and Cummings, {J. P.} and {De Sanctis}, E. and {De Vita}, R. and Degtyarenko, {P. V.} and H. Denizli and L. Dennis and A. Deur and Dharmawardane, {K. V.} and Dhuga, {K. S.} and R. Dickson and C. Djalali and Dodge, {G. E.} and J. Donnelly and D. Doughty and P. Dragovitsch and S. Dytman and Dzyubak, {O. P.} and H. Egiyan and Egiyan, {K. S.} and L. Elouadrhiri and A. Empl and P. Eugenio and R. Fatemi and G. Fedotov and G. Feldman and Feuerbach, {R. J.} and J. Ficenec and Forest, {T. A.} and H. Funsten and M. Gar{\c c}on and G. Gavalian and Gilfoyle, {G. P.} and Giovanetti, {K. L.} and Girod, {F. X.} and Goetz, {J. T.} and Gothe, {R. W.} and Griffioen, {K. A.} and M. Guidal and M. Guillo and N. Guler and L. Guo and V. Gyurjyan and C. Hadjidakis and Hakobyan, {R. S.} and J. Hardie and D. Heddle and Hersman, {F. W.} and K. Hicks and I. Hleiqawi and M. Holtrop and J. Hu and M. Huertas and Hyde-Wright, {C. E.} and Y. Ilieva and Ireland, {D. G.} and Ishkhanov, {B. S.} and Ito, {M. M.} and D. Jenkins and Jo, {H. S.} and K. Joo and Juengst, {H. G.} and N. Kalantarians and Kellie, {J. D.} and M. Khandaker and Kim, {K. Y.} and K. Kim and W. Kim and A. Klein and Klein, {F. J.} and Klimenko, {A. V.} and M. Klusman and M. Kossov and Z. Krahn and Kramer, {L. H.} and V. Kubarovsky and J. Kuhn and Kuhn, {S. E.} and V. Kuznetsov and J. Lachniet and Laget, {J. M.} and J. Langheinrich and D. Lawrence and T. Lee and Lima, {A. C.S.} and K. Livingston and K. Lukashin and Manak, {J. J.} and C. Marchand and Maximon, {L. C.} and S. McAleer and B. McKinnon and McNabb, {J. W.C.} and Mecking, {B. A.} and Mestayer, {M. D.} and Meyer, {C. A.} and T. Mibe and K. Mikhailov and R. Minehart and M. Mirazita and R. Miskimen and V. Mokeev and K. Moriya and Morrow, {S. A.} and V. Muccifora and J. Mueller and Mutchler, {G. S.} and P. Nadel-Turonski and J. Napolitano and R. Nasseripour and S. Niccolai and G. Niculescu and I. Niculescu and Niczyporuk, {B. B.} and M. Niroula and Niyazov, {R. A.} and M. Nozar and O'Rielly, {G. V.} and M. Osipenko and Ostrovidov, {A. I.} and K. Park and C. Paterson and Philips, {S. A.} and J. Pierce and N. Pivnyuk and D. Pocanic and O. Pogorelko and S. Pozdniakov and Preedom, {B. M.} and Price, {J. W.} and Y. Prok and D. Protopopescu and Qin, {L. M.} and Raue, {B. A.} and G. Riccardi and G. Ricco and M. Ripani and F. Ronchetti and G. Rosner and P. Rossi and D. Rowntree and Rubin, {P. D.} and F. Sabati{\'e} and J. Slamanca and C. Salgado and Santoro, {J. P.} and V. Sapunenko and Schumacher, {R. A.} and Serov, {V. S.} and A. Shafi and Sharabian, {Y. G.} and J. Shaw and S. Simionatto and Skabelin, {A. V.} and Smith, {E. S.} and Smith, {L. C.} and Sober, {D. I.} and M. Spraker and A. Stavinsky and Stepanyan, {S. S.} and S. Stepanyan and Stokes, {B. E.} and P. Stoler and S. Strauch and M. Taiuti and S. Taylor and Tedeschi, {D. J.} and R. Thompson and A. Tkabladze and S. Tkachenko and L. Todor and C. Tur and M. Ungaro and Vineyard, {M. F.} and Vlassov, {A. V.} and K. Wang and Weinstein, {L. B.} and H. Weller and Weygand, {D. P.} and M. Williams and E. Wolin and Wood, {M. H.} and A. Yegneswaran and J. Yun and L. Zana and J. Zhang",

year = "2007",

month = aug,

day = "24",

doi = "10.1103/PhysRevC.76.025211",

language = "English",

volume = "76",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

publisher = "American Physical Society",

number = "2",

}

Dugger, M, Ritchie, BG, Ball, JP, Collins, P, Pasyuk, E, Arndt, RA, Briscoe, WJ, Strakovsky, II, Workman, RL, Adams, G, Amarian, M, Ambrozewicz, P, Anciant, E, Anghinolfi, M, Asavapibhop, B, Asryan, G, Audit, G, Avakian, H, Bagdasaryan, H, Baillie, N, Baltzell, NA, Barrow, S, Battaglieri, M, Beard, K, Bedlinskiy, I, Bektasoglu, M, Bellis, M, Benmouna, N, Berman, BL, Bianchi, N, Biselli, AS, Bonner, BE, Bouchigny, S, Boiarinov, S, Bradford, R, Branford, D, Brooks, WK, Bültmann, S, Burkert, VD, Butuceanu, C, Calarco, JR, Careccia, SL, Carman, DS, Carnahan, B, Chen, S, Cole, PL, Coleman, A, Coltharp, P, Cords, D, Corvisiero, P, Crabb, D, Crannell, H, Cummings, JP, De Sanctis, E, De Vita, R, Degtyarenko, PV, Denizli, H, Dennis, L, Deur, A, Dharmawardane, KV, Dhuga, KS, Dickson, R, Djalali, C, Dodge, GE, Donnelly, J, Doughty, D, Dragovitsch, P, Dytman, S, Dzyubak, OP, Egiyan, H, Egiyan, KS, Elouadrhiri, L, Empl, A, Eugenio, P, Fatemi, R, Fedotov, G, Feldman, G, Feuerbach, RJ, Ficenec, J, Forest, TA, Funsten, H, Garçon, M, Gavalian, G, Gilfoyle, GP, Giovanetti, KL, Girod, FX, Goetz, JT, Gothe, RW, Griffioen, KA, Guidal, M, Guillo, M, Guler, N, Guo, L, Gyurjyan, V, Hadjidakis, C, Hakobyan, RS, Hardie, J, Heddle, D, Hersman, FW, Hicks, K, Hleiqawi, I, Holtrop, M, Hu, J, Huertas, M, Hyde-Wright, CE, Ilieva, Y, Ireland, DG, Ishkhanov, BS, Ito, MM, Jenkins, D, Jo, HS, Joo, K, Juengst, HG, Kalantarians, N, Kellie, JD, Khandaker, M, Kim, KY, Kim, K, Kim, W, Klein, A, Klein, FJ, Klimenko, AV, Klusman, M, Kossov, M, Krahn, Z, Kramer, LH, Kubarovsky, V, Kuhn, J, Kuhn, SE, Kuznetsov, V, Lachniet, J, Laget, JM, Langheinrich, J, Lawrence, D, Lee, T, Lima, ACS, Livingston, K, Lukashin, K, Manak, JJ, Marchand, C, Maximon, LC, McAleer, S, McKinnon, B, McNabb, JWC, Mecking, BA, Mestayer, MD, Meyer, CA, Mibe, T, Mikhailov, K, Minehart, R, Mirazita, M, Miskimen, R, Mokeev, V, Moriya, K, Morrow, SA, Muccifora, V, Mueller, J, Mutchler, GS, Nadel-Turonski, P, Napolitano, J, Nasseripour, R, Niccolai, S, Niculescu, G, Niculescu, I, Niczyporuk, BB, Niroula, M, Niyazov, RA, Nozar, M, O'Rielly, GV, Osipenko, M, Ostrovidov, AI, Park, K, Paterson, C, Philips, SA, Pierce, J, Pivnyuk, N, Pocanic, D, Pogorelko, O, Pozdniakov, S, Preedom, BM, Price, JW, Prok, Y, Protopopescu, D, Qin, LM, Raue, BA, Riccardi, G, Ricco, G, Ripani, M, Ronchetti, F, Rosner, G, Rossi, P, Rowntree, D, Rubin, PD, Sabatié, F, Slamanca, J, Salgado, C, Santoro, JP, Sapunenko, V, Schumacher, RA, Serov, VS, Shafi, A, Sharabian, YG, Shaw, J, Simionatto, S, Skabelin, AV, Smith, ES, Smith, LC, Sober, DI, Spraker, M, Stavinsky, A, Stepanyan, SS, Stepanyan, S, Stokes, BE, Stoler, P, Strauch, S, Taiuti, M, Taylor, S, Tedeschi, DJ, Thompson, R, Tkabladze, A, Tkachenko, S, Todor, L, Tur, C, Ungaro, M, Vineyard, MF, Vlassov, AV, Wang, K, Weinstein, LB, Weller, H, Weygand, DP, Williams, M, Wolin, E, Wood, MH, Yegneswaran, A, Yun, J, Zana, L & Zhang, J 2007, 'π0 photoproduction on the proton for photon energies from 0.675 to 2.875 GeV', Physical Review C - Nuclear Physics, vol. 76, no. 2, 025211. https://doi.org/10.1103/PhysRevC.76.025211

TY - JOUR

T1 - π0 photoproduction on the proton for photon energies from 0.675 to 2.875 GeV

AU - Dugger, M.

AU - Ritchie, B. G.

AU - Ball, J. P.

AU - Collins, P.

AU - Pasyuk, E.

AU - Arndt, R. A.

AU - Briscoe, W. J.

AU - Strakovsky, I. I.

AU - Workman, R. L.

AU - Adams, G.

AU - Amarian, M.

AU - Ambrozewicz, P.

AU - Anciant, E.

AU - Anghinolfi, M.

AU - Asavapibhop, B.

AU - Asryan, G.

AU - Audit, G.

AU - Avakian, H.

AU - Bagdasaryan, H.

AU - Baillie, N.

AU - Baltzell, N. A.

AU - Barrow, S.

AU - Battaglieri, M.

AU - Beard, K.

AU - Bedlinskiy, I.

AU - Bektasoglu, M.

AU - Bellis, M.

AU - Benmouna, N.

AU - Berman, B. L.

AU - Bianchi, N.

AU - Biselli, A. S.

AU - Bonner, B. E.

AU - Bouchigny, S.

AU - Boiarinov, S.

AU - Bradford, R.

AU - Branford, D.

AU - Brooks, W. K.

AU - Bültmann, S.

AU - Burkert, V. D.

AU - Butuceanu, C.

AU - Calarco, J. R.

AU - Careccia, S. L.

AU - Carman, D. S.

AU - Carnahan, B.

AU - Chen, S.

AU - Cole, P. L.

AU - Coleman, A.

AU - Coltharp, P.

AU - Cords, D.

AU - Corvisiero, P.

AU - Crabb, D.

AU - Crannell, H.

AU - Cummings, J. P.

AU - De Sanctis, E.

AU - De Vita, R.

AU - Degtyarenko, P. V.

AU - Denizli, H.

AU - Dennis, L.

AU - Deur, A.

AU - Dharmawardane, K. V.

AU - Dhuga, K. S.

AU - Dickson, R.

AU - Djalali, C.

AU - Dodge, G. E.

AU - Donnelly, J.

AU - Doughty, D.

AU - Dragovitsch, P.

AU - Dytman, S.

AU - Dzyubak, O. P.

AU - Egiyan, H.

AU - Egiyan, K. S.

AU - Elouadrhiri, L.

AU - Empl, A.

AU - Eugenio, P.

AU - Fatemi, R.

AU - Fedotov, G.

AU - Feldman, G.

AU - Feuerbach, R. J.

AU - Ficenec, J.

AU - Forest, T. A.

AU - Funsten, H.

AU - Garçon, M.

AU - Gavalian, G.

AU - Gilfoyle, G. P.

AU - Giovanetti, K. L.

AU - Girod, F. X.

AU - Goetz, J. T.

AU - Gothe, R. W.

AU - Griffioen, K. A.

AU - Guidal, M.

AU - Guillo, M.

AU - Guler, N.

AU - Guo, L.

AU - Gyurjyan, V.

AU - Hadjidakis, C.

AU - Hakobyan, R. S.

AU - Hardie, J.

AU - Heddle, D.

AU - Hersman, F. W.

AU - Hicks, K.

AU - Hleiqawi, I.

AU - Holtrop, M.

AU - Hu, J.

AU - Huertas, M.

AU - Hyde-Wright, C. E.

AU - Ilieva, Y.

AU - Ireland, D. G.

AU - Ishkhanov, B. S.

AU - Ito, M. M.

AU - Jenkins, D.

AU - Jo, H. S.

AU - Joo, K.

AU - Juengst, H. G.

AU - Kalantarians, N.

AU - Kellie, J. D.

AU - Khandaker, M.

AU - Kim, K. Y.

AU - Kim, K.

AU - Kim, W.

AU - Klein, A.

AU - Klein, F. J.

AU - Klimenko, A. V.

AU - Klusman, M.

AU - Kossov, M.

AU - Krahn, Z.

AU - Kramer, L. H.

AU - Kubarovsky, V.

AU - Kuhn, J.

AU - Kuhn, S. E.

AU - Kuznetsov, V.

AU - Lachniet, J.

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PY - 2007/8/24

Y1 - 2007/8/24

N2 - Differential cross sections for the reaction γp→pπ0 have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.675 to 2.875 GeV. The results reported here possess greater accuracy in the absolute normalization than previous measurements. They disagree with recent CB-ELSA measurements for the process at forward scattering angles. Agreement with the SAID and MAID fits is found below 1 GeV. The present set of cross sections has been incorporated into the SAID database, and exploratory fits have been extended to 3 GeV. Resonance couplings have been extracted and compared to previous determinations.

AB - Differential cross sections for the reaction γp→pπ0 have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.675 to 2.875 GeV. The results reported here possess greater accuracy in the absolute normalization than previous measurements. They disagree with recent CB-ELSA measurements for the process at forward scattering angles. Agreement with the SAID and MAID fits is found below 1 GeV. The present set of cross sections has been incorporated into the SAID database, and exploratory fits have been extended to 3 GeV. Resonance couplings have been extracted and compared to previous determinations.

UR - http://www.scopus.com/inward/record.url?scp=34548200673&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.76.025211

DO - 10.1103/PhysRevC.76.025211

M3 - Article

AN - SCOPUS:34548200673

SN - 0556-2813

VL - 76

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 2

M1 - 025211

ER -

π0 photoproduction on the proton for photon energies from 0.675 to 2.875 GeV

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