Photoproduction of the [Formula presented] Meson on the Proton at Large Momentum Transfer Article

cited authors

  • Battaglieri, M; Brunoldi, M; De Vita, R; Laget, JM; Osipenko, M; Ripani, M; Taiuti, M; Adams, G; Amaryan, MJ; Anciant, E; Anghinolfi, M; Armstrong, DS; Asavapibhop, B; Asryan, G; Audit, G; Auger, T; Avakian, H; Barrow, S; Beard, K; Bektasoglu, M; Berman, BL; Bersani, A; Bianchi, N; Biselli, AS; Boiarinov, S; Bouchigny, S; Bradford, R; Branford, D; Briscoe, WJ; Brooks, WK; Burkert, VD; Calarco, JR; Capitani, GP; Carman, DS; Carnahan, B; Cazes, A; Cetina, C; Cole, PL; Coleman, A; Cords, D; Corvisiero, P; Crabb, D; Crannell, H; Cummings, JP; DeSanctis, E; Degtyarenko, PV; Demirchyan, R; Denizli, H; Dennis, L; Dharmawardane, KV; Dhuga, KS; Djalali, C; Dodge, GE; Doughty, D; Dragovitsch, P; Dugger, M; Dytman, S; Eckhause, M; Egiyan, H; Egiyan, KS; Elouadrhiri, L; Farhi, L; Feuerbach, RJ; Ficenec, J; Forest, TA; Freyberger, AP; Frolov, V; Funsten, H; Gaff, SJ; Gai, M; Garcon, M; Gavalian, G; Gilad, S; Gilfoyle, GP; Giovanetti, KL; Golovach, E; Griffioen, K; Guidal, M; Guillo, M; Guo, L; Gyurjyan, V; Hadjidakis, C; Hancock, D; Hardie, J; Heddle, D; Hersman, FW; Hicks, K; Hicks, RS; Holtrop, M; Hyde-Wright, CE; Ito, MM; Joo, K; Kelley, JH; Khandaker, M; Kim, W; Klein, A; Klein, FJ; Klimenko, AV; Klusman, M; Kossov, M

fiu authors

abstract

  • The differential cross section, [Formula presented], for [Formula presented] meson exclusive photoproduction on the proton above the resonance region ([Formula presented]) was measured up to a momentum transfer [Formula presented] using the CLAS detector at Jefferson Laboratory. The [Formula presented] channel was identified by detecting a proton and [Formula presented] in the final state and using the missing mass technique. While the low momentum transfer region shows the typical diffractive pattern expected from Pomeron and Reggeon exchange, at large [Formula presented] the differential cross section has a flat behavior. This feature can be explained by introducing quark interchange processes in addition to the QCD-inspired two-gluon exchange. © 2003 The American Physical Society.

publication date

  • January 1, 2003

Digital Object Identifier (DOI)

start page

  • 5

volume

  • 90

issue

  • 2