Cross Sections For The Gamma P -> K-*0 Sigma(+) Reaction At E-Gamma=1.7-3.0 Gev

I. Hleiqawi,K. Hicks,D. S. Carman,T. Mibe,G. Niculescu,A. Tkabladze,M. Amarian,P. Ambrozewicz,M. Anghinolfi,G. Asryan,H. Avakian,H. Bagdasaryan,N. Baillie,N. A. Baltzell,M. Battaglieri,K. Beard,M. Bellis,N. Benmouna,B. L. Berman,A. S. Biselli,S. Bouchigny,S. Boiarinov,R. Bradford,D. Branford,W. J. Briscoe,W. K. Brooks,S. Bultmann,V. D. Burkert,C. Butuceanu,J. R. Calarco,S. L. Careccia,B. Carnahan,S. Chen,P. L. Cole,P. Collins,P. Coltharp,D. Crabb,H. Crannell,V. Crede,J. P. Cummings,R. De Masi,R. De Vita,P. V. Degtyarenko,L. Dennis,A. Deur,C. Djalali,R. Dickson,G. E. Dodge,J. Donnelly,D. Doughty,M. Dugger,S. Dytman,O. P. Dzyubak,H. Egiyan,K. S. Egiyan,L. Elouadrhiri,P. Eugenio,G. Fedotov,G. Feldman,R. Fersch,R. Feuerbach,M. Garcon,G. Gavalian,G. P. Gilfoyle,K. L. Giovanetti,F. X. Girod,J. T. Goetz,A. Gonenc,R. W. Gothe,K. A. Griffioen,M. Guidal,N. Guler, L. Guo,V. Gyurjyan, R. S. Hakobyan,J. Hardie, L. Guo,V. Gyurjyan,R. Hakobyan,J. Hardie,D. Heddle,F. Hersman,M. Holtrop,C. Hyde-Wright,Y. Ilieva,D. Ireland,B. Ishkhanov,M. Ito,D. Jenkins,H. Jo,K. Joo,H. Juengst,N. Kalantarians,J. Kellie,M. Khandaker,K. Kim,W. Kim,A. Klein,F. Klein,A. Klimenko, M. Kossov,Z. Krahn,L. Kramer,V. Kubarovsky,J. Kuhn,S. Kuhn,S. Kuleshov,J. Lachniet,J. Laget,J. Langheinrich,D. Lawrence,J. Li,K. Livingston,H. Lu, K. Lukashin,M. MacCormick,S. McAleer,B. McKinnon,J. McNabb,B. Mecking,M. Mestayer,C. Meyer,K. Mikhailov,R. Minehart,M. Mirazita,R. Miskimen,V. Mokeev,K. Moriya,S. Morrow,M. Moteabbed,G. Mutchler,E. Munevar,P. Nadel-Turonski,R. Nasseripour,S. Niccolai,I. Niculescu,B. Niczyporuk,M. Niroula,R. Niyazov,M. Nozar,M. Osipenko,A. Ostrovidov,K. Park,E. Pasyuk,C. Paterson,J. Pierce,N. Pivnyuk,O. Pogorelko,S. Pozdniakov,B. Preedom,J. Price,Y. Prok,D. Protopopescu,B. Raue,G. Riccardi,G. Ricco,M. Ripani,B. Ritchie,F. Ronchetti,G. Rosner,P. Rossi,F. Sabatié,C. Salgado,J. Santoro,V. Sapunenko,R. Schumacher,V. Serov,Y. Sharabian,E. Smith,L. Smith,D. Sober,A. Stavinsky,S. Stepanyan,B. Stokes,P. Stoler,I. Strakovsky,S. Strauch,M. Taiuti,S. Taylor,D. Tedeschi,U. Thoma,R. Thompson,L. Todor,S. Tkachenko,C. Tur,M. Ungaro,M. Vineyard,A. Vlassov,K. Wang,L. Weinstein,D. Weygand,S. Whisnant,M. Williams,E. Wolin,M. Wood,A. Yegneswaran,L. Zana,J. Zhang,B. Zhao,Z. Zhao

PHYSICAL REVIEW C（2007）

Cited 56|Views78

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Abstract

Differential cross sections for the reaction gamma p -> K-*0 Sigma(+) are presented in the photon energy range of 1.7 to 3.0 GeV. The K-*0 was detected by its decay products, K+pi(-), in the Continuous Electron Beam Accelerator Facility's large acceptance spectrometer (CLAS) detector at the Thomas Jefferson National Accelerator Facility. These data are the first K-*0 photoproduction cross sections ever published over a broad range of angles. Comparison with a theoretical model based on the vector and tensor K-*-quark couplings shows good agreement with the data, except at forward angles, suggesting that the role of scalar kappa meson exchange should be investigated.

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