Differential Cross Sections For Lambda(1520) Using Photoproduction At Clas

U. Shrestha,T. Chetry,C. Djalali,K. Hicks,S. i. Nam,K. P. Adhikari,S. Adhikari,M. J. Amaryan,G. Angelini,H. Atac,L. Barion,M. Battaglieri,I. Bedlinskiy,F. Benmokhtar,A. Bianconi,A. S. Biselli,M. Bondi,F. Bossu,S. Boiarinov,W. J. Briscoe,W. K. Brooks,D. Bulumulla,V. D. Burkert,D. S. Carman,J. C. Carvajal,A. Celentano,P. Chatagnon,G. Ciullo,P. L. Cole,M. Contalbrigo,V. Crede, A. De Angelo,N. Dashyan,R. De Vita,M. Defurne,A. Deur,S. Diehl,M. Dugger,R. Dupre,H. Egiyan,M. Ehrhart,L. El Fassi,P. Eugenio, G. Fedotov,S. Fegan,A. Filippi,G. Gavalian,Y. Ghandilyan,G. P. Gilfoyle,F. X. Girod,D. I. Glazier,R. W. Gothe,K. A. Griffioen,M. Guidal,L. Guo,K. Hafidi,H. Hakobyan,M. Hattawy,T. B. Hayward,D. Heddle,M. Holtrop,Q. Huang,D. G. Ireland,E. L. Isupov,H. S. Jo,K. Joo,S. Joosten,D. Keller,A. Khanal,M. Khandaker,A. Kim,W. Kim,F. J. Klein,A. Kripko,V. Kubarovsky,L. Lanza,M. Leali,P. Lenisa,K. Livingston,I. J. D. MacGregor,D. Marchand,L. Marsicano,V. Mascagna,M. E. McCracken,B. McKinnon,V. Mokeev,A. Movsisyan,E. Munevar,C. Munoz Camacho, P. Nadel Turonski,K. Neupane,S. Niccolai,G. Niculescu,T. O'Connell,M. Osipenko,A. I. Ostrovidov,L. L. Pappalardo,R. Paremuzyan,K. Park,E. Pasyuk,W. Phelps, N. Pivnyuk,O. Pogorelko,J. Poudel,Y. Prok,M. Ripani,J. Ritman,A. Rizzo,G. Rosner,J. Rowley,F. Sabatie,C. Salgado,A. Schmidt,R. A. Schumacher,Y. G. Sharabian,O. Soto,N. Sparveris,S. Stepanyan,I. I. Strakovsky,S. Strauch,N. Tyler,M. Ungaro,L. Venturelli,H. Voskanyan,E. Voutier,D. P. Watts,K. Wei,X. Wei,M. H. Wood,B. Yale,N. Zachariou,J. Zhang,Z. W. Zhao

PHYSICAL REVIEW C(2021)

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Abstract
The reaction gamma p -> K+Lambda(1520) using photoproduction data from the CLAS g12 experiment at Jefferson Lab is studied. The decay of Lambda(1520) into two exclusive channels, Sigma(+)pi(-) and Sigma(-)pi(+), is studied from the detected K+, pi(+), and pi(-) particles. A good agreement is established for the Lambda(1520) differential cross sections with the previous CLAS measurements. The differential cross sections as a function of center-of-mass angle are extended to higher photon energies. Newly added are the differential cross sections as a function of invariant four-momentum transfer t, which is the natural variable to use for a theoretical model based on a Regge-exchange reaction mechanism. No new N* resonances decaying into the K+Lambda (1520) final state are found.
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Key words
differential cross sections,photoproduction
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