Photoproduction of and 0 hyperons using linearly polarized photons

C. A. Paterson D. G. Ireland K. Livingston B. Mckinnon K. P. Adhikari D. Adikaram Z. Akbar M. Amaryan S. Anefalos Pereira R. A. Badui J. Ball 1 N. A. Baltzell M. Battaglieri I. Bedlinskiy A. Biselli W. J. Briscoe W. K. Brooks V. D. Burkert D. S. Carman A. Celentano T. Chetry G. Ciullo L. Clark L. Colaneri P. L. Cole N. Compton M. Contalbrigo O. Cortes V. Crede A. D'Angelo R. De Vita A. Deur C. Djalali M. Dugger R. Dupre 2 H. Egiyan A. El Alaoui L. El Fassi E. Fanchini G. Fedotov A. Filippi J. A. Fleming N. Gevorgyan Y. Ghandilyan G. P. Gilfoyle K. L. Giovanetti F. X. Girod D. I. Glazier C. Gleason R. W. Gothe K. A. Griffioen L. Guo K. Hafidi N. Harrison M. Hattawy K. Hicks M. Holtrop S. M. Hughes Y. Ilieva B. S. Ishkhanov E. L. Isupov D. Jenkins H. Jiang K. Joo D. Keller G. Khachatryan M. Khandaker W. Kim F. J. Klein V. Kubarovsky S. V. Kuleshov L. Lanza P. Lenisa H. Y. Lu I. J. D. Macgregor N. Markov P. Mattione C. A. Mayer M. E. Mccracken V. Mokeev A. Movsisyan E. Munevar C. Munoz Camacho 2 P. Nadel-Turonski L. A. Net A. Ni S. Niccolai 2 G. Niculescu M. Osipenko A. I. Ostrovidov R. Paremuzyan 2 K. Park E. Pasyuk P. Peng S. Pisano O. Pogorelko J. W. Price Y. Prok D. Protopopescu A. J. R. Puckett B. A. Raue M. Ripani B. G. Ritchie A. Rizzo G. Rosner P. Roy F. Sabatié 1 C. Salgado R. A. Schumacher E. Seder Y. G. Sharabian Iu. Skorodumina G. D. Smith D. I. Sober D. Sokhan 2 N. Sparveris I. I. Strakovsky S. Strauch V. Sytnik M. Taiuti B. Torayev R. Tucker M. Ungaro H. Voskanyan E. Voutier 2 N. K. Walford D. P. Watts X. Wei N. Zachariou L. Zana J. Zhang I. Zonta
Abstract : Background: Measurements of polarization observables for the reactions γ p → K + and γ p → K + 0 have been performed. This is part of a program of measurements designed to study the spectrum of baryon resonances in particular, and nonperturbative QCD in general. Purpose: The accurate measurement of several polarization observables provides tight constraints for phenomenological fits, which allow the study of strangeness in nucleon and nuclear systems. Beam-recoil observables for the γ p → K + 0 reaction have not been reported before now. Method: The measurements were carried out using linearly polarized photon beams incident on a liquid hydrogen target, and the CLAS detector at the Thomas Jefferson National Accelerator Facility. The energy range of the results is 1.71 < W < 2.19 GeV, with an angular range −0.75 < cos θ K < +0.85. Results: The observables extracted for both reactions are beam asymmetry , target asymmetry T , and the beam-recoil double polarization observables O x and O z. Conclusions: Comparison with theoretical fits indicates that, in the regions where no previous data existed, the new data contain significant new information, and strengthen the evidence for the set of resonances used in the latest Bonn-Gatchina fit.
Type de document :
Article dans une revue
Physical Review C, American Physical Society, 2016, 93 (6), pp. 065201. 〈10.1103/PhysRevC.93.065201〉
Liste complète des métadonnées

Littérature citée [21 références]  Voir  Masquer  Télécharger

http://hal.in2p3.fr/in2p3-01344783
Contributeur : Sophie Heurteau <>
Soumis le : mardi 12 juillet 2016 - 15:23:18
Dernière modification le : mercredi 31 janvier 2018 - 12:12:11

Fichier

PhysRevC.93.065201.pdf
Fichiers éditeurs autorisés sur une archive ouverte

Identifiants

Citation

C. A. Paterson, D. G. Ireland, K. Livingston, B. Mckinnon, K. P. Adhikari, et al.. Photoproduction of and 0 hyperons using linearly polarized photons. Physical Review C, American Physical Society, 2016, 93 (6), pp. 065201. 〈10.1103/PhysRevC.93.065201〉. 〈in2p3-01344783〉

Partager

Métriques

Consultations de la notice

164

Téléchargements de fichiers

143