Double KS0 photoproduction off the proton at CLAS

Chandavar, S.; Goetz, J. T.; Hicks, K.; Keller, D.; Kunkel, M. C.; Paolone, M.; Weygand, D. P.; Adhikari, K. P.; Adhikari, S.; Akbar, Z.; Ball, J.; Balossino, I.; Barion, L.; Bashkanov, M.; Battaglieri, M.; Bedlinskiy, I.; Biselli, A. S.; Briscoe, W. J.; Brooks, W. K.; Burkert, V. D.; Cao, F.; Carman, D. S.; Celentano, A.; Charles, G.; Chetry, T.; Ciullo, G.; Clark, L.; Cole, P. L.; Contalbrigo, M.; Crede, V.; D'Angelo, A.; Dashyan, N.; De Vita, R.; De Sanctis, E.; Defurne, M.; Deur, A.; Djalali, C.; Dupre, R.; Egiyan, H.; El Alaoui, A.; El Fassi, L.; Eugenio, P.; Fedotov, G.; Filippi, A.; Fradi, A.; Gavalian, G.; Ghandilyan, Y.; Gilfoyle, G. P.; Girod, F. X.; Glazier, D. I.; Gohn, W.; Golovatch, E.; Gothe, R. W.; Griffioen, K. A.; Guidal, M.; Guo, L.; Hafidi, K.; Hakobyan, H.; Hanretty, C.; Harrison, N.; Hattawy, M.; Heddle, D.; Holtrop, M.; Ilieva, Y.; Ireland, D. G.; Isupov, E. L.; Jenkins, D.; Johnston, S.; Joo, K.; Joosten, S.; Kabir, M. L.; Khachatryan, G.; Khachatryan, M.; Khandaker, M.; Kim, W.; Klein, A.; Klein, F. J.; Kubarovsky, V.; Lanza, L.; Lenisa, P.; Livingston, K.; MacGregor, I. J.  D.; Markov, N.; McCracken, M. E.; McKinnon, B.; Meyer, C. A.; Mineeva, T.; Mokeev, V.; Movsisyan, A.; Munoz Camacho, C.; Nadel-Turonski, P.; Niccolai, S.; Niculescu, G.; Osipenko, M.; Ostrovidov, A. I.; Paremuzyan, R.; Park, K.; Pasyuk, E.; Phelps, W.; Pogorelko, O.; Price, J. W.; Prok, Y.; Protopopescu, D.; Raue, B. A.; Ripani, M.; Riser, D.; Ritchie, B. G.; Rizzo, A.; Rosner, G.; Sabatié, F.; Salgado, C.; Schumacher, R. A.; Sharabian, Y. G.; Simonyan, A.; Skorodumina, Iu.; Sokhan, D.; Smith, G. D.; Sparveris, N.; Stepanyan, S.; Strakovsky, I. I.; Strauch, S.; Ungaro, M.; Voutier, E.; Wei, X.; Zachariou, N.; Zhang, J.; Zhao, Z. W.

doi:10.1103/PhysRevC.97.025203

Title: Double $K_{S}^{0}$ photoproduction off the proton at CLAS

Journal Article · Mon Feb 26 00:00:00 EST 2018 · Physical Review C

DOI:https://doi.org/10.1103/PhysRevC.97.025203· OSTI ID:1423775

Chandavar, S.; Goetz, J. T.; Hicks, K.; Keller, D.; Kunkel, M. C.; Paolone, M.; Weygand, D. P.; Adhikari, K. P.; Adhikari, S.; Akbar, Z.; Ball, J.; Balossino, I.; Barion, L.; Bashkanov, M.; Battaglieri, M.; Bedlinskiy, I.; Biselli, A. S.; Briscoe, W. J.; Brooks, W. K.; Burkert, V. D. more »

The $$f_0$$(1500) meson resonance is one of several contenders to have significant mixing with the lightest glueball. This resonance is well established from several previous experiments. Here we present the first photoproduction data for the $$f_0$$(1500) via decay into the $$K_S^0 K_S^0$$ channel using the CLAS detector. The reaction $$\gamma p$$ -> $$f_0 p$$ -> $$K_S^0 K_S^0 p$$, where J = 0, 2, was measured with photon energies from 2.7 to 5.1 GeV. A clear peak is seen at 1500 MeV in the background subtracted invariant mass spectra of the two kaons. This is enhanced if the measured 4-momentum transfer to the proton target is restricted to be less than 1.0 GeV2. By comparing data with simulations, it can be concluded that the peak at 1500 MeV is produced primarily at low t, which is consistent with a t-channel production mechanism.

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Research Organization:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); George Washington Univ., Washington, DC (United States); Mississippi State Univ., Mississippi State, MS (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); United Kingdom Science and Technology Facilities Council; Chilean Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT); Instituto Nazionale di Fisica Nucleare (INFN); Commissariat a l’Energie Atomique (CEA); National Science Foundation (NSF); National Research Foundation of Korea (NRF); Centre National de la Recherche Scientifique (CNRS)

Contributing Organization:: The CLAS Collaboration

Grant/Contract Number:: AC05-06OR23177; SC0016583; FG02-07ER41528; AC02-06CH11357

OSTI ID:: 1423775

Alternate ID(s):: OSTI ID: 1422651; OSTI ID: 1439887; OSTI ID: 1490803

Report Number(s):: JLAB-PHY-18-2631; DOE/OR/23177-4330; arXiv:1712.02184; PRVCAN; TRN: US1801836

Journal Information:: Physical Review C, Vol. 97, Issue 2; Related Information: Data collected from the following experiments: JLAB-E04-005, JLAB-E04-017; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 5 works

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References (12)

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