We present a search for ten baryon number violating decay modes of. hyperons using the CLAS detector at Jefferson Laboratory. Nine of these decay modes result in a single meson and single lepton in the final state (Lambda -> ml) and conserve either the sum or the difference of baryon and lepton number (B +/- L). The tenth decay mode (Lambda ->(p) over bar pi(+)) represents a difference in baryon number of two units and no difference in lepton number. We observe no significant signal and set upper limits on the branching fractions of these reactions in the range (4-200) x 10(-7) at the 90% confidence level.

Mccracken, M.e., Bellis, M., Adhikari, K.p., Adikaram, D., Akbar, Z., Pereira, S.a., et al. (2015). Search for baryon-number and lepton-number violating decays of Λ hyperons using the CLAS detector at Jefferson Laboratory. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 92(7) [10.1103/PhysRevD.92.072002].

Search for baryon-number and lepton-number violating decays of Λ hyperons using the CLAS detector at Jefferson Laboratory

COLANERI, LUCA;D'ANGELO, ANNALISA;PISANO, SILVIA;RIZZO, ALESSANDRO;ZONTA, IRENE
2015-10-09

Abstract

We present a search for ten baryon number violating decay modes of. hyperons using the CLAS detector at Jefferson Laboratory. Nine of these decay modes result in a single meson and single lepton in the final state (Lambda -> ml) and conserve either the sum or the difference of baryon and lepton number (B +/- L). The tenth decay mode (Lambda ->(p) over bar pi(+)) represents a difference in baryon number of two units and no difference in lepton number. We observe no significant signal and set upper limits on the branching fractions of these reactions in the range (4-200) x 10(-7) at the 90% confidence level.
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore FIS/04 - Fisica Nucleare e Subnucleare
English
Con Impact Factor ISI
OSCILLATIONS
CLAS Collaboration
http://journals.aps.org/prd/pdf/10.1103/PhysRevD.92.072002
Mccracken, M.e., Bellis, M., Adhikari, K.p., Adikaram, D., Akbar, Z., Pereira, S.a., et al. (2015). Search for baryon-number and lepton-number violating decays of Λ hyperons using the CLAS detector at Jefferson Laboratory. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 92(7) [10.1103/PhysRevD.92.072002].
Mccracken, M; Bellis, M; Adhikari, K; Adikaram, D; Akbar, Z; Pereira, S; Badui, R; Ball, J; Baltzell, N; Battaglieri, M; Batourine, V; Bedlinskiy, I; Biselli, A; Boiarinov, S; Briscoe, W; Brooks, W; Burkert, V; Cao, T; Carman, D; Celentano, A; Chandavar, S; Charles, G; Colaneri, L; Cole, P; Contalbrigo, M; Cortes, O; Crede, V; D'Angelo, A; Dashyan, N; De Vita, R; De Sanctis, E; Deur, A; Djalali, C; Dodge, G; Dupre, R; Alaoui, A; Fassi, L; Elouadrhiri, E; Eugenio, P; Fedotov, G; Fegan, S; Fersch, R; Filippi, A; Fleming, J; Garillon, B; Gevorgyan, N; Gilfoyle, G; Giovanetti, K; Girod, F; Golovatch, E; Gothe, R; Griffioen, K; Guidal, M; Guo, L; Hafidi, K; Hakobyan, H; Hanretty, C; Hattawy, M; Hicks, K; Holtrop, M; Hughes, S; Ilieva, Y; Ireland, D; Ishkhanov, B; Isupov, E; Jenkins, D; Jiang, H; Jo, H; Keller, D; Khachatryan, G; Khandaker, M; Kim, A; Kim, W; Klein, A; Klein, F; Kubarovsky, V; Lenisa, P; Livingston, K; Lu, H; Macgregor, I; Mayer, M; Mckinnon, B; Mestayer, M; Meyer, C; Mirazita, M; Mokeev, V; Moody, C; Moriya, K; Camacho, C; Nadel Turonski, P; Net, L; Niccolai, S; Osipenko, M; Ostrovidov, A; Park, K; Pasyuk, E; Pisano, S; Pogorelko, O; Price, J; Procureur, S; Prok, Y; Raue, B; Ripani, M; Rizzo, A; Rosner, G; Roy, P; Sabatie, F; Salgado, C; Schumacher, R; Seder, E; Sharabian, Y; Skorodumina, I; Sokhan, D; Sparveris, N; Stoler, P; Strakovsky, I; Strauch, S; Sytnik, V; Tian, Y; Ungaro, M; Voskanyan, H; Voutier, E; Walford, N; Watts, D; Wei, X; Wood, M; Zachariou, N; Zana, L; Zhang, J; Zhao, Z; Zonta, I
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2108/173639
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