A measurement of Λc + production in neutrino nucleon charged-current interactions is presented. In a subsample of about 50 000 interactions located in the emulsion target of the CHORUS detector, exposed to the wide band neutrino beam of the CERN SPS, candidates for decays of short-lived particles were identified using new automatic scanning systems and later confirmed through visual inspection. Criteria based on the flight length allowed a statistical separation among the different charm species thus enabling a sample particularly rich in A+ to be defined. At an average neutrino energy of 27 GeV, the product σ(Λc +)/σ(CC) × BR(Λc + → 3p) was measured to be (0.37 ± 0.10(stat) ± 0.02(syst)) × 10-2, while the values of (1.54 ± 0.35(stat) ± 0.18(syst)) × 10-2 and of 0.24 ± 0.07(stat) ± 0.04(syst) were obtained for σ(Λc +)/σ(CC) and BR(Λc + → 3p), respectively.

Measurement of Λc+ production in neutrino charged-current interactions / Kayis Topaksu, A; Onengüt, G; van Dantzig, R; de Jong, M; Melzer, O; Oldeman, R. G. C; Pesen, E; Spada, F. R; Visschers, J. L; Güler, M; Köse, U; Serin Zeyrek, M; Sever, R; Tolun, P; Zeyrek, M. T; Armenise, N; Catanesi, M. G; De Serio, M; Ieva, M; Muciaccia, M. T; Radicioni, E; Simone, S; Bülte, A; Winter, K; El Aidi, R; Van de Vyver, B; Vilain, P; Wilquet, G; Saitta, B; Di Capua, E; Ogawa, S; Shibuya, H; Artamonov, A; Chizhov, M; Doucet, M; Hristova, I. R; Kawamura, T; Kolev, D; Meinhard, H; Panman, J; Papadopoulos, I. M; Ricciardi, S; Rozanov, A; Tsenov, R; Uiterwijk, J. W. E; Zucchelli, P; Goldberg, J; Chikawa, M; Arik, E; Song, J. S; Yoon, C. S; Kodama, K; Ushida, N; Aoki, S; Hara, T; Delbar, T; Favart, D; Grégoire, G; Kalinin, S; Maklioueva, I; Gorbunov, P; Khovansky, V; Shamanov, V; Tsukerman, I; Bruski, N; Frekers, D; Hoshino, K; Kawada, J; Komatsu, M; Miyanishi, M; Nakamura, M; Nakano, T; Narita, K; Niu, K; Niwa, K; Nonaka, N; Sato, O; Toshito, T; Buontempo, S; Cocco, A. G; D'Ambrosio, N; De Lellis, G; De Rosa, G; DI CAPUA, Francesco; Ereditato, A; Fiorillo, Giuliana; Marotta, A; Messina, M; Migliozzi, P; Pistillo, C; Scotto lavina, L; Strolin, P; Tioukov, V; Nakamura, K; Okusawa, T; Dore, U; Loverre, P. F; Ludovici, L; Righini, P; Rosa, G; Santacesaria, R; Satta, A; Barbuto, E; Bozza, C; Grella, G; Romano, G; Sirignano, C; Sorrentino, S; Sato, Y; Tezuka, I.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 555:3-4(2003), pp. 156-166. [10.1016/S0370-2693(03)00045-5]

Measurement of Λc+ production in neutrino charged-current interactions

DI CAPUA, FRANCESCO;FIORILLO, GIULIANA;
2003

Abstract

A measurement of Λc + production in neutrino nucleon charged-current interactions is presented. In a subsample of about 50 000 interactions located in the emulsion target of the CHORUS detector, exposed to the wide band neutrino beam of the CERN SPS, candidates for decays of short-lived particles were identified using new automatic scanning systems and later confirmed through visual inspection. Criteria based on the flight length allowed a statistical separation among the different charm species thus enabling a sample particularly rich in A+ to be defined. At an average neutrino energy of 27 GeV, the product σ(Λc +)/σ(CC) × BR(Λc + → 3p) was measured to be (0.37 ± 0.10(stat) ± 0.02(syst)) × 10-2, while the values of (1.54 ± 0.35(stat) ± 0.18(syst)) × 10-2 and of 0.24 ± 0.07(stat) ± 0.04(syst) were obtained for σ(Λc +)/σ(CC) and BR(Λc + → 3p), respectively.
2003
Measurement of Λc+ production in neutrino charged-current interactions / Kayis Topaksu, A; Onengüt, G; van Dantzig, R; de Jong, M; Melzer, O; Oldeman, R. G. C; Pesen, E; Spada, F. R; Visschers, J. L; Güler, M; Köse, U; Serin Zeyrek, M; Sever, R; Tolun, P; Zeyrek, M. T; Armenise, N; Catanesi, M. G; De Serio, M; Ieva, M; Muciaccia, M. T; Radicioni, E; Simone, S; Bülte, A; Winter, K; El Aidi, R; Van de Vyver, B; Vilain, P; Wilquet, G; Saitta, B; Di Capua, E; Ogawa, S; Shibuya, H; Artamonov, A; Chizhov, M; Doucet, M; Hristova, I. R; Kawamura, T; Kolev, D; Meinhard, H; Panman, J; Papadopoulos, I. M; Ricciardi, S; Rozanov, A; Tsenov, R; Uiterwijk, J. W. E; Zucchelli, P; Goldberg, J; Chikawa, M; Arik, E; Song, J. S; Yoon, C. S; Kodama, K; Ushida, N; Aoki, S; Hara, T; Delbar, T; Favart, D; Grégoire, G; Kalinin, S; Maklioueva, I; Gorbunov, P; Khovansky, V; Shamanov, V; Tsukerman, I; Bruski, N; Frekers, D; Hoshino, K; Kawada, J; Komatsu, M; Miyanishi, M; Nakamura, M; Nakano, T; Narita, K; Niu, K; Niwa, K; Nonaka, N; Sato, O; Toshito, T; Buontempo, S; Cocco, A. G; D'Ambrosio, N; De Lellis, G; De Rosa, G; DI CAPUA, Francesco; Ereditato, A; Fiorillo, Giuliana; Marotta, A; Messina, M; Migliozzi, P; Pistillo, C; Scotto lavina, L; Strolin, P; Tioukov, V; Nakamura, K; Okusawa, T; Dore, U; Loverre, P. F; Ludovici, L; Righini, P; Rosa, G; Santacesaria, R; Satta, A; Barbuto, E; Bozza, C; Grella, G; Romano, G; Sirignano, C; Sorrentino, S; Sato, Y; Tezuka, I.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 555:3-4(2003), pp. 156-166. [10.1016/S0370-2693(03)00045-5]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/667876
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