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First measurement of the Lambda(+)(c) -> p eta ' decayopen access
- Authors
- Li, SX[Li, S. X.]; Cui, JX[Cui, J. X.]; Shen, CP[Shen, C. P.]; Adachi, I[Adachi, I]; Aihara, H[Aihara, H.]; Al Said, S[Al Said, S.]; Asner, DM[Asner, D. M.]; Atmacan, H[Atmacan, H.]; Aushev, T[Aushev, T.]; Ayad, R[Ayad, R.]; Babu, V[Babu, V]; Behera, P[Behera, P.]; Belous, K[Belous, K.]; Bessner, M[Bessner, M.]; Bhardwaj, V[Bhardwaj, V]; Bhuyan, B[Bhuyan, B.]; Bilka, T[Bilka, T.]; Bodrov, D[Bodrov, D.]; Bonvicini, G[Bonvicini, G.]; Borah, J[Borah, J.]; Bozek, A[Bozek, A.]; Bracko, M[Bracko, M.]; Branchini, P[Branchini, P.]; Browder, TE[Browder, T. E.]; Budano, A[Budano, A.]; Campajola, M[Campajola, M.]; Chang, MC[Chang, M-C]; Chang, P[Chang, P.]; Chekelian, V[Chekelian, V]; Chen, A[Chen, A.]; Cheon, BG[Cheon, B. G.]; Chilikin, K[Chilikin, K.]; Cho, HE[Cho, H. E.]; Cho, K[Cho, K.]; Cho, SJ[Cho, S-J]; Choi, SK[Choi, S-K]; Choi, Y[Choi, Y.]; Choudhury, S[Choudhury, S.]; Cinabro, D[Cinabro, D.]; Cunliffe, S[Cunliffe, S.]; Das, S[Das, S.]; Dash, N[Dash, N.]; De Nardo, G[De Nardo, G.]; De Pietro, G[De Pietro, G.]; Dhamija, R[Dhamija, R.]; Di Capua, F[Di Capua, F.]; Dolezal, Z[Dolezal, Z.]; Dong, TV[Dong, T., V]; Epifanov, D[Epifanov, D.]; Ferber, T[Ferber, T.]; Ferlewicz, D[Ferlewicz, D.]; Fulsom, BG[Fulsom, B. G.]; Garg, R[Garg, R.]; Gaur, V[Gaur, V]; Gabyshev, N[Gabyshev, N.]; Giri, A[Giri, A.]; Goldenzweig, P[Goldenzweig, P.]; Golob, B[Golob, B.]; Graziani, E[Graziani, E.]; Gu, T[Gu, T.]; Hara, T[Hara, T.]; Hayasaka, K[Hayasaka, K.]; Hayashii, H[Hayashii, H.]; Hou, WS[Hou, W-S]; Inami, K[Inami, K.]; Ishikawa, A[Ishikawa, A.]; Iwasaki, M[Iwasaki, M.]; Iwasaki, Y[Iwasaki, Y.]; Jacobs, WW[Jacobs, W. W.]; Jang, EJ[Jang, E-J]; Jia, S[Jia, S.]; Jin, Y[Jin, Y.]; Joo, KK[Joo, K. K.]; Kahn, J[Kahn, J.]; Kaliyar, AB[Kaliyar, A. B.]; Kang, KH[Kang, K. H.]; Kato, Y[Kato, Y.]; Kawasaki, T[Kawasaki, T.]; Kichimi, H[Kichimi, H.]; Kiesling, C[Kiesling, C.]; Kim, CH[Kim, C. H.]; Kim, DY[Kim, D. Y.]; Kim, YK[Kim, Y-K]; Kinoshita, K[Kinoshita, K.]; Kodys, P[Kodys, P.]; Konno, T[Konno, T.]; Korobov, A[Korobov, A.]; Korpar, S[Korpar, S.]; Kovalenko, E[Kovalenko, E.]; Krizan, P[Krizan, P.]; Kroeger, R[Kroeger, R.]; Krokovny, P[Krokovny, P.]; Kumar, M[Kumar, M.]; Kumar, R[Kumar, R.]; Kumara, K[Kumara, K.]; Kwon, YJ[Kwon, Y-J]; Lam, T[Lam, T.]; Laurenza, M[Laurenza, M.]; Lee, SC[Lee, S. C.]; Li, J[Li, J.]; Li, LK[Li, L. K.]; Li, Y[Li, Y.]; Li Gioi, L[Li Gioi, L.]; Libby, J[Libby, J.]; Liventsev, D[Liventsev, D.]; Martini, A[Martini, A.]; Masuda, M[Masuda, M.]; Matsuda, T[Matsuda, T.]; Matvienko, D[Matvienko, D.]; Maurya, SK[Maurya, S. K.]; Meier, F[Meier, F.]; Merola, M[Merola, M.]; Miyabayashi, K[Miyabayashi, K.]; Mizuk, R[Mizuk, R.]; Mussa, R[Mussa, R.]; Nakao, M[Nakao, M.]; Narwal, D[Narwal, D.]; Natkaniec, Z[Natkaniec, Z.]; Natochii, A[Natochii, A.]; Nayak, L[Nayak, L.]; Nisar, NK[Nisar, N. K.]; Nishida, S[Nishida, S.]; Nishimura, K[Nishimura, K.]; Ogawa, K[Ogawa, K.]; Ogawa, S[Ogawa, S.]; Ono, H[Ono, H.]; Oskin, P[Oskin, P.]; Pakhlov, P[Pakhlov, P.]; Pakhlova, G[Pakhlova, G.]; Pang, T[Pang, T.]; Pardi, S[Pardi, S.]; Park, SH[Park, S-H]; Patra, S[Patra, S.]; Pedlar, TK[Pedlar, T. K.]; Pestotnik, R[Pestotnik, R.]; Piilonen, LE[Piilonen, L. E.]; Podobnik, T[Podobnik, T.]; Popov, V[Popov, V]; Prim, MT[Prim, M. T.]; Rohrken, M[Rohrken, M.]; Rostomyan, A[Rostomyan, A.]; Rout, N[Rout, N.]; Russo, G[Russo, G.]; Sahoo, D[Sahoo, D.]; Sandilya, S[Sandilya, S.]; Sangal, A[Sangal, A.]; Sanuki, T[Sanuki, T.]; Savinov, V[Savinov, V]; Schnell, G[Schnell, G.]; Schueler, J[Schueler, J.]; Schwanda, C[Schwanda, C.]; Schwartz, AJ[Schwartz, A. J.]; Seino, Y[Seino, Y.]; Senyo, K[Senyo, K.]; Sevior, ME[Sevior, M. E.]; Shapkin, M[Shapkin, M.]; Sharma, C[Sharma, C.]; Shebalin, V[Shebalin, V]; Shiu, JG[Shiu, J-G]; Shwartz, B[Shwartz, B.]; Simon, F[Simon, F.]; Solovieva, E[Solovieva, E.]; Stanic, S[Stanic, S.]; Staric, M[Staric, M.]; Stottler, ZS[Stottler, Z. S.]; Sumihama, M[Sumihama, M.]; Sumisawa, K[Sumisawa, K.]; Sumiyoshi, T[Sumiyoshi, T.]; Sutcliffe, W[Sutcliffe, W.]; Takizawa, M[Takizawa, M.]; Tamponi, U[Tamponi, U.]; Tanida, K[Tanida, K.]; Tenchini, F[Tenchini, F.]; Trabelsi, K[Trabelsi, K.]; Uchida, M[Uchida, M.]; Unno, Y[Unno, Y.]; Uno, K[Uno, K.]; Uno, S[Uno, S.]; Urquijo, P[Urquijo, P.]; Vahsen, SE[Vahsen, S. E.]; Van Tonder, R[Van Tonder, R.]; Varner, G[Varner, G.]; Vinokurova, A[Vinokurova, A.]; Waheed, E[Waheed, E.]; Wang, D[Wang, D.]; Wang, E[Wang, E.]; Wang, MZ[Wang, M-Z]; Watanuki, S[Watanuki, S.]; Won, E[Won, E.]; Xu, X[Xu, X.]; Yabsley, BD[Yabsley, B. D.]; Yan, W[Yan, W.]; Ye, H[Ye, H.]; Yin, JH[Yin, J. H.]; Yusa, Y[Yusa, Y.]; Zhai, Y[Zhai, Y.]; Zhilich, V[Zhilich, V]; Zhukova, V[Zhukova, V]
- Issue Date
- 15-Mar-2022
- Publisher
- SPRINGER
- Keywords
- Branching fraction; e(+)-e(-) Experiments; Charm Physics; Particle and Resonance Production
- Citation
- JOURNAL OF HIGH ENERGY PHYSICS, v.2022, no.3
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF HIGH ENERGY PHYSICS
- Volume
- 2022
- Number
- 3
- ISSN
- 1126-6708
- Abstract
- We present the first measurement of the branching fraction of the singly Cabibbo-suppressed (SCS) decay Lambda(+)(c) -> p eta' with eta' -> eta pi(+)pi(-), using a data sample cor- responding to an integrated luminosity of 981 fb(-1), collected by the Belle detector at the KEKB e(+)e(-) asymmetric-energy collider. A significant Lambda(+)(c) -> p eta' signal is observed for the first time with a signal significance of 5.4 sigma. The relative branching fraction with respect to the normalization mode Lambda(+)(c) -> pK(-) pi(+) is measured to be B(Lambda(+)(c) -> p eta')/B(Lambda(+)(c) -> pK(-) pi(+)) = (7.54 +/- 1.32 +/- 0.73) x 10(-3), where the uncertainties are statistical and systematic, respectively. Using the world-average value of B(Lambda(+)(c) -> pK(-)pi(+)) = (6.28 +/- 0.32) x 10(-2), we obtain B(Lambda(+)(c) -> p eta') = (4.73 +/- 0.82 +/- 0.46 +/- 0.24) x 10(-4), where the uncertainties are statistical, systematic, and from B(Lambda(+)(c) -> pK(-) pi(+)), respectively.
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