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Observation of gamma(2S) -> gamma eta(b)(1S) Decay
- Authors
- Fulsom, BG[Fulsom, B. G.]; Pedlar, TK[Pedlar, T. K.]; Adachi, I[Adachi, I.]; Aihara, H[Aihara, H.]; Al Said, S[Al Said, S.]; Asner, DM[Asner, D. M.]; Atmacan, H[Atmacan, H.]; Aulchenko, V[Aulchenko, V.]; Aushev, T[Aushev, T.]; Ayad, R[Ayad, R.]; Babu, V[Babu, V.]; Badhrees, I[Badhrees, I.]; Bakich, AM[Bakich, A. M.]; Bansal, V[Bansal, V.]; Behera, P[Behera, P.]; Beleno, C[Beleno, C.]; Berger, M[Berger, M.]; Bhardwaj, V[Bhardwaj, V.]; Bhuyan, B[Bhuyan, B.]; Bilka, T[Bilka, T.]; Biswal, J[Biswal, J.]; Bondar, A[Bondar, A.]; Bonvicini, G[Bonvicini, G.]; Bozek, A[Bozek, A.]; Bracko, M[Bracko, M.]; Browder, TE[Browder, T. E.]; Cao, L[Cao, L.]; Cervenkov, D[Cervenkov, D.]; Chekelian, V[Chekelian, V.]; Chen, A[Chen, A.]; Cheon, BG[Cheon, B. G.]; Chilikin, K[Chilikin, K.]; Cho, K[Cho, K.]; Choi, SK[Choi, S-K.]; Choi, Y[Choi, Y.]; Choudhury, S[Choudhury, S.]; Cinabro, D[Cinabro, D.]; Cunliffe, S[Cunliffe, S.]; Dash, N[Dash, N.]; Di Carlo, S[Di Carlo, S.]; Dingfelder, J[Dingfelder, J.]; Dolezal, Z[Dolezal, Z.]; Dong, TV[Dong, T. V.]; Drasal, Z[Drasal, Z.]; Eidelman, S[Eidelman, S.]; Epifanov, D[Epifanov, D.]; Fast, JE[Fast, J. E.]; Ferber, T[Ferber, T.]; Garg, R[Garg, R.]; Gaur, V[Gaur, V.]; Gabyshev, N[Gabyshev, N.]; Garmash, A[Garmash, A.]; Gelb, M[Gelb, M.]; Giri, A[Giri, A.]; Goldenzweig, P[Goldenzweig, P.]; Guido, E[Guido, E.]; Haba, J[Haba, J.]; Hayasaka, K[Hayasaka, K.]; Hayashii, H[Hayashii, H.]; Hirose, S[Hirose, S.]; Hou, WS[Hou, W-S.]; Iijima, T[Iijima, T.]; Inami, K[Inami, K.]; Inguglia, G[Inguglia, G.]; Ishikawa, A[Ishikawa, A.]; Itoh, R[Itoh, R.]; Iwasaki, M[Iwasaki, M.]; Iwasaki, Y[Iwasaki, Y.]; Jacobs, WW[Jacobs, W. W.]; Jeon, HB[Jeon, H. B.]; Jia, S[Jia, S.]; Jin, Y[Jin, Y.]; Joffe, D[Joffe, D.]; Joo, KK[Joo, K. K.]; Julius, T[Julius, T.]; Kawasaki, T[Kawasaki, T.]; Kichimi, H[Kichimi, H.]; Kiesling, C[Kiesling, C.]; Kim, DY[Kim, D. Y.]; Kim, HJ[Kim, H. J.]; Kim, JB[Kim, J. B.]; Kim, KT[Kim, K. T.]; Kim, SH[Kim, S. H.]; Kinoshita, K[Kinoshita, K.]; Kodys, P[Kodys, P.]; Korpar, S[Korpar, S.]; Kotchetkov, D[Kotchetkov, D.]; Krizan, P[Krizan, P.]; Kroeger, R[Kroeger, R.]; Krokovny, P[Krokovny, P.]; Kuhr, T[Kuhr, T.]; Kulasiri, R[Kulasiri, R.]; Kuzmin, A[Kuzmin, A.]; Kwon, YJ[Kwon, Y-J.]; Lange, JS[Lange, J. S.]; Lee, IS[Lee, I. S.]; Lee, SC[Lee, S. C.]; Li, LK[Li, L. K.]; Li, YB[Li, Y. B.]; Gioi, LL[Gioi, L. Li]; Libby, J[Libby, J.]; Liventsev, D[Liventsev, D.]; Lubej, M[Lubej, M.]; Luo, T[Luo, T.]; Masuda, M[Masuda, M.]; Matsuda, T[Matsuda, T.]; Matvienko, D[Matvienko, D.]; Merola, M[Merola, M.]; Miyabayashi, K[Miyabayashi, K.]; Miyata, H[Miyata, H.]; Mizuk, R[Mizuk, R.]; Mohanty, GB[Mohanty, G. B.]; Moon, HK[Moon, H. K.]; Mori, T[Mori, T.]; Mussa, R[Mussa, R.]; Nakao, M[Nakao, M.]; Nanut, T[Nanut, T.]; Nath, KJ[Nath, K. J.]; Natkaniec, Z[Natkaniec, Z.]; Nayak, M[Nayak, M.]; Niiyama, M[Niiyama, M.]; Nisar, NK[Nisar, N. K.]; Nishida, S[Nishida, S.]; Ogawa, S[Ogawa, S.]; Okuno, S[Okuno, S.]; Ono, H[Ono, H.]; Pakhlov, P[Pakhlov, P.]; Pakhlova, G[Pakhlova, G.]; Pal, B[Pal, B.]; Pardi, S[Pardi, S.]; Park, H[Park, H.]; Paul, S[Paul, S.]; Pestotnik, R[Pestotnik, R.]; Piilonen, LE[Piilonen, L. E.]; Popov, V[Popov, V.]; Prencipe, E[Prencipe, E.]; Rabusov, A[Rabusov, A.]; Ritter, M[Ritter, M.]; Rostomyan, A[Rostomyan, A.]; Russo, G[Russo, G.]; Sakai, Y[Sakai, Y.]; Salehi, M[Salehi, M.]; Sandilya, S[Sandilya, S.]; Santelj, L[Santelj, L.]; Sanuki, T[Sanuki, T.]; Savinov, V[Savinov, V.]; Schneider, O[Schneider, O.]; Schnell, G[Schnell, G.]; Schwanda, C[Schwanda, C.]; Seino, Y[Seino, Y.]; Senyo, K[Senyo, K.]; Sevior, ME[Sevior, M. E.]; Shebalin, V[Shebalin, V.]; Shen, CP[Shen, C. P.]; Shibata, TA[Shibata, T-A.]; Shiu, JG[Shiu, J-G.]; Shwartz, B[Shwartz, B.]; Simon, F[Simon, F.]; Singh, JB[Singh, J. B.]; Sokolov, A[Sokolov, A.]; Solovieva, E[Solovieva, E.]; Staric, M[Staric, M.]; Strube, JF[Strube, J. F.]; 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.]; Uchida, M[Uchida, M.]; Uglov, T[Uglov, T.]; Unno, Y[Unno, Y.]; Uno, S[Uno, S.]; Urquijo, P[Urquijo, P.]; Vahsen, SE[Vahsen, S. E.]; Van Hulse, C[Van Hulse, C.]; Van Tonder, R[Van Tonder, R.]; Varner, G[Varner, G.]; Vinokurova, A[Vinokurova, A.]; Vorobyev, V[Vorobyev, V.]; Vossen, A[Vossen, A.]; Wang, B[Wang, B.]; Wang, CH[Wang, C. H.]; Wang, P[Wang, P.]; Wang, XL[Wang, X. L.]; Watanabe, M[Watanabe, M.]; Watanuki, S[Watanuki, S.]; Widmann, E[Widmann, E.]; Won, E[Won, E.]; Ye, H[Ye, H.]; Yin, JH[Yin, J. H.]; Yuan, CZ[Yuan, C. Z.]; Zhang, ZP[Zhang, Z. P.]; Zhilich, V[Zhilich, V.]; Zhukova, V[Zhukova, V.]; Zhulanov, V[Zhulanov, V.]; Zupanc, A[Zupanc, A.]; Belle Collaboration[Belle Collaboration]
- Issue Date
- 3-Dec-2018
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW LETTERS, v.121, no.23
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW LETTERS
- Volume
- 121
- Number
- 23
- ISSN
- 0031-9007
- Abstract
- We report the observation of gamma(2S) -> gamma eta(b)(1S) based on an analysis of the inclusive photon spectrum of 24.7 fb(-1) of e(+)e(-) collisions at the gamma(2s) center-of-mass energy collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We measure a branching fraction of B [gamma(2S) -> gamma eta(b)(1S)] = (6.1(-0.7-0.6)(+0.6+0.9) x 10(-4) and derive an eta(b) (1S) mass of 9394.8(-3.1-2.7)(+2.7+4.5) MeV/c(2), where the uncertainties are statistical and systematic, respectively. The significance of our measurement is greater than 7 standard deviations, constituting the first observation of this decay mode.
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Collections - Science > Department of Physics > 1. Journal Articles
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