Observation of χc2 → η′η′ and χc0,2 → ηη′

被引：0

作者：

Ablikim, M. ^{[1
]}

Achasov, M. N. ^{[9
,70
]}

Ahmed, S. ^{[14
]}

Albrecht, M. ^{[4
]}

Amoroso, A. ^{[60
,62
]}

An, F. F. ^{[1
]}

An, Q. ^{[43
,44
,57
]}

Bai, J. Z. ^{[1
]}

Bai, Y. ^{[42
]}

Bakina, O. ^{[27
]}

Ferroli, R. Baldini ^{[20
]}

Ban, Y. ^{[35
]}

Bennett, D. W. ^{[19
]}

Bennett, J. V. ^{[5
]}

Berger, N. ^{[26
]}

Bertani, M. ^{[20
]}

Bettoni, D. ^{[23
]}

Bian, J. M. ^{[54
]}

Bianchi, F. ^{[60
,62
]}

Boger, E. ^{[27
,68
]}

Boyko, I. ^{[27
]}

Briere, R. A. ^{[5
]}

Cai, H. ^{[64
]}

Cai, X. ^{[1
,43
,44
]}

Cakir, O. ^{[47
]}

Calcaterra, A. ^{[20
]}

Cao, G. F. ^{[1
,51
]}

Cetin, S. A. ^{[48
]}

Chai, J. ^{[62
]}

Chang, J. F. ^{[1
,43
,44
]}

Chelkov, G. ^{[27
,68
,69
]}

Chen, G. ^{[1
]}

Chen, H. S. ^{[1
,51
]}

Chen, J. C. ^{[1
]}

Chen, M. L. ^{[1
]}

Chen, S. J. ^{[33
]}

Chen, X. R. ^{[30
]}

Chen, Y. B. ^{[1
,43
,44
]}

Chu, X. K. ^{[35
]}

Cibinetto, G. ^{[23
]}

Dai, H. L. ^{[1
,43
,44
]}

Dai, J. P. ^{[38
,74
,75
,76
]}

Dbeyssi, A. ^{[14
]}

Dedovich, D. ^{[27
]}

Deng, Z. Y. ^{[1
]}

Denig, A. ^{[26
]}

Denysenko, I. ^{[27
]}

Destefanis, M. ^{[60
,62
]}

De Mori, F. ^{[60
,62
]}

Ding, Y. ^{[31
]}

机构：

[1] Inst High Energy Phys, Beijing 100049, Peoples R China

[2] Beihang Univ, Beijing 100191, Peoples R China

[3] Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China

[4] Bochum Ruhr Univ, D-44780 Bochum, Germany

[5] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[6] Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China

[7] China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China

[8] COMSATS Inst Informat Technol, Def Rd,Raiwind Rd, Lahore 54000, Pakistan

[9] GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia

[10] GSI Helmholtz Ctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany

[11] Guangxi Normal Univ, Guilin 541004, Peoples R China

[12] Guangxi Univ, Nanning 530004, Peoples R China

[13] Hangzhou Normal Univ, Hangzhou 310036, Zhejiang, Peoples R China

[14] Helmholtz Inst Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany

[15] Henan Normal Univ, Xinxiang 453007, Peoples R China

[16] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China

[17] Huangshan Coll, Huangshan 245000, Peoples R China

[18] Hunan Univ, Changsha 410082, Hunan, Peoples R China

[19] Indiana Univ, Bloomington, IN 47405 USA

[20] INFN, Lab Nazl Frascati, I-00044 Frascati, Italy

[21] INFN, I-06100 Perugia, Italy

[22] Univ Perugia, I-06100 Perugia, Italy

[23] INFN, Sez Ferrara, I-44122 Ferrara, Italy

[24] Univ Ferrara, I-44122 Ferrara, Italy

[25] Inst Phys & Technol, Peace Ave 54B, Ulaanbaatar 13330, Mongolia

[26] Johannes Gutenberg Univ Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany

[27] Joint Inst Nucl Res, Moscow 141980, Russia

[28] Justus Liebig Univ Giessen, Phys Inst 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany

[29] Univ Groningen, KVI CART, NL-9747 AA Groningen, Netherlands

[30] Lanzhou Univ, Lanzhou 730000, Gansu, Peoples R China

[31] Liaoning Univ, Shenyang 110036, Liaoning, Peoples R China

[32] Nanjing Normal Univ, Nanjing 210023, Jiangsu, Peoples R China

[33] Nanjing Univ, Nanjing 210093, Jiangsu, Peoples R China

[34] Nankai Univ, Tianjin 300071, Peoples R China

[35] Peking Univ, Beijing 100871, Peoples R China

[36] Seoul Natl Univ, Seoul 151747, South Korea

[37] Shandong Univ, Jinan 250100, Shandong, Peoples R China

[38] Shanghai Jiao Tong Univ, Shanghai 200240, Peoples R China

[39] Shanxi Univ, Taiyuan 030006, Shanxi, Peoples R China

[40] Sichuan Univ, Chengdu 610064, Sichuan, Peoples R China

[41] Sichuan Univ, Chengdu 610064, Sichuan, Peoples R China

[42] Southeast Univ, Nanjing 211100, Jiangsu, Peoples R China

[43] State Key Lab Particle Detect & Elect, Beijing 230026, Anhui, Peoples R China

[44] State Key Lab Particle Detect & Elect, Hefei 230026, Anhui, Peoples R China

[45] Sun Yat Sen Univ, Guangzhou 510275, Guangdong, Peoples R China

[46] Tsinghua Univ, Beijing 100084, Peoples R China

[47] Ankara Univ, TR-06100 Ankara, Turkey

[48] Istanbul Bilgi Univ, TR-34060 Istanbul, Turkey

[49] Uludag Univ, TR-16059 Bursa, Turkey

[50] Near East Univ, TR-10 Nicosia, North Cyprus, Turkey

来源：

PHYSICAL REVIEW D | 2017年 / 96卷 / 11期

基金：

瑞典研究理事会; 新加坡国家研究基金会; 中国国家自然科学基金;

关键词：

DECAY;

D O I：

10.1103/PhysRevD.96.112006

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using a sample of 448.1 x 10(6) Psi(3686) events collected with the BESIII detector in 2009 and 2012, we study the decays chi(c0,2) -> eta 'eta ' and eta eta '. The decays chi(c2) -> eta 'eta ', chi(c0) -> eta eta ' and chi(c2) -> eta eta ' are observed for the first time with statistical significances of 9.6 sigma, 13.4 sigma and 7.5 sigma, respectively. The branching fractions are determined to be B(chi(c0) -> eta 'eta ') = (2.19 +/- 0.03 +/- 0.14) x 10(-3), B(chi(c2) -> eta 'eta ') = (4.76 +/- 0.56 +/- 0.38) x 10(-5), B(chi(c0) -> eta eta ') = (8.92 +/- 0.84 +/- 0.65) x 10(-5) and B(chi(c2) -> eta eta ') = (2.27 +/- 0.43 +/- 0.25) x 10(-5), where the first uncertainties are statistical and the second are systematic. The precision for the measurement of B(chi(c0) -> eta 'eta ') thorn is significantly improved compared to previous measurements. Based on the measured branching fractions, the role played by the doubly and singly Okubo-Zweig-Iizuka disconnected transition amplitudes for chi(c0,2) decays into pseudoscalar meson pairs can be clarified.

引用

页数：8

共 50 条

[31] Observation of ψ(3770)→γχc0
Briere, R. A.
Brock, I.
Chen, J.
Ferguson, T.
Tatishvili, G.
Vogel, H.
Watkins, M. E.
Rosner, J. L.
Adam, N. E.
Alexander, J. P.
Berkelman, K.
Cassel, D. G.
Duboscq, J. E.
Ecklund, K. M.
Ehrlich, R.
Fields, L.
Galik, R. S.
Gibbons, L.
Gray, R.
Gray, S. W.
Hartill, D. L.
Heltsley, B. K.
Hertz, D.
Jones, C. D.
Kandaswamy, J.
Kreinick, D. L.
Kuznetsov, V. E.
Mahlke-Kruger, H.
Meyer, T. O.
Onyisi, P. U. E.
Patterson, J. R.
Peterson, D.
Pivarski, J.
Riley, D.
Ryd, A.
Sadoff, A. J.
Schwarthoff, H.
Shi, X.
Stroiney, S.
Sun, W. M.
Wilksen, T.
Weinberger, M.
Athar, S. B.
Patel, R.
Potlia, V.
Stoeck, H.
Yelton, J.
Rubin, P.
Cawlfield, C.
Eisenstein, B. I.
PHYSICAL REVIEW D, 2006, 74 (03)
[32] UNITS OF Z(Cp x C2) AND Z(Cp x C2 x C2)
Ferraz, Raul Antonio
Marcuz, Renata
COMMUNICATIONS IN ALGEBRA, 2016, 44 (02) : 851 - 872
[33] COUPLED-CLUSTER CALCULATIONS ON THE C2 MOLECULE AND THE C2(+) AND C2(-) MOLECULAR-IONS
WATTS, JD
BARTLETT, RJ
JOURNAL OF CHEMICAL PHYSICS, 1992, 96 (08): : 6073 - 6084
[34] Measurement of the relative rate of prompt χc0, χc1 and χc2 production at √s=7 TeV
Aaij, R.
Adeva, B.
Adinolfi, M.
Adrover, C.
Affolder, A.
Ajaltouni, Z.
Albrecht, J.
Alessio, F.
Alexander, M.
Ali, S.
Alkhazov, G.
Alvarez Cartelle, P.
Alves, A. A., Jr.
Amato, S.
Amerio, S.
Amhis, Y.
Anderlini, L.
Anderson, J.
Andreassen, R.
Andrews, J. E.
Appleby, R. B.
Gutierrez, O. Aquines
Archilli, F.
Artamonov, A.
Artuso, M.
Aslanides, E.
Auriemma, G.
Baalouch, M.
Bachmann, S.
Back, J. J.
Baesso, C.
Balagura, V.
Baldini, W.
Barlow, R. J.
Barschel, C.
Barsuk, S.
Barter, W.
Bauer, Th
Bay, A.
Beddow, J.
Bedeschi, F.
Bediaga, I.
Belogurov, S.
Belous, K.
Belyaev, I.
Ben-Haim, E.
Bencivenni, G.
Benson, S.
Benton, J.
Berezhnoy, A.
JOURNAL OF HIGH ENERGY PHYSICS, 2013, (10):
[35] B→χc0,2K decays:: A model estimation
Pham, TN
Zhu, GH
PHYSICS LETTERS B, 2005, 619 (3-4) : 313 - 321
[36] RATIONALE FOR NEORAL C0 AND C2 MONITORING IN INFANTS IN THE EARLY POST LIVER TRANSPLANTATION PERIOD
Furlan, Valerie
Lykavieris, Panayotis
Maubert, Marie-Anne
Habes, Dalila
Debray, Dominique
TRANSPLANT INTERNATIONAL, 2009, 22 : 339 - 339
[37] Observation of e+ e- → γχc1 and search for e+ e- → γχc0, γχc2, and γηc at √s near 10.6 GeV at Belle
Jia, S.
Wang, X. L.
Shen, C. P.
Yuan, C. Z.
Adachi, I.
Aihara, H.
Al Said, S.
Asner, D. M.
Atmacan, H.
Aulchenko, V.
Aushev, T.
Ayad, R.
Babu, V.
Bansal, V.
Behera, P.
Beleno, C.
Berger, M.
Bhuyan, B.
Bilka, T.
Biswal, J.
Bobrov, A.
Bozek, A.
Bracko, M.
Browder, T. E.
Cao, L.
Cervenkov, D.
Chang, P.
Chekelian, V.
Chen, A.
Cheon, B. G.
Chilikin, K.
Cho, K.
Choi, S. -K.
Choi, Y.
Choudhury, S.
Cinabro, D.
Cunliffe, S.
Dash, N.
Di Carlo, S.
Dolezal, Z.
Dong, T. V.
Eidelman, S.
Epifanov, D.
Fast, J. E.
Ferber, T.
Frey, A.
Fulsom, B. G.
Garg, R.
Gaur, V.
Gabyshev, N.
PHYSICAL REVIEW D, 2018, 98 (09)
[38] Charmonium χ c0 and χ c2 resonances in coupled-channel scattering from lattice QCD
Wilson, David J.
Thomas, Christopher E.
Dudek, Jozef J.
Edwards, Robert G.
PHYSICAL REVIEW D, 2024, 109 (11)
[39] Comparison of Neoral® dose monitoring with C0 and C2 in stable renal tranplant patients.
Marcen, R
Tato, AM
Pascual, J
Merino, JL
Villafruela, JJ
Teruel, JL
Rivera, ME
Burgos, FJ
Ortuno, J
JOURNAL OF THE AMERICAN SOCIETY OF NEPHROLOGY, 2002, 13 : 370A - 371A
[40] New measurement of exclusive decays of the χc0 and χc2 to two-meson final states
Asner, D. M.
Edwards, K. W.
Reed, J.
Robichaud, A. N.
Tatishvili, G.
Briere, R. A.
Vogel, H.
Onyisi, P. U. E.
Rosner, J. L.
Alexander, J. P.
Cassel, D. G.
Duboscq, J. E.
Ehrlich, R.
Fields, L.
Galik, R. S.
Gibbons, L.
Gray, R.
Gray, S. W.
Hartill, D. L.
Heltsley, B. K.
Hertz, D.
Hunt, J. M.
Kandaswamy, J.
Kreinick, D. L.
Kuznetsov, V. E.
Ledoux, J.
Mahlke-Krueger, H.
Mohapatra, D.
Patterson, J. R.
Peterson, D.
Riley, D.
Ryd, A.
Sadoff, A. J.
Shi, X.
Stroiney, S.
Sun, W. M.
Wilksen, T.
Athar, S. B.
Yelton, J.
Rubin, P.
Mehrabyan, S.
Lowrey, N.
Selen, M.
White, E. J.
Wiss, J.
Mitchell, R. E.
Shepherd, M. R.
Besson, D.
Pedlar, T. K.
Cronin-Hennessy, D.
PHYSICAL REVIEW D, 2009, 79 (07):

← 1 2 3 4 5 →