Study of e+e- → γωJ/ψ and Observation of X(3872) → ωJ/ψ

被引:64
作者
Ablikim, M. [1 ]
Achasov, M. N. [10 ,76 ]
Adlarson, P. [68 ]
Ahmed, S. [15 ]
Albrecht, M. [4 ]
Alekseev, M. [65 ,67 ]
Amoroso, A. [65 ,67 ]
An, F. F. [1 ]
An, Q. [46 ,47 ,62 ]
Bai, Y. [45 ]
Bakina, O. [30 ]
Ferroli, R. Baldini [23 ]
Ban, Y. [38 ]
Begzsuren, K. [28 ]
Bennett, J., V [5 ]
Berger, N. [29 ]
Bertani, M. [23 ]
Bettoni, D. [26 ]
Bianchi, F. [65 ,67 ]
Biernat, J. [68 ]
Bloms, J. [59 ]
Boyko, I [30 ]
Briere, R. A. [5 ]
Cai, H. [69 ]
Cai, X. [1 ,46 ,47 ]
Calcaterra, A. [23 ]
Cao, G. F. [1 ,54 ]
Cao, N. [1 ,54 ]
Cetin, S. A. [51 ]
Chai, J. [67 ]
Chang, J. F. [52 ]
Chang, W. L. [1 ,54 ]
Chelkov, G. [30 ,74 ,75 ]
Chen, D. Y. [6 ]
Chen, G. [1 ]
Chen, H. S. [1 ,54 ]
Chen, J. C. [1 ,50 ]
Chen, M. L. [1 ,46 ,47 ]
Chen, S. J. [36 ]
Chen, Y. B. [1 ,46 ,47 ]
Cheng, W. [67 ]
Cibinetto, G. [26 ]
Cossio, F. [67 ]
Cui, X. F. [37 ]
Dai, H. L. [1 ,46 ,47 ]
Dai, J. P. [41 ,80 ]
Dai, X. C. [1 ,54 ]
Dbeyssi, A. [15 ]
Dedovich, D. [30 ]
Deng, Z. Y. [1 ]
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 Univ Islamabad, Lahore Campus,Def Rd,Off Raiwind Rd, Lahore 54000, Pakistan
[9] Fudan Univ, Shanghai 200443, Peoples R China
[10] GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia
[11] GSI Helmholtzctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany
[12] Guangxi Normal Univ, Guilin 541004, Peoples R China
[13] Guangxi Univ, Nanning 530004, Peoples R China
[14] Hangzhou Normal Univ, Hangzhou 310036, Zhejiang, Peoples R China
[15] Helmholtz Inst Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany
[16] Henan Normal Univ, Xinxiang 453007, Henan, Peoples R China
[17] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China
[18] Huangshan Coll, Huangshan 245000, Peoples R China
[19] Hunan Normal Univ, Changsha 410081, Hunan, Peoples R China
[20] Hunan Univ, Changsha 410082, Hunan, Peoples R China
[21] Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India
[22] Indiana Univ, Bloomington, IN 47405 USA
[23] INFN Lab Nazionali Frascati, I-0044 Frascati, Italy
[24] INFN, I-06100 Ferrara, Italy
[25] Univ Perugia, I-06100 Ferrara, Italy
[26] INFN, Sez Ferrara, I-44122 Ferrara, Italy
[27] Univ Ferrara, I-44122 Ferrara, Italy
[28] Inst Phys & Technol, Peace Ave 54B, Ulaanbaatar 13330, Mongolia
[29] Johannes Gutenberg Univ Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany
[30] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[31] Justus Liebig Univ Giessen, Phys Inst 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany
[32] Univ Groningen, KVI Cart, NL-9747 AA Groningen, Netherlands
[33] Lanzhou Univ, Lanzhou 730000, Gansu, Peoples R China
[34] Liaoning Univ, Shenyang 110036, Liaoning, Peoples R China
[35] Nanjing Normal Univ, Nanjing 210023, Jiangsu, Peoples R China
[36] Nanjing Univ, Nanjing 210093, Jiangsu, Peoples R China
[37] Nankai Univ, Tianjin 300071, Peoples R China
[38] Peking Univ, Beijing 100871, Peoples R China
[39] Shandong Normal Univ, Jinan 250014, Shandong, Peoples R China
[40] Shandong Univ, Jinan 250100, Shandong, Peoples R China
[41] Shanghai Jiao Tong Univ, Shanghai 200240, Peoples R China
[42] Shanxi Univ, Taiyuan 030006, Shanxi, Peoples R China
[43] Sichuan Univ, Chengdu 610064, Sichuan, Peoples R China
[44] Soochow Univ, Suzhou 215006, Peoples R China
[45] Southeast Univ, Nanjing 211100, Jiangsu, Peoples R China
[46] State Key Laborawry 4O4f Particle Detect & Elect, Beijing 100049, Peoples R China
[47] State Key Laborawry 4O4f Particle Detect & Elect, Hefei 230026, Anhui, Peoples R China
[48] Sun Yat Sen Univ, Guangzhou 510275, Guangdong, Peoples R China
[49] Tsin Hua Univ, Beijing 100084, Peoples R China
[50] Ankara Univ, TR-06100 Ankara, Turkey
基金
中国国家自然科学基金; 瑞典研究理事会;
关键词
DECAY;
D O I
10.1103/PhysRevLett.122.232002
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study the e(+)e(-) -> gamma omega J/psi process using 11.6 fb(-1) e(+)e(-) annihilation data taken at center-of-mass energies from root s = 4.008 GeV to 4.600 GeV with the BESIII detector at the BEPCII storage ring. The X(3872) resonance is observed for the first time in the omega J/psi system with a significance of more than 5 sigma. The relative decay ratio of X(3872) -> omega J/psi and pi(+)pi(-)J/psi is measured to be R = 1.6(-0.3)(+0.4) +/- 0.2, where the first uncertainty is statistical and the second systematic (the same hereafter). The root s-dependent cross section of e(+)e(-) -> gamma X(3872) is also measured and investigated, and it can be described by a single Breit- Wigner resonance, referred to as the Y(4200), with a mass of 4200.6(-13.3)(+7.9) +/- 3.0 MeV/c(2) and a width of 115(-26)(+38) +/- 12 MeV. In addition, to describe the omega J/psi mass distribution above 3.9 GeV/c(2), we need at least one additional Breit-Wigner resonance, labeled as X(3915), in the fit. The mass and width of the X(3915) are determined. The resonant parameters of the X(3915) agree with those of the Y(3940) in B -> K omega J/psi and of the X(3915) in gamma gamma -> omega J/psi observed by the Belle and BABAR experiments within errors.
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页数:8
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共 40 条
[1]   Determination of the X(3872) Meson Quantum Numbers [J].
Aaij, R. ;
Abellan Beteta, C. ;
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. ;
Appleby, R. B. ;
Gutierrez, O. Aquines ;
Archilli, F. ;
Artamonov, A. ;
Artuso, M. ;
Aslanides, E. ;
Auriemma, G. ;
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. ;
Benayoun, M. ;
Bencivenni, G. ;
Benson, S. ;
Benton, J. ;
Berezhnoy, A. .
PHYSICAL REVIEW LETTERS, 2013, 110 (22)
[2]   Observation and properties of the X(3872) decaying to J/ψπ+π- in p(p)over-bar collisions at √s=1.96 TeV -: art. no. 162002 [J].
Abazov, VM ;
Abbott, B ;
Abolins, M ;
Acharya, BS ;
Adams, DL ;
Adams, M ;
Adams, T ;
Agelou, M ;
Agram, JL ;
Ahmed, SN ;
Ahn, SH ;
Alexeev, GD ;
Alkhazov, G ;
Alton, A ;
Alverson, G ;
Alves, GA ;
Anderson, S ;
Andrieu, B ;
Arnoud, Y ;
Askew, A ;
Åsman, B ;
Autermann, C ;
Avila, C ;
Babukhadia, L ;
Bacon, TC ;
Baden, A ;
Baffioni, S ;
Baldin, B ;
Balm, PW ;
Banerjee, S ;
Barberis, E ;
Bargassa, P ;
Baringer, P ;
Barnes, C ;
Barreto, J ;
Bartlett, JF ;
Bassler, U ;
Bauer, D ;
Bean, A ;
Beauceron, S ;
Beaudette, F ;
Begel, M ;
Beri, SB ;
Bernardi, G ;
Bertram, I ;
Besançon, M ;
Besson, A ;
Beuselinck, R ;
Bezzubov, VA ;
Bhat, PC .
PHYSICAL REVIEW LETTERS, 2004, 93 (16) :162002-1
[3]  
ABE K, ARXIVHEPEX0505037 BE
[4]   Design and construction of the BESIII detector [J].
Ablikim, M. ;
An, Z. H. ;
Bai, J. Z. ;
Berger, Niklaus ;
Bian, J. M. ;
Cai, X. ;
Cao, G. F. ;
Cao, X. X. ;
Chang, J. F. ;
Chen, C. ;
Chen, G. ;
Chen, H. C. ;
Chen, H. X. ;
Chen, J. ;
Chen, J. C. ;
Chen, L. P. ;
Chen, P. ;
Chen, X. H. ;
Chen, Y. B. ;
Chen, M. L. ;
Chu, Y. P. ;
Cui, X. Z. ;
Dai, H. L. ;
Deng, Z. Y. ;
Dong, M. Y. ;
Du, S. X. ;
Du, Z. Z. ;
Fang, J. ;
Fu, C. D. ;
Gao, C. S. ;
Gong, M. Y. ;
Gong, W. X. ;
Gu, S. D. ;
Guan, B. J. ;
Guan, J. ;
Guo, Y. N. ;
Han, J. F. ;
He, K. L. ;
He, M. ;
He, X. ;
Heng, Y. K. ;
Hou, Z. L. ;
Hu, H. M. ;
Hu, T. ;
Huang, B. ;
Huang, J. ;
Huang, S. K. ;
Huang, Y. P. ;
Ji, Q. ;
Ji, X. B. .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2010, 614 (03) :345-399
[5]   Search for the rare decay D+ → D0e+νe [J].
Ablikim, M. ;
Achasov, M. N. ;
Ahmed, S. ;
Ai, X. C. ;
Albayrak, O. ;
Albrecht, M. ;
Ambrose, D. J. ;
Amoroso, A. ;
An, F. F. ;
An, Q. ;
Bai, J. Z. ;
Bakina, O. ;
Ferroli, R. Baldini ;
Ban, Y. ;
Bennett, D. W. ;
Bennett, J. V. ;
Berger, N. ;
Bertani, M. ;
Bettoni, D. ;
Bian, J. M. ;
Bianchi, F. ;
Boger, E. ;
Boyko, I. ;
Briere, R. A. ;
Cai, H. ;
Cai, X. ;
Cakir, O. ;
Calcaterra, A. ;
Cao, G. F. ;
Cetin, S. A. ;
Chai, J. ;
Chang, J. F. ;
Chelkov, G. ;
Chen, G. ;
Chen, H. S. ;
Chen, J. C. ;
Chen, M. L. ;
Chen, S. ;
Chen, S. J. ;
Chen, X. ;
Chen, X. R. ;
Chen, Y. B. ;
Chu, X. K. ;
Cibinetto, G. ;
Dai, H. L. ;
Dai, J. P. ;
Dbeyssi, A. ;
Dedovich, D. ;
Deng, Z. Y. ;
Denig, A. .
PHYSICAL REVIEW D, 2017, 96 (09)
[6]   Precise Measurement of the e+e- →π+π- J/ψ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV [J].
Ablikim, M. ;
Achasov, M. N. ;
Ahmed, S. ;
Ai, X. C. ;
Albayrak, O. ;
Albrecht, M. ;
Ambrose, D. J. ;
Amoroso, A. ;
An, F. F. ;
An, Q. ;
Bai, J. Z. ;
Bakina, O. ;
Ferroli, R. Baldini ;
Ban, Y. ;
Bennett, D. W. ;
Bennett, J. V. ;
Berger, N. ;
Bertani, M. ;
Bettoni, D. ;
Bian, J. M. ;
Bianchi, F. ;
Boger, E. ;
Boyko, I. ;
Briere, R. A. ;
Cai, H. ;
Cai, X. ;
Cakir, O. ;
Calcaterra, A. ;
Cao, G. F. ;
Cetin, S. A. ;
Chai, J. ;
Chang, J. F. ;
Chelkov, G. ;
Chen, G. ;
Chen, H. S. ;
Chen, J. C. ;
Chen, M. L. ;
Chen, S. ;
Chen, S. J. ;
Chen, X. ;
Chen, X. R. ;
Chen, Y. B. ;
Chu, X. K. ;
Cibinetto, G. ;
Dai, H. L. ;
Dai, J. P. ;
Dbeyssi, A. ;
Dedovich, D. ;
Deng, Z. Y. ;
Denig, A. .
PHYSICAL REVIEW LETTERS, 2017, 118 (09)
[7]   Measurement of the absolute branching fraction of D| → (K)over-bar0e| νe via (K)over-bar0 → π0π0 [J].
Ablikim, M. ;
Achasov, N. ;
Ai, X. C. ;
Albayrak, O. ;
Albrecht, M. ;
Ambrose, D. J. ;
Amoroso, A. ;
An, F. F. ;
An, Q. ;
Bai, J. Z. ;
Ferroli, R. Baldini ;
Ban, Y. ;
Bennett, D. W. ;
Bennett, J. V. ;
Bertani, M. ;
Bettonin, D. ;
Bian, J. M. ;
Bianchi, F. ;
Boger, E. ;
Boyko, I. ;
Briere, R. A. ;
Cai, H. ;
Cai, X. ;
Cakir, O. ;
Caleaterra, A. ;
Cao, G. F. ;
Cetin, S. A. ;
Chang, J. F. ;
Chelkov, G. ;
Chen, G. ;
Chen, H. S. ;
Chen, H. Y. ;
Chen, J. C. ;
Chen, M. L. ;
Chen, S. ;
Chen, S. J. ;
Chen, X. ;
Chen, X. R. ;
Chen, Y. B. ;
Cheng, H. P. ;
Chu, X. K. ;
Cibinetto, G. ;
Dai, H. L. ;
Dai, J. P. ;
Dbeyssi, A. ;
Dedovich, D. ;
Deng, Z. Y. ;
Denig, A. ;
Denysenko, I. ;
Destefanis, M. .
CHINESE PHYSICS C, 2016, 40 (11)
[8]   Precision measurement of the integrated luminosity of the data taken by BESIII at center-of-mass energies between 3.810 GeV and 4.600 GeV [J].
Ablikim, M. ;
Achasov, M. N. ;
Ai, X. C. ;
Albayrak, O. ;
Albrecht, M. ;
Ambrose, D. J. ;
Amoroso, A. ;
An, F. F. ;
An, Q. ;
Bai, J. Z. ;
Ferroli, R. Baldini ;
Ban, Y. ;
Bennett, D. W. ;
Bennett, J. V. ;
Bertani, M. ;
Bettoni, D. ;
Bian, J. M. ;
Bianchi, F. ;
Boger, E. ;
Bondarenko, O. ;
Boyko, I. ;
Briere, R. A. ;
Cai, H. ;
Cai, X. ;
Cakir, O. ;
Calcaterra, A. ;
Cao, G. F. ;
Cetin, S. A. ;
Chang, J. F. ;
Chelkov, G. ;
Chen, G. ;
Chen, H. S. ;
Chen, H. Y. ;
Chen, J. C. ;
Chen, M. L. ;
Chen, S. J. ;
Chen, X. ;
Chen, X. R. ;
Chen, Y. B. ;
Cheng, H. P. ;
Chu, X. K. ;
Cibinetto, G. ;
Cronin-Hennessy, D. ;
Dai, H. L. ;
Dai, J. P. ;
Dbeyssi, A. ;
Dedovich, D. ;
Deng, Z. Y. ;
Denig, A. ;
Denysenko, I. .
CHINESE PHYSICS C, 2015, 39 (09)
[9]   Study of e+e- → ωχcJ at Center of Mass Energies from 4.21 to 4.42 GeV [J].
Ablikim, M. ;
Achasov, M. N. ;
Ai, X. C. ;
Albayrak, O. ;
Albrecht, M. ;
Ambrose, D. J. ;
Amoroso, A. ;
An, F. F. ;
An, Q. ;
Bai, J. Z. ;
Ferroli, R. Baldini ;
Ban, Y. ;
Bennett, D. W. ;
Bennett, J. V. ;
Bertani, M. ;
Bettoni, D. ;
Bian, J. M. ;
Bianchi, F. ;
Boger, E. ;
Bondarenko, O. ;
Boyko, I. ;
Briere, R. A. ;
Cai, H. ;
Cai, X. ;
Cakir, O. ;
Calcaterra, A. ;
Cao, G. F. ;
Cetin, S. A. ;
Chang, J. F. ;
Chelkov, G. ;
Chen, G. ;
Chen, H. S. ;
Chen, H. Y. ;
Chen, J. C. ;
Chen, M. L. ;
Chen, S. J. ;
Chen, X. ;
Chen, X. R. ;
Chen, Y. B. ;
Cheng, H. P. ;
Chu, X. K. ;
Chu, Y. P. ;
Cibinetto, G. ;
Cronin-Hennessy, D. ;
Dai, H. L. ;
Dai, J. P. ;
Dedovich, D. ;
Deng, Z. Y. ;
Denig, A. ;
Denysenko, I. .
PHYSICAL REVIEW LETTERS, 2015, 114 (09)
[10]   Observation of e+e- → γX(3872) at BESIII [J].
Ablikim, M. ;
Achasov, M. N. ;
Ai, X. C. ;
Albayrak, O. ;
Ambrose, D. J. ;
An, F. F. ;
An, Q. ;
Bai, J. Z. ;
Ferroli, R. Baldini ;
Ban, Y. ;
Bennett, J. V. ;
Bertani, M. ;
Bian, J. M. ;
Boger, E. ;
Bondarenko, O. ;
Boyko, I. ;
Braun, S. ;
Briere, R. A. ;
Cai, H. ;
Cai, X. ;
Cakir, O. ;
Calcaterra, A. ;
Cao, G. F. ;
Cetin, S. A. ;
Chang, J. F. ;
Chelkov, G. ;
Chen, G. ;
Chen, H. S. ;
Chen, J. C. ;
Chen, M. L. ;
Chen, S. J. ;
Chen, X. ;
Chen, X. R. ;
Chen, Y. B. ;
Cheng, H. P. ;
Chu, X. K. ;
Chu, Y. P. ;
Cronin-Hennessy, D. ;
Dai, H. L. ;
Dai, J. P. ;
Dedovich, D. ;
Deng, Z. Y. ;
Denig, A. ;
Denysenko, I. ;
Destefanis, M. ;
Ding, W. M. ;
Ding, Y. ;
Dong, C. ;
Dong, J. ;
Dong, L. Y. .
PHYSICAL REVIEW LETTERS, 2014, 112 (09)