Precision measurement of the D*0 decay branching fractions

被引:7
|
作者
Ablikim, M. [1 ]
Achasov, M. N. [8 ,58 ,59 ]
Ai, X. C. [1 ]
Albayrak, O. [4 ]
Albrecht, M. [3 ]
Ambrose, D. J. [47 ]
Amoroso, A. [51 ,53 ]
An, F. F. [1 ]
An, Q. [48 ]
Bai, J. Z. [1 ]
Ferroli, R. Baldini [19 ]
Ban, Y. [32 ]
Bennett, D. W. [18 ]
Bennett, J. V. [4 ]
Bertani, M. [19 ]
Bettoni, D. [21 ]
Bian, J. M. [46 ]
Bianchi, F. [51 ,53 ]
Boger, E. [24 ,66 ]
Bondarenko, O. [26 ]
Boyko, I. [24 ]
Briere, R. A. [4 ]
Cai, H. [55 ]
Cai, X. [1 ]
Cakir, O. [41 ,58 ,59 ]
Calcaterra, A. [19 ]
Cao, G. F. [1 ]
Cetin, S. A. [42 ]
Chang, J. F. [1 ]
Chelkov, G. [24 ,60 ,61 ]
Chen, G. [1 ]
Chen, H. S. [1 ]
Chen, H. Y. [2 ]
Chen, J. C. [1 ]
Chen, M. L. [1 ]
Chen, S. J. [30 ]
Chen, X. [1 ]
Chen, X. R. [27 ]
Chen, Y. B. [1 ]
Cheng, H. P. [16 ]
Chu, X. K. [32 ]
Cibinetto, G. [21 ]
Cronin-Hennessy, D. [46 ]
Dai, H. L. [1 ]
Dai, J. P. [35 ]
Dbeyssi, A. [13 ]
Dedovich, D. [24 ]
Deng, Z. Y. [1 ]
Denig, A. [23 ]
Denysenko, I. [24 ]
机构
[1] Inst High Energy Phys, Beijing 100049, Peoples R China
[2] Beihang Univ, Beijing 100191, Peoples R China
[3] Ruhr Univ Bochum, D-44780 Bochum, Germany
[4] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[5] Cent China Normal Univ, Wuhan 430079, Peoples R China
[6] China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China
[7] COMSATS Inst Informat Technol, Lahore 54000, Pakistan
[8] G I Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia
[9] GSI Helmholtzcentre Heavy Ion Res GmbH, D-64291 Darmstadt, Germany
[10] Guangxi Normal Univ, Guilin 541004, Peoples R China
[11] Guangxi Univ, Nanning 530004, Peoples R China
[12] Hangzhou Normal Univ, Hangzhou 310036, Zhejiang, Peoples R China
[13] Helmholtz Inst Mainz, D-55099 Mainz, Germany
[14] Henan Normal Univ, Xinxiang 453007, Peoples R China
[15] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China
[16] Huangshan Coll, Huangshan 245000, Peoples R China
[17] Hunan Univ, Changsha 410082, Peoples R China
[18] Indiana Univ, Bloomington, IN 47405 USA
[19] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[20] Univ Perugia, Ist Nazl Fis Nucl, I-06100 Perugia, Italy
[21] INFN Sezione Ferrara, I-44122 Ferrara, Italy
[22] Univ Ferrara, I-44122 Ferrara, Italy
[23] Johannes Gutenberg Univ Mainz, D-55099 Mainz, Germany
[24] Joint Inst Nucl Res, Dubna 141980, Russia
[25] Univ Giessen, D-52425 Giessen, Germany
[26] Univ Groningen, KVI CART, NL-9747 AA Groningen, Netherlands
[27] Lanzhou Univ, Lanzhou 730000, Peoples R China
[28] Liaoning Univ, Shenyang 110036, Peoples R China
[29] Nanjing Normal Univ, Nanjing 210023, Peoples R China
[30] Nanjing Univ, Nanjing 210093, Peoples R China
[31] Nankai Univ, Tianjin 300071, Peoples R China
[32] Peking Univ, Beijing 100871, Peoples R China
[33] Seoul Natl Univ, Seoul 151747, South Korea
[34] Shandong Univ, Jinan 250100, Peoples R China
[35] Shanghai Jiao Tong Univ, Shanghai 200240, Peoples R China
[36] Shanxi Univ, Taiyuan 030006, Peoples R China
[37] Sichuan Univ, Chengdu 610064, Peoples R China
[38] Soochow Univ, Suzhou 215006, Peoples R China
[39] Sun Yat Sen Univ, Guangzhou 510275, Peoples R China
[40] Tsinghua Univ, Beijing 100084, Peoples R China
[41] Istanbul Aydin Univ, TR-34295 Istanbul, Turkey
[42] Dogus Univ, TR-34722 Istanbul, Turkey
[43] Uludag Univ, TR-16059 Bursa, Turkey
[44] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[45] Univ Hawaii, Honolulu, HI 96822 USA
[46] Univ Minnesota, Minneapolis, MN 55455 USA
[47] Univ Rochester, Rochester, NY 14627 USA
[48] Univ Sci & Technol China, Hefei 230026, Peoples R China
[49] Univ South China, Hengyan 421001, Peoples R China
[50] Univ Punjab, Lahore 54590, Pakistan
基金
俄罗斯基础研究基金会; 美国国家科学基金会; 中国国家自然科学基金; 新加坡国家研究基金会;
关键词
QCD;
D O I
10.1103/PhysRevD.91.031101
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Using 482 pb(-1) of data taken at root s = 4.009 GeV, we measure the branching fractions of the decays of D*(0) into D-0 pi(0) and D-0 gamma to be B(D*(0) -> D-0 pi(0)) = (65.5 +/- 0.8 +/- 0.5)% and B(D*(0) -> D0 gamma) = (34.5 +/- 0.8 +/- 0.5)%, respectively, by assuming that the D*(0) decays only into these two modes. The ratio of the two branching fractions is B(D*(0) -> D-0 pi(0))/B(D*(0) -> D-0 gamma) = 1.90 +/- 0.07 +/- 0.05, which is independent of the assumption made above. The first uncertainties are statistical and the second ones systematic. The precision is improved by a factor of 3 compared to the present world average values.
引用
收藏
页数:8
相关论文
共 50 条
  • [1] Precision measurement of the branching fractions of J/ψ → π+π-π0 and ψ′ → π+π-π0
    Ablikim, M.
    Achasov, M. N.
    Albertoa, D.
    Ambrose, D. J.
    An, F. F.
    An, Q.
    An, Z. H.
    Bai, J. Z.
    Ferroli, R. B. F. Baldini
    Ban, Y.
    Becker, J.
    Berger, N.
    Bertani, M. B.
    Bian, J. M.
    Boger, E.
    Bondarenko, O.
    Boyko, I.
    Briere, R. A.
    Bytev, V.
    Cai, X.
    Calcaterra, A. C.
    Cao, G. F.
    Chang, J. F.
    Chelkov, G.
    Chen, G.
    Chen, H. S.
    Chen, J. C.
    Chen, M. L.
    Chen, S. J.
    Chen, Y.
    Chen, Y. B.
    Cheng, H. P.
    Chu, Y. P.
    Cronin-Hennessy, D.
    Dai, H. L.
    Dai, J. P.
    Dedovich, D.
    Deng, Z. Y.
    Denysenko, I.
    Destefanis, M.
    Ding, W. M.
    Ding, Y.
    Dong, L. Y.
    Dong, M. Y.
    Du, S. X.
    Fang, J.
    Fang, S. S.
    Feng, C. Q.
    Fu, C. D.
    Fu, J. L.
    [J]. PHYSICS LETTERS B, 2012, 710 (4-5) : 594 - 599
  • [2] Measurement of the branching fractions for J/→γπ0, and γη′ and study of η′→γπ+π- decay dynamics
    Chen, Hai-Xuan
    [J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2007, 22 (2-3): : 637 - 640
  • [3] MEASUREMENT OF BRANCHING RATIOS AND BRANCHING FRACTIONS OF THE CHARMED MESON D0
    BARLAG, S
    BECKER, H
    BOHRINGER, T
    BOSMAN, M
    CASTILLO, V
    CHABAUD, V
    DAMERELL, C
    DAUM, C
    DIETL, H
    GILLMAN, A
    GILMORE, R
    GOOCH, T
    GORLICH, L
    GRAS, P
    HAJDUK, Z
    HIGON, E
    KELSEY, DP
    KLANNER, R
    KWAN, S
    LUCKING, B
    LUTJENS, G
    LUTZ, G
    MALOS, J
    MANNER, W
    NEUGEBAUER, E
    PALKA, H
    PEPE, M
    RICHARDSON, J
    RYBICKI, K
    SEEBRUNNER, HJ
    STIERLIN, U
    TIECKE, HG
    WALTERMANN, G
    WATTS, S
    WEILHAMMER, P
    WICKENS, F
    WIGGERS, LW
    WITEK, M
    ZELUDZIEWICZ, T
    [J]. PHYSICS LETTERS B, 1989, 232 (04) : 561 - 566
  • [4] Measurement of prominent η-decay branching fractions
    Lopez, A.
    Mehrabyan, S.
    Mendez, H.
    Ramirez, J.
    Ge, J. Y.
    Miller, D. H.
    Sanghi, B.
    Shipsey, I. P. J.
    Xin, B.
    Adams, G. S.
    Anderson, M.
    Cummings, J. P.
    Danko, I.
    Hu, D.
    Moziak, B.
    Napolitano, J.
    He, Q.
    Insler, J.
    Muramatsu, H.
    Park, C. S.
    Thorndike, E. H.
    Yang, F.
    Artuso, M.
    Blusk, S.
    Khalil, S.
    Li, J.
    Menaa, N.
    Mountain, R.
    Nisar, S.
    Randrianarivony, K.
    Sia, R.
    Skwarnicki, T.
    Stone, S.
    Wang, J. C.
    Bonvicini, G.
    Cinabro, D.
    Dubrovin, M.
    Lincoln, A.
    Asner, D. M.
    Edwards, K. W.
    Naik, P.
    Briere, R. A.
    Ferguson, T.
    Tatishvili, G.
    Vogel, H.
    Watkins, M. E.
    Rosner, J. L.
    Adam, N. E.
    Alexander, J. P.
    Cassel, D. G.
    [J]. PHYSICAL REVIEW LETTERS, 2007, 99 (12)
  • [5] Measurement of the D+→π+ π0 and D+→K+ π0 branching fractions
    Aubert, B.
    Barate, R.
    Bona, M.
    Boutigny, D.
    Couderc, F.
    Karyotakis, Y.
    Lees, J. P.
    Poireau, V.
    Tisserand, V.
    Zghiche, A.
    Grauges, E.
    Palano, A.
    Chen, J. C.
    Qi, N. D.
    Rong, G.
    Wang, P.
    Zhu, Y. S.
    Eigen, G.
    Ofte, I.
    Stugu, B.
    Abrams, G. S.
    Battaglia, M.
    Brown, D. N.
    Button-Shafer, J.
    Cahn, R. N.
    Charles, E.
    Gill, M. S.
    Groysman, Y.
    Jacobsen, R. G.
    Kadyk, J. A.
    Kerth, L. T.
    Kolomensky, Yu. G.
    Kukartsev, G.
    Lynch, G.
    Mir, L. M.
    Oddone, P. J.
    Orimoto, T. J.
    Pripstein, M.
    Roe, N. A.
    Ronan, M. T.
    Wenzel, W. A.
    Barrett, M.
    Ford, K. E.
    Harrison, T. J.
    Hart, A. J.
    Hawkes, C. M.
    Morgan, S. E.
    Watson, A. T.
    Goetzen, K.
    Held, T.
    [J]. PHYSICAL REVIEW D, 2006, 74 (01):
  • [6] Measurement of the semileptonic branching fractions of the D-0 meson
    Albrecht, H
    Hamacher, T
    Hofmann, RP
    Kirchhoff, T
    Mankel, R
    Nau, A
    Nowak, S
    Ressing, D
    Schroder, H
    Schulz, HD
    Walter, M
    Wurth, R
    Hast, C
    Kapitza, H
    Kolanoski, H
    Kosche, A
    Lange, A
    Lindner, A
    Schieber, M
    Siegmund, T
    Spaan, B
    Thurn, H
    Topfer, D
    Wegener, D
    Eckstein, P
    Frankl, C
    Graf, J
    Schmidtler, M
    Schramm, M
    Schubert, KR
    Schwierz, R
    Waldi, R
    Reim, K
    Wegener, H
    Eckmann, R
    Kuipers, H
    Mai, O
    Mundt, R
    Oest, T
    Reiner, R
    SchmidtParzefall, W
    Stiewe, J
    Werner, S
    Ehret, K
    Hofmann, W
    Hupper, A
    Knopfle, KT
    Spengler, J
    Krieger, P
    MacFarlane, DB
    [J]. PHYSICS LETTERS B, 1996, 374 (1-3) : 249 - 255
  • [7] Precision Measurement of the Branching Fractions of η′ Decays
    Ablikim, M.
    Achasov, M. N.
    Ahmed, S.
    Albrecht, M.
    Alekseev, M.
    Amoroso, A.
    An, F. F.
    An, Q.
    Bai, Y.
    Bakina, O.
    Ferroli, R. Baldini
    Ban, Y.
    Begzsuren, K.
    Bennett, D. W.
    Bennett, J., V
    Berger, N.
    Bertani, M.
    Bettoni, D.
    Bianchi, F.
    Boger, E.
    Boyko, I
    Briere, R. A.
    Cai, H.
    Cai, X.
    Calcaterra, A.
    Cao, G. F.
    Cetin, S. A.
    Chai, J.
    Chang, J. F.
    Chang, W. L.
    Chelkov, G.
    Chen, G.
    Chen, H. S.
    Chen, J. C.
    Chen, M. L.
    Chen, P. L.
    Chen, S. J.
    Chen, X. R.
    Chen, Y. B.
    Cheng, W.
    Chu, X. K.
    Cibinetto, G.
    Cossio, F.
    Dai, H. L.
    Dai, J. P.
    Dbeyssi, A.
    Dedovich, D.
    Deng, Z. Y.
    Denig, A.
    Denysenko, I
    [J]. PHYSICAL REVIEW LETTERS, 2019, 122 (14)
  • [8] Search for the decay D0 → γγ and measurement of the branching fraction for D0 → π0π0
    Lees, J. P.
    Poireau, V.
    Prencipe, E.
    Tisserand, V.
    Garra Tico, J.
    Grauges, E.
    Martinelli, M.
    Milanes, D. A.
    Palano, A.
    Pappagallo, M.
    Eigen, G.
    Stugu, B.
    Sun, L.
    Brown, D. N.
    Kerth, L. T.
    Kolomensky, Yu. G.
    Lynch, G.
    Koch, H.
    Schroeder, T.
    Asgeirsson, D. J.
    Hearty, C.
    Mattison, T. S.
    McKenna, J. A.
    Khan, A.
    Blinov, V. E.
    Buzykaev, A. R.
    Druzhinin, V. P.
    Golubev, V. B.
    Kravchenko, E. A.
    Onuchin, A. P.
    Serednyakov, S. I.
    Skovpen, Yu. I.
    Solodov, E. P.
    Todyshev, K. Yu.
    Yushkov, A. N.
    Bondioli, M.
    Curry, S.
    Kirkby, D.
    Lankford, A. J.
    Mandelkern, M.
    Stoker, D. P.
    Atmacan, H.
    Gary, J. W.
    Liu, F.
    Long, O.
    Vitug, G. M.
    Campagnari, C.
    Hong, T. M.
    Kovalskyi, D.
    Richman, J. D.
    [J]. PHYSICAL REVIEW D, 2012, 85 (09):
  • [9] Measurement of the branching fractions for J/ψ→γπ0, γη and γη'
    Ablikim, M
    Bai, JZ
    Ban, Y
    Bian, JG
    Cai, X
    Chen, HF
    Chen, HS
    Chen, HX
    Chen, JC
    Chen, J
    Chen, YB
    Chi, SP
    Chu, YP
    Cui, XZ
    Dai, YS
    Diao, LY
    Deng, ZY
    Dong, QF
    Du, SX
    Fang, J
    Fang, SS
    Fu, CD
    Gao, CS
    Gao, YN
    Gu, SD
    Gu, YT
    Guo, YN
    Guo, YQ
    Guo, ZJ
    Harris, FA
    He, KL
    He, M
    Heng, YK
    Hu, HM
    Hu, T
    Huang, GS
    Huang, XT
    Ji, XB
    Jiang, XS
    Jiang, XY
    Jiao, JB
    Jin, DP
    Jin, S
    Jin, Y
    Lai, YF
    Li, G
    Li, HB
    Li, HH
    Li, J
    Li, RY
    [J]. PHYSICAL REVIEW D, 2006, 73 (05):
  • [10] Measurement of branching fractions for ψ(3686) → γη′, γη, and γπ0
    Ablikim, M.
    Achasov, M. N.
    Ahmed, S.
    Albrecht, M.
    Alekseev, M.
    Amoroso, A.
    An, F. F.
    An, Q.
    Bai, J. Z.
    Bai, Y.
    Bakina, O.
    Ferroli, R. Baldini
    Ban, Y.
    Bennett, D. W.
    Bennett, J. V.
    Berer, N.
    Bertani, M.
    Bettoni, D.
    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. J.
    Chen, X. R.
    Chen, Y. B.
    Chu, X. K.
    Cibinetto, G.
    Cossio, F.
    Dai, H. L.
    Dai, J. P.
    Dbeyssi, A.
    Dedovich, D.
    Deng, Z. Y.
    Denig, A.
    Denysenko, I.
    Destefanis, M.
    De Mori, F.
    [J]. PHYSICAL REVIEW D, 2017, 96 (05)