Measurement of branching fractions of singly Cabibbo-suppressed decays Λc+ → Σ0K+ and Σ+KS0

被引：9
作者：
Ablikim, M. [1 ]
Achasov, M. N. [11 ,84 ]
Adlarson, P. [77 ]
Albrecht, M. [4 ]
Aliberti, R. [34 ]
Amoroso, A. [73 ,74 ,76 ]
An, M. R. [38 ]
An, Q. [56 ,70 ]
Bai, X. H. [65 ]
Bai, Y. [55 ]
Bakina, O. [35 ]
Ferroli, R. Baldini [26 ]
Balossino, I [1 ,29 ]
Ban, Y. [45 ,92 ]
Batozskaya, V [1 ,43 ]
Becker, D. [34 ]
Begzsuren, K. [32 ]
Berger, N. [34 ]
Bertani, M. [26 ]
Bettoni, D. [29 ]
Bianchi, F. [73 ,74 ,76 ]
Bloms, J. [67 ]
Bortone, A. [73 ,74 ,76 ]
Boyko, I [35 ]
Briere, R. A. [5 ]
Brueggemann, A. [67 ]
Cai, H. [78 ]
Cai, X. [1 ,56 ]
Calcaterra, A. [26 ]
Cao, G. F. [1 ,62 ]
Cao, N. [1 ,62 ]
Cetin, S. A. [60 ]
Chang, J. F. [1 ,56 ]
Chang, W. L. [1 ,62 ]
Chelkov, G. [35 ,83 ]
Chen, C. [42 ]
Chen, Chao [53 ]
Chen, G. [1 ]
Chen, H. S. [1 ,62 ]
Chen, M. L. [1 ,56 ]
Chen, S. J. [41 ]
Chen, S. M. [59 ]
Chen, T. [1 ]
Chen, X. R. [31 ,62 ]
Chen, X. T. [1 ]
Chen, Y. B. [1 ,56 ]
Chen, Z. J. [23 ,93 ]
Cheng, W. S. [76 ]
Choi, S. K. [53 ]
Chu, X. [42 ]
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, Peoples R China
[7] Cent South Univ, Changsha 410083, Peoples R China
[8] China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China
[9] COMSATS Univ Islamabad, Lahore Campus,Def Rd,Off Raiwind Rd, Lahore 54000, Pakistan
[10] Fudan Univ, Shanghai 200433, Peoples R China
[11] GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia
[12] GSI Helmholtzctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany
[13] Guangxi Normal Univ, Guilin 541004, Peoples R China
[14] Guangxi Univ, Nanning 530004, Peoples R China
[15] Hangzhou Normal Univ, Hangzhou 310036, Peoples R China
[16] Hebei Univ, Baoding 071002, Peoples R China
[17] Helmholtz Inst Mainz, Staudinger Weg 18, D-55099 Mainz, Germany
[18] Henan Normal Univ, Xinxiang 453007, Henan, Peoples R China
[19] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China
[20] Henan Univ Technol, Zhengzhou 450001, Peoples R China
[21] Huangshan Coll, Huangshan 245000, Peoples R China
[22] Hunan Normal Univ, Changsha 410081, Peoples R China
[23] Hunan Univ, Changsha 410082, Peoples R China
[24] Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India
[25] Indiana Univ, Bloomington, IN 47405 USA
[26] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[27] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy
[28] Univ Perugia, I-06100 Perugia, Italy
[29] Ist Nazl Fis Nucl, Sez Ferrara, I-44122 Ferrara, Italy
[30] Univ Ferrara, I-44122 Ferrara, Italy
[31] Inst Modern Phys, Lanzhou 730000, Peoples R China
[32] Inst Phys & Technol, Peace Ave 54B, Ulaanbaatar 13330, Mongolia
[33] Jilin Univ, Changchun 130012, Peoples R China
[34] Johannes Gutenberg Univ Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany
[35] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[36] Justus Liebig Univ Giessen, Phys Inst 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany
[37] Lanzhou Univ, Lanzhou 730000, Peoples R China
[38] Liaoning Normal Univ, Dalian 116029, Peoples R China
[39] Liaoning Univ, Shenyang 110036, Peoples R China
[40] Nanjing Normal Univ, Nanjing 210023, Peoples R China
[41] Nanjing Univ, Nanjing 210093, Peoples R China
[42] Nankai Univ, Tianjin 300071, Peoples R China
[43] Natl Ctr Nucl Res, PL-02093 Warsaw, Poland
[44] North China Elect Power Univ, Beijing 102206, Peoples R China
[45] Peking Univ, Beijing 100871, Peoples R China
[46] Qufu Normal Univ, Qufu 273165, Shandong, Peoples R China
[47] Shandong Normal Univ, Jinan 250014, Peoples R China
[48] Shandong Univ, Jinan 250100, Peoples R China
[49] Shanghai Jiao Tong Univ, Shanghai 200240, Peoples R China
[50] Shanxi Normal Univ, Linfen 041004, Shanxi, Peoples R China
来源：
PHYSICAL REVIEW D | 2022年 / 106卷 / 05期
基金：
国家重点研发计划; 瑞典研究理事会; 中国国家自然科学基金;
关键词：
BARYON; EXCHANGE; PHYSICS;
D O I：
10.1103/PhysRevD.106.052003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Based on a sample of 4.5 fb(-1) of e(+)e(-) annihilation data collected in the energy region between 4.6 GeV and 4.7 GeV with the BESIII detector at BEPCII, two singly Cabibbo-suppressed decays Lambda(+)(c) -> Sigma K-0(+) and Lambda(+)(c) -> Sigma(+)K(S)(0 )are studied. The ratio of the branching fraction B(Lambda(+)(c) -> Sigma K-0(+)) relative to B(Lambda(+)(c) -> Sigma(0)pi(+)) is measured to be 0.0361 +/- 0.0073(stat.) +/- 0.0005(syst.), and the ratio of B(Lambda(+)(c) -> Sigma K-+(S)0 ) relative to B(Lambda(+)(c) -> Sigma(0)pi(+)pi(-)) is measured to be 0.0106 +/- 0.0031(stat.) +/- 0.0004(syst.). After taking the world-average branching fractions of the reference decay channels, the branching fractions B(Lambda(+)(c) -> Sigma K-0(+)) and B(Lambda(+)(c) -> Sigma K-+(S)0) are determined to be (4.7 +/- 0.9(stat.) +/- 0.1(syst.) +/- 0.3(ref.)) x 10(-4) and (4.8 +/- 1.4(stat.) +/- 0.2(syst.) +/- 0.3(ref.)) x 10(-4), respectively. The branching fraction of the Lambda(+)(c) -> Sigma K-+(S)0 decay is measured for the first time.
引用
收藏
页数：14
相关论文
共 51 条
  • [1] Measurement of the lifetimes of promptly produced Ωc0 and Ξc9 baryons
    Aaij, R.
    Abdelmotteleb, A. S. W.
    Beteta, C. Abellan
    Ackern-ley, T.
    Adeva, B.
    Adinolfi, M.
    Afsharnia, H.
    Agapopoulou, C.
    Aidala, C. A.
    Aiola, S.
    Ajaltouni, Z.
    Akar, S.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Alfonso Albero, A.
    Aliouche, Z.
    Alkhazov, G.
    Cartelle, P. Alvarez
    Amato, S.
    Amey, J. L.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Andreianov, A.
    Andreotti, M.
    Ao, D.
    Archilli, F.
    Artamonov, A.
    Artuso, M.
    Arzymatov, K.
    Aslanides, E.
    Atzeni, M.
    Audurier, B.
    Bachmann, S.
    Bachmayer, M.
    Back, J. J.
    Baladron Rodriguez, P.
    Balagura, V
    Baldini, W.
    Leite, J. Baptista
    Barbetti, M.
    Barlow, R. J.
    Bar-suk, S.
    Barter, W.
    Bartolini, M.
    Baryshnikov, F.
    Basels, J. M.
    Bashir, S.
    Bassi, G.
    [J]. SCIENCE BULLETIN, 2022, 67 (05) : 479 - 487
  • [2] Precision measurement of the Λc+, Ξc+, and Ξc0 baryon lifetimes
    Aaij, R.
    Beteta, C. Abellan
    Adeva, B.
    Adinolfi, M.
    Aidala, C. A.
    Ajaltouni, Z.
    Akar, S.
    Albicocco, P.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Alfonso Albero, A.
    Alkhazov, G.
    Cartelle, P. Alvarez
    Alves Jr, A. A.
    Amato, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Andreassi, G.
    Andreotti, M.
    Andrews, J. E.
    Archilli, F.
    Romeu, J. Arnau
    Artamonov, A.
    Artuso, M.
    Arzymatov, K.
    Aslanides, E.
    Atzeni, M.
    Audurier, B.
    Bachmann, S.
    Back, J. J.
    Baker, S.
    Balagura, V
    Baldini, W.
    Baranov, A.
    Barlow, R. J.
    Barsuk, S.
    Barter, W.
    Bartolini, M.
    Baryshnikov, F.
    Batozskaya, V
    Batsukh, B.
    Battig, A.
    Battista, V
    Bay, A.
    Bedeschi, F.
    Bediaga, I
    Beiter, A.
    Bel, L. J.
    [J]. PHYSICAL REVIEW D, 2019, 100 (03)
  • [3] Measurement of the Ωc0 Baryon Lifetime
    Aaij, R.
    Collaboration, LHCb
    Adeva, B.
    Adinolfi, M.
    Aidala, C. A.
    Ajaltouni, Z.
    Akar, S.
    Albicocco, P.
    Albrecht, J.
    Alessio, F.
    Alexander, M.
    Albero, A. Alfonso
    Ali, S.
    Alkhazov, G.
    Cartelle, P. Alvarez
    Alves, A. A., Jr.
    Amato, S.
    Amerio, S.
    Amhis, Y.
    An, L.
    Anderlini, L.
    Andreassi, G.
    Andreotti, M.
    Andrews, J. E.
    Appleby, R. B.
    Archilli, F.
    d'Argent, P.
    Romeu, J. Arnau
    Artamonov, A.
    Artuso, M.
    Arzymatov, K.
    Aslanides, E.
    Atzeni, M.
    Audurier, B.
    Bachmann, S.
    Back, J. J.
    Baker, S.
    Balagura, V.
    Baldini, W.
    Baranov, A.
    Barlow, R. J.
    Barsuk, S.
    Barter, W.
    Baryshnikov, F.
    Batozskaya, V.
    Batsukh, B.
    Battista, V.
    Bay, A.
    Beddow, J.
    Bedeschi, F.
    [J]. PHYSICAL REVIEW LETTERS, 2018, 121 (09)
  • [4] Measurement of χc2 production in two-photon collisions
    Abe, K
    Abe, K
    Abe, R
    Abe, T
    Adachi, I
    Ahn, BS
    Aihara, H
    Akatsu, M
    Asano, Y
    Aso, T
    Aulchenko, V
    Aushev, T
    Bakich, AM
    Ban, Y
    Banas, E
    Bay, A
    Behera, PK
    Bondar, A
    Bozek, A
    Bracko, M
    Brodzicka, J
    Casey, BCK
    Chang, P
    Chao, Y
    Cheon, BG
    Chistov, R
    Choi, SK
    Choi, Y
    Danilov, M
    Dong, LY
    Drutskoy, A
    Eidelman, S
    Eiges, V
    Enari, Y
    Fukunaga, C
    Gabyshev, N
    Garmash, A
    Gershon, T
    Guo, R
    Handa, F
    Hara, T
    Harada, Y
    Hayashii, H
    Hazumi, M
    Heenan, EM
    Higuchi, I
    Hojo, T
    Hokuue, T
    Hoshi, Y
    Hoshina, K
    [J]. PHYSICS LETTERS B, 2002, 540 (1-2) : 33 - 42
  • [5] Future Physics Programme of BESIII
    Ablikim, M.
    Achasov, M. N.
    Adlarson, P.
    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, J., V
    Berger, N.
    Bertani, M.
    Bettoni, D.
    Bianchi, F.
    Biernat, J.
    Bloms, J.
    Boyko, I
    Briere, R. A.
    Calibbi, L.
    Cai, H.
    Cai, X.
    Calcaterra, A.
    Cao, G. F.
    Cao, N.
    Cetin, S. A.
    Chai, J.
    Chang, J. F.
    Chang, W. L.
    Charles, J.
    Chelkov, G.
    Chen
    Chen, G.
    Chen, H. S.
    Chen, J. C.
    Chen, M. L.
    Chen, S. J.
    Chen, Y. B.
    Cheng, H. Y.
    Cheng, W.
    Cibinetto, G.
    Cossio, F.
    Cui, X. F.
    Dai, H. L.
    Dai, J. P.
    Dai, X. C.
    [J]. CHINESE PHYSICS C, 2020, 44 (04)
  • [6] Ablikim M, 2019, PHYS REV D, V99, DOI [10.1103/PhysRevD.99.011103, 10.1103/PhysRevD.99.031101]
  • [7] Measurement of the Absolute Branching Fraction of the Inclusive Semileptonic Λc+ Decay
    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.
    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, P. L.
    Chen, S. J.
    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.
    Denysenko, I.
    Destefanis, M.
    [J]. PHYSICAL REVIEW LETTERS, 2018, 121 (25)
  • [8] Design and construction of the BESIII detector
    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.
    [J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2010, 614 (03) : 345 - 399
  • [9] Measurement of the absolute branching fraction for Λc+ → Λμ+νμ
    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, E.
    Boger, E.
    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, 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.
    Denysenko, I.
    [J]. PHYSICS LETTERS B, 2017, 767 : 42 - 47
  • [10] Measurements of Absolute Hadronic Branching Fractions of the Λc+ Baryon
    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.
    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.
    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 LETTERS, 2016, 116 (05)
123456