Evidence for the decays of Lambda(+)(C) -> Sigma(+) eta and Sigma(+) eta '

doi:10.1088/1674-1137/43/8/083002

兰州大学机构库

	Evidence for the decays of Lambda(+)(C) -> Sigma(+) eta and Sigma(+) eta '
	Ablikim, M.1; Achasov, M. N.10,74; Ahmed, S.15; Albrecht, M.4; Alekseev, M.63,65; Amoroso, A.63,65; An, F. F.1; An, Q.46,47,60; Bai, Y.45; Bakina, O.30; Ferroli, R. Baldini 23; Ban, Y.38; Begzsuren, K.28; Bennett, D. W.22; Bennett, J., V 5; Berger, N.29...更多 Ablikim, M.1; Achasov, M. N.10,74; Ahmed, S.15; Albrecht, M.4; Alekseev, M.63,65; Amoroso, A.63,65; An, F. F.1; An, Q.46,47,60; Bai, Y.45; Bakina, O.30; Ferroli, R. Baldini 23; Ban, Y.38; Begzsuren, K.28; Bennett, D. W.22; Bennett, J., V 5; Berger, N.29; Bertani, M.23; Bettoni, D.26; Bianchi, F.63,65; Boyko, I 30; Briere, R. A.5; Cai, H.67; Cai, X.1,46,47; Cakir, O.50; Calcaterra, A.23; Cao, G. F.1,54; Cetin, S. A.51; Chai, J.65; Chang, J. F.1,46,47; Chang, W. L.1,54; Chelkov, G.30,72,73; Chen, G.1; Chen, H. S.1,54; Chen, J. C.1; Chen, M. L.1,46,47; Chen, P. L.61; Chen, S. J.36; Chen, Y. B.1,46,47; Cheng, W.65; Cibinetto, G.26; Cossio, F.65; Dai, H. L.1,46,47; Dai, J. P.41,78,79,80; Dbeyssi, A.15; Dedovich, D.30; Deng, Z. 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Indexed By	SCIE
	2019-08
Source Publication	CHINESE PHYSICS C
ISSN	1674-1137
Volume	43 Issue:8
Abstract	We study the hadronic decays of Lambda(+)(C) to the final states Sigma(+) eta and Sigma(+) eta', using an e(+) e(-) annihilation data sample of 567 pb(-1) taken at a center-of-mass energy of 4.6 GeV with the BESIII detector at the BEPCII collider. We find evidence for the decays Lambda(+)(C) -> Sigma(+) eta and Sigma(+) eta' with statistical significance of and, respectively. Normalizing to the reference decays Lambda(+)(C) -> Sigma(+) pi(0) and Sigma(+) omega, we obtain the ratios of the branching fractions B(Lambda(+)(C) -> Sigma(+) eta)/B(Lambda(+)(C) -> Sigma(+) pi(0)) and B(Lambda(+)(C) -> Sigma(+) eta')/B(Lambda(+)(C) -> Sigma(+) omega) to be 0.35 +/- 0.16 +/- 0.02 and 0.86 +/- 0.34 +/- 0.04, respectively. The upper limits at the 90% confidence level are set to be B(Lambda(+)(C) -> Sigma(+) eta)/B(Lambda(+)(C) -> Sigma(+) pi(0)) < 0.58 and B(Lambda(+)(C) -> Sigma(+) eta')/B(Lambda(+)(C) -> Sigma(+) omega) < 1.2. Using BESIII measurements of the branching fractions of the reference decays, we determine B(Lambda(+)(C) -> Sigma(+) eta) = (0.41 +/- 0.19 +/- 0.05)% (<0.68%) and B(Lambda(+)(C) -> Sigma(+) eta') = (1.34 +/- 0.53 +/- 0.19)% (<1.9%). Here, the first uncertainties are statistical and the second systematic. The obtained branching fraction of Lambda(+)(C) -> Sigma(+) eta is consistent with the previous measurement, and the branching fraction of Lambda(+)(C) -> Sigma(+) eta' is measured for the first time.
Keyword	charmed baryon Lambda(+)(C) decays branching fractions
DOI	10.1088/1674-1137/43/8/083002
Language	英语
Funding Project	WCU Program of National Research Foundation of Korea[R32-2008-000-10155-0]
WOS Research Area	Physics
WOS Subject	Physics, Nuclear ; Physics, Particles & Fields
WOS ID	WOS:000475778100002
Publisher	IOP PUBLISHING LTD
Original Document Type	Article
Citation statistics	Cited Times:4[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.lzu.edu.cn/handle/262010/294917
Collection	兰州大学
Corresponding Author	Ablikim, M.
Affiliation	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,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 Joach 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.Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy 24.Ist Nazl Fis Nucl, I-06100 Perugia, Italy 25.Univ Perugia, I-06100 Perugia, Italy 26.Ist Nazl Fis Nucl, 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 Joach 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.Seoul Natl Univ, Seoul 151747, South Korea 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 Lab Particle Detect & Elect, Beijing 100049, Peoples R China 47.State Key Lab Particle Detect & Elect, Hefei 230026, Anhui, Peoples R China 48.Sun Yat Sen Univ, Guangzhou 510275, Guangdong, Peoples R China 49.Tsinghua Univ, Beijing 100084, Peoples R China 50.Ankara Univ, TR-06100 Ankara, Turkey 51.Istanbul Bilgi Univ, TR-34060 Istanbul, Turkey 52.Uludag Univ, TR-16059 Bursa, Turkey 53.Near East Univ, Mersin 10, Nicosia, North Cyprus, Turkey 54.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 55.Univ Hawaii, Honolulu, HI 96822 USA 56.Univ Jinan, Jinan 250022, Shandong, Peoples R China 57.Univ Minnesota, Minneapolis, MN 55455 USA 58.Univ Munster, Wilhelm Klemm Str 9, D-48149 Munster, Germany 59.Univ Sci & Technol Liaoning, Anshan 114051, Peoples R China 60.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China 61.Univ South China, Hengyang 421001, Peoples R China 62.Univ Punjab, Lahore 54590, Pakistan 63.Univ Turin, I-110125 Turin, Italy 64.Univ Piemonte Orientale, I-115121 Alessandria, Italy 65.Ist Nazl Fis Nucl, I-10125 Turin, Italy 66.Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden 67.Wuhan Univ, Wuhan 430072, Hubei, Peoples R China 68.Xinyang Normal Univ, Xinyang 464000, Peoples R China 69.Zhejiang Univ, Hangzhou 310027, Zhejiang, Peoples R China 70.Zhengzhou Univ, Zhengzhou 450001, Henan, Peoples R China 71.Bogazici Univ, TR-34342 Istanbul, Turkey 72.Moscow Inst Phys & Technol, Moscow 141700, Russia 73.Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia 74.Novosibirsk State Univ, Novosibirsk 630090, Russia 75.NRC Kurchatov Inst, PNPI, Gatchina 188300, Russia 76.Istanbul Arel Univ, TR-34295 Istanbul, Turkey 77.Goethe Univ Frankfurt, D-60323 Frankfurt, Germany 78.Minist Educ, Key Lab Particle Phys Astrophys & Cosmol, Shanghai 200240, Peoples R China 79.Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200240, Peoples R China 80.Inst Nucl & Particle Phys, Shanghai 200240, Peoples R China 81.Govt Coll Women Univ, Sialkot 51310, Punjab, Pakistan 82.Fudan Univ, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200443, Peoples R China 83.Fudan Univ, Inst Modern Phys, Shanghai 200443, Peoples R China 84.Ctr Underground Phys, Inst Basic Sci, Daejeon 34126, South Korea 85.Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
Recommended Citation GB/T 7714	Ablikim, M.,Achasov, M. N.,Ahmed, S.,et al. Evidence for the decays of Lambda(+)(C) -> Sigma(+) eta and Sigma(+) eta '[J]. CHINESE PHYSICS C,2019,43(8).
APA	Ablikim, M..,Achasov, M. N..,Ahmed, S..,Albrecht, M..,Alekseev, M..,...&Zou, J. H..(2019).Evidence for the decays of Lambda(+)(C) -> Sigma(+) eta and Sigma(+) eta '.CHINESE PHYSICS C,43(8).
MLA	Ablikim, M.,et al."Evidence for the decays of Lambda(+)(C) -> Sigma(+) eta and Sigma(+) eta '".CHINESE PHYSICS C 43.8(2019).

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