兰州大学机构库
Observations of the Cabibbo-Suppressed decays Lambda(+)(c) -> n pi(+) pi(0), n pi(+) pi(-) pi(+) and the Cabibbo-Favored decay Lambda(+)(c) -> nK(-) pi(+) pi(+*)
2023-02-01
Source PublicationCHINESE PHYSICS C
ISSN1674-1137
Volume47Issue:2
AbstractUsing electron-positron annihilation data samples corresponding to an integrated luminosity of 4.5 fb(-1), collected by the BESIII detector in the energy region between 4599.53 MeV and 4698.82 MeV, we report the first observations of the Cabibbo-suppressed decays,, and the Cabibbo-favored decay Lambda(+)(c) -> nK(-) pi(+) pi(+) with statistical significances of 7.9 sigma, 7.8 sigma, and > 10 sigma respectively. The branching fractions of these decays are measured to be B(Lambda(+)(c) -> n pi(+)pi(0) ) = (0.64 +/- 0.09 +/- 0.02)%, B(Lambda(+)(c) -> n pi(+)pi(-) pi(+) ) = (0.45 +/- 0.07 +/- 0.03)%, and B(Lambda(+)(c) -> nK(-) pi(+) pi(+)) = (1.90 +/- 0.08 +/- 0.09)%, where the first uncertainties are statistical and the second are systematic. We find that the branching fraction of the decay Lambda(+)(c) -> n pi(+) pi(0) is about one order of magnitude higher than that of Lambda(+)(c) -> n pi(+).
KeywordLambda(+)(c)baryon Branching fraction BESIII detector
PublisherIOP Publishing Ltd
DOI10.1088/1674-1137/ac9d29
Indexed BySCIE
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000928238000001
Original Document TypeArticle
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/498885
Collection兰州大学
Corresponding AuthorAblikim, M.
Affiliation1.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, Gansu, Peoples R China;
32.Inst Phys & Technol, Peace Ave 54B, Ulaanbaatar 13330, Mongolia;
33.Jilin Univ, Changchun 130012, Jilin, 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;
51.Shanxi Univ, Taiyuan 030006, Peoples R China;
52.Sichuan Univ, Chengdu 610064, Peoples R China;
53.Soochow Univ, Suzhou 215006, Peoples R China;
54.South China Normal Univ, Guangzhou 510006, Peoples R China;
55.Southeast Univ, Nanjing 211100, Peoples R China;
56.State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R China;
57.State Key Lab Particle Detect & Elect, Hefei 230026, Peoples R China;
58.Sun Yat Sen Univ, Guangzhou 510275, Peoples R China;
59.Suranaree Univ Technol, Univ Ave 111, Nakhon Ratchasima 30000, Thailand;
60.Tsinghua Univ, Beijing 100084, Peoples R China;
61.Istinye Univ, TR-34010 Istanbul, Turkiye;
62.Near East Univ, Mersin 10, Nicosia, North Cyprus, Turkiye;
63.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
64.Univ Groningen, NL-9747 AA Groningen, Netherlands;
65.Univ Hawaii, Honolulu, HI 96822 USA;
66.Univ Jinan, Jinan 250022, Peoples R China;
67.Univ Manchester, Oxford Rd, Manchester M13 9PL, Lancs, England;
68.Univ Munster, Wilhelm Klemm Str 9, D-48149 Munster, Germany;
69.Univ Oxford, Keble Rd, Oxford OX1 3RH, England;
70.Univ Sci & Technol Liaoning, Anshan 114051, Peoples R China;
71.Univ Sci & Technol China, Hefei 230026, Peoples R China;
72.Univ South China, Hengyang 421001, Peoples R China;
73.Univ Punjab, Lahore 54590, Pakistan;
74.Univ Turin, I-10125 Turin, Italy;
75.Univ Piemonte Orientale, I-15121 Alessandria, Italy;
76.Ist Nazl Fis Nucl, I-10125 Turin, Italy;
77.Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden;
78.Wuhan Univ, Wuhan 430072, Peoples R China;
79.Xinyang Normal Univ, Xinyang 464000, Peoples R China;
80.Yunnan Univ, Kunming 650500, Yunnan, Peoples R China;
81.Zhejiang Univ, Hangzhou 310027, Peoples R China;
82.Zhengzhou Univ, Zhengzhou 450001, Peoples R China;
83.Moscow Inst Phys & Technol, Moscow 141700, Russia;
84.Novosibirsk State Univ, Novosibirsk 630090, Russia;
85.PNPI, NRC Kurchatov Inst, Gatchina 188300, Russia;
86.Goethe Univ Frankfurt, D-60323 Frankfurt, Germany;
87.Minist Educ, Key Lab Particle Phys Astrophys & Cosmol, Shanghai 200240, Peoples R China;
88.Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200240, Peoples R China;
89.Inst Nucl & Particle Phys, Shanghai 200240, Peoples R China;
90.Fudan Univ, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200443, Peoples R China;
91.Fudan Univ, Inst Modern Phys, Shanghai 200443, Peoples R China;
92.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China;
93.Hunan Univ, Sch Phys & Elect, Changsha 410082, Peoples R China;
94.South China Normal Univ, Inst Quantum Matter, Guangdong Prov Key Lab Nucl Sci, Guangzhou 510006, Peoples R China;
95.Lanzhou Univ, Frontiers Sci Ctr Rare Isotopes, Lanzhou 730000, Peoples R China;
96.Lanzhou Univ, Lanzhou Ctr Theoret Phys, Lanzhou 730000, Peoples R China;
97.IBA, Dept Math Sci, Karachi, Pakistan
Recommended Citation
GB/T 7714
Ablikim, M.,Achasov, M. N.,Adlarson, P.,et al. Observations of the Cabibbo-Suppressed decays Lambda(+)(c) -> n pi(+) pi(0), n pi(+) pi(-) pi(+) and the Cabibbo-Favored decay Lambda(+)(c) -> nK(-) pi(+) pi(+*)[J]. CHINESE PHYSICS C,2023,47(2).
APA Ablikim, M..,Achasov, M. N..,Adlarson, P..,Albrecht, M..,Aliberti, R..,...&Zou, J. H..(2023).Observations of the Cabibbo-Suppressed decays Lambda(+)(c) -> n pi(+) pi(0), n pi(+) pi(-) pi(+) and the Cabibbo-Favored decay Lambda(+)(c) -> nK(-) pi(+) pi(+*).CHINESE PHYSICS C,47(2).
MLA Ablikim, M.,et al."Observations of the Cabibbo-Suppressed decays Lambda(+)(c) -> n pi(+) pi(0), n pi(+) pi(-) pi(+) and the Cabibbo-Favored decay Lambda(+)(c) -> nK(-) pi(+) pi(+*)".CHINESE PHYSICS C 47.2(2023).
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