| First observation of the semileptonic decay Lambda(+)(c) -> pK(-) e(+) nu(e) |
| Ablikim, M.1; Achasov, M. N.11,85; Adlarson, P.78; Albrecht, M.4; Aliberti, R.34; Amoroso, A.74,75,77; An, M. R.38; An, Q.56,57,71; Bai, X. H.66; Bai, Y.55; Bakina, O.35; Ferroli, R. Baldini26; Balossino, I1,29; Ban, Y.45,93; Batozskaya, V1,43; Becker, D.34... 更多 Ablikim, M.1; Achasov, M. N.11,85; Adlarson, P.78; Albrecht, M.4; Aliberti, R.34; Amoroso, A.74,75,77; An, M. R.38; An, Q.56,57,71; Bai, X. H.66; Bai, Y.55; Bakina, O.35; Ferroli, R. Baldini26; Balossino, I1,29; Ban, Y.45,93; Batozskaya, V1,43; Becker, D.34; Begzsuren, K.32; Berger, N.34; Bertani, M.26; Bettoni, D.29; Bianchi, F.74,75,77; Bloms, J.68; Bortone, A.74,75,77; Boyko, I35; Briere, R. A.5; Brueggemann, A.68; Cai, H.79; Cai, X.1,56,57; Calcaterra, A.26; Cao, G. F.1,63; Cao, N.1,63; Cetin, S. A.61; Chang, J. F.1,56,57; Chang, W. L.1,63; Chelkov, G.35,84; Chen, C.42; Chen, Chao53; Chen, G.1; Chen, H. S.1,63; Chen, M. L.1,56,57; Chen, S. J.41; Chen, S. M.60; Chen, T.1; Chen, X. R.31,63; Chen, X. T.1; Chen, Y. B.1,56,57; Chen, Z. J.23,94; Cheng, W. S.77; Choi, S. K.53; Chu, X.42; Cibinetto, G.29; Cossio, F.77; Cui, J. J.48; Dai, H. L.1,56,57; Dai, J. P.81; Dbeyssi, A.17; de Boer, R. E.4; Dedovich, D.35; Deng, Z. Y.1; Denig, A.34; Denysenko, I35; Destefanis, M.74,75,77; De Mori, F.74,75,77; Ding, Y.39; Dong, J.1,56,57; Dong, L. Y.1,63; Dong, M. Y.1,56,57,63; Dong, X.83; Du, S. X.35,84; Egorov, P.79; Fan, Y. L.1,56,57; Fang, J.1,63; Fang, S. S.1; Fang, W. X.1; Fang, Y.1; Farinelli, R.29; Fava, L.76,77; Feldbauer, F.4; Felici, G.26; Feng, C. Q.56,57,71; Feng, J. H.58; Fischer, K.69; Fritsch, M.4; Fritzsch, C.68; Fu, C. D.1; Gao, H.63; Gao, Y. N.45,93; Gao, Yang56,57,71; Garbolino, S.77; Garzia, I29,30; Ge, P. T.79; Ge, Z. W.41; Geng, C.58; Gersabeck, E. M.67; Gilman, A.69; Goetzen, K.12; Gong, L.39; Gong, W. X.1,56,57; Gradl, W.34; Greco, M.74,75,77; Gu, L. M.41; Gu, M. H.1,56,57; Gu, Y. T.14; Guan, C. Y.1,63; Guo, A. Q.31,63; Guo, L. B.40; Guo, R. P.47; Guo, Y. P.10,91,92; Guskov, A.35,84; Han, T. T.48; Han, W. Y.38; Hao, X. Q.18; Harris, F. A.65; He, K. K.53; He, K. L.1,63; Heinsius, F. H.4; Heinz, C. H.34; Heng, Y. K.1,56,57,63; Herold, C.59; Himmelreich, M.12,87; Hou, G. Y.1,63; Hou, Y. R.63; Hou, Z. L.1; Hu, H. M.1,63; Hu, J. F.54,95; Hu, T.1,56,57,63; Hu, Y.1; Huang, G. S.56,57,71; Huang, K. X.58; Huang, L. Q.31,63,72; Huang, X. T.48; Huang, Y. P.1; Huang, Z.45,93; Hussain, T.73; Huesken, N.25,34; Imoehl, W.58; Irshad, M.72; Jackson, J.25; Jaeger, S.4; Janchiv, S.32; Jang, E.53; Jeong, J. H.53; Ji, Q.1; Ji, Q. P.18; Ji, X. B.1,63; Ji, X. L.1,56,57; Ji, Y. Y.48; Jia, Z. K.56,57,71; Jiang, H. B.48; Jiang, S. S.38; Jiang, X. S.1,5,63; Jiang, Y.63; Jiao, J. B.48; Jiao, Z.21; Jin, S.41; Jin, Y.66; Jing, M. Q.1,63; Johansson, T.78; Kalantar-Nayestanaki, N.64; Kang, X. S.39; Kappert, R.64; Kavatsyuk, M.64; Ke, B. C.83; Keshk, I. K.4; Khoukaz, A.68; Kiese, P.34; Kiuchi, R.1; Kliemt, R.12; Koch, L.36; Kolcu, O. B.61; Kopf, B.4; Kuemmel, M.4; Kuessner, M.4; Kupsc, A.43,78; Kuhn, W.36; Lane, J. J.67; Lange, J. S.36; Larin, P.17; Lavania, A.24; Lavezzi, L.74,75,77; Lei, Z. H.56,57,71; Leithoff, H.34; Lellmann, M.34; Lenz, T.34; Li, C.42,46; Li, C. H.38; Li, Cheng56,57,71; Li, D. M.83; Li, F.1,56,57; Li, G.50; Li, H.1,56,57,63,71; Li, H. B.18; Li, H. J.54,95; Li, H. N.4; Li, J. Q.58; Li, J. S.48; Li, J. W.1; Li, Ke1; Li, L. J.1; Li, L. K.1; Li, Lei3,99; Li, M. H.42; Li, P. R.37,96,97; Li, S. X.10; Li, S. Y.60; Li, T.48; Li, W. D.1,63; Li, W. G.1; Li, X. H.56,57,71; Li, X. L.48; Li, Xiaoyu1,63; Liang, H.1,33,56,57,63,71; Liang, Y. F.52; Liang, Y. T.31,63; Liao, G. R.13; Liao, L. Z.48; Libby, J.24; Limphirat, A.59; Lin, C. X.58; Lin, D. X.31,63; Lin, T.1; Liu, B. J.1; Liu, C. X.1; Liu, D.17,71; Liu, F. H.51; Liu, Fang1; Liu, Feng6; Liu, G. M.54,95; Liu, H.37,96,97; Liu, H. B.14; Liu, H. M.1,63; Liu, Huanhuan1; Liu, Huihui19; Liu, J. B.56,57,71; Liu, J. L.72; Liu, J. Y.1,63; Liu, K.1; Liu, K. Y.39; Liu, Ke20; Liu, L.56,57,71; Liu, M. H.10,91,92; Liu, P. L.1; Liu, Q.63; Liu, S. B.56,57,71; Liu, T.10,91,92; Liu, W. K.42; Liu, W. M.56,57,71; Liu, X.37,96,97; Liu, Y.37,96,97; Liu, Y. B.42; Liu, Z. A.1,56,57,63; Liu, Z. Q.48; Lou, X. C.1,56,57,63; Lu, F. X.58; Lu, H. J.21; Lu, J. G.1,56,57; Lu, X. L.1; Lu, Y.7; Lu, Y. P.1,56,57; Lu, Z. H.1; Luo, C. L.40; Luo, M. X.82; Luo, T.10,91,92; Luo, X. L.1,56,57; Lyu, X. R.63; Lyu, Y. F.42; Ma, F. C.39; Ma, H. L.1; Ma, L. L.48; Ma, M. M.1,63; Ma, Q. M.1; Ma, R. Q.1,63; Ma, R. T.63; Ma, X. Y.1,56,57; Ma, Y.45,93; Maas, F. E.17; Maggiora, M.74,75,77; Maldaner, S.4; Malde, S.69; Malik, Q. A.73; Mangoni, A.27; Mao, Y. J.45,93; Mao, Z. P.1; Marcello, S.74,75,77; Meng, Z. X.66; Messchendorp, J. G.12,64; Mezzadri, G.1,29; Miao, H.1; Min, T. J.41; Mitchell, R. E.25; Mo, X. H.1,56,57,63; Muchnoi, N. Yu11,85; Nefedov, Y.35; Nerling, F.17,87; Nikolaev, I. B.11; Ning, Z.1,56,57; Nisar, S.1,9,98; Niu, Y.48; Olsen, S. L.63; Ouyang, Q.1,56,57,63; Pacetti, S.27,28; Pan, X.10,91,92; Pan, Y.55; Pathak, A.33; Pelizaeus, M.4; Peng, H. P.56,57,71; Peters, K.12,87; Pettersson, J.78; Ping, J. L.40; Ping, R. G.1,63; Plura, S.34; Pogodin, S.35; Prasad, V56,57,71; Qi, F. Z.1; Qi, H.56,57,71; Qi, H. R.60; Qi, M.41; Qi, T. Y.10,91,92; Qian, S.1,56,57; Qian, W. B.63; Qian, Z.58; Qiao, C. F.63; Qin, J. J.72; Qin, L. Q.13; Qin, X. P.10,91,92; Qin, X. S.48; Qin, Z. H.1,56,57; Qiu, J. F.1; Qu, S. Q.60; Rashid, K. H.73; Redmer, C. F.34; Ren, K. J.38; Rivetti, A.77; Rodin, V64; Rolo, M.77; Rong, G.1,63; Rosner, Ch17; Ruan, S. N.42; Sang, H. S.71; Sarantsev, A.35,86; Schelhaas, Y.34; Schnier, C.4; Schonning, K.78; Scodeggio, M.29,30; Shan, K. Y.10,91,92; Shan, W.22; Shan, X. Y.56,57,71; Shangguan, J. F.53; Shao, L. G.1,63; Shao, M.56,57,71; Shen, C. P.10,91,92; Shen, H. F.1,63; Shen, X. Y.1,63; Shi, B-A63; Shi, H. C.56,57,71; Shi, J. Y.1; Shi, Q. Q.53; Shi, R. S.1,63; Shi, X.1,56,57; Shi, X. D.56,57,71; Song, J. 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Z.10,91,92; Zhu, J.42; Zhu, K.1; Zhu, K. J.1,56,57,63; Zhu, L. X.63; Zhu, S. H.70; Zhu, S. Q.41; Zhu, T. J.80; Zhu, W. J.10,91,92; Zhu, Y. C.56,57,71; Zhu, Z. A.1,63; Zou, B. S.1; Zou, J. H.1收起 |
| 2022-12-26
|
| Source Publication | PHYSICAL REVIEW D
 |
| ISSN | 2470-0010
|
| Volume | 106Issue:11 |
| Abstract | Using 4.5 fb(-1) of e(+)e(-) annihilation data samples collected at the center-of-mass energies ranging from 4.600 GeV to 4.699 GeV with the BESIII detector at the BEPCII collider, a first study of the semileptonic decays Lambda(+)(c) -> pK(-)e(+)v(e), Lambda(+)(c) ->Lambda (1520)e(+)v(e) and Lambda(+)(c) -> Lambda (1405)e(+)v(e) is performed. The Lambda(+)(c) -> pK(-)e(+)v(e) decay is observed with a significance of 8.2 sigma and the branching fraction is measured to be B (Lambda(+)(c) -> pK(-)e(+)v(e)) = (0.88 +/- 0.17(stat) +/- 0.07(syst)) x 10(-3). We also report evidence of Lambda(+)(c) ->Lambda (1520)e(+)v(e) and Lambda(+)(c) -> Lambda (1405)e(+)v(e) with significances of 3.3 sigma and 3.2 sigma , respectively, and measure B (Lambda(+)(c) ->Lambda (1520)e(+)v(e) ) = (1.02 +/- 0.52(stat) +/- 0.11(syst) ) x 10(-3) andB (Lambda(+)(c) ->Lambda (1405) [-> pK(-)]e(+)v(e)) = (0.42 +/- 0.19(stat) +/- 0.04(syst)) x 10(-3). Combining these with the inclusive semileptonic Lambda(+)(c) branching fraction measured by BESIII, the relative fraction is determined to be [B (Lambda(+)(c) -> pK(-)e(+)v(e))/[B (Lambda(+)(c) -> Xe(+)v(e))] = (2.1 +/- 0.4(stat) +/- 0.2(syst))%, which provides a clear confirmation that semileptonic Lambda(+)(c) decays are not saturated by the Lambda l(+)v(e) final state. |
| Publisher | AMER PHYSICAL SOC
|
| DOI | 10.1103/PhysRevD.106.112010
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| Indexed By | SCIE
|
| Language | 英语
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| WOS Research Area | Astronomy & Astrophysics
; Physics
|
| WOS Subject | Astronomy & Astrophysics
; Physics, Particles & Fields
|
| WOS ID | WOS:000928290800002
|
| Original Document Type | Article
|
| Citation statistics |
|
| Document Type | 期刊论文
|
| Identifier | https://ir.lzu.edu.cn/handle/262010/498876
|
| 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, 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, Hunan, Peoples R China;
24.Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India;
25.Indiana Univ, Bloomington, IN 47405 USA;
26.INFN Lab Nazl Frascati, I-00044 Frascati, Italy;
27.INFN Sez Perugia, I-06100 Perugia, Italy;
28.Univ Perugia, I-06100 Perugia, Italy;
29.INFN 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;
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, Turkish Accelerator Ctr Particle Factory Grp, TR-34010 Istanbul, Turkey;
62.Near East Univ, Mersin 10, Nicosia, North Cyprus, Turkey;
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 Turin, Ist Nazl Fis Nucl, I-10125 Turin, Italy;
76.Univ Piemonte Orientale, I-15121 Alessandria, Italy;
77.Ist Nazl Fis Nucl, I-10125 Turin, Italy;
78.Uppsala Univ, Box 516, SE-75120 Uppsala, Sweden;
79.Wuhan Univ, Wuhan 430072, Peoples R China;
80.Xinyang Normal Univ, Xinyang 464000, Peoples R China;
81.Yunnan Univ, Kunming 650500, Yunnan, Peoples R China;
82.Zhejiang Univ, Hangzhou 310027, Peoples R China;
83.Zhengzhou Univ, Zhengzhou 450001, Peoples R China;
84.Moscow Inst Phys & Technol, Moscow 141700, Russia;
85.Novosibirsk State Univ, Novosibirsk 630090, Russia;
86.NRC Kurchatov Inst, PNPI, Gatchina 188300, Russia;
87.Goethe Univ Frankfurt, D-60323 Frankfurt, Germany;
88.Minist Educ, Key Lab Particle Phys Astrophys & Cosmol, Shanghai 200240, Peoples R China;
89.Shanghai Key Lab Particle Phys & Cosmol, Shanghai 200240, Peoples R China;
90.Inst Nucl & Particle Phys, Shanghai 200240, Peoples R China;
91.Fudan Univ, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200443, Peoples R China;
92.Fudan Univ, Inst Modern Phys, Shanghai 200443, Peoples R China;
93.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China;
94.Hunan Univ, Sch Phys & Elect, Changsha 410082, Hunan, Peoples R China;
95.South China Normal Univ, Inst Quantum Matter, Guangdong Prov Key Lab Nucl Sci, Guangzhou 510006, Peoples R China;
96.Lanzhou Univ, Frontiers Sci Ctr Rare Isotopes, Lanzhou 730000, Peoples R China;
97.Lanzhou Univ, Lanzhou Ctr Theoret Phys, Lanzhou 730000, Peoples R China;
98.IBA, Dept Math Sci, Karachi, Pakistan;
99.Renmin Univ China, Beijing 100872, Peoples R China
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Recommended Citation
GB/T 7714 |
Ablikim, M.,Achasov, M. N.,Adlarson, P.,et al. First observation of the semileptonic decay Lambda(+)(c) -> pK(-) e(+) nu(e)[J].
PHYSICAL REVIEW D,2022,106(11).
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| APA |
Ablikim, M..,Achasov, M. N..,Adlarson, P..,Albrecht, M..,Aliberti, R..,...&Zou, J. H..(2022).First observation of the semileptonic decay Lambda(+)(c) -> pK(-) e(+) nu(e).PHYSICAL REVIEW D,106(11).
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| MLA |
Ablikim, M.,et al."First observation of the semileptonic decay Lambda(+)(c) -> pK(-) e(+) nu(e)".PHYSICAL REVIEW D 106.11(2022).
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