doi: 10.1103/PhysRevLett.132.031801.
First Measurement of the Decay Asymmetry in the Pure W-Boson-Exchange Decay Λ_{c}^{+}→Ξ^{0}K^{+}
M Ablikim
1
, M N Achasov
2
, P Adlarson
3
, X C Ai
4
, R Aliberti
5
, A Amoroso
6
7
, M R An
8
, Q An
9
10
, Y Bai
11
, O Bakina
12
, I Balossino
13
, Y Ban
14
, V Batozskaya
1
15
, K Begzsuren
16
, N Berger
5
, M Berlowski
15
, M Bertani
17
, D Bettoni
13
, F Bianchi
6
7
, E Bianco
6
7
, A Bortone
6
7
, I Boyko
12
, R A Briere
18
, A Brueggemann
19
, H Cai
20
, X Cai
1
9
, A Calcaterra
17
, G F Cao
1
21
, N Cao
1
21
, S A Cetin
22
, J F Chang
1
9
, T T Chang
23
, W L Chang
1
21
, G R Che
24
, G Chelkov
12
, C Chen
24
, Chao Chen
25
, G Chen
1
, H S Chen
1
21
, M L Chen
1
9
21
, S J Chen
26
, S M Chen
27
, T Chen
1
21
, X R Chen
28
21
, X T Chen
1
21
, Y B Chen
1
9
, Y Q Chen
29
, Z J Chen
30
, W S Cheng
7
, S K Choi
31
, X Chu
24
, G Cibinetto
13
, S C Coen
32
, F Cossio
7
, J J Cui
33
, H L Dai
1
9
, J P Dai
34
, A Dbeyssi
35
, R E de Boer
32
, D Dedovich
12
, Z Y Deng
1
, A Denig
5
, I Denysenko
12
, M Destefanis
6
7
, F De Mori
6
7
, B Ding
1
36
, X X Ding
14
, Y Ding
37
, Y Ding
29
, J Dong
1
9
, L Y Dong
1
21
, M Y Dong
1
9
21
, X Dong
20
, M C Du
1
, S X Du
4
, Z H Duan
26
, P Egorov
12
, Y H Y Fan
38
, Y L Fan
20
, J Fang
1
9
, S S Fang
1
21
, W X Fang
1
, Y Fang
1
, R Farinelli
13
, L Fava
39
7
, F Feldbauer
32
, G Felici
17
, C Q Feng
9
10
, J H Feng
40
, K Fischer
41
, M Fritsch
32
, C Fritzsch
19
, C D Fu
1
, J L Fu
21
, Y W Fu
1
, H Gao
21
, Y N Gao
14
, Yang Gao
9
10
, S Garbolino
7
, I Garzia
13
42
, P T Ge
20
, Z W Ge
26
, C Geng
40
, E M Gersabeck
43
, A Gilman
41
, K Goetzen
44
, L Gong
37
, W X Gong
1
9
, W Gradl
5
, S Gramigna
13
42
, M Greco
6
7
, M H Gu
1
9
, C Y Guan
1
21
, Z L Guan
45
, A Q Guo
28
21
, L B Guo
46
, M J Guo
33
, R P Guo
47
, Y P Guo
48
, A Guskov
12
, T T Han
33
, W Y Han
8
, X Q Hao
49
, F A Harris
50
, K K He
25
, K L He
1
21
, F H H Heinsius
32
, C H Heinz
5
, Y K Heng
1
9
21
, C Herold
51
, T Holtmann
32
, P C Hong
48
, G Y Hou
1
21
, X T Hou
1
21
, Y R Hou
21
, Z L Hou
1
, H M Hu
1
21
, J F Hu
52
, T Hu
1
9
21
, Y Hu
1
, G S Huang
9
10
, K X Huang
40
, L Q Huang
28
21
, X T Huang
33
, Y P Huang
1
, T Hussain
53
, N Hüsken
54
5
, W Imoehl
54
, J Jackson
54
, S Jaeger
32
, S Janchiv
16
, J H Jeong
31
, Q Ji
1
, Q P Ji
49
, X B Ji
1
21
, X L Ji
1
9
, Y Y Ji
33
, X Q Jia
33
, Z K Jia
9
10
, H J Jiang
20
, P C Jiang
14
, S S Jiang
8
, T J Jiang
55
, X S Jiang
1
9
21
, Y Jiang
21
, J B Jiao
33
, Z Jiao
56
, S Jin
26
, Y Jin
36
, M Q Jing
1
21
, T Johansson
3
, X K
1
, S Kabana
57
, N Kalantar-Nayestanaki
58
, X L Kang
59
, X S Kang
37
, R Kappert
58
, M Kavatsyuk
58
, B C Ke
4
, A Khoukaz
19
, R Kiuchi
1
, R Kliemt
44
, O B Kolcu
22
, B Kopf
32
, M Kuessner
32
, A Kupsc
15
3
, W Kühn
60
, J J Lane
43
, P Larin
35
, A Lavania
61
, L Lavezzi
6
7
, T T Lei
10
, Z H Lei
9
10
, H Leithoff
5
, M Lellmann
5
, T Lenz
5
, C Li
62
, C Li
24
, C H Li
8
, Cheng Li
9
10
, D M Li
4
, F Li
1
9
, G Li
1
, H Li
9
10
, H B Li
1
21
, H J Li
49
, H N Li
52
, Hui Li
24
, J R Li
27
, J S Li
40
, J W Li
33
, K L Li
49
, Ke Li
1
, L J Li
1
21
, L K Li
1
, Lei Li
63
, M H Li
24
, P R Li
64
, Q X Li
33
, S X Li
48
, T Li
33
, W D Li
1
21
, W G Li
1
, X H Li
9
10
, X L Li
33
, Xiaoyu Li
1
21
, Y G Li
14
, Z J Li
40
, C Liang
26
, H Liang
1
21
, H Liang
9
10
, H Liang
29
, Y F Liang
65
, Y T Liang
28
21
, G R Liao
66
, L Z Liao
33
, Y P Liao
1
21
, J Libby
61
, A Limphirat
51
, D X Lin
28
21
, T Lin
1
, B J Liu
1
, B X Liu
20
, C Liu
29
, C X Liu
1
, F H Liu
67
, Fang Liu
1
, Feng Liu
68
, G M Liu
52
, H Liu
64
, H M Liu
1
21
, Huanhuan Liu
1
, Huihui Liu
69
, J B Liu
9
10
, J L Liu
70
, J Y Liu
1
21
, K Liu
1
, K Y Liu
37
, Ke Liu
45
, L Liu
9
10
, L C Liu
24
, Lu Liu
24
, M H Liu
48
, P L Liu
1
, Q Liu
21
, S B Liu
9
10
, T Liu
48
, W K Liu
24
, W M Liu
9
10
, X Liu
64
, Y Liu
64
, Y Liu
4
, Y B Liu
24
, Z A Liu
1
9
21
, Z Q Liu
33
, X C Lou
1
9
21
, F X Lu
40
, H J Lu
56
, J G Lu
1
9
, X L Lu
1
, Y Lu
71
, Y P Lu
1
9
, Z H Lu
1
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, C L Luo
46
, M X Luo
72
, T Luo
48
, X L Luo
1
9
, X R Lyu
21
, Y F Lyu
24
, F C Ma
37
, H L Ma
1
, J L Ma
1
21
, L L Ma
33
, M M Ma
1
21
, Q M Ma
1
, R Q Ma
1
21
, R T Ma
21
, X Y Ma
1
9
, Y Ma
14
, Y M Ma
28
, F E Maas
35
, M Maggiora
6
7
, S Malde
41
, Q A Malik
53
, A Mangoni
73
, Y J Mao
14
, Z P Mao
1
, S Marcello
6
7
, Z X Meng
36
, J G Messchendorp
44
58
, G Mezzadri
13
, H Miao
1
21
, T J Min
26
, R E Mitchell
54
, X H Mo
1
9
21
, N Yu Muchnoi
2
, J Muskalla
5
, Y Nefedov
12
, F Nerling
35
, I B Nikolaev
2
, Z Ning
1
9
, S Nisar
74
, Y Niu
33
, S L Olsen
21
, Q Ouyang
1
9
21
, S Pacetti
73
75
, X Pan
25
, Y Pan
11
, A Pathak
29
, P Patteri
17
, Y P Pei
9
10
, M Pelizaeus
32
, H P Peng
9
10
, K Peters
44
, J L Ping
46
, R G Ping
1
21
, S Plura
5
, S Pogodin
12
, V Prasad
57
, F Z Qi
1
, H Qi
9
10
, H R Qi
27
, M Qi
26
, T Y Qi
48
, S Qian
1
9
, W B Qian
21
, C F Qiao
21
, J J Qin
70
, L Q Qin
66
, X P Qin
48
, X S Qin
33
, Z H Qin
1
9
, J F Qiu
1
, S Q Qu
27
, C F Redmer
5
, K J Ren
8
, A Rivetti
7
, V Rodin
58
, M Rolo
7
, G Rong
1
21
, Ch Rosner
35
, S N Ruan
24
, N Salone
15
, A Sarantsev
12
, Y Schelhaas
5
, K Schoenning
3
, M Scodeggio
13
42
, K Y Shan
48
, W Shan
76
, X Y Shan
9
10
, J F Shangguan
25
, L G Shao
1
21
, M Shao
9
10
, C P Shen
48
, H F Shen
1
21
, W H Shen
21
, X Y Shen
1
21
, B A Shi
21
, H C Shi
9
10
, J L Shi
48
, J Y Shi
1
, Q Q Shi
25
, R S Shi
1
21
, X Shi
1
9
, J J Song
49
, T Z Song
40
, W M Song
1
29
, Y J Song
48
, Y X Song
14
, S Sosio
6
7
, S Spataro
6
7
, F Stieler
5
, Y J Su
21
, G B Sun
20
, G X Sun
1
, H Sun
21
, H K Sun
1
, J F Sun
49
, K Sun
27
, L Sun
20
, S S Sun
1
21
, T Sun
1
21
, W Y Sun
29
, Y Sun
59
, Y J Sun
9
10
, Y Z Sun
1
, Z T Sun
33
, Y X Tan
9
10
, C J Tang
65
, G Y Tang
1
, J Tang
40
, Y A Tang
20
, L Y Tao
70
, Q T Tao
30
, M Tat
41
, J X Teng
9
10
, V Thoren
3
, W H Tian
40
, W H Tian
77
, Y Tian
28
21
, Z F Tian
20
, I Uman
78
, S J Wang
33
, B Wang
1
, B L Wang
21
, Bo Wang
9
10
, C W Wang
26
, D Y Wang
14
, F Wang
70
, H J Wang
64
, H P Wang
1
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, J P Wang
33
, K Wang
1
9
, L L Wang
1
, M Wang
33
, Meng Wang
1
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, S Wang
48
, S Wang
64
, T Wang
48
, T J Wang
24
, W Wang
40
, W Wang
70
, W P Wang
9
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, X Wang
14
, X F Wang
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, X J Wang
8
, X L Wang
48
, Y Wang
27
, Y D Wang
38
, Y F Wang
1
9
21
, Y H Wang
62
, Y N Wang
38
, Y Q Wang
1
, Yaqian Wang
1
79
, Yi Wang
27
, Z Wang
1
9
, Z L Wang
70
, Z Y Wang
1
21
, Ziyi Wang
21
, D Wei
80
, D H Wei
66
, F Weidner
19
, S P Wen
1
, C W Wenzel
32
, U Wiedner
32
, G Wilkinson
41
, M Wolke
3
, L Wollenberg
32
, C Wu
8
, J F Wu
1
21
, L H Wu
1
, L J Wu
1
21
, X Wu
48
, X H Wu
29
, Y Wu
10
, Y J Wu
28
, Z Wu
1
9
, L Xia
9
10
, X M Xian
8
, T Xiang
14
, D Xiao
64
, G Y Xiao
26
, S Y Xiao
1
, Y L Xiao
48
, Z J Xiao
46
, C Xie
26
, X H Xie
14
, Y Xie
33
, Y G Xie
1
9
, Y H Xie
68
, Z P Xie
9
10
, T Y Xing
1
21
, C F Xu
1
21
, C J Xu
40
, G F Xu
1
, H Y Xu
36
, Q J Xu
55
, Q N Xu
81
, W Xu
1
21
, W L Xu
36
, X P Xu
25
, Y C Xu
82
, Z P Xu
26
, Z S Xu
21
, F Yan
48
, L Yan
48
, W B Yan
9
10
, W C Yan
4
, X Q Yan
1
, H J Yang
83
, H L Yang
29
, H X Yang
1
, Tao Yang
1
, Y Yang
48
, Y F Yang
24
, Y X Yang
1
21
, Yifan Yang
1
21
, Z W Yang
64
, Z P Yao
33
, M Ye
1
9
, M H Ye
84
, J H Yin
1
, Z Y You
40
, B X Yu
1
9
21
, C X Yu
24
, G Yu
1
21
, J S Yu
30
, T Yu
70
, X D Yu
14
, C Z Yuan
1
21
, L Yuan
85
, S C Yuan
1
, X Q Yuan
1
, Y Yuan
1
21
, Z Y Yuan
40
, C X Yue
8
, A A Zafar
53
, F R Zeng
33
, X Zeng
48
, Y Zeng
30
, Y J Zeng
1
21
, X Y Zhai
29
, Y C Zhai
33
, Y H Zhan
40
, A Q Zhang
1
21
, B L Zhang
1
21
, B X Zhang
1
, D H Zhang
24
, G Y Zhang
49
, H Zhang
10
, H H Zhang
40
, H H Zhang
29
, H Q Zhang
1
9
21
, H Y Zhang
1
9
, J Zhang
4
, J J Zhang
77
, J L Zhang
86
, J Q Zhang
46
, J W Zhang
1
9
21
, J X Zhang
64
, J Y Zhang
1
, J Z Zhang
1
21
, Jianyu Zhang
21
, Jiawei Zhang
1
21
, L M Zhang
27
, L Q Zhang
40
, Lei Zhang
26
, P Zhang
1
21
, Q Y Zhang
8
4
, Shuihan Zhang
1
21
, Shulei Zhang
30
, X D Zhang
38
, X M Zhang
1
, X Y Zhang
33
, Xuyan Zhang
25
, Y Zhang
70
, Y Zhang
41
, Y T Zhang
4
, Y H Zhang
1
9
, Yan Zhang
9
10
, Yao Zhang
1
, Z H Zhang
1
, Z L Zhang
29
, Z Y Zhang
20
, Z Y Zhang
24
, G Zhao
1
, J Zhao
8
, J Y Zhao
1
21
, J Z Zhao
1
9
, Lei Zhao
9
10
, Ling Zhao
1
, M G Zhao
24
, S J Zhao
4
, Y B Zhao
1
9
, Y X Zhao
28
21
, Z G Zhao
9
10
, A Zhemchugov
12
, B Zheng
70
, J P Zheng
1
9
, W J Zheng
1
21
, Y H Zheng
21
, B Zhong
46
, X Zhong
40
, H Zhou
33
, L P Zhou
1
21
, X Zhou
20
, X K Zhou
68
, X R Zhou
9
10
, X Y Zhou
8
, Y Z Zhou
48
, J Zhu
24
, K Zhu
1
, K J Zhu
1
9
21
, L Zhu
29
, L X Zhu
21
, S H Zhu
80
, S Q Zhu
26
, T J Zhu
48
, W J Zhu
48
, Y C Zhu
9
10
, Z A Zhu
1
21
, J H Zou
1
, J Zu
9
10
; BESIII Collaboration
Affiliations
Affiliations
- 1 Institute of High Energy Physics, Beijing 100049, People's Republic of China.
- 2 Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.
- 3 Uppsala University, Box 516, SE-75120 Uppsala, Sweden.
- 4 Zhengzhou University, Zhengzhou 450001, People's Republic of China.
- 5 Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.
- 6 University of Turin and INFN, University of Turin, I-10125 Turin, Italy.
- 7 INFN, I-10125 Turin, Italy.
- 8 Liaoning Normal University, Dalian 116029, People's Republic of China.
- 9 State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.
- 10 University of Science and Technology of China, Hefei 230026, People's Republic of China.
- 11 Southeast University, Nanjing 211100, People's Republic of China.
- 12 Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.
- 13 INFN Sezione di Ferrara, INFN Sezione di Ferrara, I-44122 Ferrara, Italy.
- 14 Peking University, Beijing 100871, People's Republic of China.
- 15 National Centre for Nuclear Research, Warsaw 02-093, Poland.
- 16 Institute of Physics and Technology, Peace Avenue 54B, Ulaanbaatar 13330, Mongolia.
- 17 INFN Laboratori Nazionali di Frascati, INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy.
- 18 Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
- 19 University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.
- 20 Wuhan University, Wuhan 430072, People's Republic of China.
- 21 University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
- 22 Turkish Accelerator Center Particle Factory Group, Istinye University, 34010, Istanbul, Turkey.
- 23 Xinyang Normal University, Xinyang 464000, People's Republic of China.
- 24 Nankai University, Tianjin 300071, People's Republic of China.
- 25 Soochow University, Suzhou 215006, People's Republic of China.
- 26 Nanjing University, Nanjing 210093, People's Republic of China.
- 27 Tsinghua University, Beijing 100084, People's Republic of China.
- 28 Institute of Modern Physics, Lanzhou 730000, People's Republic of China.
- 29 Jilin University, Changchun 130012, People's Republic of China.
- 30 Hunan University, Changsha 410082, People's Republic of China.
- 31 Chung-Ang University, Seoul 06974, Republic of Korea.
- 32 Bochum Ruhr-University, D-44780 Bochum, Germany.
- 33 Shandong University, Jinan 250100, People's Republic of China.
- 34 Yunnan University, Kunming 650500, People's Republic of China.
- 35 Helmholtz Institute Mainz, Staudinger Weg 18, D-55099 Mainz, Germany.
- 36 University of Jinan, Jinan 250022, People's Republic of China.
- 37 Liaoning University, Shenyang 110036, People's Republic of China.
- 38 North China Electric Power University, Beijing 102206, People's Republic of China.
- 39 University of Eastern Piedmont, I-15121 Alessandria, Italy.
- 40 Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.
- 41 University of Oxford, Keble Road, Oxford OX13RH, United Kingdom.
- 42 University of Ferrara, I-44122 Ferrara, Italy.
- 43 University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom.
- 44 GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.
- 45 Henan University of Technology, Zhengzhou 450001, People's Republic of China.
- 46 Nanjing Normal University, Nanjing 210023, People's Republic of China.
- 47 Shandong Normal University, Jinan 250014, People's Republic of China.
- 48 Fudan University, Shanghai 200433, People's Republic of China.
- 49 Henan Normal University, Xinxiang 453007, People's Republic of China.
- 50 University of Hawaii, Honolulu, Hawaii 96822, USA.
- 51 Suranaree University of Technology, University Avenue 111, Nakhon Ratchasima 30000, Thailand.
- 52 South China Normal University, Guangzhou 510006, People's Republic of China.
- 53 University of the Punjab, Lahore-54590, Pakistan.
- 54 Indiana University, Bloomington, Indiana 47405, USA.
- 55 Hangzhou Normal University, Hangzhou 310036, People's Republic of China.
- 56 Huangshan College, Huangshan 245000, People's Republic of China.
- 57 Instituto de Alta Investigación, Universidad de Tarapacá, Casilla 7D, Arica 1000000, Chile.
- 58 University of Groningen, NL-9747 AA Groningen, The Netherlands.
- 59 China University of Geosciences, Wuhan 430074, People's Republic of China.
- 60 Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.
- 61 Indian Institute of Technology Madras, Chennai 600036, India.
- 62 Qufu Normal University, Qufu 273165, People's Republic of China.
- 63 Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China.
- 64 Lanzhou University, Lanzhou 730000, People's Republic of China.
- 65 Sichuan University, Chengdu 610064, People's Republic of China.
- 66 Guangxi Normal University, Guilin 541004, People's Republic of China.
- 67 Shanxi University, Taiyuan 030006, People's Republic of China.
- 68 Central China Normal University, Wuhan 430079, People's Republic of China.
- 69 Henan University of Science and Technology, Luoyang 471003, People's Republic of China.
- 70 University of South China, Hengyang 421001, People's Republic of China.
- 71 Central South University, Changsha 410083, People's Republic of China.
- 72 Zhejiang University, Hangzhou 310027, People's Republic of China.
- 73 INFN Sezione di Perugia, I-06100 Perugia, Italy.
- 74 COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan.
- 75 University of Perugia, I-06100 Perugia, Italy.
- 76 Hunan Normal University, Changsha 410081, People's Republic of China.
- 77 Shanxi Normal University, Linfen 041004, People's Republic of China.
- 78 Near East University, Nicosia, North Cyprus, 99138, Mersin 10, Turkey.
- 79 Hebei University, Baoding 071002, People's Republic of China.
- 80 University of Science and Technology Liaoning, Anshan 114051, People's Republic of China.
- 81 Inner Mongolia University, Hohhot 010021, People's Republic of China.
- 82 Yantai University, Yantai 264005, People's Republic of China.
- 83 Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.
- 84 China Center of Advanced Science and Technology, Beijing 100190, People's Republic of China.
- 85 Beihang University, Beijing 100191, People's Republic of China.
- 86 Henan University, Kaifeng 475004, People's Republic of China.
- PMID: 38307076
- DOI: 10.1103/PhysRevLett.132.031801
Item in Clipboard
First Measurement of the Decay Asymmetry in the Pure W-Boson-Exchange Decay Λ_{c}^{+}→Ξ^{0}K^{+}
M Ablikim et al.
Phys Rev Lett.
.
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doi: 10.1103/PhysRevLett.132.031801.
Authors
M Ablikim
1
, M N Achasov
2
, P Adlarson
3
, X C Ai
4
, R Aliberti
5
, A Amoroso
6
7
, M R An
8
, Q An
9
10
, Y Bai
11
, O Bakina
12
, I Balossino
13
, Y Ban
14
, V Batozskaya
1
15
, K Begzsuren
16
, N Berger
5
, M Berlowski
15
, M Bertani
17
, D Bettoni
13
, F Bianchi
6
7
, E Bianco
6
7
, A Bortone
6
7
, I Boyko
12
, R A Briere
18
, A Brueggemann
19
, H Cai
20
, X Cai
1
9
, A Calcaterra
17
, G F Cao
1
21
, N Cao
1
21
, S A Cetin
22
, J F Chang
1
9
, T T Chang
23
, W L Chang
1
21
, G R Che
24
, G Chelkov
12
, C Chen
24
, Chao Chen
25
, G Chen
1
, H S Chen
1
21
, M L Chen
1
9
21
, S J Chen
26
, S M Chen
27
, T Chen
1
21
, X R Chen
28
21
, X T Chen
1
21
, Y B Chen
1
9
, Y Q Chen
29
, Z J Chen
30
, W S Cheng
7
, S K Choi
31
, X Chu
24
, G Cibinetto
13
, S C Coen
32
, F Cossio
7
, J J Cui
33
, H L Dai
1
9
, J P Dai
34
, A Dbeyssi
35
, R E de Boer
32
, D Dedovich
12
, Z Y Deng
1
, A Denig
5
, I Denysenko
12
, M Destefanis
6
7
, F De Mori
6
7
, B Ding
1
36
, X X Ding
14
, Y Ding
37
, Y Ding
29
, J Dong
1
9
, L Y Dong
1
21
, M Y Dong
1
9
21
, X Dong
20
, M C Du
1
, S X Du
4
, Z H Duan
26
, P Egorov
12
, Y H Y Fan
38
, Y L Fan
20
, J Fang
1
9
, S S Fang
1
21
, W X Fang
1
, Y Fang
1
, R Farinelli
13
, L Fava
39
7
, F Feldbauer
32
, G Felici
17
, C Q Feng
9
10
, J H Feng
40
, K Fischer
41
, M Fritsch
32
, C Fritzsch
19
, C D Fu
1
, J L Fu
21
, Y W Fu
1
, H Gao
21
, Y N Gao
14
, Yang Gao
9
10
, S Garbolino
7
, I Garzia
13
42
, P T Ge
20
, Z W Ge
26
, C Geng
40
, E M Gersabeck
43
, A Gilman
41
, K Goetzen
44
, L Gong
37
, W X Gong
1
9
, W Gradl
5
, S Gramigna
13
42
, M Greco
6
7
, M H Gu
1
9
, C Y Guan
1
21
, Z L Guan
45
, A Q Guo
28
21
, L B Guo
46
, M J Guo
33
, R P Guo
47
, Y P Guo
48
, A Guskov
12
, T T Han
33
, W Y Han
8
, X Q Hao
49
, F A Harris
50
, K K He
25
, K L He
1
21
, F H H Heinsius
32
, C H Heinz
5
, Y K Heng
1
9
21
, C Herold
51
, T Holtmann
32
, P C Hong
48
, G Y Hou
1
21
, X T Hou
1
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, Y R Hou
21
, Z L Hou
1
, H M Hu
1
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, J F Hu
52
, T Hu
1
9
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, Y Hu
1
, G S Huang
9
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, K X Huang
40
, L Q Huang
28
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, X T Huang
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, Y P Huang
1
, T Hussain
53
, N Hüsken
54
5
, W Imoehl
54
, J Jackson
54
, S Jaeger
32
, S Janchiv
16
, J H Jeong
31
, Q Ji
1
, Q P Ji
49
, X B Ji
1
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, X L Ji
1
9
, Y Y Ji
33
, X Q Jia
33
, Z K Jia
9
10
, H J Jiang
20
, P C Jiang
14
, S S Jiang
8
, T J Jiang
55
, X S Jiang
1
9
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, Y Jiang
21
, J B Jiao
33
, Z Jiao
56
, S Jin
26
, Y Jin
36
, M Q Jing
1
21
, T Johansson
3
, X K
1
, S Kabana
57
, N Kalantar-Nayestanaki
58
, X L Kang
59
, X S Kang
37
, R Kappert
58
, M Kavatsyuk
58
, B C Ke
4
, A Khoukaz
19
, R Kiuchi
1
, R Kliemt
44
, O B Kolcu
22
, B Kopf
32
, M Kuessner
32
, A Kupsc
15
3
, W Kühn
60
, J J Lane
43
, P Larin
35
, A Lavania
61
, L Lavezzi
6
7
, T T Lei
10
, Z H Lei
9
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, H Leithoff
5
, M Lellmann
5
, T Lenz
5
, C Li
62
, C Li
24
, C H Li
8
, Cheng Li
9
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, D M Li
4
, F Li
1
9
, G Li
1
, H Li
9
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, H B Li
1
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, H J Li
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, H N Li
52
, Hui Li
24
, J R Li
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, J S Li
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, J W Li
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, K L Li
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, Ke Li
1
, L J Li
1
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, L K Li
1
, Lei Li
63
, M H Li
24
, P R Li
64
, Q X Li
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, S X Li
48
, T Li
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, W D Li
1
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, W G Li
1
, X H Li
9
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, X L Li
33
, Xiaoyu Li
1
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, Y G Li
14
, Z J Li
40
, C Liang
26
, H Liang
1
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, H Liang
9
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, H Liang
29
, Y F Liang
65
, Y T Liang
28
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, G R Liao
66
, L Z Liao
33
, Y P Liao
1
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, J Libby
61
, A Limphirat
51
, D X Lin
28
21
, T Lin
1
, B J Liu
1
, B X Liu
20
, C Liu
29
, C X Liu
1
, F H Liu
67
, Fang Liu
1
, Feng Liu
68
, G M Liu
52
, H Liu
64
, H M Liu
1
21
, Huanhuan Liu
1
, Huihui Liu
69
, J B Liu
9
10
, J L Liu
70
, J Y Liu
1
21
, K Liu
1
, K Y Liu
37
, Ke Liu
45
, L Liu
9
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, L C Liu
24
, Lu Liu
24
, M H Liu
48
, P L Liu
1
, Q Liu
21
, S B Liu
9
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, T Liu
48
, W K Liu
24
, W M Liu
9
10
, X Liu
64
, Y Liu
64
, Y Liu
4
, Y B Liu
24
, Z A Liu
1
9
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, Z Q Liu
33
, X C Lou
1
9
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, F X Lu
40
, H J Lu
56
, J G Lu
1
9
, X L Lu
1
, Y Lu
71
, Y P Lu
1
9
, Z H Lu
1
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, C L Luo
46
, M X Luo
72
, T Luo
48
, X L Luo
1
9
, X R Lyu
21
, Y F Lyu
24
, F C Ma
37
, H L Ma
1
, J L Ma
1
21
, L L Ma
33
, M M Ma
1
21
, Q M Ma
1
, R Q Ma
1
21
, R T Ma
21
, X Y Ma
1
9
, Y Ma
14
, Y M Ma
28
, F E Maas
35
, M Maggiora
6
7
, S Malde
41
, Q A Malik
53
, A Mangoni
73
, Y J Mao
14
, Z P Mao
1
, S Marcello
6
7
, Z X Meng
36
, J G Messchendorp
44
58
, G Mezzadri
13
, H Miao
1
21
, T J Min
26
, R E Mitchell
54
, X H Mo
1
9
21
, N Yu Muchnoi
2
, J Muskalla
5
, Y Nefedov
12
, F Nerling
35
, I B Nikolaev
2
, Z Ning
1
9
, S Nisar
74
, Y Niu
33
, S L Olsen
21
, Q Ouyang
1
9
21
, S Pacetti
73
75
, X Pan
25
, Y Pan
11
, A Pathak
29
, P Patteri
17
, Y P Pei
9
10
, M Pelizaeus
32
, H P Peng
9
10
, K Peters
44
, J L Ping
46
, R G Ping
1
21
, S Plura
5
, S Pogodin
12
, V Prasad
57
, F Z Qi
1
, H Qi
9
10
, H R Qi
27
, M Qi
26
, T Y Qi
48
, S Qian
1
9
, W B Qian
21
, C F Qiao
21
, J J Qin
70
, L Q Qin
66
, X P Qin
48
, X S Qin
33
, Z H Qin
1
9
, J F Qiu
1
, S Q Qu
27
, C F Redmer
5
, K J Ren
8
, A Rivetti
7
, V Rodin
58
, M Rolo
7
, G Rong
1
21
, Ch Rosner
35
, S N Ruan
24
, N Salone
15
, A Sarantsev
12
, Y Schelhaas
5
, K Schoenning
3
, M Scodeggio
13
42
, K Y Shan
48
, W Shan
76
, X Y Shan
9
10
, J F Shangguan
25
, L G Shao
1
21
, M Shao
9
10
, C P Shen
48
, H F Shen
1
21
, W H Shen
21
, X Y Shen
1
21
, B A Shi
21
, H C Shi
9
10
, J L Shi
48
, J Y Shi
1
, Q Q Shi
25
, R S Shi
1
21
, X Shi
1
9
, J J Song
49
, T Z Song
40
, W M Song
1
29
, Y J Song
48
, Y X Song
14
, S Sosio
6
7
, S Spataro
6
7
, F Stieler
5
, Y J Su
21
, G B Sun
20
, G X Sun
1
, H Sun
21
, H K Sun
1
, J F Sun
49
, K Sun
27
, L Sun
20
, S S Sun
1
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, T Sun
1
21
, W Y Sun
29
, Y Sun
59
, Y J Sun
9
10
, Y Z Sun
1
, Z T Sun
33
, Y X Tan
9
10
, C J Tang
65
, G Y Tang
1
, J Tang
40
, Y A Tang
20
, L Y Tao
70
, Q T Tao
30
, M Tat
41
, J X Teng
9
10
, V Thoren
3
, W H Tian
40
, W H Tian
77
, Y Tian
28
21
, Z F Tian
20
, I Uman
78
, S J Wang
33
, B Wang
1
, B L Wang
21
, Bo Wang
9
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, C W Wang
26
, D Y Wang
14
, F Wang
70
, H J Wang
64
, H P Wang
1
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, J P Wang
33
, K Wang
1
9
, L L Wang
1
, M Wang
33
, Meng Wang
1
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, S Wang
48
, S Wang
64
, T Wang
48
, T J Wang
24
, W Wang
40
, W Wang
70
, W P Wang
9
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, X Wang
14
, X F Wang
64
, X J Wang
8
, X L Wang
48
, Y Wang
27
, Y D Wang
38
, Y F Wang
1
9
21
, Y H Wang
62
, Y N Wang
38
, Y Q Wang
1
, Yaqian Wang
1
79
, Yi Wang
27
, Z Wang
1
9
, Z L Wang
70
, Z Y Wang
1
21
, Ziyi Wang
21
, D Wei
80
, D H Wei
66
, F Weidner
19
, S P Wen
1
, C W Wenzel
32
, U Wiedner
32
, G Wilkinson
41
, M Wolke
3
, L Wollenberg
32
, C Wu
8
, J F Wu
1
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, L H Wu
1
, L J Wu
1
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, X Wu
48
, X H Wu
29
, Y Wu
10
, Y J Wu
28
, Z Wu
1
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, L Xia
9
10
, X M Xian
8
, T Xiang
14
, D Xiao
64
, G Y Xiao
26
, S Y Xiao
1
, Y L Xiao
48
, Z J Xiao
46
, C Xie
26
, X H Xie
14
, Y Xie
33
, Y G Xie
1
9
, Y H Xie
68
, Z P Xie
9
10
, T Y Xing
1
21
, C F Xu
1
21
, C J Xu
40
, G F Xu
1
, H Y Xu
36
, Q J Xu
55
, Q N Xu
81
, W Xu
1
21
, W L Xu
36
, X P Xu
25
, Y C Xu
82
, Z P Xu
26
, Z S Xu
21
, F Yan
48
, L Yan
48
, W B Yan
9
10
, W C Yan
4
, X Q Yan
1
, H J Yang
83
, H L Yang
29
, H X Yang
1
, Tao Yang
1
, Y Yang
48
, Y F Yang
24
, Y X Yang
1
21
, Yifan Yang
1
21
, Z W Yang
64
, Z P Yao
33
, M Ye
1
9
, M H Ye
84
, J H Yin
1
, Z Y You
40
, B X Yu
1
9
21
, C X Yu
24
, G Yu
1
21
, J S Yu
30
, T Yu
70
, X D Yu
14
, C Z Yuan
1
21
, L Yuan
85
, S C Yuan
1
, X Q Yuan
1
, Y Yuan
1
21
, Z Y Yuan
40
, C X Yue
8
, A A Zafar
53
, F R Zeng
33
, X Zeng
48
, Y Zeng
30
, Y J Zeng
1
21
, X Y Zhai
29
, Y C Zhai
33
, Y H Zhan
40
, A Q Zhang
1
21
, B L Zhang
1
21
, B X Zhang
1
, D H Zhang
24
, G Y Zhang
49
, H Zhang
10
, H H Zhang
40
, H H Zhang
29
, H Q Zhang
1
9
21
, H Y Zhang
1
9
, J Zhang
4
, J J Zhang
77
, J L Zhang
86
, J Q Zhang
46
, J W Zhang
1
9
21
, J X Zhang
64
, J Y Zhang
1
, J Z Zhang
1
21
, Jianyu Zhang
21
, Jiawei Zhang
1
21
, L M Zhang
27
, L Q Zhang
40
, Lei Zhang
26
, P Zhang
1
21
, Q Y Zhang
8
4
, Shuihan Zhang
1
21
, Shulei Zhang
30
, X D Zhang
38
, X M Zhang
1
, X Y Zhang
33
, Xuyan Zhang
25
, Y Zhang
70
, Y Zhang
41
, Y T Zhang
4
, Y H Zhang
1
9
, Yan Zhang
9
10
, Yao Zhang
1
, Z H Zhang
1
, Z L Zhang
29
, Z Y Zhang
20
, Z Y Zhang
24
, G Zhao
1
, J Zhao
8
, J Y Zhao
1
21
, J Z Zhao
1
9
, Lei Zhao
9
10
, Ling Zhao
1
, M G Zhao
24
, S J Zhao
4
, Y B Zhao
1
9
, Y X Zhao
28
21
, Z G Zhao
9
10
, A Zhemchugov
12
, B Zheng
70
, J P Zheng
1
9
, W J Zheng
1
21
, Y H Zheng
21
, B Zhong
46
, X Zhong
40
, H Zhou
33
, L P Zhou
1
21
, X Zhou
20
, X K Zhou
68
, X R Zhou
9
10
, X Y Zhou
8
, Y Z Zhou
48
, J Zhu
24
, K Zhu
1
, K J Zhu
1
9
21
, L Zhu
29
, L X Zhu
21
, S H Zhu
80
, S Q Zhu
26
, T J Zhu
48
, W J Zhu
48
, Y C Zhu
9
10
, Z A Zhu
1
21
, J H Zou
1
, J Zu
9
10
; BESIII Collaboration
Affiliations
- 1 Institute of High Energy Physics, Beijing 100049, People's Republic of China.
- 2 Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.
- 3 Uppsala University, Box 516, SE-75120 Uppsala, Sweden.
- 4 Zhengzhou University, Zhengzhou 450001, People's Republic of China.
- 5 Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.
- 6 University of Turin and INFN, University of Turin, I-10125 Turin, Italy.
- 7 INFN, I-10125 Turin, Italy.
- 8 Liaoning Normal University, Dalian 116029, People's Republic of China.
- 9 State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.
- 10 University of Science and Technology of China, Hefei 230026, People's Republic of China.
- 11 Southeast University, Nanjing 211100, People's Republic of China.
- 12 Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.
- 13 INFN Sezione di Ferrara, INFN Sezione di Ferrara, I-44122 Ferrara, Italy.
- 14 Peking University, Beijing 100871, People's Republic of China.
- 15 National Centre for Nuclear Research, Warsaw 02-093, Poland.
- 16 Institute of Physics and Technology, Peace Avenue 54B, Ulaanbaatar 13330, Mongolia.
- 17 INFN Laboratori Nazionali di Frascati, INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy.
- 18 Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
- 19 University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.
- 20 Wuhan University, Wuhan 430072, People's Republic of China.
- 21 University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
- 22 Turkish Accelerator Center Particle Factory Group, Istinye University, 34010, Istanbul, Turkey.
- 23 Xinyang Normal University, Xinyang 464000, People's Republic of China.
- 24 Nankai University, Tianjin 300071, People's Republic of China.
- 25 Soochow University, Suzhou 215006, People's Republic of China.
- 26 Nanjing University, Nanjing 210093, People's Republic of China.
- 27 Tsinghua University, Beijing 100084, People's Republic of China.
- 28 Institute of Modern Physics, Lanzhou 730000, People's Republic of China.
- 29 Jilin University, Changchun 130012, People's Republic of China.
- 30 Hunan University, Changsha 410082, People's Republic of China.
- 31 Chung-Ang University, Seoul 06974, Republic of Korea.
- 32 Bochum Ruhr-University, D-44780 Bochum, Germany.
- 33 Shandong University, Jinan 250100, People's Republic of China.
- 34 Yunnan University, Kunming 650500, People's Republic of China.
- 35 Helmholtz Institute Mainz, Staudinger Weg 18, D-55099 Mainz, Germany.
- 36 University of Jinan, Jinan 250022, People's Republic of China.
- 37 Liaoning University, Shenyang 110036, People's Republic of China.
- 38 North China Electric Power University, Beijing 102206, People's Republic of China.
- 39 University of Eastern Piedmont, I-15121 Alessandria, Italy.
- 40 Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.
- 41 University of Oxford, Keble Road, Oxford OX13RH, United Kingdom.
- 42 University of Ferrara, I-44122 Ferrara, Italy.
- 43 University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom.
- 44 GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.
- 45 Henan University of Technology, Zhengzhou 450001, People's Republic of China.
- 46 Nanjing Normal University, Nanjing 210023, People's Republic of China.
- 47 Shandong Normal University, Jinan 250014, People's Republic of China.
- 48 Fudan University, Shanghai 200433, People's Republic of China.
- 49 Henan Normal University, Xinxiang 453007, People's Republic of China.
- 50 University of Hawaii, Honolulu, Hawaii 96822, USA.
- 51 Suranaree University of Technology, University Avenue 111, Nakhon Ratchasima 30000, Thailand.
- 52 South China Normal University, Guangzhou 510006, People's Republic of China.
- 53 University of the Punjab, Lahore-54590, Pakistan.
- 54 Indiana University, Bloomington, Indiana 47405, USA.
- 55 Hangzhou Normal University, Hangzhou 310036, People's Republic of China.
- 56 Huangshan College, Huangshan 245000, People's Republic of China.
- 57 Instituto de Alta Investigación, Universidad de Tarapacá, Casilla 7D, Arica 1000000, Chile.
- 58 University of Groningen, NL-9747 AA Groningen, The Netherlands.
- 59 China University of Geosciences, Wuhan 430074, People's Republic of China.
- 60 Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.
- 61 Indian Institute of Technology Madras, Chennai 600036, India.
- 62 Qufu Normal University, Qufu 273165, People's Republic of China.
- 63 Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China.
- 64 Lanzhou University, Lanzhou 730000, People's Republic of China.
- 65 Sichuan University, Chengdu 610064, People's Republic of China.
- 66 Guangxi Normal University, Guilin 541004, People's Republic of China.
- 67 Shanxi University, Taiyuan 030006, People's Republic of China.
- 68 Central China Normal University, Wuhan 430079, People's Republic of China.
- 69 Henan University of Science and Technology, Luoyang 471003, People's Republic of China.
- 70 University of South China, Hengyang 421001, People's Republic of China.
- 71 Central South University, Changsha 410083, People's Republic of China.
- 72 Zhejiang University, Hangzhou 310027, People's Republic of China.
- 73 INFN Sezione di Perugia, I-06100 Perugia, Italy.
- 74 COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan.
- 75 University of Perugia, I-06100 Perugia, Italy.
- 76 Hunan Normal University, Changsha 410081, People's Republic of China.
- 77 Shanxi Normal University, Linfen 041004, People's Republic of China.
- 78 Near East University, Nicosia, North Cyprus, 99138, Mersin 10, Turkey.
- 79 Hebei University, Baoding 071002, People's Republic of China.
- 80 University of Science and Technology Liaoning, Anshan 114051, People's Republic of China.
- 81 Inner Mongolia University, Hohhot 010021, People's Republic of China.
- 82 Yantai University, Yantai 264005, People's Republic of China.
- 83 Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.
- 84 China Center of Advanced Science and Technology, Beijing 100190, People's Republic of China.
- 85 Beihang University, Beijing 100191, People's Republic of China.
- 86 Henan University, Kaifeng 475004, People's Republic of China.
- PMID: 38307076
- DOI: 10.1103/PhysRevLett.132.031801
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Abstract
Based on 4.4 fb^{-1} of e^{+}e^{-} annihilation data collected at the center-of-mass energies between 4.60 and 4.70 GeV with the BESIII detector at the BEPCII collider, the pure W-boson-exchange decay Λ_{c}^{+}→Ξ^{0}K^{+} is studied with a full angular analysis. The corresponding decay asymmetry is measured for the first time to be α_{Ξ^{0}K^{+}}=0.01±0.16(stat)±0.03(syst). This result reflects the noninterference effect between the S- and P-wave amplitudes. The phase shift between S- and P-wave amplitudes has two solutions, which are δ_{p}-δ_{s}=-1.55±0.25(stat)±0.05(syst) rad or 1.59±0.25(stat)±0.05(syst) rad.
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