First Measurement of the Absolute Branching Fraction of Λ → pμ-(ν)over-barμ
- Publikationstyp:
- Zeitschriftenaufsatz
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- Autoren
- M Ablikim
- MN Achasov
- P Adlarson
- S Ahmed
- M Albrecht
- R Aliberti
- A Amoroso
- MR An
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- XH Bai
- Y Bai
- O Bakina
- R Baldini Ferroli
- I Balossino
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- I Boyko
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- FA Harris
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- CH Heinz
- YK Heng
- C Herold
- M Himmelreich
- T Holtmann
- GY Hou
- YR Hou
- ZL Hou
- HM Hu
- JF Hu
- T Hu
- Y Hu
- GS Huang
- LQ Huang
- XT Huang
- YP Huang
- Z Huang
- T Hussain
- N Husken
- W Ikegami Andersson
- W Imoehl
- M Irshad
- S Jaeger
- S Janchiv
- Q Ji
- QP Ji
- XB Ji
- XL Ji
- YY Ji
- HB Jiang
- XS Jiang
- JB Jiao
- Z Jiao
- S Jin
- Y Jin
- MQ Jing
- T Johansson
- N Kalantar-Nayestanaki
- XS Kang
- R Kappert
- M Kavatsyuk
- BC Ke
- IK Keshk
- A Khoukaz
- P Kiese
- R Kiuchi
- R Kliemt
- L Koch
- OB Kolcu
- B Kopf
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- XX Ma
- XY Ma
- FE Maas
- M Maggiora
- S Maldaner
- S Malde
- QA Malik
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- YJ Mao
- ZP Mao
- S Marcello
- ZX Meng
- JG Messchendorp
- G Mezzadri
- TJ Min
- RE Mitchell
- XH Mo
- N Yu Muchnoi
- H Muramatsu
- S Nakhoul
- Y Nefedov
- F Nerling
- IB Nikolaev
- Z Ning
- S Nisar
- SL Olsen
- Q Ouyang
- S Pacetti
- X Pan
- Y Pan
- A Pathak
- A Pathak
- P Patteri
- M Pelizaeus
- HP Peng
- K Peters
- J Pettersson
- JL Ping
- RG Ping
- S Pogodin
- R Poling
- V Prasad
- H Qi
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- JF Qiu
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- K Ravindran
- CF Redmer
- A Rivetti
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- M Rolo
- G Rong
- Ch Rosner
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- HS Sang
- A Sarantsev
- Y Schelhaas
- C Schnier
- K Schoenning
- M Scodeggio
- DC Shan
- W Shan
- XY Shan
- JF Shangguan
- M Shao
- CP Shen
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- PX Shen
- XY Shen
- HC Shi
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- X Shi
- XD Shi
- JJ Song
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- Y Wang
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- ZY Wang
- Ziyi Wang
- Zongyuan Wang
- DH Wei
- F Weidner
- SP Wen
- DJ White
- U Wiedner
- G Wilkinson
- M Wolke
- L Wollenberg
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- HY Zhang
- JL Zhang
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- JZ Zhang
- Jianyu Zhang
- Jiawei Zhang
- LM Zhang
- LQ Zhang
- Lei Zhang
- S Zhang
- SF Zhang
- Shulei Zhang
- XD Zhang
- XY Zhang
- Y Zhang
- YT Zhang
- YH Zhang
- Yan Zhang
- Yao Zhang
- ZY Zhang
- G Zhao
- J Zhao
- JY Zhao
- JZ Zhao
- Lei Zhao
- Ling Zhao
- MG Zhao
- Q Zhao
- SJ Zhao
- YB Zhao
- YX Zhao
- ZG Zhao
- A Zhemchugov
- B Zheng
- JP Zheng
- YH Zheng
- B Zhong
- C Zhong
- LP Zhou
- Q Zhou
- X Zhou
- XK Zhou
- XR Zhou
- XY Zhou
- AN Zhu
- J Zhu
- K Zhu
- KJ Zhu
- SH Zhu
- TJ Zhu
- WJ Zhu
- WJ Zhu
- YC Zhu
- ZA Zhu
- BS Zou
- JH Zou
- Autoren-URL
- https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=fis-test-1&SrcAuth=WosAPI&KeyUT=WOS:000704665100004&DestLinkType=FullRecord&DestApp=WOS_CPL
- DOI
- 10.1103/PhysRevLett.127.121802
- eISSN
- 1079-7114
- Externe Identifier
- Clarivate Analytics Document Solution ID: WD0VJ
- PubMed Identifier: 34597097
- ISSN
- 0031-9007
- Ausgabe der Veröffentlichung
- 12
- Zeitschrift
- PHYSICAL REVIEW LETTERS
- Artikelnummer
- ARTN 121802
- Datum der Veröffentlichung
- 2021
- Status
- Published
- Titel
- First Measurement of the Absolute Branching Fraction of Λ → <i>p</i>μ<SUP>-</SUP>(ν)over-bar<sub>μ</sub>
- Sub types
- Article
- Ausgabe der Zeitschrift
- 127
Datenquelle: Web of Science (Lite)
- Andere Metadatenquellen:
-
- Autoren
- M Ablikim
- MN Achasov
- P Adlarson
- S Ahmed
- M Albrecht
- R Aliberti
- A Amoroso
- MR An
- Q An
- XH Bai
- Y Bai
- O Bakina
- R Baldini Ferroli
- I Balossino
- Y Ban
- K Begzsuren
- N Berger
- M Bertani
- D Bettoni
- F Bianchi
- J Bloms
- A Bortone
- I Boyko
- RA Briere
- H Cai
- X Cai
- A Calcaterra
- GF Cao
- N Cao
- SA Cetin
- JF Chang
- WL Chang
- G Chelkov
- DY Chen
- G Chen
- HS Chen
- ML Chen
- SJ Chen
- XR Chen
- YB Chen
- ZJ Chen
- WS Cheng
- G Cibinetto
- F Cossio
- XF Cui
- HL Dai
- JP Dai
- XC Dai
- A Dbeyssi
- RE de Boer
- D Dedovich
- ZY Deng
- A Denig
- I Denysenko
- M Destefanis
- F De Mori
- Y Ding
- C Dong
- J Dong
- LY Dong
- MY Dong
- X Dong
- SX Du
- YL Fan
- J Fang
- SS Fang
- Y Fang
- R Farinelli
- L Fava
- F Feldbauer
- G Felici
- CQ Feng
- JH Feng
- M Fritsch
- CD Fu
- Y Gao
- Y Gao
- Y Gao
- YG Gao
- I Garzia
- PT Ge
- C Geng
- EM Gersabeck
- A Gilman
- K Goetzen
- L Gong
- WX Gong
- W Gradl
- M Greco
- LM Gu
- MH Gu
- YT Gu
- CY Guan
- AQ Guo
- LB Guo
- RP Guo
- YP Guo
- A Guskov
- TT Han
- WY Han
- XQ Hao
- FA Harris
- KL He
- FH Heinsius
- CH Heinz
- YK Heng
- C Herold
- M Himmelreich
- T Holtmann
- GY Hou
- YR Hou
- ZL Hou
- HM Hu
- JF Hu
- T Hu
- Y Hu
- GS Huang
- LQ Huang
- XT Huang
- YP Huang
- Z Huang
- T Hussain
- N Hüsken
- W Ikegami Andersson
- W Imoehl
- M Irshad
- S Jaeger
- S Janchiv
- Q Ji
- QP Ji
- XB Ji
- XL Ji
- YY Ji
- HB Jiang
- XS Jiang
- JB Jiao
- Z Jiao
- S Jin
- Y Jin
- MQ Jing
- T Johansson
- N Kalantar-Nayestanaki
- XS Kang
- R Kappert
- M Kavatsyuk
- BC Ke
- IK Keshk
- A Khoukaz
- P Kiese
- R Kiuchi
- R Kliemt
- L Koch
- OB Kolcu
- B Kopf
- M Kuemmel
- M Kuessner
- A Kupsc
- MG Kurth
- W Kühn
- JJ Lane
- JS Lange
- P Larin
- A Lavania
- L Lavezzi
- ZH Lei
- H Leithoff
- M Lellmann
- T Lenz
- C Li
- CH Li
- Cheng Li
- DM Li
- F Li
- G Li
- H Li
- H Li
- HB Li
- HJ Li
- JL Li
- JQ Li
- JS Li
- Ke Li
- LK Li
- Lei Li
- PR Li
- SY Li
- WD Li
- WG Li
- XH Li
- XL Li
- Xiaoyu Li
- ZY Li
- H Liang
- H Liang
- H Liang
- YF Liang
- YT Liang
- GR Liao
- LZ Liao
- J Libby
- A Limphirat
- CX Lin
- T Lin
- BJ Liu
- CX Liu
- D Liu
- FH Liu
- Fang Liu
- Feng Liu
- HB Liu
- HM Liu
- Huanhuan Liu
- Huihui Liu
- JB Liu
- JL Liu
- JY Liu
- K Liu
- KY Liu
- Ke Liu
- L Liu
- MH Liu
- PL Liu
- Q Liu
- Q Liu
- SB Liu
- Shuai Liu
- T Liu
- T Liu
- WM Liu
- X Liu
- Y Liu
- YB Liu
- ZA Liu
- ZQ Liu
- XC Lou
- FX Lu
- HJ Lu
- JD Lu
- JG Lu
- XL Lu
- Y Lu
- YP Lu
- CL Luo
- MX Luo
- PW Luo
- T Luo
- XL Luo
- XR Lyu
- FC Ma
- HL Ma
- LL Ma
- MM Ma
- QM Ma
- RQ Ma
- RT Ma
- XX Ma
- XY Ma
- FE Maas
- M Maggiora
- S Maldaner
- S Malde
- QA Malik
- A Mangoni
- YJ Mao
- ZP Mao
- S Marcello
- ZX Meng
- JG Messchendorp
- G Mezzadri
- TJ Min
- RE Mitchell
- XH Mo
- N Yu Muchnoi
- H Muramatsu
- S Nakhoul
- Y Nefedov
- F Nerling
- IB Nikolaev
- Z Ning
- S Nisar
- SL Olsen
- Q Ouyang
- S Pacetti
- X Pan
- Y Pan
- A Pathak
- A Pathak
- P Patteri
- M Pelizaeus
- HP Peng
- K Peters
- J Pettersson
- JL Ping
- RG Ping
- S Pogodin
- R Poling
- V Prasad
- H Qi
- HR Qi
- KH Qi
- M Qi
- TY Qi
- S Qian
- WB Qian
- Z Qian
- CF Qiao
- LQ Qin
- XP Qin
- XS Qin
- ZH Qin
- JF Qiu
- SQ Qu
- KH Rashid
- K Ravindran
- CF Redmer
- A Rivetti
- V Rodin
- M Rolo
- G Rong
- Ch Rosner
- M Rump
- HS Sang
- A Sarantsev
- Y Schelhaas
- C Schnier
- K Schoenning
- M Scodeggio
- DC Shan
- W Shan
- XY Shan
- JF Shangguan
- M Shao
- CP Shen
- HF Shen
- PX Shen
- XY Shen
- HC Shi
- RS Shi
- X Shi
- XD Shi
- JJ Song
- WM Song
- YX Song
- S Sosio
- S Spataro
- KX Su
- PP Su
- FF Sui
- GX Sun
- HK Sun
- JF Sun
- L Sun
- SS Sun
- T Sun
- WY Sun
- WY Sun
- X Sun
- YJ Sun
- YZ Sun
- ZT Sun
- YH Tan
- YX Tan
- CJ Tang
- GY Tang
- J Tang
- JX Teng
- V Thoren
- WH Tian
- YT Tian
- I Uman
- B Wang
- CW Wang
- DY Wang
- HJ Wang
- HP Wang
- K Wang
- LL Wang
- M Wang
- MZ Wang
- Meng Wang
- S Wang
- W Wang
- WH Wang
- WP Wang
- X Wang
- XF Wang
- XL Wang
- Y Wang
- Y Wang
- YD Wang
- YF Wang
- YQ Wang
- YY Wang
- Z Wang
- ZY Wang
- Ziyi Wang
- Zongyuan Wang
- DH Wei
- F Weidner
- SP Wen
- DJ White
- U Wiedner
- G Wilkinson
- M Wolke
- L Wollenberg
- JF Wu
- LH Wu
- LJ Wu
- X Wu
- Z Wu
- L Xia
- H Xiao
- SY Xiao
- ZJ Xiao
- XH Xie
- YG Xie
- YH Xie
- TY Xing
- CJ Xu
- GF Xu
- QJ Xu
- W Xu
- XP Xu
- YC Xu
- F Yan
- L Yan
- WB Yan
- WC Yan
- Xu Yan
- HJ Yang
- HX Yang
- L Yang
- SL Yang
- YX Yang
- Yifan Yang
- Zhi Yang
- M Ye
- MH Ye
- JH Yin
- ZY You
- BX Yu
- CX Yu
- G Yu
- JS Yu
- T Yu
- CZ Yuan
- L Yuan
- XQ Yuan
- Y Yuan
- ZY Yuan
- CX Yue
- AA Zafar
- X Zeng Zeng
- Y Zeng
- AQ Zhang
- BX Zhang
- Guangyi Zhang
- H Zhang
- HH Zhang
- HH Zhang
- HY Zhang
- JL Zhang
- JQ Zhang
- JW Zhang
- JY Zhang
- JZ Zhang
- Jianyu Zhang
- Jiawei Zhang
- LM Zhang
- LQ Zhang
- Lei Zhang
- S Zhang
- SF Zhang
- Shulei Zhang
- XD Zhang
- XY Zhang
- Y Zhang
- YT Zhang
- YH Zhang
- Yan Zhang
- Yao Zhang
- ZY Zhang
- G Zhao
- J Zhao
- JY Zhao
- JZ Zhao
- Lei Zhao
- Ling Zhao
- MG Zhao
- Q Zhao
- SJ Zhao
- YB Zhao
- YX Zhao
- ZG Zhao
- A Zhemchugov
- B Zheng
- JP Zheng
- YH Zheng
- B Zhong
- C Zhong
- LP Zhou
- Q Zhou
- X Zhou
- XK Zhou
- XR Zhou
- XY Zhou
- AN Zhu
- J Zhu
- K Zhu
- KJ Zhu
- SH Zhu
- TJ Zhu
- WJ Zhu
- WJ Zhu
- YC Zhu
- ZA Zhu
- BS Zou
- JH Zou
- DOI
- 10.1103/physrevlett.127.121802
- eISSN
- 1079-7114
- ISSN
- 0031-9007
- Ausgabe der Veröffentlichung
- 12
- Zeitschrift
- Physical Review Letters
- Sprache
- en
- Artikelnummer
- 121802
- Online publication date
- 2021
- Status
- Published online
- Herausgeber
- American Physical Society (APS)
- Herausgeber URL
- http://dx.doi.org/10.1103/physrevlett.127.121802
- Datum der Datenerfassung
- 2021
- Titel
- First Measurement of the Absolute Branching Fraction of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">Λ</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mi>p</mml:mi><mml:msup><mml:mrow><mml:mi>μ</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup><mml:msub><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>ν</mml:mi></mml:mrow><mml:mrow><mml:mo stretchy="false">¯</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mrow><mml:mi>μ</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>
- Ausgabe der Zeitschrift
- 127
Datenquelle: Crossref
- Abstract
- The absolute branching fraction of Λ→pμ^{-}ν[over ¯]_{μ} is reported for the first time based on an e^{+}e^{-} annihilation sample of 10×10^{9} J/ψ events collected with the BESIII detector at sqrt[s]=3.097 GeV. The branching fraction is determined to be B(Λ→pμ^{-}ν[over ¯]_{μ})=[1.48±0.21(stat)±0.08(syst)]×10^{-4}, which is improved by about 30% in precision over the previous indirect measurements. Combining this result with the world average of B(Λ→pe^{-}ν[over ¯]_{e}), we obtain the ratio {[Γ(Λ→pμ^{-}ν[over ¯]_{μ})]/[Γ(Λ→pe^{-}ν[over ¯]_{e})]} to be 0.178±0.028, which agrees with the standard model prediction assuming lepton flavor universality. The asymmetry of the branching fractions of Λ→pμ^{-}ν[over ¯]_{μ} and Λ[over ¯]→p[over ¯]μ^{+}ν_{μ} is also determined, and no evidence for CP violation is found.
- Addresses
- Institute of High Energy Physics, Beijing 100049, People's Republic of China.
- Autoren
- M Ablikim
- MN Achasov
- P Adlarson
- S Ahmed
- M Albrecht
- R Aliberti
- A Amoroso
- MR An
- Q An
- XH Bai
- Y Bai
- O Bakina
- R Baldini Ferroli
- I Balossino
- Y Ban
- K Begzsuren
- N Berger
- M Bertani
- D Bettoni
- F Bianchi
- J Bloms
- A Bortone
- I Boyko
- RA Briere
- H Cai
- X Cai
- A Calcaterra
- GF Cao
- N Cao
- SA Cetin
- JF Chang
- WL Chang
- G Chelkov
- DY Chen
- G Chen
- HS Chen
- ML Chen
- SJ Chen
- XR Chen
- YB Chen
- ZJ Chen
- WS Cheng
- G Cibinetto
- F Cossio
- XF Cui
- HL Dai
- JP Dai
- XC Dai
- A Dbeyssi
- RE de Boer
- D Dedovich
- ZY Deng
- A Denig
- I Denysenko
- M Destefanis
- F De Mori
- Y Ding
- C Dong
- J Dong
- LY Dong
- MY Dong
- X Dong
- SX Du
- YL Fan
- J Fang
- SS Fang
- Y Fang
- R Farinelli
- L Fava
- F Feldbauer
- G Felici
- CQ Feng
- JH Feng
- M Fritsch
- CD Fu
- Y Gao
- Y Gao
- Y Gao
- YG Gao
- I Garzia
- PT Ge
- C Geng
- EM Gersabeck
- A Gilman
- K Goetzen
- L Gong
- WX Gong
- W Gradl
- M Greco
- LM Gu
- MH Gu
- YT Gu
- CY Guan
- AQ Guo
- LB Guo
- RP Guo
- YP Guo
- A Guskov
- TT Han
- WY Han
- XQ Hao
- FA Harris
- KL He
- FH Heinsius
- CH Heinz
- YK Heng
- C Herold
- M Himmelreich
- T Holtmann
- GY Hou
- YR Hou
- ZL Hou
- HM Hu
- JF Hu
- T Hu
- Y Hu
- GS Huang
- LQ Huang
- XT Huang
- YP Huang
- Z Huang
- T Hussain
- N Hüsken
- W Ikegami Andersson
- W Imoehl
- M Irshad
- S Jaeger
- S Janchiv
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- RE Mitchell
- XH Mo
- N Yu Muchnoi
- H Muramatsu
- S Nakhoul
- Y Nefedov
- F Nerling
- IB Nikolaev
- Z Ning
- S Nisar
- SL Olsen
- Q Ouyang
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- Y Pan
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- A Pathak
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- V Thoren
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- Y Wang
- Y Wang
- YD Wang
- YF Wang
- YQ Wang
- YY Wang
- Z Wang
- ZY Wang
- Ziyi Wang
- Zongyuan Wang
- DH Wei
- F Weidner
- SP Wen
- DJ White
- U Wiedner
- G Wilkinson
- M Wolke
- L Wollenberg
- JF Wu
- LH Wu
- LJ Wu
- X Wu
- Z Wu
- L Xia
- H Xiao
- SY Xiao
- ZJ Xiao
- XH Xie
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- YH Xie
- TY Xing
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- Zhi Yang
- M Ye
- MH Ye
- JH Yin
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- T Yu
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- ZY Yuan
- CX Yue
- AA Zafar
- X Zeng Zeng
- Y Zeng
- AQ Zhang
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- Guangyi Zhang
- H Zhang
- HH Zhang
- HH Zhang
- HY Zhang
- JL Zhang
- JQ Zhang
- JW Zhang
- JY Zhang
- JZ Zhang
- Jianyu Zhang
- Jiawei Zhang
- LM Zhang
- LQ Zhang
- Lei Zhang
- S Zhang
- SF Zhang
- Shulei Zhang
- XD Zhang
- XY Zhang
- Y Zhang
- YT Zhang
- YH Zhang
- Yan Zhang
- Yao Zhang
- ZY Zhang
- G Zhao
- J Zhao
- JY Zhao
- JZ Zhao
- Lei Zhao
- Ling Zhao
- MG Zhao
- Q Zhao
- SJ Zhao
- YB Zhao
- YX Zhao
- ZG Zhao
- A Zhemchugov
- B Zheng
- JP Zheng
- YH Zheng
- B Zhong
- C Zhong
- LP Zhou
- Q Zhou
- X Zhou
- XK Zhou
- XR Zhou
- XY Zhou
- AN Zhu
- J Zhu
- K Zhu
- KJ Zhu
- SH Zhu
- TJ Zhu
- WJ Zhu
- WJ Zhu
- YC Zhu
- ZA Zhu
- BS Zou
- JH Zou
- BESIII Collaboration
- DOI
- 10.1103/physrevlett.127.121802
- eISSN
- 1079-7114
- Externe Identifier
- PubMed Identifier: 34597097
- Funding acknowledgements
- National Natural Science Foundation of China: 11935016
- National Natural Science Foundation of China: 11935018
- National Natural Science Foundation of China: 12025502
- National Key Research and Development Program of China: 2020YFA0406400
- H2020 Marie Skłodowska-Curie Actions: 894790
- U.S. Department of Energy: DE-FG02-05ER41374
- Collaborative Research Center: GRK 214
- Chinese Academy of Sciences: U1832207
- National Natural Science Foundation of China: 11635010
- National Natural Science Foundation of China: 11822506
- Stiftelsen Olle Engkvist Byggmästare: 200-0605
- 100 Talents Program of CAS:
- National Natural Science Foundation of China: 11835012
- National Natural Science Foundation of China: 12022510
- National Natural Science Foundation of China: 11961141012
- National Natural Science Foundation of China: 12061131003
- Knut och Alice Wallenbergs Stiftelse: 2016.0157
- Deutsche Forschungsgemeinschaft: 443159800
- Collaborative Research Center: CRC 1044
- INPAC:
- Instituto Nazionale di Fisica Nucleare:
- Vetenskapsrådet:
- National Natural Science Foundation of China: 12035013
- Chinese Academy of Sciences: U1832121
- Horizon 2020 Framework Programme:
- Science and Technology Facilities Council:
- National Natural Science Foundation of China: 11735014
- National Natural Science Foundation of China: 11805037
- National Natural Science Foundation of China: 11935015
- European Research Council: 758462
- Ministry of Development of Turkey: DPT2006K-120470
- Collaborative Research Center: FOR 2359
- National Science and Technology Development Agency:
- Shanghai Key Laboratory for Particle Physics and Cosmology:
- National Natural Science Foundation of China: 12035009
- Royal Society: DH140054
- Key Research Program of Frontier Science, Chinese Academy of Sciences: QYZDJ-SSW-SLH040
- Chinese Academy of Sciences: U1732263
- Institute of Nuclear and Particle Physics at Shanghai Jiao Tong University:
- National Natural Science Foundation of China: 11625523
- National Key Research and Development Program of China: 2020YFA0406300
- U.S. Department of Energy: DE-SC-0012069
- Royal Society: DH160214
- Open access
- false
- ISSN
- 0031-9007
- Ausgabe der Veröffentlichung
- 12
- Zeitschrift
- Physical review letters
- Schlüsselwörter
- BESIII Collaboration
- Sprache
- eng
- Medium
- Paginierung
- 121802
- Datum der Veröffentlichung
- 2021
- Status
- Published
- Publisher licence
- CC BY
- Datum der Datenerfassung
- 2021
- Titel
- First Measurement of the Absolute Branching Fraction of Λ→pμ^{-}ν[over ¯]_{μ}.
- Sub types
- Journal Article
- Ausgabe der Zeitschrift
- 127
Datenquelle: Europe PubMed Central
- Abstract
- The absolute branching fraction of Λ→pμ^{-}ν[over ¯]_{μ} is reported for the first time based on an e^{+}e^{-} annihilation sample of 10×10^{9} J/ψ events collected with the BESIII detector at sqrt[s]=3.097 GeV. The branching fraction is determined to be B(Λ→pμ^{-}ν[over ¯]_{μ})=[1.48±0.21(stat)±0.08(syst)]×10^{-4}, which is improved by about 30% in precision over the previous indirect measurements. Combining this result with the world average of B(Λ→pe^{-}ν[over ¯]_{e}), we obtain the ratio {[Γ(Λ→pμ^{-}ν[over ¯]_{μ})]/[Γ(Λ→pe^{-}ν[over ¯]_{e})]} to be 0.178±0.028, which agrees with the standard model prediction assuming lepton flavor universality. The asymmetry of the branching fractions of Λ→pμ^{-}ν[over ¯]_{μ} and Λ[over ¯]→p[over ¯]μ^{+}ν_{μ} is also determined, and no evidence for CP violation is found.
- Date of acceptance
- 2021
- Autoren
- M Ablikim
- MN Achasov
- P Adlarson
- S Ahmed
- M Albrecht
- R Aliberti
- A Amoroso
- MR An
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- R Baldini Ferroli
- I Balossino
- Y Ban
- K Begzsuren
- N Berger
- M Bertani
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- F Bianchi
- J Bloms
- A Bortone
- I Boyko
- RA Briere
- H Cai
- X Cai
- A Calcaterra
- GF Cao
- N Cao
- SA Cetin
- JF Chang
- WL Chang
- G Chelkov
- DY Chen
- G Chen
- HS Chen
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- YB Chen
- ZJ Chen
- WS Cheng
- G Cibinetto
- F Cossio
- XF Cui
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- XC Dai
- A Dbeyssi
- RE de Boer
- D Dedovich
- ZY Deng
- A Denig
- I Denysenko
- M Destefanis
- F De Mori
- Y Ding
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- MY Dong
- X Dong
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- Z Jiao
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- Y Jin
- MQ Jing
- T Johansson
- N Kalantar-Nayestanaki
- XS Kang
- R Kappert
- M Kavatsyuk
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- IK Keshk
- A Khoukaz
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- R Kliemt
- L Koch
- OB Kolcu
- B Kopf
- M Kuemmel
- M Kuessner
- A Kupsc
- MG Kurth
- W Kühn
- JJ Lane
- JS Lange
- P Larin
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- ZH Lei
- H Leithoff
- M Lellmann
- T Lenz
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- CH Li
- Cheng Li
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- G Li
- H Li
- H Li
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- JQ Li
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- M Maggiora
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- QA Malik
- A Mangoni
- YJ Mao
- ZP Mao
- S Marcello
- ZX Meng
- JG Messchendorp
- G Mezzadri
- TJ Min
- RE Mitchell
- XH Mo
- N Yu Muchnoi
- H Muramatsu
- S Nakhoul
- Y Nefedov
- F Nerling
- IB Nikolaev
- Z Ning
- S Nisar
- SL Olsen
- Q Ouyang
- S Pacetti
- X Pan
- Y Pan
- A Pathak
- A Pathak
- P Patteri
- M Pelizaeus
- HP Peng
- K Peters
- J Pettersson
- JL Ping
- RG Ping
- S Pogodin
- R Poling
- V Prasad
- H Qi
- HR Qi
- KH Qi
- M Qi
- TY Qi
- S Qian
- WB Qian
- Z Qian
- CF Qiao
- LQ Qin
- XP Qin
- XS Qin
- ZH Qin
- JF Qiu
- SQ Qu
- KH Rashid
- K Ravindran
- CF Redmer
- A Rivetti
- V Rodin
- M Rolo
- G Rong
- Ch Rosner
- M Rump
- HS Sang
- A Sarantsev
- Y Schelhaas
- C Schnier
- K Schoenning
- M Scodeggio
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- W Shan
- XY Shan
- JF Shangguan
- M Shao
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- HF Shen
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- XY Shen
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- WM Song
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- J Tang
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- XL Wang
- Y Wang
- Y Wang
- YD Wang
- YF Wang
- YQ Wang
- YY Wang
- Z Wang
- ZY Wang
- Ziyi Wang
- Zongyuan Wang
- DH Wei
- F Weidner
- SP Wen
- DJ White
- U Wiedner
- G Wilkinson
- M Wolke
- L Wollenberg
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- LH Wu
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- X Wu
- Z Wu
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- H Xiao
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- YH Xie
- TY Xing
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- WC Yan
- Xu Yan
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- MH Ye
- JH Yin
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- JS Yu
- T Yu
- CZ Yuan
- L Yuan
- XQ Yuan
- Y Yuan
- ZY Yuan
- CX Yue
- AA Zafar
- X Zeng Zeng
- Y Zeng
- AQ Zhang
- BX Zhang
- Guangyi Zhang
- H Zhang
- HH Zhang
- HH Zhang
- HY Zhang
- JL Zhang
- JQ Zhang
- JW Zhang
- JY Zhang
- JZ Zhang
- Jianyu Zhang
- Jiawei Zhang
- LM Zhang
- LQ Zhang
- Lei Zhang
- S Zhang
- SF Zhang
- Shulei Zhang
- XD Zhang
- XY Zhang
- Y Zhang
- YT Zhang
- YH Zhang
- Yan Zhang
- Yao Zhang
- ZY Zhang
- G Zhao
- J Zhao
- JY Zhao
- JZ Zhao
- Lei Zhao
- Ling Zhao
- MG Zhao
- Q Zhao
- SJ Zhao
- YB Zhao
- YX Zhao
- ZG Zhao
- A Zhemchugov
- B Zheng
- JP Zheng
- YH Zheng
- B Zhong
- C Zhong
- LP Zhou
- Q Zhou
- X Zhou
- XK Zhou
- XR Zhou
- XY Zhou
- AN Zhu
- J Zhu
- K Zhu
- KJ Zhu
- SH Zhu
- TJ Zhu
- WJ Zhu
- WJ Zhu
- YC Zhu
- ZA Zhu
- BS Zou
- JH Zou
- BESIII Collaboration
- Autoren-URL
- https://www.ncbi.nlm.nih.gov/pubmed/34597097
- DOI
- 10.1103/PhysRevLett.127.121802
- eISSN
- 1079-7114
- Ausgabe der Veröffentlichung
- 12
- Zeitschrift
- Phys Rev Lett
- Sprache
- eng
- Country
- United States
- Paginierung
- 121802
- Datum der Veröffentlichung
- 2021
- Status
- Published
- Titel
- First Measurement of the Absolute Branching Fraction of Λ→pμ^{-}ν[over ¯]_{μ}.
- Sub types
- Journal Article
- Ausgabe der Zeitschrift
- 127
Datenquelle: PubMed
- Beziehungen:
- Eigentum von