Search for W boson decays to three charged pions
For the first time, a search for the rare decay of the W boson to three charged pions has been performed. Proton-proton collision data recorded by the CMS experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 77.3 fb−1, have been analyzed. No significant exc...
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American Physical Society
2019
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Online Access: | http://irep.iium.edu.my/79791/1/79791_Search%20for%20W%20Boson%20Decays.pdf http://irep.iium.edu.my/79791/2/79791_Search%20for%20W%20Boson%20Decays_SCOPUS.pdf http://irep.iium.edu.my/79791/3/79791_Search%20for%20W%20Boson%20Decays_WOS.pdf http://irep.iium.edu.my/79791/ https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.122.151802 |
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my.iium.irep.797912020-07-12T08:06:45Z http://irep.iium.edu.my/79791/ Search for W boson decays to three charged pions Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli Q Science (General) QC Physics For the first time, a search for the rare decay of the W boson to three charged pions has been performed. Proton-proton collision data recorded by the CMS experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 77.3 fb−1, have been analyzed. No significant excess is observed above the background expectation. An upper limit of 1.01 × 10−6 is set at 95% confidence level on the branching fraction of the W boson to three charged pions. This provides a strong motivation for theoretical calculations of this branching fraction. American Physical Society 2019 Article PeerReviewed application/pdf en http://irep.iium.edu.my/79791/1/79791_Search%20for%20W%20Boson%20Decays.pdf application/pdf en http://irep.iium.edu.my/79791/2/79791_Search%20for%20W%20Boson%20Decays_SCOPUS.pdf application/pdf en http://irep.iium.edu.my/79791/3/79791_Search%20for%20W%20Boson%20Decays_WOS.pdf Sirunyan, A. M. and Tumasyan, A. R. and Adam, Wolfgang and Ambrogi, Federico and Asilar, Ece and Md. Ali, Mohd. Adli (2019) Search for W boson decays to three charged pions. Physical Review Letters, 122 (15). pp. 1-17. ISSN 0031-9007 E-ISSN 1079-7114 https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.122.151802 10.1103/PhysRevLett.122.151802 |
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Q Science (General) QC Physics Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli Search for W boson decays to three charged pions |
description |
For the first time, a search for the rare decay of the W boson to three charged pions has been performed.
Proton-proton collision data recorded by the CMS experiment at a center-of-mass energy of 13 TeV,
corresponding to an integrated luminosity of 77.3 fb−1, have been analyzed. No significant excess is
observed above the background expectation. An upper limit of 1.01 × 10−6 is set at 95% confidence level
on the branching fraction of the W boson to three charged pions. This provides a strong motivation for
theoretical calculations of this branching fraction. |
format |
Article |
author |
Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli |
author_facet |
Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Ambrogi, Federico Asilar, Ece Md. Ali, Mohd. Adli |
author_sort |
Sirunyan, A. M. |
title |
Search for W boson decays to three charged pions |
title_short |
Search for W boson decays to three charged pions |
title_full |
Search for W boson decays to three charged pions |
title_fullStr |
Search for W boson decays to three charged pions |
title_full_unstemmed |
Search for W boson decays to three charged pions |
title_sort |
search for w boson decays to three charged pions |
publisher |
American Physical Society |
publishDate |
2019 |
url |
http://irep.iium.edu.my/79791/1/79791_Search%20for%20W%20Boson%20Decays.pdf http://irep.iium.edu.my/79791/2/79791_Search%20for%20W%20Boson%20Decays_SCOPUS.pdf http://irep.iium.edu.my/79791/3/79791_Search%20for%20W%20Boson%20Decays_WOS.pdf http://irep.iium.edu.my/79791/ https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.122.151802 |
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1672610179148939264 |
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13.18916 |