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Title
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Search for W Boson Decays to Three Charged Pions
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| 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 x 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. |
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Language
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English
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Source (journal)
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Physical review letters. - New York, N.Y., 1958, currens
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Publication
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New York, N.Y.
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American Physical Society
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2019
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ISSN
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0031-9007
[print]
1079-7114
[online]
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DOI
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10.1103/PHYSREVLETT.122.151802
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Volume/pages
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122
:15
(2019)
, 17 p.
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Article Reference
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151802
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ISI
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000465182200002
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Pubmed ID
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31050519
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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