2024-03-28T17:58:44Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/2137282020-12-10T11:36:55Zcom_10261_37com_10261_4col_10261_290
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Brochero Cifuentes, J. A.
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Cabrillo, I. J.
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Calderon, Alicia
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Chazin Quero, B.
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Duarte Campderros, J.
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Fernández, M.
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Fernández Manteca, P. J.
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García Alonso, A.
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Gómez, G.
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Martínez-Rivero, Celso
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Martínez Ruiz del Arbol, P.
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Matorras, Francisco
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Piedra, Jonatan
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Prieels, C.
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Rodrigo, Teresa
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Ruiz Jimeno, Alberto
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Russo, L.
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Scodellaro, Luca
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Trevisani, N.
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Vila, Iván
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Vizán, J.
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2019-04-19
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.
Physical Review Letters 122(15): 151802 (2019)
http://hdl.handle.net/10261/213728
10.1103/PhysRevLett.122.151802
Search for W Boson decays to three charged pions