Search for W Boson Decays to Three Charged Pions

Λεπτομέρειες βιβλιογραφικής εγγραφής
Parent link:Physical Review Letters
Vol. 122, iss. 15.— 2019.— [151802, 17 p.]
Συλλογικό Έργο: Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов, Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Научно-производственная лаборатория "Импульсно-пучковых, электроразрядных и плазменных технологий"
Άλλοι συγγραφείς: Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Asilar E. Ece, Bergauer T. Thomas, Babaev A. A. Anton Anatoljevich, Yuzhakov A. D. Aleksandr Dmitrievich, Okhotnikov V. V. Vitaly Vladimirovich
Περίληψη:Title screen
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.
Режим доступа: по договору с организацией-держателем ресурса
Γλώσσα:Αγγλικά
Έκδοση: 2019
Θέματα:
Διαθέσιμο Online:https://doi.org/10.1103/PhysRevLett.122.151802
Μορφή: Ηλεκτρονική πηγή Κεφάλαιο βιβλίου
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662622
Περιγραφή
Περίληψη:Title screen
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.
Режим доступа: по договору с организацией-держателем ресурса
DOI:10.1103/PhysRevLett.122.151802