Searches for the lepton number violating decay and the lepton flavor violating and decays are reported using data collected by the NA62 experiment at CERN in 2017-2018. No evidence for these decays is found and upper limits of the branching ratios are obtained at 90% confidence level: , and . These results improve by 1 order of magnitude over previous results for these decay modes.
Search for Lepton Number and Flavor Violation in and Decays / Aliberti R., Ambrosino F., Ammendola R., Angelucci B., Antonelli A., Anzivino G., Arcidiacono R., Bache T., Baeva A., Baigarashev D., Barbanera M., Bernhard J., Biagioni A., Bician L., Biino C., Bizzeti A., Blazek T., Bloch-Devaux B., Bonaiuto V., Boretto M., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - ELETTRONICO. - 127:(2021), pp. 131802-131809. [10.1103/PhysRevLett.127.131802]
Search for Lepton Number and Flavor Violation in and Decays
Bizzeti A.
;Bucci F.
;Cerri C.;Corvino M.;Costantini F.;D'Agostini G.;Di Lella L.;Fantechi R.;Filippi A.;Graham C.;Iacopini E.
;Lari E.;Latino G.
;Lenti M.
;Mannelli I.;Marchevski R.
;Migliore E.;Minucci E.;Parenti A.;Raggi M.;Ruggiero G.
;Sozzi M.;Vicini P.;Volpe R.
;
2021
Abstract
Searches for the lepton number violating decay and the lepton flavor violating and decays are reported using data collected by the NA62 experiment at CERN in 2017-2018. No evidence for these decays is found and upper limits of the branching ratios are obtained at 90% confidence level: , and . These results improve by 1 order of magnitude over previous results for these decay modes.| File | Dimensione | Formato | |
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Search-for-Lepton-Number-and-Flavor-Violation-in-and-DecaysPhysical-Review-Letters.pdf
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