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Searches for lepton number violating K+ → π−(π0)e+e+ decays

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The NA62 Collaboration (Including: Brunetti, Maria). (2022) Searches for lepton number violating K+ → π−(π0)e+e+ decays. Physics Letters B, 830 . 137172. doi:10.1016/j.physletb.2022.137172 ISSN 0370-2693.

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Official URL: https://doi.org/10.1016/j.physletb.2022.137172

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Abstract

Searches for lepton number violating and decays have been performed using the complete dataset collected by the NA62 experiment at CERN in 2016–2018. Upper limits of and are obtained on the decay branching fractions at 90% confidence level. The former result improves by a factor of four over the previous best limit, while the latter result represents the first limit on the decay rate.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH): Leptons (Nuclear physics), Leptons (Nuclear physics) -- Decay, Neutrinos, Particles (Nuclear physics) -- Chirality, Kaons -- Decay
Journal or Publication Title: Physics Letters B
Publisher: Elsevier Science BV
ISSN: 0370-2693
Official Date: 10 July 2022
Dates:
DateEvent
10 July 2022Published
16 May 2022Available
11 May 2022Accepted
Volume: 830
Article Number: 137172
DOI: 10.1016/j.physletb.2022.137172
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 11 October 2022
Date of first compliant Open Access: 11 October 2022
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
4.4512.10Fonds De La Recherche Scientifique - FNRShttp://dx.doi.org/10.13039/501100002661
1.B.258.20Fonds De La Recherche Scientifique - FNRShttp://dx.doi.org/10.13039/501100002661
2.5020.11Fonds national de la recherche scientifique (Belgium)http://viaf.org/viaf/149240482
UNSPECIFIEDFédération Wallonie-Bruxelleshttp://dx.doi.org/10.13039/501100002910
SAPPJ-2018-0017[NSERC] Natural Sciences and Engineering Research Council of Canadahttp://dx.doi.org/10.13039/501100000038
LM 2018104Ministerstvo Školství, Mládeže a Tělovýchovyhttp://dx.doi.org/10.13039/501100001823
05H12UM5Bundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
05H18UMCNABundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
05H15UMCNABundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
UNSPECIFIED[INFN] Instituto Nazionale di Fisica Nuclearehttp://dx.doi.org/10.13039/501100004007
UNSPECIFIEDMinistero dell’Istruzione, dell’Università e della Ricercahttp://dx.doi.org/10.13039/501100003407
UNSPECIFIEDConsejo Nacional de Ciencia y Tecnologíahttp://dx.doi.org/10.13039/501100003141
1/16.03.2016Institutul de Fizică Atomică UNSPECIFIED
PN 19 06 01 04Institutul de Fizică Atomică UNSPECIFIED
UNSPECIFIEDInstitut i︠a︡dernykh issledovaniĭ (Rossiĭskai︠a︡ akademii︠a︡ nauk)http://viaf.org/viaf/158442850
UNSPECIFIEDJoint Institute for Nuclear Researchhttp://dx.doi.org/10.13039/501100003822
UNSPECIFIEDNational Research Center "Kurchatov Institute"http://dx.doi.org/10.13039/501100013400
UNSPECIFIEDMinistry of Education and Science of the Russian Federationhttp://dx.doi.org/10.13039/501100003443
UNSPECIFIEDMinisterstvo školstva, vedy, výskumu a športu Slovenskej republiky UNSPECIFIED
UNSPECIFIEDCERNhttp://dx.doi.org/10.13039/100012470
ST/J00412X/1[STFC] Science and Technology Facilities Councilhttp://dx.doi.org/10.13039/501100000271
1506088[NSF] National Science Foundation (US)http://dx.doi.org/10.13039/100000001
1806430[NSF] National Science Foundation (US)http://dx.doi.org/10.13039/100000001
268062 (UniversaLepto)European Research Councilhttp://dx.doi.org/10.13039/501100000781
336581 (KaonLepton)European Research Councilhttp://dx.doi.org/10.13039/501100000781
UNCE/SCI/013Univerzita Karlova v Prazehttp://dx.doi.org/10.13039/100007397
RBFR12JF2Z (Project GAP)Ministero dell’Istruzione, dell’Università e della Ricercahttp://dx.doi.org/10.13039/501100003407
19-72-10096Russian Science Foundationhttp://dx.doi.org/10.13039/501100006769
ST/M005798/1[STFC] Science and Technology Facilities Councilhttp://dx.doi.org/10.13039/501100000271
268062European Research Councilhttp://dx.doi.org/10.13039/501100000781
336581 European Research Councilhttp://dx.doi.org/10.13039/501100000781
802836 (AxScale)European Research Councilhttp://dx.doi.org/10.13039/501100000781
701386Horizon 2020 Framework Programmehttp://dx.doi.org/10.13039/100010661
754496Horizon 2020 Framework Programmehttp://dx.doi.org/10.13039/100010661
842407Horizon 2020 Framework Programmehttp://dx.doi.org/10.13039/100010661
893101Horizon 2020 Framework Programmehttp://dx.doi.org/10.13039/100010661
101023808Horizon 2020 Framework Programmehttp://dx.doi.org/10.13039/100010661

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