Searches for lepton number violating K+ decays

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Searches for lepton number violating K+ decays. / NA62 Collaboration ; Goudzovski, Evgueni.

In: Physics Letters B, Vol. 797, 134794, 10.10.2019.

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@article{3b52177e4c5d4c6db7618c816dfd7043,
title = "Searches for lepton number violating K+ decays",
abstract = "The NA62 experiment at CERN reports a search for the lepton number violating decays K+→π−e+e+ and K+→π−μ+μ+ using a data sample collected in 2017. No signals are observed, and upper limits on the branching fractions of these decays of 2.2×10−10 and 4.2×10−11 are obtained, respectively, at 90% confidence level. These upper limits improve on previously reported measurements by factors of 3 and 2, respectively.",
author = "{NA62 Collaboration} and Evgueni Goudzovski",
year = "2019",
month = oct,
day = "10",
doi = "10.1016/j.physletb.2019.07.041",
language = "English",
volume = "797",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Searches for lepton number violating K+ decays

AU - NA62 Collaboration

AU - Goudzovski, Evgueni

PY - 2019/10/10

Y1 - 2019/10/10

N2 - The NA62 experiment at CERN reports a search for the lepton number violating decays K+→π−e+e+ and K+→π−μ+μ+ using a data sample collected in 2017. No signals are observed, and upper limits on the branching fractions of these decays of 2.2×10−10 and 4.2×10−11 are obtained, respectively, at 90% confidence level. These upper limits improve on previously reported measurements by factors of 3 and 2, respectively.

AB - The NA62 experiment at CERN reports a search for the lepton number violating decays K+→π−e+e+ and K+→π−μ+μ+ using a data sample collected in 2017. No signals are observed, and upper limits on the branching fractions of these decays of 2.2×10−10 and 4.2×10−11 are obtained, respectively, at 90% confidence level. These upper limits improve on previously reported measurements by factors of 3 and 2, respectively.

U2 - 10.1016/j.physletb.2019.07.041

DO - 10.1016/j.physletb.2019.07.041

M3 - Article

VL - 797

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

M1 - 134794

ER -