Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays. / Tastet, Jean-Loup; Goudzovski, Evgueni; Timiryasov, Inar; Ruchayskiy, Oleg.

In: Physical Review D, Vol. 104, No. 5, 055005, 08.09.2021.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Tastet, J-L, Goudzovski, E, Timiryasov, I & Ruchayskiy, O 2021, 'Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays', Physical Review D, vol. 104, no. 5, 055005. https://doi.org/10.1103/PhysRevD.104.055005

APA

Tastet, J-L., Goudzovski, E., Timiryasov, I., & Ruchayskiy, O. (2021). Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays. Physical Review D, 104(5), [055005]. https://doi.org/10.1103/PhysRevD.104.055005

Vancouver

Tastet J-L, Goudzovski E, Timiryasov I, Ruchayskiy O. Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays. Physical Review D. 2021 Sep 8;104(5). 055005. https://doi.org/10.1103/PhysRevD.104.055005

Author

Tastet, Jean-Loup ; Goudzovski, Evgueni ; Timiryasov, Inar ; Ruchayskiy, Oleg. / Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays. In: Physical Review D. 2021 ; Vol. 104, No. 5.

Bibtex

@article{4c31f40dfc8d46f7831765f397bc84cb,
title = "Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays",
abstract = "Heavy neutral leptons (HNLs) appear in many extensions of the Standard Model of particle physics. In this study, we investigate to which extent the NA62 experiment at CERN could improve the existing bounds on the HNL mixing angle vertical bar Ue vertical bar(2) by performing a missing mass search in K+ -> pi(0)e(+)N decays in flight. We show that the limit vertical bar Ue vertical bar(2) similar or equal to 2 x 10(-6) can be reached with the currently available data in the mass range 125-144 MeV, which is currently not well covered by production searches. Future data, together with a dedicated trigger and/or improvements in rejection of out-of-acceptance photons, can improve this limit by another order of magnitude.",
keywords = "DARK-MATTER, MASSES, SIMULATION, NEUTRINOS, VMSM",
author = "Jean-Loup Tastet and Evgueni Goudzovski and Inar Timiryasov and Oleg Ruchayskiy",
year = "2021",
month = sep,
day = "8",
doi = "10.1103/PhysRevD.104.055005",
language = "English",
volume = "104",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Physical Society",
number = "5",

}

RIS

TY - JOUR

T1 - Projected NA62 sensitivity to heavy neutral lepton production in K+ -> pi(0)e(+) N decays

AU - Tastet, Jean-Loup

AU - Goudzovski, Evgueni

AU - Timiryasov, Inar

AU - Ruchayskiy, Oleg

PY - 2021/9/8

Y1 - 2021/9/8

N2 - Heavy neutral leptons (HNLs) appear in many extensions of the Standard Model of particle physics. In this study, we investigate to which extent the NA62 experiment at CERN could improve the existing bounds on the HNL mixing angle vertical bar Ue vertical bar(2) by performing a missing mass search in K+ -> pi(0)e(+)N decays in flight. We show that the limit vertical bar Ue vertical bar(2) similar or equal to 2 x 10(-6) can be reached with the currently available data in the mass range 125-144 MeV, which is currently not well covered by production searches. Future data, together with a dedicated trigger and/or improvements in rejection of out-of-acceptance photons, can improve this limit by another order of magnitude.

AB - Heavy neutral leptons (HNLs) appear in many extensions of the Standard Model of particle physics. In this study, we investigate to which extent the NA62 experiment at CERN could improve the existing bounds on the HNL mixing angle vertical bar Ue vertical bar(2) by performing a missing mass search in K+ -> pi(0)e(+)N decays in flight. We show that the limit vertical bar Ue vertical bar(2) similar or equal to 2 x 10(-6) can be reached with the currently available data in the mass range 125-144 MeV, which is currently not well covered by production searches. Future data, together with a dedicated trigger and/or improvements in rejection of out-of-acceptance photons, can improve this limit by another order of magnitude.

KW - DARK-MATTER

KW - MASSES

KW - SIMULATION

KW - NEUTRINOS

KW - VMSM

U2 - 10.1103/PhysRevD.104.055005

DO - 10.1103/PhysRevD.104.055005

M3 - Journal article

VL - 104

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 5

M1 - 055005

ER -

ID: 280058215