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Title: Displaced vertex signature of type-I seesaw model

Abstract

A certain class of new physics models includes long-lived particles which are singlet under the standard model (SM) gauge group. A displaced vertex is a spectacular signature to probe such particles productions at the high energy colliders, with a negligible SM background. In the context of the minimal gauged B-L extended SM, we consider a pair creation of Majorana right-handed neutrinos (RHNs) at the high energy colliders through the production of the SM and the B-L Higgs bosons and their subsequent decays into RHNs. With parameters reproducing the neutrino oscillation data, we show that the RHNs are long-lived and their displaced vertex signature can be observed at the next generation displaced vertex search experiments, such as the HL-LHC, the MATHUSLA, the LHeC, and the FCC-eh. In conclusion, we find that the lifetime of the RHNs is controlled by the lightest light neutrino mass, which leads to a correlation between the displaced vertex search and the search limit of the future neutrinoless double beta-decay experiments.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Oklahoma State Univ., Stillwater, OK (United States)
  2. Univ. of Alabama, Tuscaloosa, AL (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1464848
Alternate Identifier(s):
OSTI ID: 1457542
Report Number(s):
arXiv:1804.06828; OSU-HEP-18-02; FERMILAB-PUB-18-176-T
Journal ID: ISSN 2470-0010; PRVDAQ; 1668882; TRN: US1901386
Grant/Contract Number:  
AC02-07CH11359; SC0012447; SC0016013
Resource Type:
Journal Article: Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 98; Journal Issue: 3; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Jana, Sudip, Okada, Nobuchika, and Raut, Digesh. Displaced vertex signature of type-I seesaw model. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.035023.
Jana, Sudip, Okada, Nobuchika, & Raut, Digesh. Displaced vertex signature of type-I seesaw model. United States. doi:10.1103/PhysRevD.98.035023.
Jana, Sudip, Okada, Nobuchika, and Raut, Digesh. Thu . "Displaced vertex signature of type-I seesaw model". United States. doi:10.1103/PhysRevD.98.035023.
@article{osti_1464848,
title = {Displaced vertex signature of type-I seesaw model},
author = {Jana, Sudip and Okada, Nobuchika and Raut, Digesh},
abstractNote = {A certain class of new physics models includes long-lived particles which are singlet under the standard model (SM) gauge group. A displaced vertex is a spectacular signature to probe such particles productions at the high energy colliders, with a negligible SM background. In the context of the minimal gauged B-L extended SM, we consider a pair creation of Majorana right-handed neutrinos (RHNs) at the high energy colliders through the production of the SM and the B-L Higgs bosons and their subsequent decays into RHNs. With parameters reproducing the neutrino oscillation data, we show that the RHNs are long-lived and their displaced vertex signature can be observed at the next generation displaced vertex search experiments, such as the HL-LHC, the MATHUSLA, the LHeC, and the FCC-eh. In conclusion, we find that the lifetime of the RHNs is controlled by the lightest light neutrino mass, which leads to a correlation between the displaced vertex search and the search limit of the future neutrinoless double beta-decay experiments.},
doi = {10.1103/PhysRevD.98.035023},
journal = {Physical Review D},
issn = {2470-0010},
number = 3,
volume = 98,
place = {United States},
year = {2018},
month = {8}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at 10.1103/PhysRevD.98.035023

Citation Metrics:
Cited by: 2 works
Citation information provided by
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