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Title: Disambiguating seesaw models using invariant mass variables at hadron colliders

Abstract

Here, we propose ways to distinguish between different mechanisms behind the collider signals of TeV-scale seesaw models for neutrino masses using kinematic endpoints of invariant mass variables. We particularly focus on two classes of such models widely discussed in literature: (i) Standard Model extended by the addition of singlet neutrinos and (ii) Left-Right Symmetric Models. Relevant scenarios involving the same "smoking-gun" collider signature of dilepton plus dijet with no missing transverse energy differ from one another by their event topology, resulting in distinctive relationships among the kinematic endpoints to be used for discerning them at hadron colliders. Furthermore, these kinematic endpoints are readily translated to the mass parameters of the on-shell particles through simple analytic expressions which can be used for measuring the masses of the new particles. We also conducted a Monte Carlo simulation with detector effects in order to test the viability of the proposed strategy in a realistic environment. Finally, we discuss the future prospects of testing these scenarios at the $$\sqrt{s}$$ = 14 and 100TeV hadron colliders.

Authors:
 [1];  [2];  [3]
  1. Univ. of Manchester (United Kingdom). Consortium for Fundamental Physics; Technical Univ. of Munich (Germany). Dept. of Physics
  2. Univ. of Florida, Gainesville, FL (United States). Dept. of Physics
  3. Univ. of Maryland, College Park, MD (United States). Maryland Center for Fundamental Physics and Dept. of Physics
Publication Date:
Research Org.:
Univ. of Florida, Gainesville, FL (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1327307
Grant/Contract Number:  
SC0010296
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 1; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; hadronic colliders

Citation Formats

Dev, P. S. Bhupal, Kim, Doojin, and Mohapatra, Rabindra N. Disambiguating seesaw models using invariant mass variables at hadron colliders. United States: N. p., 2016. Web. doi:10.1007/JHEP01(2016)118.
Dev, P. S. Bhupal, Kim, Doojin, & Mohapatra, Rabindra N. Disambiguating seesaw models using invariant mass variables at hadron colliders. United States. doi:10.1007/JHEP01(2016)118.
Dev, P. S. Bhupal, Kim, Doojin, and Mohapatra, Rabindra N. Tue . "Disambiguating seesaw models using invariant mass variables at hadron colliders". United States. doi:10.1007/JHEP01(2016)118. https://www.osti.gov/servlets/purl/1327307.
@article{osti_1327307,
title = {Disambiguating seesaw models using invariant mass variables at hadron colliders},
author = {Dev, P. S. Bhupal and Kim, Doojin and Mohapatra, Rabindra N.},
abstractNote = {Here, we propose ways to distinguish between different mechanisms behind the collider signals of TeV-scale seesaw models for neutrino masses using kinematic endpoints of invariant mass variables. We particularly focus on two classes of such models widely discussed in literature: (i) Standard Model extended by the addition of singlet neutrinos and (ii) Left-Right Symmetric Models. Relevant scenarios involving the same "smoking-gun" collider signature of dilepton plus dijet with no missing transverse energy differ from one another by their event topology, resulting in distinctive relationships among the kinematic endpoints to be used for discerning them at hadron colliders. Furthermore, these kinematic endpoints are readily translated to the mass parameters of the on-shell particles through simple analytic expressions which can be used for measuring the masses of the new particles. We also conducted a Monte Carlo simulation with detector effects in order to test the viability of the proposed strategy in a realistic environment. Finally, we discuss the future prospects of testing these scenarios at the $\sqrt{s}$ = 14 and 100TeV hadron colliders.},
doi = {10.1007/JHEP01(2016)118},
journal = {Journal of High Energy Physics (Online)},
number = 1,
volume = 2016,
place = {United States},
year = {2016},
month = {1}
}

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    Works referencing / citing this record:

    Lepton Number Violation: Seesaw Models and Their Collider Tests
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