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Title: Cornering natural SUSY at LHC Run II and beyond

Abstract

We derive the latest constraints on various simplified models of natural SUSY with light higgsinos, stops and gluinos, using a detailed and comprehensive reinterpretation of the most recent 13 TeV ATLAS and CMS searches with ~ 15 fb-1 of data. We discuss the implications of these constraints for fine-tuning of the electroweak scale. While the most “vanilla” version of SUSY (the MSSM with R-parity and flavor-degenerate sfermions) with 10% fine-tuning is ruled out by the current constraints, models with decoupled valence squarks or reduced missing energy can still be fully natural. However, in all of these models, the mediation scale must be extremely low (<100 TeV). We conclude by considering the prospects for the high-luminosity LHC era, where we expect the current limits on particle masses to improve by up to ~ 1 TeV, and discuss further model-building directions for natural SUSY that are motivated by this work.

Authors:
 [1];  [1];  [1];  [1];  [1]
  1. Rutgers Univ., Piscataway, NJ (United States). New High Energy Theory Center (NHETC). Dept. of Physics and Astronomy
Publication Date:
Research Org.:
Rutgers Univ., Piscataway, NJ (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1425792
Grant/Contract Number:  
SC0013678; SC0010008
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: 2017; Journal Issue: 8; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; supersymmetry phenomenology

Citation Formats

Buckley, Matthew R., Feld, David, Macaluso, Sebastian, Monteux, Angelo, and Shih, David. Cornering natural SUSY at LHC Run II and beyond. United States: N. p., 2017. Web. doi:10.1007/JHEP08(2017)115.
Buckley, Matthew R., Feld, David, Macaluso, Sebastian, Monteux, Angelo, & Shih, David. Cornering natural SUSY at LHC Run II and beyond. United States. https://doi.org/10.1007/JHEP08(2017)115
Buckley, Matthew R., Feld, David, Macaluso, Sebastian, Monteux, Angelo, and Shih, David. Fri . "Cornering natural SUSY at LHC Run II and beyond". United States. https://doi.org/10.1007/JHEP08(2017)115. https://www.osti.gov/servlets/purl/1425792.
@article{osti_1425792,
title = {Cornering natural SUSY at LHC Run II and beyond},
author = {Buckley, Matthew R. and Feld, David and Macaluso, Sebastian and Monteux, Angelo and Shih, David},
abstractNote = {We derive the latest constraints on various simplified models of natural SUSY with light higgsinos, stops and gluinos, using a detailed and comprehensive reinterpretation of the most recent 13 TeV ATLAS and CMS searches with ~ 15 fb-1 of data. We discuss the implications of these constraints for fine-tuning of the electroweak scale. While the most “vanilla” version of SUSY (the MSSM with R-parity and flavor-degenerate sfermions) with 10% fine-tuning is ruled out by the current constraints, models with decoupled valence squarks or reduced missing energy can still be fully natural. However, in all of these models, the mediation scale must be extremely low (<100 TeV). We conclude by considering the prospects for the high-luminosity LHC era, where we expect the current limits on particle masses to improve by up to ~ 1 TeV, and discuss further model-building directions for natural SUSY that are motivated by this work.},
doi = {10.1007/JHEP08(2017)115},
journal = {Journal of High Energy Physics (Online)},
number = 8,
volume = 2017,
place = {United States},
year = {Fri Aug 25 00:00:00 EDT 2017},
month = {Fri Aug 25 00:00:00 EDT 2017}
}

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Cited by: 23 works
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