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Title: Searching for the Higgsino-Bino sector at the LHC

Abstract

We study the search for electroweakinos at the 13 TeV LHC in the case of heavy scalar superpartners. We consider both the direct production mode and the one associated with the decay of heavy Higgs bosons, and concentrate on the case of light Higgsinos and Binos. In this case, the direct production searches becomes more challenging than in the light Wino scenario. In the direct production mode, we use the current experimental searches to set the reach for these particles at larger luminosities, and we emphasize the relevance of considering both the neutral gauge boson and the neutral Higgs decay modes of the second and third lightest neutralino. We show the complementarity of these searches with the ones induced by the decay of the heavy Higgs bosons, which are dominated by the associated production of the lightest neutralino with the second and third lightest ones, with the latter decaying into gauge bosons. We show that, depending on the value of tan β, the Higgs boson decay channel remains competitive with the direct production channel up to heavy Higgs boson masses of about 1 TeV. Moreover, this search is not limited by the same kinematic considerations as the ones in themore » direct production mode and can cover masses up to the kinematic threshold for the decay of the heavier electroweakinos into the lightest neutralino. This decay mode provides also an alternative way of looking for heavy Higgs bosons in this range of masses and hence should be a high priority for future LHC analyses.« less

Authors:
 [1];  [2];  [3];  [4]
  1. Univ. of Chicago, IL (United States)
  2. Indiana Univ., Bloomington, IN (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  3. Univ. of Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Univ. of Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1714343
Alternate Identifier(s):
OSTI ID: 1735360; OSTI ID: 1798726; OSTI ID: 1821678
Grant/Contract Number:  
FG02-13ER41958; SC0009924; AC02-06CH11357
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: 2020; Journal Issue: 9; Journal ID: ISSN 1029-8479
Publisher:
Springer Nature
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; Supersymmetric Standard Model

Citation Formats

Liu, Jia, McGinnis, Navin, Wagner, Carlos E. M., and Wang, Xiao-Ping. Searching for the Higgsino-Bino sector at the LHC. United States: N. p., 2020. Web. https://doi.org/10.1007/jhep09(2020)073.
Liu, Jia, McGinnis, Navin, Wagner, Carlos E. M., & Wang, Xiao-Ping. Searching for the Higgsino-Bino sector at the LHC. United States. https://doi.org/10.1007/jhep09(2020)073
Liu, Jia, McGinnis, Navin, Wagner, Carlos E. M., and Wang, Xiao-Ping. Wed . "Searching for the Higgsino-Bino sector at the LHC". United States. https://doi.org/10.1007/jhep09(2020)073. https://www.osti.gov/servlets/purl/1714343.
@article{osti_1714343,
title = {Searching for the Higgsino-Bino sector at the LHC},
author = {Liu, Jia and McGinnis, Navin and Wagner, Carlos E. M. and Wang, Xiao-Ping},
abstractNote = {We study the search for electroweakinos at the 13 TeV LHC in the case of heavy scalar superpartners. We consider both the direct production mode and the one associated with the decay of heavy Higgs bosons, and concentrate on the case of light Higgsinos and Binos. In this case, the direct production searches becomes more challenging than in the light Wino scenario. In the direct production mode, we use the current experimental searches to set the reach for these particles at larger luminosities, and we emphasize the relevance of considering both the neutral gauge boson and the neutral Higgs decay modes of the second and third lightest neutralino. We show the complementarity of these searches with the ones induced by the decay of the heavy Higgs bosons, which are dominated by the associated production of the lightest neutralino with the second and third lightest ones, with the latter decaying into gauge bosons. We show that, depending on the value of tan β, the Higgs boson decay channel remains competitive with the direct production channel up to heavy Higgs boson masses of about 1 TeV. Moreover, this search is not limited by the same kinematic considerations as the ones in the direct production mode and can cover masses up to the kinematic threshold for the decay of the heavier electroweakinos into the lightest neutralino. This decay mode provides also an alternative way of looking for heavy Higgs bosons in this range of masses and hence should be a high priority for future LHC analyses.},
doi = {10.1007/jhep09(2020)073},
journal = {Journal of High Energy Physics (Online)},
number = 9,
volume = 2020,
place = {United States},
year = {2020},
month = {9}
}

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