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Title: Exotic decays of the 125 GeV Higgs boson

We perform an extensive survey of nonstandard Higgs decays that are consistent with the 125 GeV Higgs-like resonance. Our aim is to motivate a large set of new experimental analyses on the existing and forthcoming data from the Large Hadron Collider (LHC). The explicit search for exotic Higgs decays presents a largely untapped discovery opportunity for the LHC collaborations, as such decays may be easily missed by other searches. We emphasize that the Higgs is uniquely sensitive to the potential existence of new weakly coupled particles and provide a unified discussion of a large class of both simplified and complete models that give rise to characteristic patterns of exotic Higgs decays. We assess the status of exotic Higgs decays after LHC run I. In many cases we are able to set new nontrivial constraints by reinterpreting existing experimental analyses. We point out that improvements are possible with dedicated analyses and perform some preliminary collider studies. As a result, we prioritize the analyses according to their theoretical motivation and their experimental feasibility.
Authors:
 [1] ;  [1] ;  [2] ;  [3] ;  [4] ;  [5] ;  [6] ;  [7] ;  [4] ;  [4] ;  [1] ;  [8] ;  [1]
  1. Stony Brook Univ., Stony Brook, NY (United States)
  2. Univ. of Chicago, Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States); Perimeter Inst. for Theoretical Physics, Waterloo, ON (Canada)
  3. Florida State Univ., Tallahassee, FL (United States)
  4. Harvard Univ., Cambridge, MA (United States)
  5. The Hong Kong Univ. of Science and Technology, Kowloon (Hong Kong)
  6. Univ. of Pittsburgh, Pittsburgh, PA (United States)
  7. Univ. of Victoria, Victoria, BC (Canada); Univ. of Washington, Seattle, WA (United States)
  8. Univ. of Pittsburgh, Pittsburgh, PA (United States); Boston Univ., Boston, MA (United States)
Publication Date:
Grant/Contract Number:
AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
Physical Review. D, Particles, Fields, Gravitation and Cosmology
Additional Journal Information:
Journal Volume: 90; Journal Issue: 7; Journal ID: ISSN 1550-7998
Publisher:
American Physical Society (APS)
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
National Science Foundation (NSF); USDOE Office of Science - Early Career Award; Alfred P. Sloan Foundation; Natural Sciences and Engineering Research Council of Canada (NSERC); USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
OSTI Identifier:
1332991

Curtin, David, Essig, Rouven, Gori, Stefania, Jaiswal, Prerit, Katz, Andrey, Liu, Tao, Liu, Zhen, McKeen, David, Shelton, Jessie, Strassler, Matthew, Surujon, Ze’ev, Tweedie, Brock, and Zhong, Yi -Ming. Exotic decays of the 125 GeV Higgs boson. United States: N. p., Web. doi:10.1103/PhysRevD.90.075004.
Curtin, David, Essig, Rouven, Gori, Stefania, Jaiswal, Prerit, Katz, Andrey, Liu, Tao, Liu, Zhen, McKeen, David, Shelton, Jessie, Strassler, Matthew, Surujon, Ze’ev, Tweedie, Brock, & Zhong, Yi -Ming. Exotic decays of the 125 GeV Higgs boson. United States. doi:10.1103/PhysRevD.90.075004.
Curtin, David, Essig, Rouven, Gori, Stefania, Jaiswal, Prerit, Katz, Andrey, Liu, Tao, Liu, Zhen, McKeen, David, Shelton, Jessie, Strassler, Matthew, Surujon, Ze’ev, Tweedie, Brock, and Zhong, Yi -Ming. 2014. "Exotic decays of the 125 GeV Higgs boson". United States. doi:10.1103/PhysRevD.90.075004. https://www.osti.gov/servlets/purl/1332991.
@article{osti_1332991,
title = {Exotic decays of the 125 GeV Higgs boson},
author = {Curtin, David and Essig, Rouven and Gori, Stefania and Jaiswal, Prerit and Katz, Andrey and Liu, Tao and Liu, Zhen and McKeen, David and Shelton, Jessie and Strassler, Matthew and Surujon, Ze’ev and Tweedie, Brock and Zhong, Yi -Ming},
abstractNote = {We perform an extensive survey of nonstandard Higgs decays that are consistent with the 125 GeV Higgs-like resonance. Our aim is to motivate a large set of new experimental analyses on the existing and forthcoming data from the Large Hadron Collider (LHC). The explicit search for exotic Higgs decays presents a largely untapped discovery opportunity for the LHC collaborations, as such decays may be easily missed by other searches. We emphasize that the Higgs is uniquely sensitive to the potential existence of new weakly coupled particles and provide a unified discussion of a large class of both simplified and complete models that give rise to characteristic patterns of exotic Higgs decays. We assess the status of exotic Higgs decays after LHC run I. In many cases we are able to set new nontrivial constraints by reinterpreting existing experimental analyses. We point out that improvements are possible with dedicated analyses and perform some preliminary collider studies. As a result, we prioritize the analyses according to their theoretical motivation and their experimental feasibility.},
doi = {10.1103/PhysRevD.90.075004},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 7,
volume = 90,
place = {United States},
year = {2014},
month = {10}
}