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Title: Singlet-catalyzed electroweak phase transitions in the 100 TeV frontier

Journal Article · · Physical Review D
 [1];  [2];  [3];  [2]
  1. Duke Univ., Durham, NC (United States)
  2. Univ. of Massachusetts, Amherst, MA (United States)
  3. Univ. of Sussex, Brighton (United Kingdom)

We study the prospects for probing a gauge singlet scalar-driven strong first-order electroweak phase transition with a future proton-proton collider in the 100 TeV range. Singlet-Higgs mixing enables resonantly enhanced di-Higgs production, potentially aiding discovery prospects. We perform Monte Carlo scans of the parameter space to identify regions associated with a strong first-order electroweak phase transition, analyze the corresponding di-Higgs signal, and select a set of benchmark points that span the range of di-Higgs signal strengths. For the b$$\bar{b}$$γγ and 4τ final states, we investigate discovery prospects for each benchmark point for the high-luminosity phase of the Large Hadron Collider and for a future pp collider with s=50, 100, or 200 TeV. We find that any of these future collider scenarios could significantly extend the reach beyond that of the high-luminosity LHC, and that with s=100 TeV (200 TeV) and 30 ab-1, the full region of parameter space favorable to strong first-order electroweak phase transitions is almost fully (fully) discoverable.

Research Organization:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-07CH11359; SC0011095
OSTI ID:
1354878
Alternate ID(s):
OSTI ID: 1328628
Report Number(s):
ACFI-T16-12; FERMILAB-PUB-16-670; arXiv:1605.06123; 1463286
Journal Information:
Physical Review D, Vol. 94, Issue 3; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 67 works
Citation information provided by
Web of Science

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Cited By (15)

Review of cosmic phase transitions: their significance and experimental signatures journal June 2019
From inflation to cosmological electroweak phase transition with a complex scalar singlet journal July 2018
FCC Physics Opportunities: Future Circular Collider Conceptual Design Report Volume 1 journal June 2019
Signs of heavy Higgs bosons at CLIC: an $$e^+ e^-$$ road to the electroweak phase transition journal June 2019
Triple Higgs boson production to six b-jets at a 100 TeV proton collider: Anomalous self-couplings and gauge-singlet scalars journal November 2019
FCC-hh: The Hadron Collider: Future Circular Collider Conceptual Design Report Volume 3 journal July 2019
Two-real-scalar-singlet extension of the SM: LHC phenomenology and benchmark scenarios text January 2020
Two-real-scalar-singlet extension of the SM: LHC phenomenology and benchmark scenarios journal February 2020
FCC Physics Opportunities text January 2019
FCC-hh: The Hadron Collider text January 2019
Probing the electroweak phase transition via enhanced di-Higgs boson production text January 2018
FCC-hh: The Hadron Collider text January 2019
Nonperturbative analysis of the gravitational waves from a first-order electroweak phase transition text January 2019
From inflation to cosmological electroweak phase transition with a complex scalar singlet text January 2018
Signs of heavy Higgs bosons at CLIC: An $e^+ e^-$ road to the Electroweak Phase Transition text January 2018

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