skip to main content
DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Mass scale of vectorlike matter and superpartners from IR fixed point predictions of gauge and top Yukawa couplings

Abstract

We use the IR fixed point predictions for gauge couplings and the top Yukawa coupling in the minimal supersymmetric model (MSSM) extended with vectorlike families to infer the scale of vectorlike matter and superpartners. We quote results for several extensions of the MSSM and present results in detail for the MSSM extended with one complete vectorlike family. We find that for a unified gauge coupling α G > 0.3 vectorlike matter or superpartners are expected within 1.7 TeV (2.5 TeV) based on all three gauge couplings being simultaneously within 1.5% (5%) from observed values. This range extends to about 4 TeV for α G > 0.2 . We also find that in the scenario with two additional large Yukawa couplings of vectorlike quarks the IR fixed point value of the top Yukawa coupling independently points to a multi-TeV range for vectorlike matter and superpartners. Assuming a universal value for all large Yukawa couplings at the grand unified theory scale, the measured top quark mass can be obtained from the IR fixed point for tan β ≃ 4 . The range expands to any tan β > 3 for significant departures from the universality assumption. Considering that the Higgs boson massmore » also points to a multi-TeV range for superpartners in the MSSM, adding a complete vectorlike family at the same scale provides a compelling scenario where the values of gauge couplings and the top quark mass are understood as a consequence of the particle content of the model« less

Authors:
;
Publication Date:
Research Org.:
Indiana Univ., Bloomington, IN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1423928
Alternate Identifier(s):
OSTI ID: 1498843
Grant/Contract Number:  
SC0010120
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 97 Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Dermíšek, Radovan, and McGinnis, Navin. Mass scale of vectorlike matter and superpartners from IR fixed point predictions of gauge and top Yukawa couplings. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.97.055009.
Dermíšek, Radovan, & McGinnis, Navin. Mass scale of vectorlike matter and superpartners from IR fixed point predictions of gauge and top Yukawa couplings. United States. doi:10.1103/PhysRevD.97.055009.
Dermíšek, Radovan, and McGinnis, Navin. Tue . "Mass scale of vectorlike matter and superpartners from IR fixed point predictions of gauge and top Yukawa couplings". United States. doi:10.1103/PhysRevD.97.055009.
@article{osti_1423928,
title = {Mass scale of vectorlike matter and superpartners from IR fixed point predictions of gauge and top Yukawa couplings},
author = {Dermíšek, Radovan and McGinnis, Navin},
abstractNote = {We use the IR fixed point predictions for gauge couplings and the top Yukawa coupling in the minimal supersymmetric model (MSSM) extended with vectorlike families to infer the scale of vectorlike matter and superpartners. We quote results for several extensions of the MSSM and present results in detail for the MSSM extended with one complete vectorlike family. We find that for a unified gauge coupling α G > 0.3 vectorlike matter or superpartners are expected within 1.7 TeV (2.5 TeV) based on all three gauge couplings being simultaneously within 1.5% (5%) from observed values. This range extends to about 4 TeV for α G > 0.2 . We also find that in the scenario with two additional large Yukawa couplings of vectorlike quarks the IR fixed point value of the top Yukawa coupling independently points to a multi-TeV range for vectorlike matter and superpartners. Assuming a universal value for all large Yukawa couplings at the grand unified theory scale, the measured top quark mass can be obtained from the IR fixed point for tan β ≃ 4 . The range expands to any tan β > 3 for significant departures from the universality assumption. Considering that the Higgs boson mass also points to a multi-TeV range for superpartners in the MSSM, adding a complete vectorlike family at the same scale provides a compelling scenario where the values of gauge couplings and the top quark mass are understood as a consequence of the particle content of the model},
doi = {10.1103/PhysRevD.97.055009},
journal = {Physical Review D},
number = 5,
volume = 97,
place = {United States},
year = {2018},
month = {3}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevD.97.055009

Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

Save / Share:

Works referenced in this record:

Strong unification
journal, December 1997


Review of Particle Physics
journal, October 2016


Universal Landau pole and physics below the 100 TeV scale
journal, August 2017


Z near the Z -pole
journal, April 2012


Explanation of the muon g 2 anomaly with vectorlike leptons and its implications for Higgs decays
journal, July 2013


Insensitive unification of gauge couplings
journal, July 2012


Low-energy signatures of semiperturbative unification
journal, April 1997


Higgs boson mass, sparticle spectrum, and the little hierarchy problem in an extended MSSM
journal, September 2008


New vector boson near the Z -pole and the puzzle in precision electroweak data
journal, August 2011


Extra vectorlike matter and the lightest Higgs scalar boson mass in low-energy supersymmetry
journal, February 2010


Precision corrections in the minimal supersymmetric standard model
journal, April 1997


Beautiful mirrors and precision electroweak data
journal, January 2002


Mass and mixing angle predictions from infra-red fixed points
journal, January 1981


Regularization dependence of running couplings in softly broken supersymmetry
journal, December 1993


Bounds on the number and masses of quarks and leptons
journal, April 1978


The effect of Yukawa couplings on unification predictions and the non-perturbative limit
journal, September 1998


Anthropic solution to the magnetic muon anomaly: the charged see-saw
journal, February 2012

  • Kannike, Kristjan; Raidal, Martti; Straub, David M.
  • Journal of High Energy Physics, Vol. 2012, Issue 2
  • DOI: 10.1007/JHEP02(2012)106

Higgs couplings and precision electroweak data
journal, January 2013

  • Batell, Brian; Gori, Stefania; Wang, Lian-Tao
  • Journal of High Energy Physics, Vol. 2013, Issue 1
  • DOI: 10.1007/JHEP01(2013)139

Asymptotic behaviour of supersymmetric Yang-Mills theories in the two-loop approximation
journal, February 1975


Two-loop renormalization group equations for soft supersymmetry-breaking couplings
journal, August 1994


Unification of gauge couplings in the standard model with extra vectorlike families
journal, March 2013


The problems of unification-mismatch and low α3: A solution with light vector-like matter
journal, September 1996


Two-loop renormalization group equations in a general quantum field theory (II). Yukawa couplings
journal, April 1984


Loop suppressed electroweak symmetry breaking and naturally heavy superpartners
journal, January 2017


Weinberg angle without grand unification
journal, October 1993


Semi-perturbative unification with extra vector-like families
journal, May 2000


Limits on vectorlike leptons from searches for anomalous production of multi-lepton events
journal, December 2014

  • Dermíšek, Radovan; Hall, Jonathan P.; Lunghi, Enrico
  • Journal of High Energy Physics, Vol. 2014, Issue 12
  • DOI: 10.1007/JHEP12(2014)013

Renormalization group study of the standard model and its extensions: The minimal supersymmetric standard model
journal, May 1994


Two-loop renormalization group equations in a general quantum field theory
journal, July 1983