Higgs and superparticle mass predictions from the landscape
Abstract
Predictions for the scale of SUSY breaking from the string landscape go back at least a decade to the work of Denef and Douglas on the statistics of flux vacua. The assumption that an assortment of SUSY breaking F and D terms are present in the hidden sector, and their values are uniformly distributed in the landscape of D = 4, N = 1 effective supergravity models, leads to the expectation that the landscape pulls towards large values of soft terms favored by a power law behavior P(msoft)~m$$n\atop{soft}$$. On the other hand, similar to Weinberg’s prediction of the cosmological constant, one can assume an anthropic selection of weak scales not too far from the measured value characterized by mW,Z,h ~ 100 GeV. Working within a fertile patch of gravity-mediated low energy effective theories where the superpotential μ term is << m3/2, as occurs in models such as radiative breaking of Peccei-Quinn symmetry, this biases statistical distributions on the landscape by a cutoff on the parameter ΔEW, which measures fine-tuning in the mZ-μ mass relation. The combined effect of statistical and anthropic pulls turns out to favor low energy phenomenology that is more or less agnostic to UV physics. While a uniform selection n = 0 of soft terms produces too low a value for mh, taking n = 1 and 2 produce most probabilistically mh~125 GeV for negative trilinear terms. For n ≥ 1, there is a pull towards split generations with m$$\sim\atop{q}$$,$$\sim\atop{ℓ}$$(1,2)~10-30 TeV whilst m$$\sim\atop{t}$$1 ~1-2 TeV. The most probable gluino mass comes in at ~ 3 - 4 TeV — apparently beyond the reach of HL-LHC (although the required quasi-degenerate higgsinos should still be within reach). We comment on consequences for SUSY collider and dark matter searches.
- Authors:
-
- Univ. of Oklahoma, Norman, OK (United States)
- Univ. of Wisconsin, Madison, WI (United States)
- University of Central Oklahoma, Edmund, OK (United States)
- Publication Date:
- Research Org.:
- Univ. of Oklahoma, Norman, OK (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1777466
- Report Number(s):
- arXiv:1712.01399
Journal ID: ISSN 1029-8479; TRN: US2209465
- Grant/Contract Number:
- SC0009956
- 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: 2018; Journal Issue: 3; 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; Strings and branes phenomenology
Citation Formats
Baer, Howard A, Barger, Vernon, Serce, Hasan, and Sinha, Kuver. Higgs and superparticle mass predictions from the landscape. United States: N. p., 2018.
Web. doi:10.1007/jhep03(2018)002.
Baer, Howard A, Barger, Vernon, Serce, Hasan, & Sinha, Kuver. Higgs and superparticle mass predictions from the landscape. United States. https://doi.org/10.1007/jhep03(2018)002
Baer, Howard A, Barger, Vernon, Serce, Hasan, and Sinha, Kuver. Mon .
"Higgs and superparticle mass predictions from the landscape". United States. https://doi.org/10.1007/jhep03(2018)002. https://www.osti.gov/servlets/purl/1777466.
@article{osti_1777466,
title = {Higgs and superparticle mass predictions from the landscape},
author = {Baer, Howard A and Barger, Vernon and Serce, Hasan and Sinha, Kuver},
abstractNote = {Predictions for the scale of SUSY breaking from the string landscape go back at least a decade to the work of Denef and Douglas on the statistics of flux vacua. The assumption that an assortment of SUSY breaking F and D terms are present in the hidden sector, and their values are uniformly distributed in the landscape of D = 4, N = 1 effective supergravity models, leads to the expectation that the landscape pulls towards large values of soft terms favored by a power law behavior P(msoft)~m$n\atop{soft}$. On the other hand, similar to Weinberg’s prediction of the cosmological constant, one can assume an anthropic selection of weak scales not too far from the measured value characterized by mW,Z,h ~ 100 GeV. Working within a fertile patch of gravity-mediated low energy effective theories where the superpotential μ term is << m3/2, as occurs in models such as radiative breaking of Peccei-Quinn symmetry, this biases statistical distributions on the landscape by a cutoff on the parameter ΔEW, which measures fine-tuning in the mZ-μ mass relation. The combined effect of statistical and anthropic pulls turns out to favor low energy phenomenology that is more or less agnostic to UV physics. While a uniform selection n = 0 of soft terms produces too low a value for mh, taking n = 1 and 2 produce most probabilistically mh~125 GeV for negative trilinear terms. For n ≥ 1, there is a pull towards split generations with m$\sim\atop{q}$,$\sim\atop{ℓ}$(1,2)~10-30 TeV whilst m$\sim\atop{t}$1 ~1-2 TeV. The most probable gluino mass comes in at ~ 3 - 4 TeV — apparently beyond the reach of HL-LHC (although the required quasi-degenerate higgsinos should still be within reach). We comment on consequences for SUSY collider and dark matter searches.},
doi = {10.1007/jhep03(2018)002},
journal = {Journal of High Energy Physics (Online)},
number = 3,
volume = 2018,
place = {United States},
year = {Mon Mar 05 00:00:00 EST 2018},
month = {Mon Mar 05 00:00:00 EST 2018}
}
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Heterotic mini-landscape (II): Completing the search for MSSM vacua in a <mml:math altimg="si1.gif" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd"><mml:msub><mml:mi mathvariant="double-struck">Z</mml:mi><mml:mn>6</mml:mn></mml:msub></mml:math> orbifold
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Works referencing / citing this record:
Revisiting the SUSY mu problem and its solutions in the LHC era
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LHC luminosity and energy upgrades confront natural supersymmetry models
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Is the magnitude of the Peccei–Quinn scale set by the landscape?
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