Large scale separation and hadronic resonances from a new strongly interacting sector

Hasenfratz, A.; Rebbi, C.; Witzel, O.

doi:10.1016/j.physletb.2017.07.058

Title: Large scale separation and hadronic resonances from a new strongly interacting sector

Journal Article · Sun Oct 01 00:00:00 EDT 2017 · Physics Letters B

DOI:https://doi.org/10.1016/j.physletb.2017.07.058· OSTI ID:1437720

Hasenfratz, A.; Rebbi, C.;

Many theories describing physics beyond the Standard Model rely on a large separation of scales. Large scale separation arises in models with mass-split flavors if the system is conformal in the ultraviolet but chirally broken in the infrared. Because of the conformal fixed point, these systems exhibit hyperscaling and a highly constrained resonance spectrum. We derive hyperscaling relations and investigate the realization of one such system with four light and eight heavy flavors. Our numerical simulations confirm that both light–light and heavy–heavy resonance masses show hyperscaling and depend only on the ratio of the light and heavy flavor masses. The heavy–heavy spectrum is qualitatively different from QCD and exhibits quarkonia with masses not proportional to the constituent quark mass. These resonances are only a few times heavier than the light–light ones, which would put them within reach of the LHC.

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Research Organization:: Univ. of Colorado, Boulder, CO (United States); Boston Univ., MA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: SC0010005; SC0015845

OSTI ID:: 1437720

Alternate ID(s):: OSTI ID: 1545038

Journal Information:: Physics Letters B, Journal Name: Physics Letters B Vol. 773 Journal Issue: C; ISSN 0370-2693

Publisher:: ElsevierCopyright Statement

Country of Publication:: Netherlands

Language:: English

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Cited by: 15 works

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Nonperturbative β function of twelve-flavor SU(3) gauge theory Hasenfratz, Anna; Schaich, David Journal of High Energy Physics, Vol. 2018, Issue 2 https://doi.org/10.1007/jhep02(2018)132	journal	February 2018
Lattice gauge theory for physics beyond the Standard Model Brower, Richard C.; Hasenfratz, Anna; Neil, Ethan T. The European Physical Journal A, Vol. 55, Issue 11 https://doi.org/10.1140/epja/i2019-12901-5	journal	November 2019
Sigma-assisted low scale composite Goldstone–Higgs Buarque Franzosi, Diogo; Cacciapaglia, Giacomo; Deandrea, Aldo The European Physical Journal C, Vol. 80, Issue 1 https://doi.org/10.1140/epjc/s10052-019-7572-z	journal	January 2020

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