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Title: Hidden GeV-Scale Interactions of Quarks

Abstract

We explore quark interactions mediated by new gauge bosons of masses in the 0.3 – 50 GeV range. A tight upper limit on the gauge coupling of light Z' bosons is imposed by the anomaly cancellation conditions in conjunction with collider bounds on new charged fermions. Limits from quarkonium decays are model dependent, while electroweak constraints are mild. We derive the limits for a Z' boson coupled to baryon number, and then construct a Z' model with relaxed constraints, allowing quark couplings as large as 0.2 for a mass of a few GeV.

Authors:
;
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1151743
Report Number(s):
FERMILAB-PUB-14-098-T
Journal ID: ISSN 0031-9007; PRLTAO; ArticleNumber: 061801; arXiv:1404.3947
DOE Contract Number:
AC02-07CH11359
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 113; Journal Issue: 6
Country of Publication:
United States
Language:
English
Subject:
hep-ph; High Energy Physics; Phenomenology

Citation Formats

Dobrescu, Bogdan A., and Frugiuele, Claudia. Hidden GeV-Scale Interactions of Quarks. United States: N. p., 2014. Web. doi:10.1103/PhysRevLett.113.061801.
Dobrescu, Bogdan A., & Frugiuele, Claudia. Hidden GeV-Scale Interactions of Quarks. United States. doi:10.1103/PhysRevLett.113.061801.
Dobrescu, Bogdan A., and Frugiuele, Claudia. Tue . "Hidden GeV-Scale Interactions of Quarks". United States. doi:10.1103/PhysRevLett.113.061801. https://www.osti.gov/servlets/purl/1151743.
@article{osti_1151743,
title = {Hidden GeV-Scale Interactions of Quarks},
author = {Dobrescu, Bogdan A. and Frugiuele, Claudia},
abstractNote = {We explore quark interactions mediated by new gauge bosons of masses in the 0.3 – 50 GeV range. A tight upper limit on the gauge coupling of light Z' bosons is imposed by the anomaly cancellation conditions in conjunction with collider bounds on new charged fermions. Limits from quarkonium decays are model dependent, while electroweak constraints are mild. We derive the limits for a Z' boson coupled to baryon number, and then construct a Z' model with relaxed constraints, allowing quark couplings as large as 0.2 for a mass of a few GeV.},
doi = {10.1103/PhysRevLett.113.061801},
journal = {Physical Review Letters},
number = 6,
volume = 113,
place = {United States},
year = {Tue Aug 05 00:00:00 EDT 2014},
month = {Tue Aug 05 00:00:00 EDT 2014}
}