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Title: Coupling QCD-Scale Axionlike Particles to Gluons

Abstract

We present a novel data-driven method for determining the hadronic interaction strengths of axionlike particles (ALPs) with QCD-scale masses. Using our method, it is possible to calculate the hadronic production and decay rates of ALPs, along with many of the largest ALP decay rates to exclusive final states. To illustrate the impact on QCD-scale ALP phenomenology, we consider the scenario where the ALP-gluon coupling is dominant over the ALP coupling to photons, electroweak bosons, and all fermions for mπ ≲ ma ≲ 3 GeV. We emphasize, however, that our method can easily be generalized to any set of ALP couplings to standard model particles. Finally, using the approach developed here, we provide calculations for the branching fractions of ηc → VV decays; i.e., ηc decays into two vector mesons, which are consistent with the known experimental values.

Authors:
; ;
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC); National Science Foundation (NSF)
OSTI Identifier:
1543177
Alternate Identifier(s):
OSTI ID: 1612291
Grant/Contract Number:  
SC00015476; SC0015476; PHY-1607611; PHY-1607225
Resource Type:
Published Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 123 Journal Issue: 3; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Physics; Hypothetical particle physics models; Axions; Gluons

Citation Formats

Aloni, Daniel, Soreq, Yotam, and Williams, Mike. Coupling QCD-Scale Axionlike Particles to Gluons. United States: N. p., 2019. Web. doi:10.1103/PhysRevLett.123.031803.
Aloni, Daniel, Soreq, Yotam, & Williams, Mike. Coupling QCD-Scale Axionlike Particles to Gluons. United States. https://doi.org/10.1103/PhysRevLett.123.031803
Aloni, Daniel, Soreq, Yotam, and Williams, Mike. Fri . "Coupling QCD-Scale Axionlike Particles to Gluons". United States. https://doi.org/10.1103/PhysRevLett.123.031803.
@article{osti_1543177,
title = {Coupling QCD-Scale Axionlike Particles to Gluons},
author = {Aloni, Daniel and Soreq, Yotam and Williams, Mike},
abstractNote = {We present a novel data-driven method for determining the hadronic interaction strengths of axionlike particles (ALPs) with QCD-scale masses. Using our method, it is possible to calculate the hadronic production and decay rates of ALPs, along with many of the largest ALP decay rates to exclusive final states. To illustrate the impact on QCD-scale ALP phenomenology, we consider the scenario where the ALP-gluon coupling is dominant over the ALP coupling to photons, electroweak bosons, and all fermions for mπ ≲ ma ≲ 3 GeV. We emphasize, however, that our method can easily be generalized to any set of ALP couplings to standard model particles. Finally, using the approach developed here, we provide calculations for the branching fractions of ηc → VV decays; i.e., ηc decays into two vector mesons, which are consistent with the known experimental values.},
doi = {10.1103/PhysRevLett.123.031803},
journal = {Physical Review Letters},
number = 3,
volume = 123,
place = {United States},
year = {Fri Jul 19 00:00:00 EDT 2019},
month = {Fri Jul 19 00:00:00 EDT 2019}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevLett.123.031803

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Cited by: 55 works
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