First Constraints on Heavy QCD Axions with a Liquid Argon Time Projection Chamber Using the ArgoNeuT Experiment
Journal Article
·
· Physical Review Letters
We present the results of a search for heavy QCD axions performed by the ArgoNeuT experiment at Fermilab. We search for heavy axions produced in the NuMI neutrino beam target and absorber decaying into dimuon pairs, which can be identified using the unique capabilities of ArgoNeuT and the MINOS near detector. This decay channel is motivated by a broad class of heavy QCD axion models that address the strong CP and axion quality problems with axion masses above the dimuon threshold. We obtain new constraints at a 95% confidence level for heavy axions in the previously unexplored mass range of 0.2–0.9 GeV, for axion decay constants around tens of TeV.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- ArgoNeuT Collaboration
- Grant/Contract Number:
- AC02-07CH11359; SC0011842; AC02-05CH11231; SC0022345
- OSTI ID:
- 1975868
- Alternate ID(s):
- OSTI ID: 1885999; OSTI ID: 2331447
- Report Number(s):
- FERMILAB-PUB-22-527-ND-T; UMN-TH-4128/22; FTPI-MINN-22/19; arXiv:2207.08448; PRLTAO; 221802
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Vol. 130 Journal Issue: 22; ISSN 0031-9007
- Publisher:
- American Physical SocietyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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