Document Type
Article
Publication Date
11-2018
DOI
10.1103/PhysRevD.98.091101
Publication Title
Physical Review D
Volume
98
Issue
9
Pages
091101 (6 pages)
Abstract
The Heavy Photon Search experiment took its first data in a 2015 engineering run using a 1.056 GeV, 50 nA electron beam provided by CEBAF at the Thomas Jefferson National Accelerator Facility, searching for a prompt, electroproduced dark photon with a mass between 19 and 81 MeV/c2. A search for a resonance in the e+e− invariant mass distribution, using 1.7 days (1170 nb−1) of data, showed no evidence of dark photon decays above the large QED background, confirming earlier searches and demonstrating the full functionality of the experiment. Upper limits on the square of the coupling of the dark photon to the standard model photon are set at the level of 6×10−6. Future runs with higher luminosity will explore new territory.
Original Publication Citation
Adrian, P. H., Baltzell, N. A., Battaglieri, M., Bondi, M., Boyarinov, S., Bueltmann, S., . . . Heavy Photon Search, C. (2018). Search for a dark photon in electroproduced e+e- pairs with the heavy photon search experiment at JLAB. Physical Review D, 98(9), 091101. doi:10.1103/PhysRevD.98.091101
ORCID
0000-0002-5680-1814 (Bueltmann), 0000-0001-5416-2900 (Weinstein)
Repository Citation
Adrian, P. H.; Baltzell, N. A.; Battaglieri, M.; Bondí, M.; Boyarinov, S.; Bueltmann, S.; Kalicy, G.; Szumila-Vance, H.; Weinstein, L. B.; and Heavy Photon Search Collaboration, "Search for a Dark Photon in Electroproduced e + e − pairs with the Heavy Photon Search experiment at JLab" (2018). Physics Faculty Publications. 308.
https://digitalcommons.odu.edu/physics_fac_pubs/308
Included in
Astrophysics and Astronomy Commons, Elementary Particles and Fields and String Theory Commons
Comments
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution ofthis work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.