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Title: Searching for a dark photon with DarkLight

Journal Article · · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
 [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Lab. for Nuclear Science
+ Show Author Affiliations

Here, we describe the current status of the DarkLight experiment at Jefferson Laboratory. DarkLight is motivated by the possibility that a dark photon in the mass range 10 to 100 MeV/c2 could couple the dark sector to the Standard Model. DarkLight will precisely measure electron proton scattering using the 100 MeV electron beam of intensity 5 mA at the Jefferson Laboratory energy recovering linac incident on a windowless gas target of molecular hydrogen. We will detect the complete final state including scattered electron, recoil proton, and e+e- pair. A phase-I experiment has been funded and is expected to take data in the next eighteen months. The complete phase-II experiment is under final design and could run within two years after phase-I is completed. The DarkLight experiment drives development of new technology for beam, target, and detector and provides a new means to carry out electron scattering experiments at low momentum transfers.

Research Organization:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Contributing Organization:
DarkLight Collaboration
Grant/Contract Number:
AC05-06OR23177
OSTI ID:
1340193
Alternate ID(s):
OSTI ID: 1556133
Report Number(s):
JLAB-ACC-16-2397; DOE/OR/23177-4023; PII: S0168900216308129
Journal Information:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 865; Conference: Latin-American Conference on High Energy Physics: Particles and Strings II, Havana (Cuba), 11-15 Jul 2016; ISSN 0168-9002
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

References (6)

Search for a Dark Photon in e + e − Collisions at BaBar journal November 2014
Searching a dark photon with HADES journal April 2014
Search for dark photons from neutral meson decays in p + p and d + Au collisions at s N N = 200   GeV journal March 2015
Search for a New Gauge Boson in Electron-Nucleus Fixed-Target Scattering by the APEX Experiment journal November 2011
Observation of Anomalous Internal Pair Creation in Be 8 : A Possible Indication of a Light, Neutral Boson journal January 2016
Measured radiation and background levels during transmission of megawatt electron beams through millimeter apertures
  • Alarcon, R.; Balascuta, S.; Benson, S. V.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 729 https://doi.org/10.1016/j.nima.2013.06.042
journal November 2013

Cited By (4)

Exploring bosonic mediator of interaction at BESIII journal May 2019
X(16.7) production in electron–positron collision journal June 2018
Exploring Bosonic Mediator of Interaction at BESIII text January 2018
Phenomenology of neutron-antineutron conversion text January 2017

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Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
79 ASTRONOMY AND ASTROPHYSICS
Photon: heavy
Detector: design
Free electron laser
Photon: invisible decay
Photon: leptonic decay
Jefferson Lab