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Publication Information
Title The DarkLight Experiment: A Precision Search for New Physics at Low Energies
Abstract 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. The complete final state including scattered electron, recoil proton, and e+e- pair will be detected. 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.
Author(s) Jan Balewski, Jan Bernauer, Jason Bessuille, R. Corliss, Ray Cowan, C. Epstein, Peter Fisher, Douglas Hasell, Ernest Ihloff, Yonatan Kahn, J. Kelsey, Richard Milner, S. Steadman, J. Thaler, Christoph Tschalaer, Christopher Vidal, Steve Benson, James Boyce, David Douglas, Pavel Evtushenko, Carlos Hernandez-Garcia, Christopher Keith, Christopher Tennant, Shukui Zhang, D. Blyth, R. Dipert, L. Ice, G. Randall, B. Dongwi, Narbe Kalantarians, M. Kohl, Anusha Habarakada Liyanage, Sara Liyanaarachchi, Michel Garcon, R. Cervantes, Klaus Dehmelt, Abhay Deshpande, N. Feege, Bernd Surrow
Publication Date September 2014
Document Type Other
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Accelerator Ops, R&D / Accel Division Office / Accel Division Management
Funding Source
Proprietary? No
This publication conveys Technical Science Results
Document Numbers
JLAB Number: JLAB-ACC-14-1930 OSTI Number:
LANL Number: arXiv:1412.4717 Other Number: DOE/OR/23177-3297
Associated with an experiment No
Associated with EIC No
Supported by Jefferson Lab LDRD Funding No
Other
Description Whitepaper submitted to Town Meeting on Fundamental and Symmetries and Neutrinos, O'Hare airport, Chicago, IL, 28-29 September 2014
Attachments/Datasets/DOI Link
Document(s)
1412.4717v1.pdf (STI Document)
DarkLight white paper.pdf (Accepted Manuscript)
DOI Link
Dataset(s) (none)
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