DarkLight: A Search for Dark Forces at the Jefferson Laboratory   Free-Electron Laser Facility

J. Balewski (1); J. Bernauer (1); W. Bertozzi (1); J. Bessuille (1),; B. Buck (1); R. Cowan (1); K. Dow (1); C. Epstein (1); P. Fisher (1); S.; Gilad (1); E. Ihloff (1); Y. Kahn (1); A. Kelleher (1); J. Kelsey (1); R.; Milner (1); C. Moran (1); L. Ou (1); R. Russell (1); B. Schmookler (1); J.; Thaler (1); C. Tschal\"ar (1); C. Vidal (1); A. Winnebeck (1); S. Benson (2); (2); C. Gould (2); G. Biallas (2); J. R. Boyce (2); J. Coleman (2); D.; Douglas (2); R. Ent (2); P. Evtushenko (2); H. C. Fenker (2); J. Gubeli (2),; F. Hannon (2); J. Huang (2); K. Jordan (2); R. Legg (2); M. Marchlik (2); W.; Moore (2); G. Neil (2); M. Shinn (2); C. Tennant (2); R. Walker (2); G.; Williams (2); S. Zhang (2); M. Freytsis (3); R. Fiorito (4); P. O'Shea (4),; R. Alarcon (5); R. Dipert (5); G. Ovanesyan (6); T. Gunter (7); N.; Kalantarians (7); M. Kohl (7); I. Albayrak (8); M. Carmignotto (8); T. Horn; (8); D. S. Gunarathne (9); C. J. Martoff (9); D. L. Olvitt (9); B. Surrow; (9); X. Lia (9); R. Beck (10); R. Schmitz (10); D. Walther (10); K. Brinkmann; (11); H. Zaunig (11) ((1) Laboratory for Nuclear Science; Massachusetts; Institute of Technology; Cambridge; MA; USA; the Bates Research and; Engineering Center; Middleton MA (2) Jefferson Lab; Newport News; VA USA; (3); Physics Dept. U.C. Berkeley; Berkeley; CA USA; (4) Institute for Research in; Electronics; Applied Physics; University of Maryland; College Park; MD; USA; (5) Physics Department; Arizona State University; Tempe (6) Los Alamos; National Laboratory; Los Alamos NM USA; (7) Physics Dept.; Hampton; University; Hampton; VA; Jefferson Lab; Newport News; VA USA; (8) Physics; Dept.; Catholic University of America; Washington; DC USA; (9) Temple; University; Philadelphia PA USA; (10) University Bonn; Bonn Germany; (11); Physikalisches Institut Justus-Liebig-Universitt Giessen; Giessen Germany)

arXiv:1307.4432·physics.ins-det·July 22, 2013·20 cites

DarkLight: A Search for Dark Forces at the Jefferson Laboratory Free-Electron Laser Facility

J. Balewski (1), J. Bernauer (1), W. Bertozzi (1), J. Bessuille (1),, B. Buck (1), R. Cowan (1), K. Dow (1), C. Epstein (1), P. Fisher (1), S., Gilad (1), E. Ihloff (1), Y. Kahn (1), A. Kelleher (1), J. Kelsey (1), R., Milner (1), C. Moran (1), L. Ou (1), R. Russell (1)

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TL;DR

DarkLight is a detector concept designed to search for heavy photons in the 10-90 MeV/c^2 mass range at Jefferson Laboratory, exploring both visible and invisible decay channels.

Contribution

The paper introduces the DarkLight detector concept and its potential to extend searches for dark photons at Jefferson Laboratory.

Findings

01

Design overview of the DarkLight detector

02

Feasibility of searching for A' in specified mass range

03

Extension methods for invisible decay channels

Abstract

We give a short overview of the DarkLight detector concept which is designed to search for a heavy photon A' with a mass in the range 10 MeV/c^2 < m(A') < 90 MeV/c^2 and which decays to lepton pairs. We describe the intended operating environment, the Jefferson Laboratory free electon laser, and a way to extend DarkLight's reach using A' --> invisible decays.

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Taxonomy

TopicsDark Matter and Cosmic Phenomena · Particle physics theoretical and experimental studies · Particle Detector Development and Performance