A conceptual design study of a Compact Photon Source (CPS) for Jefferson Lab

Day, D.; Degtiarenko, P.; Dobbs, S.; Ent, R.; Hamilton, D. J.; Horn, T.; Keller, D.; Keppel, C.; Niculescu, G.; Reid, P.; Strakovsky, I.; Wojtsekhowski, B.; Zhang, J.

doi:10.1016/j.nima.2020.163429

Title: A conceptual design study of a Compact Photon Source (CPS) for Jefferson Lab

Journal Article · 21 March 2020 · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

DOI: https://doi.org/10.1016/j.nima.2020.163429 · OSTI ID:1596394

Day, D. ^[1]; Degtiarenko, P. ^[2]; Dobbs, S. ^[3]; Ent, R. ^[2]; Hamilton, D. J. ^[4]; Horn, T. ^[5]; Keller, D. ^[1]; Keppel, C. ^[2]; Niculescu, G. ^[6]; Reid, P. ^[7]; Strakovsky, I. ^[8]; Wojtsekhowski, B. ^[2]; Zhang, J. ^[1]

Univ. of Virginia, Charlottesville, VA (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Florida State Univ., Tallahassee, FL (United States)
Univ. of Glasgow, Scotland (United Kingdom)
The Catholic Univ. of America, Washington, DC (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
James Madison Univ., Harrisonburg, VA (United States)
Saint Mary's Univ., Halifax, NS (Canada)
George Washington Univ., Washington, DC (United States)

This document describes the technical design concept of a compact high intensity, multi-GeV photon source. Capable of producing 10¹² equivalent photons per second this novel device will provide unprecedented access to physics processes with very small scattering probabilities such as hard exclusive reactions on the nucleon. When combined with dynamic nuclear polarized targets, its deployment will result in a large gain in polarized experiment gure-of-merit compared to all previous measurements. Compared to a traditional bremsstrahlung photon source the proposed concept presents several advantages, most signi cantly in providing a full intensity in a small spot at the target and in taking advantage of the narrow angular spread associated with high energy bremsstrahlung compare to the wide angular distribution of the secondary radiation to minimize the operational prompt and activation radiation dose rates.

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Research Organization:: George Washington Univ., Washington, DC (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); USDOE

Grant/Contract Number:: SC0016583; FG02-96ER40950; AC05-06OR23177; PHY-1306227; 1913257; PHY-1714133; ST/P004458/1

OSTI ID:: 1596394

Alternate ID(s):: OSTI ID: 1592813; OSTI ID: 1595187; OSTI ID: 1596653

Report Number(s):: JLAB-PHY-20-3127; DOE/OR/23177-4887; 1912.07355; TRN: US2101625

Journal Information:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 957, Issue C; ISSN 0168-9002

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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