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Title: Bright γ rays source and nonlinear Breit-Wheeler pairs in the collision of high density particle beams

Journal Article · · Physical Review Accelerators and Beams

The collision of ultrashort high-density e - or e - and e + beams at 10s of GeV, to be available at the FACET II and in laser wakefield accelerator experiments, can produce highly collimated γ rays (few GeVs) with peak brilliance of 1 0 27 ph / s mm 2 mrad 2 0.1 % BW and up to 1 0 5 nonlinear Breit-Wheeler pairs. We provide analytical estimates of the photon source properties and of the yield of secondary pairs, finding excellent agreement with full-scale 3D self-consistent particle-in-cell simulations that include quantum electrodynamics effects. Our results show that beam-beam collisions can be exploited as secondary sources of γ rays and provide an alternative to beam-laser setups to probe quantum electrodynamics effects at the Schwinger limit.

Research Organization:
Univ. of California, Los Angeles, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0014260
OSTI ID:
1493957
Alternate ID(s):
OSTI ID: 1612125
Journal Information:
Physical Review Accelerators and Beams, Journal Name: Physical Review Accelerators and Beams Vol. 22 Journal Issue: 2; ISSN 2469-9888
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

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