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Pair creation in collision ofγ-ray beams produced with high-intensity lasers

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 07 Jan 2016Embargo end date: 01 Jan 2015 English Publisher:American Physical Society (APS)Journal:Physical Review E, volume 93 (issn: 2470-0045, eissn: 2470-0053,

Authors: Ribeyre, X.; d'Humières, E.; Jansen, O.; Jequier, S.; Tikhonchuk, V. T.; Lobet, M.;

doi: 10.1103/physreve.93.013201 , 10.48550/arxiv.1504.07868

pmid: 26871177

arXiv: http://arxiv.org/abs/1504.07868

Pair creation in collision ofγ-ray beams produced with high-intensity lasers

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Abstract

Direct production of electron--positron pairs in two photon collisions, the Breit--Wheeler process, is one of the basic processes in the Universe. However, it has never been observed in laboratory because of absence of the intense gamma-ray sources. Laser induced synchrotron sources emission may open for the first time a way to observe this process. A feasibility of an experimental set--up using a MeV photon source is studied in this paper. We compare several $��$--ray sources, estimate the expected number of electron--positron pairs and competing processes by using numerical simulations including quantum electrodynamic effects.

Related Organizations

French National Centre for Scientific Research
France
Centre Lasers Intenses et Applications
France
University of Bordeaux
France
Centre national de la recherche scientifique
France

Keywords

Plasma Physics (physics.plasm-ph), Physics - Instrumentation and Detectors, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Physics - Plasma Physics, Physics - Optics, Optics (physics.optics)

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	58
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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%