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Nonperturbative Bethe–Heitler pair creation in combined high- and low-frequency laser fields.
- Source :
-
Physics Letters B . Oct2014, Vol. 737, p114-119. 6p. - Publication Year :
- 2014
-
Abstract
- The nonperturbative regime of electron–positron pair creation by a relativistic proton beam colliding with a highly intense bichromatic laser field is studied. The laser wave is composed of a strong low-frequency and a weak high-frequency mode, with mutually orthogonal polarization vectors. We show that the presence of the high-frequency field component can strongly enhance the pair-creation rate. Besides, a characteristic influence of the high-frequency mode on the angular and energy distributions of the created particles is demonstrated, both in the nuclear rest frame and the laboratory frame. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03702693
- Volume :
- 737
- Database :
- Academic Search Index
- Journal :
- Physics Letters B
- Publication Type :
- Academic Journal
- Accession number :
- 98480400
- Full Text :
- https://doi.org/10.1016/j.physletb.2014.08.042