Pair production at the focus of two equal and oppositely directed laser beams: The effect of the pulse shape - INSPIRE

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Pair production at the focus of two equal and oppositely directed laser beams: The effect of the pulse shape

Antonino Di Piazza
(
- Trieste U. and
- INFN, Trieste
)

Sep, 2004

Published in:

Phys.Rev.D 70 (2004) 053013

DOI:

10.1103/PhysRevD.70.053013

View in:

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Abstract: (APS)

We calculate the probability that an e−−e+ pair is created at rest from vacuum at the focus of two equal and oppositely directed pulsed laser beams. The effects of the finite duration and of the temporal behavior of the resulting laser pulse are taken into account perturbatively and the production probability is compared with the corresponding quantity calculated in the presence of an infinite laser beam with a constant pulse shape. By inserting theoretically achievable numerical values of the pulse parameters it is shown that the induced correction to the production probability cannot be neglected.

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52.38.Ph
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