Precision Measurement of Trident Production in Strong Electromagnetic Fields

Christian F. Nielsen; Robert Holtzapple; Mads M. Lund; Jeppe H. Surrow; Allan H. Sørensen; Marc B. Sørensen; Ulrik I. Uggerhøj

doi:10.1103/PhysRevLett.130.071601

Precision Measurement of Trident Production in Strong Electromagnetic Fields

Christian F. Nielsen, Robert Holtzapple, Mads M. Lund, Jeppe H. Surrow, Allan H. Sørensen, Marc B. Sørensen, Ulrik I. Uggerhøj

Department of Physics and Astronomy

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Abstract

We demonstrate experimentally that the trident process e-→e-e+e- in a strong external field, with a spatial extension comparable to the effective radiation length, is well understood theoretically. The experiment, conducted at CERN, probes values for the strong field parameter χ up to 2.4. Experimental data and theoretical expectations using the local constant field approximation show remarkable agreement over almost 3 orders of magnitude in yield.

Original language	English
Article number	071601
Journal	Physical Review Letters
Volume	130
Issue	7
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.130.071601
Publication status	Published - Feb 2023

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10.1103/PhysRevLett.130.071601Licence: CC BY

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title = "Precision Measurement of Trident Production in Strong Electromagnetic Fields",

abstract = "We demonstrate experimentally that the trident process e-→e-e+e- in a strong external field, with a spatial extension comparable to the effective radiation length, is well understood theoretically. The experiment, conducted at CERN, probes values for the strong field parameter χ up to 2.4. Experimental data and theoretical expectations using the local constant field approximation show remarkable agreement over almost 3 orders of magnitude in yield.",

author = "Nielsen, {Christian F.} and Robert Holtzapple and Lund, {Mads M.} and Surrow, {Jeppe H.} and S{\o}rensen, {Allan H.} and S{\o}rensen, {Marc B.} and Uggerh{\o}j, {Ulrik I.}",

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AU - Holtzapple, Robert

AU - Lund, Mads M.

AU - Surrow, Jeppe H.

AU - Sørensen, Allan H.

AU - Sørensen, Marc B.

AU - Uggerhøj, Ulrik I.

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AB - We demonstrate experimentally that the trident process e-→e-e+e- in a strong external field, with a spatial extension comparable to the effective radiation length, is well understood theoretically. The experiment, conducted at CERN, probes values for the strong field parameter χ up to 2.4. Experimental data and theoretical expectations using the local constant field approximation show remarkable agreement over almost 3 orders of magnitude in yield.

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Precision Measurement of Trident Production in Strong Electromagnetic Fields

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