Landau-Pomeranchuk-Migdal effect for multihundred GeV electrons | Zendy

H. Hansen | Zendy; E. Uggerhøj | Zendy; C. Biino | Zendy; S. Ballestrero | Zendy; A. Mangiarotti | Zendy; P. Sona | Zendy; T. J. Ketel | Zendy; Z. Z. Vilakazi | Zendy

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Landau-Pomeranchuk-Migdal effect for multihundred GeV electrons

Author(s) -

H. Hansen,

E. Uggerhøj,

C. Biino,

S. Ballestrero,

A. Mangiarotti,

P. Sona,

T. J. Ketel,

Z. Z. Vilakazi

Publication year - 2004

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d, particles, fields, gravitation, and cosmology

Language(s) - English

Resource type - Journals

eISSN - 1550-7998

pISSN - 1550-2368

DOI - 10.1103/physrevd.69.032001

Subject(s) - bremsstrahlung , physics , electron , recoil , photon , radiation , atomic physics , nuclear physics , energy (signal processing) , photon energy , quantum mechanics

Experimental results for the bremsstrahlung energy loss of 149, 207, and 287 GeV electrons in thin Ir, Ta, and Cu targets are presented. For each target and energy, a comparison between simulated values based on the Landau-Pomeranchuk-Migdal (LPM) suppression of incoherent bremsstrahlung is shown. For the electron energies investigated, the LPM effect enters the quantum regime where the recoil imposed on the electron by the emitted photon becomes important. Good agreement between simulations based on Migdal's theory and data from the experiment is found, indicating that the LPM suppression is well understood also in the quantum regime. Results from a comparison between simulations with the "threshold" energy E

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