Is the electron radiation length constant at high energies?

Hansen, H D; Uggerhøj, U I; Biino, C; Ballestrero, S; Mangiarotti, A; Sona, P; Ketel, T J; Vilakazi, Z Z

Hansen, H D; Uggerhøj, U I; Biino, C; Ballestrero, S; Mangiarotti, A; Sona, P; Ketel, T J; Vilakazi, Z Z.

Afiliación

Hansen HD; Department of Physics and Astronomy, University of Aarhus, Denmark.

Phys Rev Lett ; 91(1): 014801, 2003 Jul 04.

Article en En | MEDLINE | ID: mdl-12906543

RESUMEN

Experimental results for the radiative energy loss of 149, 207, and 287 GeV electrons in a thin Ir target are presented. From the data we conclude that at high energies the radiation length increases in accordance with the Landau-Pomeranchuk-Migdal (LPM) theory and thus electrons become more penetrating the higher the energy. The increase of the radiation length as a result of the LPM effect has a significant impact on the behavior of high-energy electromagnetic showers.

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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2003 Tipo del documento: Article País de afiliación: Dinamarca Pais de publicación: Estados Unidos

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