Measurement of the electron structure function F e2 at LEP energies

Abdallah, J.; Fernández Menéndez, Javier; Gómez-Ceballos Retuerto, Guillelmo; Marco de Lucas, Jesús; Marco de Lucas, Rafael José; Martínez Rivero, Celso; Matorras Weinig, Francisco; Piedra Gómez, Jonatan

doi:10.1016/j.physletb.2014.08.012

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Measurement of the ... (669.3Kb)

Identificadores

URI: http://hdl.handle.net/10902/13846

DOI: 10.1016/j.physletb.2014.08.012

ISSN: 0370-2693

ISSN: 1873-2445

Fecha

2014-10

Derechos

Atribución 3.0 España

Publicado en

Physics Letters B, Vol. 737, Pp. 39–47, 2014

Editorial

Elsevier

Enlace a la publicación

https://doi.org/10.1016/j.physletb.2014.08.012

Resumen/Abstract

The hadronic part of the electron structure function Fe2 has been measured for the first time, using e+e- data collected by the DELPHI experiment at LEP, at centre-of-mass energies of vs = 91.2–209.5 GeV. The data analysis is simpler than that of the measurement of the photon structure function. The electron structure function Fe2 data are compared to predictions of phenomenological models based on the photon structure function. It is shown that the contribution of large target photon virtualities is significant. The data presented can serve as a cross-check of the photon structure function F ? 2 analyses and help in refining existing parameterisations.

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