Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-06-07
Nucl.Phys. B452 (1995) 161-172
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, LaTeX, 7 figures available via anonymous ftp at: ftp://cobra1.pv.infn.it/pub/phot/, files fig#n.ps with #=1,...,7
Scientific paper
10.1016/0550-3213(95)00399-D
A study of the radiative neutrino counting reaction $e^+ e^- \to \nu {\bar \nu} \gamma$ at LEP1 and LEP2 energies is presented. An approximate expression for the spectrum of the observed photon is derived within the framework of the $p_t$-dependent structure function approach. This is compared with an exact expression and found in agreement within the foreseen experimental accuracy. This model describing single-photon radiation can be applied to the more general case of initial-state single-photon emission accompanying invisible final-state events. Higher-order QED corrections due to undetected initial-state radiation are also included. The implementation in a Monte Carlo event generator is briefly described.
Montagna Guido
Nicrosini Oreste
Piccinini Fulvio
Trentadue Luca
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