Photon pair production at flavour factories with per mille accuracy

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dc.creatorBalossini, G.
dc.creatorBignamini, C.
dc.creatorCalame, C. M. Carloni
dc.creatorMontagna, G.
dc.creatorNicrosini, O.
dc.creatorPiccinini, F.
dc.date2008-01-22
dc.date.accessioned2026-07-07T11:39:57Z
dc.date.available2026-07-07T11:39:57Z
dc.descriptionWe present a high-precision QED calculation, with 0.1% theoretical accuracy, of two photon production in $e^+ e^-$ annihilation, as required by more and more accurate luminosity monitoring at flavour factories. The accuracy of the approach, which is based on the matching of exact next-to-leading order corrections with a QED Parton Shower algorithm, is demonstrated through a detailed analysis of the impact of the various sources of radiative corrections to the experimentally relevant observables. The calculation is implemented in the latest version of the event generator BabaYaga, available for precision simulations of photon pair production at $e^+ e^-$ colliders of moderately high energies.
dc.description11 pages, 5 figures, 1 table
dc.identifierhttps://arxiv.org/abs/0801.3360
dc.identifierhttp://arxiv.org/abs/0801.3360
dc.identifierPhys.Lett.B663:209-213,2008
dc.identifierdoi:10.1016/j.physletb.2008.04.007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/200111
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titlePhoton pair production at flavour factories with per mille accuracy
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