https://doi.org/10.1140/epjc/s10052-011-1597-2
Special Article - Tools for Experiment and Theory
Monte-Carlo generator photon jets for the process e + e −→γγ
1
Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia
2
Novosibirsk State University, 630090, Novosibirsk, Russia
3
Bogolubov Lab of Theor. Phys., Dubna, Moscow region, Russia
* e-mail: G.V.Fedotovich@inp.nsk.su
Received:
21
September
2010
Revised:
28
December
2010
Published online:
9
June
2011
Monte-Carlo generator with photon jets radiation in collinear regions for the process e + e −→γγ is described in detail. Radiative corrections in the first order of α are treated exactly. Large leading logarithmic corrections coming from collinear regions are taken into account in all orders of α by applying the Structure Function approach. Theoretical precision of the cross section with radiative corrections is estimated to be 0.2%. This process is considered as an additional tool to measure luminosity in forthcoming experiments with the CMD-3 detector at the e + e − collider VEPP-2000.
© Springer-Verlag / Società Italiana di Fisica, 2011
