ZhETF, Vol. 143,
No. 3,
p. 476 (March 2013)
(English translation - JETP,
Vol. 116, No. 3,
p. 414,
March 2013
available online at www.springer.com
)
DIRAC TENSOR WITH HEAVY PHOTON
Bytev V.V., Kuraev E.A., Scherbakova E.S.
Received: January 26, 2012
DOI: 10.7868/S0044451013030073
For the large-angle hard-photon emission by initial leptons in the process of high-energy annihilation of e+ e- to hadrons, the Dirac tensor is obtained by taking the lowest-order radiative corrections into account. The case of large-angle emission of two hard photons by initial leptons is considered. In the final result, the kinematic case of collinear hard-photons emission and soft virtual and real photons is included; it can be used for the construction of Monte-Carlo generators.
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