QED Radiative Corrections to Non-Annihilation Processes Using the Structure Function and the Parton Shower | Zendy

Y. Kurihara | Zendy; J. Fujimoto | Zendy; K. Katō | Zendy; T. Munehisa | Zendy; Yusuke Shimizu | Zendy; K. Tobimatsu | Zendy

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QED Radiative Corrections to Non-Annihilation Processes Using the Structure Function and the Parton Shower

Author(s) -

Y. Kurihara,

J. Fujimoto,

K. Katō,

T. Munehisa,

Yusuke Shimizu,

K. Tobimatsu

Publication year - 2000

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.103.1199

Subject(s) - physics , annihilation , parton shower , particle physics , radiative transfer , parton , photon , renormalization , scaling , scale (ratio) , quantum chromodynamics , electron–positron annihilation , function (biology) , structure function , nuclear physics , production (economics) , quantum electrodynamics , mathematical physics , quantum mechanics , hadron , geometry , mathematics , evolutionary biology , biology , macroeconomics , economics

Inclusion of the QED higher order radiative corrections in the two-photonprocess, e+e- -> e+e- mu+mu-, is examined by means of the structure functionand the parton shower. Results are compared with the exact $O(\alpha)$calculations and give a good agreement. These two methods should be universallyapplicable to any other non-annihilation processes like the single-Wproductions in the e+e- collisions. In this case, however, the energy scale forthe evolution by the renormalization-group equation should be chosen properlydepending on the dominant diagrams for the given process. A method to find themost suitable energy scale is proposed.Comment: 17 pages, LaTeX, 5 figure

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