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Coherent Exclusive Exponentiation for Precision Monte Carlo Calculations of Fermion Pair Production / Precision Predictions for (Un)stable W+W- Pairs | | B.F.L. Ward
; S. Jadach
; W. P{l}aczek
; M. Skrzypek
; Z. Was
; | | Date: |
29 Sep 2000 | | Subject: | hep-ph | | Affiliation: | 1,2,3), S. Jadach (1,2,4,5), W. P{l}aczek (2,6), M. Skrzypek (2,5), Z. Was (2,5) ( Department of Physics and Astronomy, University of Tennessee, Knoxville, TN, USA, TH Div., CERN, Geneva, Switzerland, SLAC, Stanford UNiversity, Stanford, CA, USA, Th | | Abstract: | We present the new Coherent Exclusive Exponentiation (CEEX), in comparison to the older Exclusive Exponentiation (EEX) and the semi-analytical Inclusive Exponentiation (IEX), for the process e+e- -> f-bar f + n(gamma), f=mu,tau,d,u,s,c,b, with validity for centre of mass energies from tau lepton threshold to 1 TeV. We analyse 2f numerical results at the Z-peak, 189 GeV and 500 GeV. We also present precision calculations of the signal processes e+e- -> 4f in which the double resonant W+W- intermediate state occurs using our YFSWW3-1.14 MC. Sample 4f Monte Carlo data are explicitly illustrated in comparison to the literature at LEP2 energies. These comparisons show that a TU for the signal process cross section of 0.4 percent is valid for the LEP2 200 GeV energy. LC energy results are also shown. | | Source: | arXiv, hep-ph/0009352 | | Services: | Forum | Review | PDF | Favorites | |
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