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Electron-Positron Interactions by V. V. Ezhela, V. Flaminio, D. R. O. Morrison (auth.), H.

By V. V. Ezhela, V. Flaminio, D. R. O. Morrison (auth.), H. Schopper (eds.)

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Additional resources for Electron-Positron Interactions

Sample text

7] From [88 Ade]. Radiative corrections according to [81 Ber 3] and [82 Ber 1]. [8] From [89 Beh]. Pure QED corrections have been applied. 38 1+δ [9] From [89 Aba 2]. [10] From [82 Beh 3]. Radiative corrections according to [81 Ber 3]. 35. 98 as the maximum energy fraction carried by real photon. 3 e+ e− → τ + τ − integrated cross sections [11] From [85 Ber 2]. Radiative corrections according to [81 Ber 3] and [82 Ber 1]. The value presented in the table must be corrected for the ratio σ(QED)/σ(SM ), where σ(SM ) can be obtained from the references given for the radiative corrections.

Data from the 1990 run. [20] From [91 Ale 1]. Data from the 1989 run. [21] From [90 Akr 1]. Radiative corrections were applied through the Monte-Carlo program KORALZ. Initial and final state radiations are included. 8) and θ is the angle between momenta of the initial and final negative leptons. The expression for the differential cross section gives the lowest order asymmetry A0F B = G3 (s) 3 · · 4 G1 (s) + 2µf G2 (s) 1 − 4µf . 9) For the on-resonance asymmetry (s = MZ2 ) one obtains: A0F B = 2ve ae · 2vf af · 1 − 4µf 3 · 2 .

Err. Sys. err. 6 Comm. 28 Range of [GeV] √ s σ Stat. err. Sys. err. 0 Comm. 5 [19] [18] [20] [18] [16] [17] [14] [15] [13] [21] [19] [18] [20] [21] [14] [13] [18] [16] [17] [15] [21] [19] [18] [20] [18] [17] [14] [15] [16] [13] [19] [18] [20] Comments [1] From [75 All]. Radiative corrections according to [76 Ber]. [2] From [86 Bar 2]. Radiative corrections according to [73 Ber 2, 73 Ber 3, 73 Ber 4, 74 Ber 2, 81 Ber 3, 82 Ber 1, 76 Ber]. Only γ-exchange diagrams were used for radiative corrections.

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