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5–10 Nov 2025
Guangzhou Dongfang Hotel
Asia/Shanghai timezone

Higher-order ISR corrections to electron-positron annihilation processes

8 Nov 2025, 16:48
24m
Nanguo (8th Floor)

Nanguo

8th Floor

Talk 07: EW & tt EW & tt

Speaker

Andrej Arbuzov (Joint Institute for Nuclear Research)

Description

Radiative corrections due to initial state radiation in electron-positron annihilation are calculated within the QED structure function approach. Results are shown in the next-to-leading logarithmic approximation up to O(alpha^4L^3) order, where L=ln(s/m^2_e) is the large logarithm. Dependence on factorization scale and scheme choices is analyzed. The results are relevant for future high-precision experiments at e+e− colliders.

Primary author

Andrej Arbuzov (Joint Institute for Nuclear Research)

Co-author

Dr Uliana Voznaya (JINR, Dubna)

Presentation materials