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Contenuto archiviato il 2024-06-12

Radiative corrections for lep2 physics

Obiettivo



Our proposal consists of calculating and analysing the radiative corrections to processes relevant for LEP2 physics, and especially W pair production. We propose to parametrize these corrections in a manifestly gauge independent way in terms of the pinch technique (PT) self- energy, vertex, and box functions and subsequently tabulate them for use in automated codes. Specifically the objective is to:
- Avoid numerically, large gauge cancellations. - Examine the size of individual contributions of different classes of one-loop graphs to the total cross-section
- Extract important physical quantities, such as running
couplings and form factors from the LEP data.
- Define the improved Born approximation for complicated processes involving three or more particles in the final state and obtain higher-order estimates for them. - Construct automated codes for the calculation of one-loop cross-sections. - Investigate the off-shell W pair production at the one-loop level.

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Programma(i)

Argomento(i)

Invito a presentare proposte

Dati non disponibili

Meccanismo di finanziamento

RGI - Research grants (individual fellowships)

Coordinatore

University of Durham
Contributo UE
Nessun dato
Indirizzo
South Road
DH1 3LE Durham
Regno Unito
Costo totale
Nessun dato

Partecipanti (1)