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Theory Colloquia
Determination of the strong coupling using power corrections in the three-jet region
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Europe/Zurich
4/3-006 - TH Conference Room (CERN)
Description
In the determination of the strong coupling constant from event shape variables in e+e- collisions, there has been a long-standing discrepancy between determinations that rely on analytic models for the non-perturbative corrections, and those that model hadronization corrections with Monte Carlo generators. Analytic approaches calculate non-perturbative corrections in the 2-jet region and apply them also to the 3-jet region. We study the impact of the new calculation of non-perturbative corrections in the 3-jet region and address whether the these calculations lift the tension in the determination of alpha_s. Other findings and considerations will also be discussed.
Videoconference
TH colloquia
- Zoom Meeting ID
- 67346292748
- Host
- Elena Gianolio
- Alternative hosts
- AVC support account, Zoom Recording Operations 2, Irene Valenzuela Agui, Thomas Nik Bazl Fard, Urs Wiedemann, Pier Francesco Monni, Pascal Pignereau, Clement Montcharmont, Benoit Loyer
- Passcode
- 80279029
- Useful links
- Join via phone
- Zoom URL
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