dr Richard Ruiz (IFJ PAN): Revisiting ``target mass corrections'' in lepton-nucleus deeply inelastic scattering

Name: dr Richard Ruiz (IFJ PAN): Revisiting ``target mass corrections'' in lepton-nucleus deeply inelastic scattering
Start: 2023-05-05T10:15:00+02:00
End: 2023-05-05T11:00:00+02:00
Location: No location set

Friday 5 May 2023, 10:15 → 11:00 Europe/Warsaw

Description

Abstract:

In this talk we revisit so-called target mass corrections (TMCs) to nuclear structure functions in lepton-nucleus deeply inelastic scattering (DIS), which account for the fact that the masses of nuclei are not guaranteed to be small compared to momentum transfers in DIS. Starting from a qualitative picture intended for a broad audience, we then move onto more technical details of the work, and finish with various numerical results (cross sections, ratios of cross section, etc.). We show that nuclear parton distribution functions can be expressed directly in terms of partonic degrees of freedom (quarks and gluons), and that intermediate pictures of "bound nucleons" are not necessary. We also show that nuclear TMCs can be expressed in a way that is universal for all nuclei and readily implemented in numerical codes.

Important: This seminar is held in building D-11 room 104.