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Correlations in Partonic and Hadronic Interactions (CPHI-2022)

Mar 7 – 10, 2022
Duke University
US/Eastern timezone

Session

TMDs

Mar 7, 2022, 9:40 AM
Love Auditorium/LSRC B101 (Duke University)

Love Auditorium/LSRC B101

Duke University

Description

Zoom recordings:
first session:
https://duke.zoom.us/rec/share/8Qomfmb0N95lEsM4JEjAg4d66a3FvMyOHo7_NOXkD3smw90uR9s1pCcjGWP2seHg.A4TGgna8CagFFe02?startTime=1646661379000
second session:
https://duke.zoom.us/rec/share/8Qomfmb0N95lEsM4JEjAg4d66a3FvMyOHo7_NOXkD3smw90uR9s1pCcjGWP2seHg.A4TGgna8CagFFe02?startTime=1646671876000

Presentation materials

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  1. 13. Theory and phenomenology of TMDs: progress and open questions
    Andrea Signori (University of Pavia and Jefferson Lab)
    3/7/22, 9:40 AM

    In this talk I will briefly address the state of the art for our understanding of transverse-momentum-dependent distributions. I will also introduce some of the topics which are currently under investigation and highlight the fundamental role of the present experimental facilities for the advancement of the field.

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  2. 19. COMPASS results on upol TMDs
    Andrea Moretti
    3/7/22, 10:05 AM
  3. 8. TMDs: PDF bias and flavour dependence
    Ignazio Scimemi (Universdad Complutense Madrid)
    3/7/22, 10:30 AM

    TMDs match collinear PDFs in the limit of small transverse distances. We study the bias on the TMD extraction caused by the choice of the PDF set. The bias is reduced by introducing a flavour dependence on the TMD profile and taking into account the PDF uncertainty. Both points improve the agreement between theory and experiment and should be taken into account in future global analyses.

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  4. 21. Recent work on N3LL' Drell-Yan predictions with SCETlib
    Johannes Michel (MIT Center for Theoretical Physics)
    3/7/22, 10:55 AM
  5. 22. TMD extraction from COMPASS
    Anna Martin (Trieste University & INFN)
    3/7/22, 11:20 AM
  6. 5. Azimuthal correlations in dijet events at NLO with the parton branching method
    Mees van Kampen (University of Antwerp)
    3/7/22, 11:45 AM

    The azimuthal correlation of high transverse momentum jets in collisions at 13 TeV is studied by applying PB-TMD distributions to NLO calculations via MCatNLO together with the PB-TMD parton shower in Cascade3. A very good description of the cross section as a function of the azimuthal correlation is observed. In the back-to-back region, a very good agreement is observed with the PB-TMD Set 2...

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  7. 24. Matching TMD evolution with NLO matrix elements, Drell-Yan pT spectra at fixed-target and collider energies
    A. Lelek
    3/7/22, 12:10 PM
  8. 7. Evolution of twist-three TMD distributions
    Alexey Vladimirov (Regensburg University)
    3/7/22, 12:35 PM

    The talk is devoted to the TMD distributions of twist-three and presents their systematic, evolution equations, small-b matching, and other properties. I explicitly demonstrate the non-trivial interplay between T-odd and T-even distributions and the presence of super-leading-power terms.

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