Studying the hadron structure in Drell-Yan reactions

Europe/Zurich
40-S2-A01 (CERN)

40-S2-A01

CERN

Salle Andersson
Claude MARCHAND, Eva KABUSS, Franco BRADAMANTE, Horst FISCHER, Marco RADICI, Oleg TERYAEV, Paula BORDALO (5th session)
Description
Since a long time the Drell-Yan (DY) process is considered to be a powerful tool to study hadron structure. In the past, several experiments were successfully carried out using unpolarised beams and targets. Nowadays, taking into account the much advanced understanding of the spin structure of the nucleon, we are discussing a new generation of DY measurements using polarised beams and/or targets. The COMPASS collaboration is currently preparing a proposal for future studies of nucleon structure beyond 2011. One of the main aims is a first measurement of transverse-momentum-dependent parton distributions (TMDs) using the Drell-Yan process on a transversely polarised proton target hit by a pion beam. Among the distributions to be studied are Sivers, Boer-Mulders and pretzelosity TMDs as well as transversely polarised quark distributions. The workshop will review ongoing theoretical and experimental efforts related to the Drell-Yan process. Detailed presentations and discussions of the theoretical aspects will be complemented by descriptions of planned fixed-target and collider experiments. Organizers: Paula Bordalo (LIP-Lisbon and IST/UTL) Oleg Denisov (CERN/INFN-Torino) Eva-Maria Kabuss (Mainz) Fabienne Kunne (CEA Saclay) Alain Magnon (CEA Saclay) Gerhard Mallot (CERN) Anna Martin (Univ. Trieste and INFN-Trieste) Wolf-Dieter Nowak (CERN) Daniele Panzieri (Univ. Alessandria and INFN-Torino)
Participants
    • 09:00 09:05
      Welcome 5m 40/2-A01

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    • 09:05 09:35
      Theory Overview 30m 40-S2-A01

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      Speaker: Daniel Boer
      Slides
    • 09:35 09:45
      Discussion 10m 40-S2-A01

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    • 09:45 10:15
      Experiment overview 30m 40-S2-A01

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      Speaker: Paul Reimer
      Slides
    • 10:15 10:25
      Discussion 10m 40-S2-A01

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    • 10:25 10:55
      QCD corrections for the DY process 30m 40-S2-A01

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      Speaker: Werner Vogelsang
      Slides
    • 10:55 11:10
      Discussion 15m 40-S2-A01

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    • 11:10 11:30
      Coffee Break 20m 40-S2-A01

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    • 11:30 12:00
      General form of the DY cross-section 30m 40-S2-A01

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      Speaker: Marc Schlegel
      Slides
    • 12:00 12:15
      Discussion 15m 40-S2-A01

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    • 12:15 12:45
      Single transversely polarised DY, observables, TMDs 30m 40-S2-A01

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      Speaker: Aram Kotzinian
      Slides
    • 12:45 13:00
      Discussion 15m 40-S2-A01

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    • 13:00 14:30
      Lunch Break 1h 30m 40-S2-A01

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    • 14:30 14:55
      TMD universality, factorization and sign change SIDIS-DY 25m 40-S2-A01

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      Speaker: Alessandro Bacchetta
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    • 14:55 15:05
      Discussion 10m 40-S2-A01

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    • 15:05 15:15
      Transverse-momentum dependent parton densities in DY and SIDIS: renormalization and evolution 10m 40-S2-A01

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      Speaker: Igor Cherednikov
    • 15:15 15:20
      Discussion 5m 40-S2-A01

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    • 15:20 15:45
      TMD phenomenology in SIDIS and DY 25m 40-S2-A01

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      Speaker: Stefano Melis
      Slides
    • 15:45 16:00
      Discussion 15m 40-S2-A01

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    • 16:00 16:30
      Coffee Break 30m 40-S2-A01

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    • 16:30 19:00
      Theory - round table (topics: key issues in DY measurements, models, predictions, exclusive DY, GPDs) 2h 30m 40-S2-A01

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      Speakers: Marco Radici, Oleg Teryaev
      • Exclusive limits of Drell Yan : accessing GPDs and TDAs 1h
        Speaker: Bernard PIRE
        Slides
  • Tuesday 27 April
    • 09:00 09:20
      Future Drell-Yan fixed target experiments at Fermilab 20m 40-S2-A01

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      Speaker: Wolfgang LORENZON
      Slides
    • 09:20 09:30
      Discussion 10m 40-S2-A01

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    • 09:30 09:50
      Future Drell-Yan collider experiments 20m 40-S2-A01

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      Speaker: Matthias Grosse Perdekamp
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    • 09:50 10:00
      Discussion 10m 40-S2-A01

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      Future Drell-Yan experiments at J-Parc and at RHIC (internal target) 20m 40-S2-A01

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      Speaker: Yuji Goto
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    • 10:20 10:30
      Discussion 10m 40-S2-A01

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    • 10:30 11:00
      Coffee Break 30m 40-S2-A01

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    • 11:00 11:20
      Future Drell-Yan experiments at GSI 20m 40-S2-A01

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      Speaker: Paolo Lenisa
      Slides
    • 11:20 11:30
      Discussion 10m 40-S2-A01

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    • 11:30 11:50
      Future Drell-Yan program at NICA 20m 40-S2-A01

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      Speaker: Alexander Nagaytsev
      Slides
    • 11:50 12:00
      Discussion 10m 40-S2-A01

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    • 12:00 12:20
      Future COMPASS Drell-Yan experiment 20m 40-S2-A01

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      Speaker: Oleg DENISOV
      Slides
    • 12:20 12:30
      Discussion 10m 40-S2-A01

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    • 12:30 13:00
      Concluding remarks 30m 40-S2-A01

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      Speaker: Mauro Anselmino
      Slides
    • 13:00 14:30
      Lunch break 1h 30m 40-S2-A01

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    • 14:30 17:00
      Visit to the COMPASS experiment (optional) Prevessin Site 888 (COMPASS Experiment)

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