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5 research outcomes, page 1 of 1
  • publication . Preprint . Article . 2014
    Open Access English
    Authors:
    Dieter Mueller;
    Project: MZOS | Fundamental interactions ... (098-0982930-2864), EC | HADRONPHYSICS3 (283286)

    Based on the collinear factorization approach, we present a comprehensive perturbative next-to-leading (NLO) analysis of deeply virtual meson production (DVMP). Our representation in conformal Mellin space can serve as basis for a global fitting procedure to access gene...

  • publication . Preprint . Other literature type . Article . Conference object . 2013
    Open Access English
    Authors:
    Alessandro Bacchetta;
    Project: EC | HADRONPHYSICS2 (227431), EC | HADRONPHYSICS3 (283286)

    We examine the QCD evolution of the helicity and transversity parton distribution functions when including also their dependence on transverse momentum. Using an appropriate definition of these polarized transverse momentum distributions (TMDs), we describe their depend...

  • publication . Preprint . Article . 2013
    Open Access English
    Authors:
    Karol Kampf; Johan Bijnens; Stefan Lanz;
    Project: SNSF | Chiral perturbation theor... (PBBEP2_135034), EC | HADRONPHYSICS3 (283286)

    We extend earlier work on leading logarithms in the massive nonlinear O(n) sigma model to the case of SU(N)xSU(N)/SU(N) which coincides with mesonic chiral perturbation theory for N flavours of light quarks. We discuss the leading logarithms for the mass and decay const...

  • publication . Article . Other literature type . Preprint . 2014
    Open Access
    Authors:
    Philipp Jörg; Ana Sofia Nunes; Jan Friedrich; Márcia Quaresma; Andrzej Rychter; Boris Grube; Jan Matousek; Bakur Parsamyan; Antonio Amoroso; M. Stolarski; ...
    Publisher: Elsevier BV
    Project: EC | HADRONPHYSICS3 (283286), FCT | CERN/FP/109323/2009 (109323), FCT | CERN/FP/116376/2010 (116376), FCT | CERN/FP/123600/2011 (123600)

    Comment: 23 pages, 13 figures and 5 tables

  • publication . Other literature type . Article . Preprint . Conference object . 2019
    Open Access English
    Authors:
    Alexandr Chumakov; Ana Sofia Nunes; Ondřej Šubrt; Andrzej Rychter; Antonín Květoň; Annika Thiel; Boris Grube; Jan Matousek; Markéta Pešková; Bakur Parsamyan; ...
    Publisher: RWTH Aachen University
    Project: EC | HADRONPHYSICS3 (283286), NSF | A Program of Medium Energ... (1506416)

    The transverse spin asymmetries measured in semi-inclusive leptoproduction of hadrons, when weighted with the hadron transverse momentum $P_T$, allow for the extraction of important transverse-momentum-dependent distribution functions. In particular, the weighted Sivers...

5 research outcomes, page 1 of 1
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