Drell yan factorization
WebOct 10, 2024 · Azimuthal asymmetries in unpolarized SIDIS and Drell-Yan processes: A case study towards TMD factorization at subleading twist. Author links open overlay panel Alessandro Bacchetta a b, Giuseppe Bozzi a b, ... Our formula correctly matches with the collinear factorization results at high transverse momentum, solves a long-standing … WebAug 30, 2024 · We study the transverse momentum spectrum of dilepton produced in the unpolarized π − N Drell-Yan process, using transverse momentum dependent factorization up to next-to-logarithmic order of QCD. We extract the nonperturbative Sudakov form factor for the pion in the evolution formalism of the unpolarized TMD …
Drell yan factorization
Did you know?
WebWe consider Drell-Yan production pp → V * X → LX at small q T ≪ Q, where q T and Q are the total transverse momentum and invariant mass of the leptonic final state L.Experimental measurements require fiducial cuts on L, which in general introduce enhanced, linear power corrections in q T /Q.We show that they can be unambiguously predicted from … WebApr 1, 2024 · We derive a factorization theorem for Drell-Yan process at low q T using effective field theory methods. In this theorem all the obtained quantities are gauge …
WebJul 13, 2024 · A bstract. We present a factorization theorem valid near the kinematic threshold z= {Q}^2/\hat {s}\to 1 of the partonic Drell-Yan process q\overline {q}\to {\gamma}^ {\ast }+X for general subleading powers in the (1 − z) expansion. We then consider the specific case of next-to-leading power. We discuss the emergence of collinear functions ... WebApr 4, 2024 · Using the factorization formulas of this work and the known results from Drell-Yan one can achieve a resummation of large logarithms at a high accuracy. The paper consists of a derivation of the factorization theorem for the exclusive double DY process in sec. 2 , followed by a discussion of the QCD evolution of the distributions in sec. 3 .
WebJul 5, 2015 · While it is known that these interactions cancel in inclusive cross sections, like for the Drell-Yan process, not much is known about for what classes of observables factorization is violated. WebThe Drell-Yan process, proposed over 45 years ago by Sid Drell and Tung-Mow Yan to describe high-mass lepton-pair production in hadron-hadron collision, has played an important role in ... proof of the factorization is valid beyond the pro-duction with an exchange of a virtual photon in Fig. 1, and actually, is valid for the production ...
WebApr 1, 2024 · We derive a factorization theorem for Drell-Yan process at low q T using effective field theory methods. In this theorem all the obtained quantities are gauge invariant and the special role of the ...
WebMay 7, 2024 · 1 Answer. The choice of factorisation scale for any process mimics the typical scales that are present in the problem, whether that be a hard scattering … taking a cutting from a rhododendronWebThe first two topics are dynamical threshold enhancements in Drell-Yan and resummation of higgs production at the LHC. Both topics center on the resummation of large Sudakov logarithms, however, for each there is a twist. ... I briefly cover the foundation upon which … twitch sophionicWebDrell-Yan physics at the LHC from theory to phenomenology Roman Pasechnik Drell Yan Physics Workshop, Trento May 22th, 2012 ... QCD factorization holds! diffractive factorization is broken! Amplitude …of the higher twist nature! …of the leading twist nature! Diffractive DDY: probing proton structure at large x ... twitch soonWebOct 17, 1996 · The Drell-Y an (D Y) pro cess, i.e. the pro duction of massiv e lepton pairs in hadronic collisions, has remained, together with deep inelastic scattering (DIS), one o f … taking a cutting from a plantWebThis article presents the review of the current understanding on the pion-nucleon Drell-Yan process from the point of view of the TMD factorization. Using the evolution formalism for the unpolarized and polarized TMD distributions developed recently, we provide the theoretical expression of the relevant physical observables, namely, the unpolarized … twitch sophnar0747WebIn summary, we have the following understanding on the Drell-Yan from the viewpoint of the TMD factorization: (i) The extraction of nonperturbative Sudakov form factor from the … twitch sophieWebMay 6, 2024 · The U.S. Department of Energy's Office of Scientific and Technical Information taking a cutting from rose noisette blush