Drell yan factorization
WebOct 8, 2024 · A bstract. We extract the pion transverse momentum dependent (TMD) parton distribu- tion by fitting the pion-induced Drell-Yan process within the framework of TMD … 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 …
Drell yan factorization
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WebJul 16, 2013 · An alternative proof of factorization theorem for Drell–Yan process that works at operator level is presented in this paper. Contributions of interactions after the … 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 .
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 … 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 … WebIn this work, the p−p(p¯) Drell-Yan lepton pair production (DY) differential cross sections at hadron colliders, such as LHC and TEVATRON, are studied in the kt-factorization …
WebThe TMD factorization can be also extended to the moderate q⊥region where an equivalence [31, 32] between the TMD factorization and the twist-3 collinear factorization is found. One of the most important observables in the polarized Drell-Yan process is the Sivers asymmetry. It is contributed
WebThe 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 … radio button styleWebJan 1, 2010 · Drell-Yan process in the k t -factorizations approach and its competition with semileptonic decays of heavy mesons Gabriela ´ Slipek a , Antoni Szczurek a,b a … radio button sql javaWebSep 28, 2024 · The formalism for uniform description of Drell-Yan transverse-momentum spectrum is presented in a framework of High-Energy Factorization, which smoothly … radio button syntax htmlWebJul 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. radio button tkinter syntaxWebFocusing on the threshold Drell-Yan process, I will explain how the general factorization formula can be derived and I will discuss new objects that emerge beyond leading … radio button tkinter styleWebWe consider certain parton distribution functions P(x,k/sub T/) that appear in a proposed form of factorization for the Drell-Yan process at measured Q/sub T/. We argue that these Drell-Yan parton distribution functions P/sub q/A/(x, k/sub T/) are related by a light cone expansion to the distribution functions f/sub q/A/(x) measured in deeply ... radio button syntax in javaWebJul 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 ... cutallsmp-common