Results 51 to 60 of about 5,364 (292)
Threshold resummation and rapidity dependence [PDF]
Journal of High Energy Physics, 2001 We study the effects of threshold resummation on the rapidity dependence of single-particle-inclusive cross sections, using the prompt photon cross section as an example. We make use of the full resummation formula at next-to-leading logarithmic accuracy and develop a new technique for treating rapidity in resummation.
Sterman, George, Vogelsang, Werner
openaire +2 more sources
Hadron-in-jet production at partonic threshold
Journal of High Energy Physics, 2020 We consider the longitudinal momentum distribution of hadrons inside jets in proton-proton collisions. At partonic threshold large double logarithmic corrections arise which need to be resummed to all orders.
Tom Kaufmann +4 more
doaj +1 more source
Next-to-leading-logarithm threshold resummation for exclusive B meson decays
European Physical Journal C: Particles and Fields, 2021 We extend the threshold resummation of the large logarithms $$\ln x$$ ln x which appear in factorization formulas for exclusive B meson decays, x being a spectator momentum fraction, to the next-to-leading-logarithm (NLL) accuracy.
Zhi-Qing Zhang, Hsiang-nan Li
doaj +1 more source
HIGH ENERGY RESUMMATION IN PERTURBATIVE QCD [PDF]
, 2010 In this work, we review the general aspects of the high energy resummation technique. Recently derived results for high energy resummation of direct photon production are matched to NLO computations, and their implications at the Tevatron and at the ...
G. Diana
core +1 more source
Leading Logarithm Quantum Gravity
UniverseThe continual production of long wavelength gravitons during primordial inflation endows graviton loop corrections with secular growth factors. During a prolonged period of inflation, these factors eventually overwhelm the small loop-counting parameter ...
S. P. Miao, N. C. Tsamis, R. P. Woodard
doaj +1 more source
Matching resummed endpoint and continuum γ-ray spectra from dark-matter annihilation
Physics Letters B, 2022 For the minimal wino and Higgsino benchmark models we provide accurate energy spectra of high-energy photons from TeV scale dark-matter annihilation χχ→γ+X by merging electroweak Sudakov resummation near maximal energy with the electroweak parton-shower ...
M. Beneke, K. Urban, M. Vollmann
doaj +1 more source
Analysis of the 3d massive renormalization group perturbative expansions: a delicate case
Condensed Matter Physics, 2010 The effectiveness of the perturbative renormalization group approach at fixed space dimension d in the theory of critical phenomena is analyzed. Three models are considered: the O(N) model, the cubic model and the antiferromagnetic model defined on the ...
B. Delamotte +3 more
doaj +1 more source
Next-to-leading-logarithm kT resummation for Bc → J/ψ decays
Physics Letters B, 2020 We derive the kT resummation for a transverse-momentum-dependent charmonium wave function, which involves the bottom quark mass mb, the charm quark mass mc, and the charm quark transverse momentum kT, up to the next-to-leading-logarithm (NLL) accuracy ...
Xin Liu, Hsiang-nan Li, Zhen-Jun Xiao
doaj +1 more source
Factorization and resummation for transverse thrust [PDF]
, 2015 We analyze transverse thrust in the framework of Soft Collinear Effective Theory and obtain a factorized expression for the cross section that permits resummation of terms enhanced in the dijet limit to arbitrary accuracy.
Becher, Thomas +3 more
core +1 more source
Resummations and non-perturbative corrections [PDF]
Journal of High Energy Physics, 2015 We consider a generalization of the Borel resummation, which turns out to be equivalent to the standard Borel resummation. We apply it to the simplest large N duality between the pure Chern-Simons theory and the topological string on the resolved conifold, and find a simple integral formula for the free energy.
Hatsuda, Yasuyuki, Okuyama, Kazumi
openaire +5 more sources