Results 71 to 80 of about 1,466 (260)
Self consistent thermal resummation: a case study of the phase transition in 2HDM
Journal of High Energy PhysicsAn accurate description of the scalar potential at finite temperature is crucial for studying cosmological first-order phase transitions (FOPT) in the early Universe.
Pedro Bittar +2 more
doaj +1 more source
Towards parton distribution functions with small-x resummation: HELL 2.0
Journal of High Energy Physics, 2017 In global fits of parton distribution functions (PDFs) a large fraction of data points, mostly from the HERA collider, lies in a region of x and Q 2 that is sensitive to small-x logarithmic enhancements.
Marco Bonvini +2 more
doaj +1 more source
Unification of the kT and threshold resummations [PDF]
Physics Letters B, 1999 We derive a resummation formula for a $k_T$-dependent parton distribution function at threshold, where $k_T$ is a parton transverse momentum. The derivation requires infrared cutoffs for both longitudinal and transverse loop momenta as evaluating soft gluon emissions in the Collins-Soper resummation framework.
openaire +2 more sources
Resummations in Hot Scalar Electrodynamics [PDF]
Annals of Physics, 1995 The gauge-boson sector of perturbative scalar electrodynamics is investigated in detail as a testing ground for resummation methods in hot gauge theories. It also serves as a simple non-trivial reference system for the non-Abelian gluon plasma.
Kraemmer, U., Rebhan, A. K., Schulz, H.
openaire +3 more sources
Power spectral density and the brain
Canadian Journal of Statistics, EarlyView.Abstract Time series from M/EEG (magneto/electroencephalography) and ECoG (electrocorticography) recordings are common sources of information about brain function. The power spectral density (PSD) preserves much of this information, up to second order. In the current decade, a burst of brain diagnostics using the slope of log(PSD) has appeared.
Priscilla E. Greenwood +2 more
wiley +1 more source
Quantifying comparisons of threshold resummations [PDF]
Journal of High Energy Physics, 2014 36 pages, 8 ...
Sterman, George, Zeng, Mao
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Vine copula knockoffs for variable selection in gene expression studies
Canadian Journal of Statistics, EarlyView.Abstract Identifying clinical and genetic markers is essential for stratifying cancer patients by survival outcomes and guiding personalized treatment strategies. However, gene expression studies often involve high‐dimensional predictors with mixed data types and complex dependence, which complicates reliable variable selection.
José Ulises Márquez Urbina +3 more
wiley +1 more source
reSolve — A transverse momentum resummation tool [PDF]
Computer Physics Communications, 2019 In this note, we introduce the new tool reSolve, a Monte Carlo differential cross-section and parton-level event generator whose main purpose is to add transverse momentum resummation to a general class of inclusive processes at hadron colliders, namely all those which do not involve hadrons or jets in the measured final state.
Francesco Coradeschi, Thomas Cridge
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Nonparametric maximum likelihood estimation of the survival function using current lifetime data
Canadian Journal of Statistics, EarlyView.Abstract An issue when estimating the failure time survival function is how to set up a prevalent cohort study infrastructure to follow subjects after enrollment. This problem can be circumvented through the well‐known Grenander density estimator using current lifetime observations only.
James H. McVittie, Masoud Asgharian
wiley +1 more source
Small-x resummation from HELL [PDF]
The European Physical Journal C, 2016 Small-$x$ logarithmic enhancements arising from high-energy gluon emissions affect both the evolution of collinearly-factorized parton densities and partonic coefficient functions. With the higher collider energy reached by the LHC, the prospect of a future high-energy collider, and the recent deep-inelastic scattering (DIS) results at small-$x$ from ...
Bonvini M., Marzani S., Peraro T.
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