714 citations · 2.2k across the 48 of their papers we have counts for
49 papers · 1 filter
The upcoming CTEQ-TEA parton distributions in a nutshell
A. Ablat, A. Courtoy, S. Dulat +8
We review recent studies by the CTEQ-TEA group toward the development of a new generation of precision parton distribution functions in the nucleon for advanced studies at the high…
New results in the CTEQ-TEA global analysis of parton distributions in the nucleon
A. Ablat, A. Courtoy, S. Dulat +11
This report summarizes the latest developments in the CTEQ-TEA global analysis of parton distribution functions (PDFs) in the nucleon. The focus is on recent NNLO fits to high-prec…
Quantifying the interplay of experimental constraints in analyses of parton distributions
Xiaoxian Jing, Amanda Cooper-Sarkar, Aurore Courtoy +9
Parton distribution functions (PDFs) play a central role in calculations for the Large Hadron Collider (LHC). To gain a deeper understanding of the emergence and interplay of const…
Searching for Heavy Leptophilic : from Lepton Colliders to Gravitational Waves
Arnab Dasgupta, P. S. Bhupal Dev, Tao Han +3
We study the phenomenology of leptophilic gauge bosons at the future high-energy and colliders, as well as at the gravitational wave observatories. The lepto…
Exploring the impact of high-precision top-quark pair production data on the structure of the proton at the LHC
Alim Ablat, Marco Guzzi, Keping Xie +4
The impact of recent LHC top-quark pair production single differential cross section measurements at 13 TeV collision energy on the structure of the proton is explored. In particul…
Precision studies of the post-CT18 LHC Drell-Yan data in the CTEQ-TEA global analysis
Ibrahim Sitiwaldi, Keping Xie, Alim Ablat +3
In this study, we examine closely the impact of the post-CT18 LHC Drell-Yan data on parton distribution functions (PDFs) in the general CTEQ-TEA global analysis framework. We compa…
Fermionic Electroweak NNLO Corrections to with Polarized Beams and Different Renormalization Schemes
Ayres Freitas, Qian Song, Keping Xie
Recently, the next-to-next-to-leading order (NNLO) electroweak corrections with fermion loops to the Higgsstrahling process were computed. Here we present numerical results for pol…
The Photon Content of the Neutron
Keping Xie, Bei Zhou, T. J. Hobbs
In this work, we complete our CT18qed study with the neutron's photon parton distribution function (PDF), which is essential for the nucleus scattering phenomenology. Two methods,…
High-energy neutrino deep inelastic scattering cross sections
Keping Xie, Jun Gao, T. J. Hobbs +2
We present a state-of-the-art prediction for cross sections of neutrino deep inelastic scattering (DIS) from nucleon at high neutrino energies, , from 100 GeV to 1000 EeV ($10…
Precision test of the muon-Higgs coupling at a high-energy muon collider
Jürgen Reuter, Tao Han, Wolfgang Kilian +4
We explore the sensitivity of directly testing the muon-Higgs coupling at a high-energy muon collider. This is strongly motivated if there exists new physics that is not aligned wi…
The persistent nonperturbative charm enigma
Marco Guzzi, T. J. Hobbs, Keping Xie +3
The question of the existence and possible magnitude of nonperturbative (often called "intrinsic") charm in the proton has long confounded attempts to cleanly isolate such a contri…
Report of the Topical Group on Physics Beyond the Standard Model at Energy Frontier for Snowmass 2021
Tulika Bose, Antonio Boveia, Caterina Doglioni +318
This is the Snowmass2021 Energy Frontier (EF) Beyond the Standard Model (BSM) report. It combines the EF topical group reports of EF08 (Model-specific explorations), EF09 (More gen…
Heavy Neutral Leptons at the Electron-Ion Collider
Brian Batell, Tathagata Ghosh, Tao Han +1
The future Electron-Ion Collider (EIC) at Brookhaven National Laboratory, along with its primary capacity to elucidate the nuclear structure, will offer new opportunities to probe…
Heavy-flavor impact on CTEQ-TEA global QCD analyses
Marco Guzzi, Alim Ablat, Sayipjamal Dulat +5
We discuss heavy-flavor production at hadron colliders in recent global QCD analyses to determine parton distribution functions (PDFs) in the proton. We discuss heavy-flavor treatm…
Precision QCD, Hadronic Structure & Forward QCD, Heavy Ions: Report of Energy Frontier Topical Groups 5, 6, 7 submitted to Snowmass 2021
M. Begel, S. Hoeche, M. Schmitt +47
This report was prepared on behalf of three Energy Frontier Topical Groups of the Snowmass 2021 Community Planning Exercise. It summarizes the status and implications of studies of…
Report of the Topical Group on Top quark physics and heavy flavor production for Snowmass 2021
Reinhard Schwienhorst, Doreen Wackeroth, Kaustubh Agashe +68
This report summarizes the work of the Energy Frontier Topical Group on EW Physics: Heavy flavor and top quark physics (EF03) of the 2021 Community Summer Study (Snowmass). It aims…
Report of the Topical Group on Electroweak Precision Physics and Constraining New Physics for Snowmass 2021
Alberto Belloni, Ayres Freitas, Junping Tian +65
The precise measurement of physics observables and the test of their consistency within the standard model (SM) are an invaluable approach, complemented by direct searches for new…
Understanding PDF uncertainty on the boson mass measurements in CT18 global analysis
Jun Gao, DianYu Liu, Keping Xie
We study the dependence of the transverse mass distribution of the charged lepton and the missing energies on the parton distributions (PDFs) adapted to the boson mass measurem…
Parton distributions need representative sampling
Aurore Courtoy, Joey Huston, Pavel Nadolsky +3
In global QCD fits of parton distribution functions (PDFs), a large part of the estimated uncertainty on the PDFs originates from the choices of parametric functional forms and fit…
The PDF4LHC21 combination of global PDF fits for the LHC Run III
Richard D. Ball, Jon Butterworth, Amanda M. Cooper-Sarkar +19
A precise knowledge of the quark and gluon structure of the proton, encoded by the parton distribution functions (PDFs), is of paramount importance for the interpretation of high-e…
Electroweak fragmentation at high energies: A Snowmass White Paper
Tao Han, Yang Ma, Keping Xie
In particle collisions at energies higher than the mass scale involved, the collinear splitting becomes the dominant phenomena. Suitable descriptions of the physics in this regime…
Probing heavy-flavor parton distribution functions at hadron colliders
Keping Xie, Marco Guzzi, Pavel Nadolsky
Precision measurements of heavy-flavor hadroproduction at the Large Hadron Collider (LHC) have the ability to probe heavy-flavor parton distribution functions (PDFs) in the proton.…
Snowmass 2021 whitepaper: Proton structure at the precision frontier
S. Amoroso, A. Apyan, N. Armesto +54
An overwhelming number of theoretical predictions for hadron colliders require parton distribution functions (PDFs), which are an important ingredient of theory infrastructure for…
The strong coupling constant: State of the art and the decade ahead
D. d'Enterria, S. Kluth, G. Zanderighi +55
Theoretical predictions for particle production cross sections and decays at colliders rely heavily on perturbative Quantum Chromodynamics (QCD) calculations, expressed as an expan…