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相关论文: Single-diffractive production of dijets within the…

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In the present work, which is based on the k_-factorization framework, it is intended to make a detail study of the isolated prompt-photon pairs (IPPP) production in the high-energy inelastic hadron-hadron collisions differential cross…

高能物理 - 唯象学 · 物理学 2019-09-10 M. Modarres , R. Aminzadeh Nik , R. Kord Valeshbadi , H. Hosseinkhani , N. Olanj

We present a systematic investigation of jet production at hadron colliders from a phenomenological point of view, with the dual aim of providing a validation of theoretical calculations and guidance to future determinations of parton…

In this paper, we investigate the differential cross sections of the inclusive jet and dijet productions of the ZEUS collaboration data at the center of mass energies of $\sim 300\;GeV$ and $ 319\;GeV$ using the $k_t$ and…

高能物理 - 唯象学 · 物理学 2021-08-02 R. Kord Valeshabadi , M. Modarres , S. Rezaie , R. Aminzadeh Nik

We calculate differential distributions for diffractive production of dijets in $ep\rightarrow e^{'}p\,jet\,jet$ reaction using off diagonal unintegrated gluon distributions, often called GTMDs for brevity. Different models are used. We…

高能物理 - 唯象学 · 物理学 2024-12-13 Antoni Szczurek , Barbara Linek

In this work we consider the dilepton production via timelike Compton scattering (TCS) in electron-proton and proton-proton collisions. In particular, the differential cross section in terms of the dilepton invariant mass and rapidity is…

高能物理 - 唯象学 · 物理学 2020-11-30 G. M. Peccini , L. S. Moriggi , M. V. T. Machado

We have studied the production of single isolated prompt photons in high energy proton-proton collisions at the RHIC ($\sqrt{s}$= 200 GeV) and the LHC ($\sqrt{s}$= 7 TeV) energies within the frame work of perturbative QCD upto next-to…

高能物理 - 唯象学 · 物理学 2017-08-02 Somnath De

We calculate the cross-sections of diffractive single hadron photo- or electroproduction with large $p_T$, on a nucleon or a nucleus in the shockwave formalism. We use the hybrid formalism mixing collinear factorization with high energy…

高能物理 - 唯象学 · 物理学 2024-03-05 Michael Fucilla , Andrey Grabovsky , Emilie Li , Lech Szymanowski , Samuel Wallon

We present our study of the differential cross section for the Higgs boson production in $k_T$-factorization framework. The $k_T$-factorization formalism includes a convolution over unintegrated parton distribution functions (uPDF) and…

高能物理 - 唯象学 · 物理学 2016-11-01 Vaibhav S. Rawoot , Rashidul Islam , Mukesh Kumar

Inclusive cross sections for pion production in proton-proton collisions are calculated for the first time based on unintegrated parton (gluon, quark, antiquark) distributions (uPDF). We use Kwieci\'nski uPDF's and phenomenological…

核理论 · 物理学 2009-11-11 M. Czech , A. Szczurek

The cross section for dijet production in pp collisions at sqrt(s) = 7 TeV is presented as a function of xi, a variable that approximates the fractional momentum loss of the scattered proton in single-diffractive events. The analysis is…

高能物理 - 实验 · 物理学 2015-03-20 CMS Collaboration

We propose a factorization formula for the cross section for forward dijet production in dilute-dense collisions. The new formula is applicable for an arbitrary value of the momentum imbalance of the two jets, $k_t$. It unifies the…

高能物理 - 唯象学 · 物理学 2015-12-01 Elena Petreska

We consider central exclusive production of $gg$ dijets in proton-proton (proton-antiproton) collisions at LHC and Tevatron for different intermediate and final gluon polarisations. The amplitude for the process is derived within the…

高能物理 - 唯象学 · 物理学 2015-05-30 Rafal Maciula , Roman Pasechnik , Antoni Szczurek

After new publications of H1 data for the diffractive photoproduction of dijets, which overlap with the earlier published H1 data and the recently published data of the ZEUS collaboration, have appeared, we have recalculated the cross…

高能物理 - 唯象学 · 物理学 2011-02-09 M. Klasen , G. Kramer

We present an updated set of {\tt SKMHS} diffractive parton distribution functions (PDFs). In addition to the diffractive deep-inelastic scattering (diffractive DIS) data sets, the recent diffractive dijet cross sections measurements by the…

高能物理 - 唯象学 · 物理学 2023-06-14 Maral Salajegheh , Hamzeh Khanpour , Ulf-G. Meißner , Hadi Hashamipour , Maryam Soleymaninia

We discuss diffractive production of open charm and bottom mesons at the LHC. The differential cross sections for single- and central-diffractive mechanisms for $c\bar c$ and $b\bar b$ pair production are calculated in the framework of the…

高能物理 - 唯象学 · 物理学 2015-03-25 Marta Luszczak , Rafal Maciula , Antoni Szczurek

Using the framework that interpolates between the leading power limit of the Color Glass Condensate and the High Energy (or $k_{T}$) factorization we calculate the direct component of the forward dijet production in ultra-peripheral…

高能物理 - 唯象学 · 物理学 2017-06-28 P. Kotko , K. Kutak , S. Sapeta , A. M. Stasto , M. Strikman

Hadronic processes in which hard diffractive production takes place have been observed and analyzed in collider experiments for several years. The experimental rates of diffractive W's and dijets measured at the Tevatron and the cross…

高能物理 - 唯象学 · 物理学 2014-11-17 R. J. M. Covolan , M. S. Soares

Recently, the ATLAS data of isolated three-photon production showed that the next-to-leading order (NLO) collinear factorization is not enough to describe experimental data. Therefore, one needs to calculate the cross section beyond the…

高能物理 - 唯象学 · 物理学 2021-11-04 R. Kord Valeshabadi , M. Modarres , S. Rezaie

In the present work, it is intended to calculate the unintegrated parton distribution functions (UPDFs) of the $^6{Li}$ nucleus, which depend not only on the longitudinal momentum fraction $x$ (the Bjorken variable) and the factorization…

高能物理 - 唯象学 · 物理学 2019-01-23 M. Modarres , H. Hadian

The goal of this study is to determine a set of diffractive parton distribution function (diffractive PDFs) from a QCD analysis of all available and up-to-date diffractive deep inelastic scattering (diffractive DIS) data sets from HERA $ep$…

高能物理 - 唯象学 · 物理学 2019-04-02 Hamzeh Khanpour