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In this paper, we report the production cross-section of forward photons in the pseudorapidity regions of $\eta\,>\,10.94$ and $8.99\,>\,\eta\,>\,8.81$, measured by the LHCf experiment with proton--proton collisions at $\sqrt{s}$ = 13 TeV.…

Generalized Parton Distributions (GPDs) carry information on the internal structure of hadrons such as the angular momentum of quarks and gluons, or their spacelike distribution. They can be experimentally studied in exclusive experiments…

高能物理 - 唯象学 · 物理学 2021-08-13 Oskar Grocholski

New results on inclusive production of Sigma^- and Lambda(1520) and on proton production in quark and gluon jets are presented. These results are based on 2 million hadronic Z decays collected with the DELPHI detector at LEP. They are…

高能物理 - 实验 · 物理学 2007-05-23 V. Uvarov

Hadron multiplicity in the central rapidity region of high-energy heavy-ion collisions is investigated within a two-component mini-jet model which consists of soft and semi-hard particle production. The hard contribution from mini-jets is…

核理论 · 物理学 2009-11-07 Shi-yuan Li , Xin-Nian Wang

We discuss prompt production of $J/\psi$ mesons in proton-proton collisions at the LHC within NRQCD $k_t$-factorization approach using Kimber-Martin-Ryskin (KMR) unintegrated gluon distributions (UGDF). We include both direct color-singlet…

高能物理 - 唯象学 · 物理学 2018-03-07 Anna Cisek , Antoni Szczurek

We study the possibility to analyse the data on inclusive prompt photon production at first LHC runs in the framework of the kt-factorization QCD approach. Our consideration is based on the amplitude for the production of a single photon…

高能物理 - 唯象学 · 物理学 2011-04-20 A. V. Lipatov , M. A. Malyshev , N. P. Zotov

We investigate the inclusive Higgs boson production in proton-proton collisions at the CERN LHC conditions using the $k_T$-factorization approach. Our analysis is based on the dominant off-shell gluon-gluon fusion subprocess (where the…

高能物理 - 唯象学 · 物理学 2018-03-28 N. A. Abdulov , A. V. Lipatov , M. A. Malyshev

We discuss single inclusive hadron production from a high energy quark scattering off a strong target color field in the Color Glass Condensate formalism. Recent calculations of this process at the next-to-leading order accuracy have led to…

高能物理 - 唯象学 · 物理学 2016-07-05 B. Ducloué , T. Lappi , Y. Zhu

In this talk, I reviewed the recent theoretical progress towards the exploration of the gluon saturation phenomenon in $pA$ collisions at both RHIC and the LHC. Two important pillars of this exploration are the single inclusive forward…

核理论 · 物理学 2015-10-28 Bo-Wen Xiao

We investigate the inclusive top quark pair production in proton-proton and proton-antiproton collisions at high energies in the framework of kt-factorization QCD approach. Our study is based on the off-shell partonic subprocesses g*g* ->…

高能物理 - 唯象学 · 物理学 2015-05-28 A. V. Lipatov , N. P. Zotov

The PHOBOS experiment has measured the properties of particle production in heavy ion collisions between sqrt(s_NN) of 20 and 200 GeV. The dependencies of charged particle yield on energy, system size, and both longitudinal and transverse…

核实验 · 物理学 2007-05-29 G. S. F. Stephans

We present a new calculation of axion-like particle (ALP) production in the semi-exclusive photon-initiated (PI) channel, that is either with intact outgoing protons or rapidity gaps present in the final state, and with no colour flow…

高能物理 - 唯象学 · 物理学 2023-02-23 L. A. Harland-Lang , M. Tasevsky

In this paper, we investigate the inclusive diffractive hadroproduction for $\rm \eta_{c}$ and $\rm \eta_{b}$ at the LHC energies. Based on the NRQCD factorization formalism and the resolved-Pomeron model for the quarkonium production…

高能物理 - 唯象学 · 物理学 2020-04-01 Tichouk , Hao Sun , Xuan Luo

The LHC data on the forward heavy flavour hadron production can be a new unique source for estimation of intrinsic charm and bottom contributions to the proton. For example, we analyze the forward heavy baryon production, namely…

高能物理 - 唯象学 · 物理学 2015-06-05 G. I. Lykasov , V. A. Bednyakov , A. F. Pikelner , N. I. Zimin

We report on the measurement of the central exclusive production process $pp \ \rightarrow \ pXp$ in proton-proton collisions at RHIC with the STAR detector at $\sqrt{\mathrm{s}} = 510$ GeV. At this energy, this process is dominated by a…

高能物理 - 实验 · 物理学 2020-12-14 Tomas Truhlar

We calculate the cross section for forward $\mathrm{J}/\psi$ production in proton-proton and minimum bias proton-lead collisions using the Color Glass Condensate (CGC) and Non-Relativistic QCD (NRQCD) formalism consistently with Deep…

高能物理 - 唯象学 · 物理学 2024-09-04 Patricia Gimeno-Estivill , Tuomas Lappi , Heikki Mäntysaari

The production of $\pi^+$, $\pi^-$, $K^+$, $K^-$, p, and pbar at mid-rapidity has been measured in proton-proton collisions at $\sqrt{s} = 900$ GeV with the ALICE detector. Particle identification is performed using the specific energy loss…

高能物理 - 实验 · 物理学 2017-09-29 ALICE Collaboration

Single particles and jets in deeply inelastic scattering at low x are measured with the H1 detector in the region away from the current jet and towards the proton remnant, known as the forward region. Hadronic final state measurements in…

高能物理 - 实验 · 物理学 2010-03-25 C. Adloff

The problem of forward production of hadrons in heavy-ion collision at RHIC is revisited with modification of the theoretical treatment on the one hand and with the use of new data on the other. The basic formalism for hadronization remains…

核理论 · 物理学 2008-11-26 Rudolph C. Hwa , Li-Lin Zhu

Based on a nonequilibrium-statistical relativistic diffusion model that is consistent with quantum chromodynamics (QCD), we investigate baryon stopping in relativistic heavy-ion collisions at SPS, RHIC, and LHC energies. The net-proton…

高能物理 - 唯象学 · 物理学 2023-04-17 Johannes Hoelck , Emiko Hiyama , Georg Wolschin