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High $p_{\rm T}$ hadrons in the small systems of $d/^3$He+Au and $p$+Al/Au collisions have been measured at the midrapidity ($|\eta|<0.35$) as well as at the forward and backward rapidities ($1.2<|\eta|<2.4$) at $\sqrt{s_{NN}}$=200GeV. A…

Nuclear Experiment · Physics 2019-08-13 Takao Sakaguchi

Generalization of z-scaling observed in the inclusive high-pT charged hadron and jet production is proposed. The scaling function psi(z) describing both charged hadrons and jets produced in proton-(anti)proton collisions for various…

High Energy Physics - Phenomenology · Physics 2011-03-23 I. Zborovsky , M. Tokarev

The scaling properties of direct photon production in pp, barpp and pA collisions at high energies is reviewed. The experimental data on the cross sections obtained at ISR, SpS and Tevatron are used in the analysis. The properties of data…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Tokarev , G. Efimov

The rapidity dependence of inclusive and coincident particle production in d(p)+Au collisions at RHIC can be used to probe nuclear parton distribution functions down to small momentum fractions where theory anticipates that parton…

In this paper, we conduct a data-driven study of the production of softened hadrons and their contribution to the transverse momentum spectrum. To this end, we assume that the production of charged particles at soft and hard scales…

High Energy Physics - Phenomenology · Physics 2025-07-15 D. Rosales Herrera , J. R. Alvarado García , A. Fernández Téllez , E. Cuautle , J. E. Ramírez

In these proceedings, we discuss recent results from d+Au collisions in PHENIX ridge related measurements and their possible hydrodynamic origin. We present the v2 at midrapidity and measurements of the pseudorapidity dependence of the…

Nuclear Experiment · Physics 2019-08-13 Anne M. Sickles

We discuss azimuthal correlations in double inclusive hadron production in high energy $dA$ collisions at RHIC. We argue that the leading logarithmic approximation is inadequate for description of experimental data. Realistic shape of the…

High Energy Physics - Phenomenology · Physics 2015-05-20 Kirill Tuchin

We present a summary of the physics of gluon saturation and non-linear QCD evolution at small values of parton momentum fraction $x$ in the proton and nucleus in the context of recent experimental results at HERA and RHIC. The rich physics…

High Energy Physics - Experiment · Physics 2008-11-26 David d'Enterria

Recent observations of extended pseudorapidity correlations at the LHC in p+p and p+Pb collisions are of great interest. Here we present related re- sults from d+Au collisions at PHENIX. We present the observed v2 and discuss the possible…

Nuclear Experiment · Physics 2019-08-13 Anne M. Sickles

In this paper, we perform the Tsallis Blast-Wave analysis on the transverse momentum spectra of identified hadrons produced in a wide range of collision systems at the Large Hadron Collider (LHC) including pp, pPb, XeXe and PbPb collisions.…

High Energy Physics - Phenomenology · Physics 2023-05-09 Lian Liu , Zhong-Bao Yin , Liang Zheng

The latest, high-accuracy identified hadron spectra measurements in high-energy nuclear collisions led us to the investigation of the strongly interacting particles and collective effects in small systems. Since microscopical processes…

High Energy Physics - Phenomenology · Physics 2018-03-14 Gábor Bíró , Gergely Gábor Barnaföldi , Tamás Sándor Biró , Keming Shen

The properties of particle production in pp collisions are basis for analysis of pA and AA interactions and verification of theory. We analyzed inclusive particle production using z-scaling established in proton-proton and proton-antiproton…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. V. Tokarev , Yu. A. Panebratsev , G. P. Skoro , I. Zborovsky

Saturation and geometrical scaling (GS) of gluon distributions are a consequence of the non-linear evolution equations of QCD. We argue that in pp GS holds for the inelastic cross-section rather than for the multiplicity distributions. We…

High Energy Physics - Phenomenology · Physics 2016-07-15 Michal Praszalowicz

The scale factor is the effective cross section used to characterize the measured rate of inclusive double dijet production in high energy hadron collisions. It is sensitive to the two-parton distributions in the hadronic projectile. In…

High Energy Physics - Phenomenology · Physics 2010-01-06 Svend Domdey , Hans-Jurgen Pirner , Urs Achim Wiedemann

The scaling properties of elliptic flow of hadrons produced in ultrarelativistic heavy-ion collisions are investigated at low transverse momenta, $p_T\lsim 2$\,GeV. Utilizing empirical parameterizations of a thermalized fireball with…

Nuclear Theory · Physics 2014-11-21 Min He , Rainer J. Fries , Ralf Rapp

New analysis of experimental data on hadron (pi, K, barp) production in p-p and p-D collisions at high-pT in z-presentation is performed. Data on inclusive cross sections of cumulative particles produced in backward hemisphere in p-A…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Tokarev , D. Toivonen

With the experimental data from STAR and PHENIX on the centrality dependence of the $p_T$ spectra of protons and anti-protons produced at mid-rapidity in Au+Au collisions at 200 GeV, we show that for protons and anti-protons there exists a…

Nuclear Theory · Physics 2008-11-26 W. C. Zhang , Y. Zeng , W. X. Nie , L. L. Zhu , C. B. Yang

We study the structure of jets in proton-proton collisions at LHC energies using \textsc{Pythia} 8 Monte Carlo simulations. We demonstrate that the radial jet profiles exhibit scaling properties with charged-hadron event multiplicity over a…

High Energy Physics - Phenomenology · Physics 2021-07-13 Antal Gemes , Robert Vertesi , Gabor Papp , Gergely Gabor Barnafoldi

We derive a simple analytical scaling function which embodies the predictions of high density QCD on the energy, centrality, rapidity, and atomic number dependences of hadron multiplicities in nuclear collisions. Both centrality and…

Nuclear Theory · Physics 2008-11-26 D. Kharzeev , E. Levin

I provide a brief summary of the theory presentations at ISMD 2011 related to the phenomenology of small-x QCD evolution and its application to particle production and fluctuations in high-energy hadron and heavy-ion collisions. I also…

High Energy Physics - Phenomenology · Physics 2015-06-03 Adrian Dumitru