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We investigate inclusive forward single-hadron production in high-energy proton--proton collisions using a CGC-inspired Monte Carlo event generator, MC-CGC. We carried out a systematic study of the sensitivity of the running-coupling…

高能物理 - 唯象学 · 物理学 2026-05-18 Hirotsugu Fujii , Tetsufumi Hirano , Kazunori Itakura , Yasushi Nara , Shujun Zhao

We study gluon production in high energy proton-nucleus collisions in the semi-classical framework of the Color Glass Condensate. We develop a general formalism to compute gluon fields in covariant gauge to lowest order in the classical…

高能物理 - 唯象学 · 物理学 2010-04-06 J. P. Blaizot , F. Gelis , R. Venugopalan

At leading-order, the standard dilute-dense Color Glass Condensate formula used for two-particle correlations in proton-nucleus collisions, whose symmetries prevent the generation of odd azimuthal anisotropy harmonics, is the dilute…

高能物理 - 唯象学 · 物理学 2023-03-16 Anderson Kendi Kohara , Cyrille Marquet , Víctor Vila

With the advent of very powerful particle accelerators, such as RHIC and the LHC, it becomes possible to study QCD in high energy collisions, in which the gluon content of the proton or nucleus is probed and its density becomes often large…

高能物理 - 唯象学 · 物理学 2017-11-13 Pieter Taels

We show that the numerical solution of the classical SU(3) Yang-Mills equations of motion in the McLerran-Venugopalan model for gluon production in central heavy ion collisions leads to a suppresion at low $p_t$ and an enhancement at the…

核理论 · 物理学 2010-11-30 Jamal Jalilian-Marian , Yasushi Nara , Raju Venugopalan

Exploiting recently obtained analytic solutions of classical Yang-Mills equations for higher order perturbations in the field of the dilute object (proton), we derive the complete first saturation correction to the single inclusive…

高能物理 - 唯象学 · 物理学 2021-07-14 Ming Li , Vladimir V. Skokov

Using the CGC effective theory together with the hybrid factorisation, we study forward dijet production in proton-nucleus collisions beyond leading order. In this paper, we compute the "real" next-to-leading order (NLO) corrections, i.e.…

高能物理 - 唯象学 · 物理学 2021-03-17 Edmond Iancu , Yair Mulian

In this paper, we compute a number of cross sections for the production of multiple particles at mid-rapidity in the semi-dilute / dense regime of the color-glass condensate (CGC) effective field theory. In particular, we present new…

高能物理 - 唯象学 · 物理学 2019-02-20 Mauricio Martinez , Matthew D. Sievert , Douglas E. Wertepny

We extend the study of corrections to the eikonal approximation that was initiated in Ref. \cite{Altinoluk:2014oxa} to higher orders. These corrections associated with the finite width of the target are investigated and the gluon propagator…

高能物理 - 唯象学 · 物理学 2016-02-17 Tolga Altinoluk , Néstor Armesto , Guillaume Beuf , Alexis Moscoso

We compute single inclusive hadron production in proton-proton and proton-nucleus collisions consistently within the CGC framework. The parameters in the calculations are obtained from electron-proton DIS and standard nuclear geometry. We…

高能物理 - 唯象学 · 物理学 2015-02-10 T. Lappi , H. Mäntysaari

In this paper we estimate the influence of nonlinear gluon evolution in the production of prompt photons at the LHC pp collider. We assume the validity of collinear factorization and consider the EHKQS parton distributions, which are…

高能物理 - 唯象学 · 物理学 2008-11-26 C. Brenner Mariotto , V. P. Goncalves

We calculate isolated photon production at forward rapidities in proton-nucleus collisions in the Color Glass Condensate framework. Our calculation uses dipole cross sections solved from the running coupling Balitsky-Kovchegov equation with…

高能物理 - 唯象学 · 物理学 2018-03-28 B. Ducloué , T. Lappi , H. Mäntysaari

The leading order single inclusive soft gluon production in high energy proton-nucleus (pA) collisions has been studied by various approaches for more than two decades. The first correction due to the gluon saturation in proton was…

高能物理 - 唯象学 · 物理学 2021-07-27 Ming Li

We consider one loop corrections to single inclusive particle production in parton-nucleus scattering at high energies, treating the target nucleus as a Color Glass Condensate. We prove by explicit computation that in the leading log Q^2…

高能物理 - 唯象学 · 物理学 2014-11-18 Adrian Dumitru , Arata Hayashigaki , Jamal Jalilian-Marian

We provide quantitative predictions for the rapidity, centrality and energy dependencies of inclusive charged-hadron productions for the forthcoming LHC measurements in nucleus-nucleus collisions based on the idea of gluon saturation in the…

高能物理 - 唯象学 · 物理学 2010-09-02 Eugene Levin , Amir H. Rezaeian

Using the small-$x$ Improved Transverse Momentum Dependent factorization (ITMD), which, for a general two-to-two massless scattering can be proved within the Color Glass Condensate (CGC) theory for transverse momenta of particles greater…

高能物理 - 唯象学 · 物理学 2023-06-21 Ishita Ganguli , Andreas van Hameren , Piotr Kotko , Krzysztof Kutak

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

We consider proton-nucleus collisions at high energy in the Color Glass Condensate framework, and extract from the gluon production cross-section the probabilities of having a definite number of multiple scatterings in the nucleus. Various…

高能物理 - 唯象学 · 物理学 2009-11-11 Nicolas Borghini , Francois Gelis

We compute the leading order (LO) $qg\to q \gamma$ and next-to-leading order (NLO) $gg\to q{\bar q} \gamma$ contributions to inclusive photon production in proton-proton (p+p) collisions at the LHC. These channels provide the dominant…

高能物理 - 唯象学 · 物理学 2019-02-27 Sanjin Benić , Kenji Fukushima , Oscar Garcia-Montero , Raju Venugopalan

We derive inclusive and diffractive forward-gluon production in the scattering of a $q\bar{q}$ dipole off an arbitrary target in the high-energy eikonal approximation, suitable to study the saturation regime. We show how the inclusive…

高能物理 - 唯象学 · 物理学 2009-11-10 Cyrille Marquet