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We consider the next-to-leading order (NLO) calculation of single inclusive particle production at forward rapidities in proton-nucleus collisions and in the framework of the Color Glass Condensate (CGC). We focus on the quark channel and…

High Energy Physics - Phenomenology · Physics 2018-12-05 D. N. Triantafyllopoulos

We present the first fully consistent calculation of inclusive $\pi^0$ production at forward rapidities at next-to-leading order (NLO) accuracy in proton-lead collisions at $\sqrt{s}=8.16$ TeV within the Color Glass Condensate approach. The…

High Energy Physics - Phenomenology · Physics 2024-02-23 Heikki Mäntysaari , Yossathorn Tawabutr

Reaching next-to-leading order accuracy in perturbative calculations of particle production in QCD at high energy is essential for reliable phenomenological applications. In recent years, the Color Glass Condensate effective theory (the…

High Energy Physics - Phenomenology · Physics 2018-12-04 B. Ducloué

We study single inclusive forward hadron production in high energy proton-nucleus collisions at next-to-leading order in the Color Glass Condensate framework. Recent studies have shown that the next-to-leading order corrections to this…

High Energy Physics - Phenomenology · Physics 2016-07-05 B. Ducloué , T. Lappi , Y. Zhu

We present the first fully consistent NLO calculation of the single-inclusive forward hadron production in proton-nucleus (pA) collisions under the color glass condensate (CGC) framework. In the dilute-dense limit, the NLO cross-section can…

High Energy Physics - Phenomenology · Physics 2023-07-12 Heikki Mäntysaari , Yossathorn Tawabutr

High order calculation at semi-hard scale is very important, but a satisfactory calculation framework is still missing. We propose a systematic method to regularize rapidity divergences in the CGC factorization, which makes higher order…

Nuclear Theory · Physics 2019-10-31 Hao-Yu Liu , Yan-Qing Ma , Kuang-Ta Chao

We present the first complete NLO prediction with full jet algorithm implementation for the single inclusive jet production in $pA$ collisions within the CGC effective theory. Our prediction is fully differential over the final state…

High Energy Physics - Phenomenology · Physics 2022-12-06 Hao-yu Liu , Kexin Xie , Zhongbo Kang , Xiaohui Liu

In [arXiv:0804.2630], we have analyzed the leading logarithms of energy that appear in the inclusive spectrum of gluons produced in heavy ion collisions, calculated in the Color Glass Condensate framework. The main result of this paper was…

High Energy Physics - Phenomenology · Physics 2013-03-14 F. Gelis , J. Laidet

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.…

High Energy Physics - Phenomenology · Physics 2021-03-17 Edmond Iancu , Yair Mulian

In this paper we firstly demonstrate step by step that the factorization hypothesis is valid at the next-to-leading order (NLO) for the exclusive process $\rho \gamma^{\star} \to \rho$ by employing the collinear factorization approach, and…

High Energy Physics - Phenomenology · Physics 2016-02-10 Ya-lan Zhang , Shan Cheng , Jun Hua , Zhen-jun Xiao

The inclusive production of jets in the central region of rapidity is studied in $k_T$-factorization at next-to-leading order (NLO) in QCD perturbation theory. Calculations are performed in the Regge limit making use of the NLO BFKL…

High Energy Physics - Phenomenology · Physics 2010-02-03 J. Bartels , A. Sabio Vera , F. Schwennsen

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…

High Energy Physics - Phenomenology · Physics 2019-02-27 Sanjin Benić , Kenji Fukushima , Oscar Garcia-Montero , Raju Venugopalan

We study the single hadron inclusive production in the forward rapidity region in proton-nucleus collisions. We find the long-standing negative cross section at next-to-leading-order (NLO) is driven by the large negative threshold…

High Energy Physics - Phenomenology · Physics 2020-12-01 Hao-Yu Liu , Zhong-Bo Kang , Xiaohui Liu

We compute the next-to-leading order (NLO) impact factor for inclusive photon $+$dijet production in electron-nucleus (e+A) deeply inelastic scattering (DIS) at small $x$. An important ingredient in our computation is the simple structure…

High Energy Physics - Phenomenology · Physics 2020-03-04 Kaushik Roy , Raju Venugopalan

Single inclusive particle production cross sections in high energy hadron collisions at forward rapidity are an important benchmark process for the CGC picture of small x QCD. Recent calculations of this process have not led to a stable…

High Energy Physics - Phenomenology · Physics 2017-06-21 B. Ducloué , T. Lappi , Y. Zhu

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…

High Energy Physics - Phenomenology · Physics 2019-02-20 B. Ducloué , T. Lappi , H. Mäntysaari

In this paper, we investigate the factorization hypothesis step by step for the exclusive process $B \to \rho$ at next-to-leading order (NLO) with the collinear factorization approach, and then we extend our results to the $k_T$…

High Energy Physics - Phenomenology · Physics 2019-01-16 Jun Hua , Ya-Lan Zhang , Zhen-Jun Xiao

We compute the cross section for photons emitted from sea quarks in proton-nucleus collisions at collider energies. The computation is performed within the dilute-dense kinematics of the Color Glass Condensate (CGC) effective field theory.…

High Energy Physics - Phenomenology · Physics 2017-03-08 Sanjin Benic , Kenji Fukushima , Oscar Garcia-Montero , Raju Venugopalan

We present a detailed numerical investigation of semi-inclusive forward di-hadron production in proton-nucleus collisions employing the Color Glass Condensate effective theory. We focus on the regime where di-hadrons are produced nearly…

High Energy Physics - Phenomenology · Physics 2025-12-29 Paul Caucal , Zhong-Bo Kang , Piotr Korcyl , Farid Salazar , Björn Schenke , Tomasz Stebel , Raju Venugopalan , Wenbin Zhao

This thesis studies gluon saturation in hadronic matter at high energy by calculating next-to-leading order (NLO) corrections to inclusive and diffractive deep inelastic scattering cross sections in the Color Glass Condensate (CGC)…

High Energy Physics - Phenomenology · Physics 2021-12-17 H. Hänninen
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