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We consider the implications of the Color Glass Condensate for the central region of p+A collisions. We compute the k_t distribution of radiated gluons and their rapidity distribution dN/dy analytically, both in the perturbative regime and…

高能物理 - 唯象学 · 物理学 2010-04-06 Adrian Dumitru , Larry McLerran

We propose the $pp \rightarrow \text{jet} + \gamma $ as a new process for studying the Transverse Momentum Dependent Parton Distribution Functions (TMDs). To do so, we developed a novel framework for the jet-$\gamma$ imbalance in $pp…

高能物理 - 唯象学 · 物理学 2018-12-19 Maarten G. A. Buffing , Zhong-Bo Kang , Kyle Lee , Xiaohui Liu

We investigate the use of jets to measure transverse momentum dependent distributions (TMDs). The example we use to present our framework is the dijet momentum decorrelation at lepton colliders. Translating this momentum decorrelation into…

高能物理 - 唯象学 · 物理学 2018-10-24 Daniel Gutierrez-Reyes , Ignazio Scimemi , Wouter J. Waalewijn , Lorenzo Zoppi

In this paper, we study the production of isolated-photon plus a jet in $pp$ and $PbPb$ collisions, which can be used as an important probe to the jet transport property in quark gluon plasma created in heavy ion collisions. Normally, there…

高能物理 - 唯象学 · 物理学 2018-08-01 Lin Chen , Guang-You Qin , Lei Wang , Shu-Yi Wei , Bo-Wen Xiao , Han-Zhong Zhang , Ya-Qi Zhang

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

Inclusive production of a quarkonium $\eta_{c,b}$ in hadron collisions at low transverse momentum can be used to extract various Transverse-Momentum-Dependent(TMD) gluon distributions of hadrons, provided the TMD factorization for the…

高能物理 - 唯象学 · 物理学 2016-02-03 J. P. Ma , C. Wang

We study lepto- and hadroproduction of a heavy-quark pair in the ITMD factorization framework for dilute-dense collisions. Due to the presence of a nonzero quark mass and/or nonzero photon virtuality, new contributions appear compared to…

高能物理 - 唯象学 · 物理学 2021-06-30 Tolga Altinoluk , Cyrille Marquet , Pieter Taels

The cross-section for the associated production of a jet with an electroweak gauge boson ($G = W^{\pm}, Z^0, \gamma$) at forward rapidities in $pp$ and $pA$ collisions is derived within the color - dipole $S$ - matrix framework. We present…

高能物理 - 唯象学 · 物理学 2025-04-25 Yan B. Bandeira , Victor P. Goncalves , Wolfgang Schäfer

Measuring correlations between forward dijets in deuteron-gold collisions at RHIC will further test the Color Glass Condensate (CGC) picture of the nuclear wavefunction at small-x, which successfully predicted the suppressed production of…

高能物理 - 唯象学 · 物理学 2008-11-26 Cyrille Marquet

We calculate cross section for production of $\chi_c$ pairs in proton-proton collisions. The cross section for the $g g \to \chi_{c J_1} \chi_{c J_2}$ is considerably smaller (especially for $\chi_{c 1} \chi_{c 1}$ final state) than that…

高能物理 - 唯象学 · 物理学 2019-04-17 Izabela Babiarz , Wolfgang Schäfer , Antoni Szczurek

The description of the hadron production at very forward rapidities and low transverse momentum is usually made using phenomenological models based on nonperturbative physics. However, at high energies and large rapidities the wave function…

高能物理 - 唯象学 · 物理学 2013-07-08 V. P. Goncalves , M. L. L. da Silva

We show that in order to obtain a successful description of the transverse momenta distribution for charged particles in ion-ion collisions, one must include a thermal emission term. The temperature of this emission $T_{\rm th}$ turns out…

高能物理 - 唯象学 · 物理学 2019-08-21 E. Gotsman , E. Levin

The impact of the inclusion of TMD shape functions on the transverse momentum spectrum in $J/\psi$ production at the EIC is investigated by considering the matching of the TMD factorization description at low transverse momentum with the…

高能物理 - 唯象学 · 物理学 2025-05-15 Luca Maxia , Daniël Boer , Jelle Bor

We discuss central-forward dijet production at LHC energies within the framework of high energy factorization. In our study, we profit from the recent progress on consistent merging of Sudakov resummation with small-$x$ effects, which…

高能物理 - 唯象学 · 物理学 2021-02-03 A. van Hameren , P. Kotko , K. Kutak , S. Sapeta

In JHEP 11 (2022) 169, we performed the first complete computation of the back-to-back inclusive di-jet cross-section in Deeply Inelastic Scattering (DIS) at small $x_{\rm Bj}$ to next-to-leading order (NLO) in the Color Glass Condensate…

高能物理 - 唯象学 · 物理学 2023-05-11 Paul Caucal , Farid Salazar , Björn Schenke , Tomasz Stebel , Raju Venugopalan

Photon-jet azimuthal correlations in proton-nucleus collisions are a promising tool for gaining information on the gluon distribution of the nucleus in the regime of non-linear color fields. We compute such correlations from the process…

高能物理 - 唯象学 · 物理学 2018-01-31 Sanjin Benić , Adrian Dumitru

We perform the analytical next-to-leading order calculation of the process $p+A\to \gamma^{*}+\mathrm{jet}+X$, at forward rapidities and low $x$. These kinematics justify a hybrid approach, where a quark from the \textquoteleft projectile'…

高能物理 - 唯象学 · 物理学 2023-08-07 Pieter Taels

We study factorization in single transverse spin asymmetries for dijet production in proton-proton collisions, by considering soft gluon radiation at one-loop order. We show that the associated transverse momentum dependent (TMD)…

高能物理 - 唯象学 · 物理学 2021-01-04 Xiaohui Liu , Felix Ringer , Werner Vogelsang , Feng Yuan

Within the Colour Glass Condensate effective theory, we demonstrate that back-to-back dijet correlations in dilute-dense collisions involving a small-$x$ quark from the nuclear target can be factorised in terms of universal transverse…

高能物理 - 唯象学 · 物理学 2026-02-10 Paul Caucal , Marcos Guerrero Morales , Edmond Iancu , Farid Salazar , Feng Yuan

We present measurements of the differential cross section $d\sigma/dp_{T}^{\gamma}$ for the associated production of a $c$-quark jet and an isolated photon with rapidity $|y^{\gamma}|< 1.0$ and transverse momentum $30 < p_{T}^{\gamma} <…

高能物理 - 实验 · 物理学 2013-02-19 D0 Collaboration