English
Related papers

Related papers: Accessing Linearly Polarized Gluon Distribution in…

200 papers

We present a calculation of the $cos (2 \phi_h)$ asymmetry in $J/\psi$ production in electron-proton collision at the future electron-ion collider (EIC), a useful channel to probe the gluon TMDs. We calculate the asymmetry at…

High Energy Physics - Phenomenology · Physics 2021-11-24 Raj Kishore , Asmita Mukherjee , Mariyah Siddiqah

We investigate the azimuthal asymmetries such as $\cos2{\phi_T}$ and Sivers symmetry for $J/\psi$ and $\pi^\pm$ production in electron-proton scattering, focusing on scenarios where the $J/\psi$ and the pion are produced in an almost…

High Energy Physics - Phenomenology · Physics 2024-08-13 Khatiza Banu , Asmita Mukherjee , Amol Pawar , Sangem Rajesh

In this paper we analyze azimuthal asymmetries in the processes of unpolarized and polarized $J/\psi \,(\Upsilon)$ production at an Electron-Ion Collider. Apart from giving access to various unknown gluon transverse momentum distributions,…

High Energy Physics - Phenomenology · Physics 2019-09-26 Alessandro Bacchetta , Daniël Boer , Cristian Pisano , Pieter Taels

We present a recent calculation of the transverse momentum dependent gluon distributions inside unpolarised protons and show how the ratio of the linearly polarized and the unpolarized gluon distribution in the proton can be probed by…

High Energy Physics - Phenomenology · Physics 2021-07-06 Raj Kishore , Asmita Mukherjee , Mariyah Siddiqah

We calculate the Sivers and $\cos2\phi$ azimuthal asymmetries in $J/\psi$ production in polarized and unpolarized semi-inclusive $ep$ collision respectively, using the formalism based on transverse momentum dependent parton distributions…

High Energy Physics - Phenomenology · Physics 2018-01-17 Asmita Mukherjee , Sangem Rajesh

We study the Sivers azimuthal asymmetry for $J/\psi$ production in semi-inclusive deep inelastic scattering, and the still poorly known gluon Sivers function. We concentrate on the $J/\psi$ low transverse momentum region, employing the…

High Energy Physics - Phenomenology · Physics 2023-01-18 U. D'Alesio , A. Mukherjee , F. Murgia , C. Pisano , S. Rajesh

Semi-inclusive $J/\psi$ production in electron-proton collisions is a promising process to study gluon transverse momentum distributions (TMDs) at the future Electron-Ion Collider. In this article, we improve on previous studies of the…

High Energy Physics - Phenomenology · Physics 2022-08-15 Jelle Bor , Daniël Boer

We consider transverse momentum dependent gluon distributions inside both unpolarized and transversely polarized protons and show how they can be probed by looking at azimuthal modulations in $e \, p \to e \, J/\psi \, \mathrm{jet} \, X$.…

High Energy Physics - Phenomenology · Physics 2019-12-10 Umberto D'Alesio , Francesco Murgia , Cristian Pisano , Pieter Taels

We propose to use transverse momentum $p_T$ distribution of $J/\psi$ production at the future Electron Ion Collider (EIC) to explore the production mechanism of heavy quarkonia in high energy collisions. We apply QCD and QED collinear…

High Energy Physics - Phenomenology · Physics 2021-07-07 Jian-Wei Qiu , Xiang-Peng Wang , Hongxi Xing

The Weizsaecker-Williams transverse momentum dependent (TMD) gluon distributions can be probed in the production of a hard dijet in semi-inclusive DIS. This process is sensitive not only to the conventional but also to the linearly…

High Energy Physics - Phenomenology · Physics 2019-07-26 Vladimir Skokov

Gluon TMDs can be accessed through the analysis of azimuthal asymmetries for heavy quark pair and dijet production in electron-proton collisions, similarly to the way quark TMDs are commonly extracted from semi-inclusive deep-inelastic…

High Energy Physics - Phenomenology · Physics 2016-12-21 Cristian Pisano , Daniël Boer , Piet J. Mulders , Jian Zhou

We show how transverse momentum dependent gluon distributions could be probed at a future Electron-Ion Collider through the analysis of transverse momentum spectra and azimuthal asymmetries in the inclusive electroproduction of $J/\psi$ and…

High Energy Physics - Phenomenology · Physics 2020-01-01 Cristian Pisano

We calculate azimuthal asymmetries in back-to-back production of $J/\psi$ and a photon in electron-proton scattering process at the future electron-ion collider (EIC) using TMD factorization framework. We consider the cases where the proton…

High Energy Physics - Phenomenology · Physics 2023-01-18 Dipankar Chakrabarti , Raj Kishore , Asmita Mukherjee , Sangem Rajesh

We show that the production of J/psi or Upsilon pairs in unpolarised pp collisions is currently the best process to measure the momentum-distribution of linearly-polarised gluons inside unpolarised protons through the study of azimuthal…

High Energy Physics - Phenomenology · Physics 2019-01-30 Jean-Philippe Lansberg , Cristian Pisano , Florent Scarpa , Marc Schlegel

Gluons inside unpolarized hadrons can be linearly polarized provided they have a nonzero transverse momentum. The simplest and theoretically safest way to probe this distribution of linearly polarized gluons is through cos(2 phi)…

High Energy Physics - Phenomenology · Physics 2011-07-08 Daniel Boer , Stanley J. Brodsky , Piet J. Mulders , Cristian Pisano

By investigating the soft gluon radiation in the $J/\psi$ plus jet photoproduction at the electron-ion collider (EIC), we demonstrate that the azimuthal angular correlations between the leading jet and heavy quarkonium provide a unique…

High Energy Physics - Phenomenology · Physics 2025-01-08 Luca Maxia , Feng Yuan

We calculate the Sivers asymmetry in the photoproduction of almost back-to-back $J/\psi$-jet pair in the process $ep^\uparrow \to J/\psi+\mathrm{jet}+X$, which will be possible at the future planned electron-ion collider (EIC). We use the…

High Energy Physics - Phenomenology · Physics 2020-03-11 Raj Kishore , Asmita Mukherjee , Sangem Rajesh

We show that the production of a Higgs boson in association with a jet in proton-proton collisions is sensitive to the linear polarization of gluons inside unpolarized protons. We present the analytical expressions, at leading order in…

High Energy Physics - Phenomenology · Physics 2015-07-28 Cristian Pisano

The near-threshold photoproduction of $J/\psi$ is regarded as one golden process to unveil the nucleon mass structure, pentaquark state involving the charm quarks, and the poorly constrained gluon distribution of the nucleon at large $x$…

High Energy Physics - Phenomenology · Physics 2020-12-02 Fancong Zeng , Xiao-Yun Wang , Li Zhang , Ya-Ping Xie , Rong Wang , Xurong Chen

Asymmetries in heavy quark pair and dijet production in electron-proton collisions allow studies of gluon TMDs in close analogy to studies of quark TMDs in semi-inclusive DIS. Here we present expressions for azimuthal asymmetries for both…

High Energy Physics - Phenomenology · Physics 2016-08-24 Daniël Boer , Piet J. Mulders , Cristian Pisano , Jian Zhou
‹ Prev 1 2 3 10 Next ›