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Related papers: Single Spin Asymmetry in e+p^\uparrow -> e+J/\psi+…

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A recent investigation of the single spin asymmetry (SSA) in low virtuality electroproduction/photoproduction of $J/\psi$ in color evaporation model is presented. It is shown that the asymmetry is sizable and can be used as a probe for the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Asmita Mukherjee

We propose measurement of transverse single spin asymmetry (SSA) in charmonium production as a probe of gluon Sivers function. We estimate SSA in low virtuality electroproduction of $J/\psi $ using color evaporation model of charmonium…

High Energy Physics - Phenomenology · Physics 2012-10-04 Rohini M. Godbole , Anuradha Misra , Asmita Mukherjee , Vaibhav S. Rawoot

We discuss the possibility of using electroproduction of $J/\psi $ as a probe of gluon Sivers function by measuring single spin asymmetry (SSA) in experiments with transversely polarized protons and electron beams. We estimate SSA for JLab,…

High Energy Physics - Phenomenology · Physics 2015-03-19 Rohini M. Godbole , Anuradha Misra , Asmita Mukherjee , Vaibhav S. Rawoot

We extend our analysis of transverse single spin asymmetry (SSA) in electroproduction of $J/\psi$ to include the effect of the scale evolution of the transverse momentum dependent (TMD) parton distribution functions and gluon Sivers…

High Energy Physics - Phenomenology · Physics 2013-07-30 Rohini M. Godbole , Anuradha Misra , Asmita Mukherjee , Vaibhav S. Rawoot

We estimate transverse single spin asymmetry (TSSA) in electroproduction of $J/\psi$ for J-Lab and EIC energies. We present estimates of TSSAs in $J/\psi$ production within generalized parton model (GPM) using recent parametrizations of…

High Energy Physics - Phenomenology · Physics 2018-04-18 Bipin Sonawane , Anuradha Misra , Siddhesh Padval , Vaibhav Rawoot

We present estimates of Single Spin Asymmetry (SSA) in the electroproduction of $J/\psi$ taking into account the transverse momentum dependent (TMD) evolution of the gluon Sivers function and using Color Evaporation Model of charmonium…

High Energy Physics - Phenomenology · Physics 2015-06-23 Rohini M. Godbole , Abhiram Kaushik , Anuradha Misra , Vaibhav S. Rawoot

We present estimates of transverse single spin asymmetry (TSSA) in $p+p^\uparrow \rightarrow J/\psi+X$ within the colour evaporation model of charmonium production in a generalized parton model (GPM) framework, using the recently obtained…

High Energy Physics - Phenomenology · Physics 2017-12-27 Rohini M. Godbole , Abhiram Kaushik , Anuradha Misra , Vaibhav Rawoot , Bipin Sonawane

We present a recent calculation of the single spin asymmetry in inclusive photoproducton of $J/\psi$ at the future EIC, that can be used to probe the gluon Sivers function.

High Energy Physics - Phenomenology · Physics 2019-09-24 Raj Kishore , Asmita Mukherjee , Sangem Rajesh

We estimate transverse spin single spin asymmetry(TSSA) in the process $e+p^\uparrow \to J/\psi +X$ using color evaporation model of charmonium production. We take into account transverse momentum dependent(TMD) evolution of Sivers function…

High Energy Physics - Phenomenology · Physics 2015-06-17 Rohini M. Godbole , Anuradha Misra , Asmita Mukherjee , Vaibhav S. Rawoot

In this paper we propose to investigate the transverse single spin asymmetry in the inelastic $J/\Psi$ photoproduction in $p^\uparrow p$ and $p^\uparrow A$ collisions at RHIC energies. At leading order this process probes the gluon Sivers…

High Energy Physics - Phenomenology · Physics 2018-01-17 V. P. Goncalves

We calculate the transverse single-spin asymmetry (SSA) for $J/\psi$ production in proton-proton collisions, within non-relativistic QCD, employing the transverse momentum dependent, generalized parton model, which includes both spin and…

High Energy Physics - Phenomenology · Physics 2019-10-23 Umberto D'Alesio , Francesco Murgia , Cristian Pisano , Sangem Rajesh

We present estimates of Single Spin Asymmetry(SSA) in the electroproduction of J/{\psi} taking into account the transverse momentum dependent(TMD) evolution of the Sivers function. We estimate SSA for JLab, HERMES, COMPASS and eRHIC…

High Energy Physics - Phenomenology · Physics 2015-01-14 Rohini M. Godbole , Abhiram Kaushik , Anuradha Misra , Vaibhav S. Rawoot

The prediction of single spin asymmetry (SSA) in double $\rm J/\psi$ production in proton-proton collision is given out within the framework of non-relativistic QCD, using the recently obtained best fit parameters for the gluon Sivers…

High Energy Physics - Phenomenology · Physics 2019-06-13 Xuan Luo , Hao Sun , Tichouk

We present a study of transverse single-spin asymmetries (SSAs) in $p^\uparrow p\to J/\psi\,X$ and $p^\uparrow p\to D X$ within the framework of the generalized parton model (GPM), which includes both spin and transverse momentum effects,…

High Energy Physics - Phenomenology · Physics 2017-09-06 Umberto D'Alesio , Francesco Murgia , Cristian Pisano , Pieter Taels

The prediction of single-spin asymmetry in inelastic photoproduction of $J/\psi$ in $ep^\uparrow$ collision is presented. At next-to-leading order, the dominating process is photon-gluon fusion, $\gamma+g\rightarrow J/\psi+g$ for the…

High Energy Physics - Phenomenology · Physics 2018-07-11 Sangem Rajesh , Raj Kishore , Asmita Mukherjee

We estimate Sivers asymmetry in low virtuality photoproduction of $J/\psi$ using color evaporation model and taking into account $Q^2$- evolution of transverse momentum dependent PDF's and Sivers function. There is a substantial reduction…

High Energy Physics - Phenomenology · Physics 2015-06-23 Rohini M. Godbole , Abhiram Kaushik , Anuradha Misra , Vaibhav S. Rawoot

The abundant production of lepton pairs via $J/\Psi$ creation at COMPASS, $\pi ^\pm \, p^\uparrow \to J/\Psi \, X \to \ell^+ \ell^- X$, allows a measurement of the transverse Single Spin Asymmetry generated by the Sivers effect. The crucial…

High Energy Physics - Phenomenology · Physics 2016-07-04 M. Anselmino , V. Barone , M. Boglione

We carry out the first calculation for the twist-3 gluon contribution to the single transverse-spin asymmetry(SSA) in $J/\psi$ production in semi-inclusive deep inelastic scattering. Our result shows that the $J/\psi$ SSA is an ideal…

High Energy Physics - Phenomenology · Physics 2026-05-28 Longjie Chen , Hongxi Xing , Shinsuke Yoshida

We review the properties of the single spin asymmetry (SSA) in heavy quark production by linearly polarized photons and analyze the possibility to measure this SSA in the planned E160/E161 experiments at SLAC.

High Energy Physics - Phenomenology · Physics 2007-05-23 N. Ya. Ivanov

We present expected values of the Single Spin Asymmetry (SSA) in $D$-meson production in the process $p+p^\uparrow \rightarrow D^0 + X $ at RHIC energy $(\sqrt{s}=200\text{ GeV})$ using a generalized parton model approach. We use fits to…

High Energy Physics - Phenomenology · Physics 2016-12-28 Rohini M. Godbole , Abhiram Kaushik , Anuradha Misra
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