中文
相关论文

相关论文: Exclusive $\Upsilon$ photoproduction in hadronic c…

200 篇论文

The exclusive photoproduction of upsilon states $\Upsilon(1S)$ and its radially excited states $\Upsilon(2S,3S)$ is investigated in the context of ultra-peripheral collisions at the LHC energies. Predictions are presented for their…

高能物理 - 唯象学 · 物理学 2016-11-23 M. B. Gay Ducati , F. Kopp , M. V. T. Machado , S. Martins

In this work we investigate the coherent photoproduction of psi(1S), psi(2S) and Upsilon (1S) states in the proton-nucleus collisions in the LHC energies. Predictions for the rapidity distributions are presented using the color dipole…

高能物理 - 唯象学 · 物理学 2014-06-19 G. Sampaio dos Santos , M. V. T. Machado

We investigate the theoretical uncertainty on the predictions for the photoproduction of J/psi and Upsilon states in the proton-nucleus and nucleus-nucleus collisions at the LHC within the color dipole formalism. Predictions for the…

高能物理 - 唯象学 · 物理学 2015-09-30 G. Sampaio dos Santos , M. V. T. Machado

In this letter we update our predictions for exclusive $J/\Psi$ and $\Upsilon$ photoproduction in proton-proton and nucleus - nucleus collisions at the Run 2 LHC energies obtained with the color dipole formalism and considering the impact…

高能物理 - 唯象学 · 物理学 2017-03-22 V. P. Goncalves , B. D. Moreira , F. S. Navarra

An analysis of prompt photon production in high energy nuclear collisions at the LHC energy regime is performed within the parton saturation picture taking into account the updated phenomenological color dipole models. The results are…

高能物理 - 唯象学 · 物理学 2020-12-14 G. Sampaio dos Santos , G. Gil da Silveira , M. V. T. Machado

In this work we study the diffractive photoproduction of $J/\Psi$ in proton-proton, proton - nucleus and nucleus - nucleus collisions at LHC energies using the color dipole formalism and different models for the forward dipole - target…

高能物理 - 唯象学 · 物理学 2014-07-18 V. P. Goncalves , B. D. Moreira , F. S. Navarra

We investigate the theoretical uncertainty on the predictions for the photoproduction of $\rho$ and $J/\Psi$ states in nucleus-nucleus collisions at Run 2 LHC energies using the Color Dipole formalism. The results for rapidity distributions…

高能物理 - 唯象学 · 物理学 2018-06-13 V. P. Goncalves , M. V. T. Machado , B. D. Moreira , F. S. Navarra , G. Sampaio dos Santos

Collisions with Oxygen ions at the LHC opens the possibility of investigating the description of the QCD dynamics in an unexplored regime, complementary to those performed in $pp$, $pPb$ and $PbPb$ collisions. In this paper we estimate the…

高能物理 - 唯象学 · 物理学 2023-06-07 Victor P. Goncalves , Bruno D. Moreira , Luana Santana

In this paper we present a comprehensive analysis of exclusive vector meson photoproduction in $pp$, $pPb$ and $PbPb$ collisions at Run 2 LHC energies using the Color Dipole formalism. The rapidity distributions and total cross sections for…

高能物理 - 唯象学 · 物理学 2017-12-06 V. P. Goncalves , M. V. T. Machado , B. D. Moreira , F. S. Navarra , G. Sampaio dos Santos

The exclusive $\Upsilon$ photoproduction in ultraperipheral proton-nucleus and nucleus-nucleus collisions at LHC energies is being investigated using pQCD framework which constrain the gluon distribution in the proton and nuclei at low $x$.…

高能物理 - 唯象学 · 物理学 2017-11-17 Dipanwita Dutta , Ruchi Chudasama

In this work we analyse the theoretical uncertainties on the predictions for the photoproduction of light vector mesons in coherent pp, pA and AA collisions at the LHC energies using the color dipole approach. In particular, we present our…

高能物理 - 唯象学 · 物理学 2015-03-05 G. Sampaio dos Santos , M. V. T. Machado

We investigate the photoproduction of $\rho$ mesons in ultraperipheral heavy ion collisions at RHIC and LHC energies in the dipole approach and within two phenomenological models based on the the Color Glass Condensate (CGC) formalism. We…

高能物理 - 唯象学 · 物理学 2009-11-10 V. P. Goncalves , M. V. T. Machado

The cross section for exclusive $\Upsilon$ ultraperipheral photoproduction at present and future colliders is determined using the low $x$ gluon PDF extracted from an analysis of exclusive $J/\psi$ measurements performed at HERA and the…

高能物理 - 唯象学 · 物理学 2022-02-23 Chris A. Flett , Stephen P. Jones , Alan D. Martin , Misha G. Ryskin , Thomas Teubner

Results of exclusive photoproduction of Upsilon states in Ultraperipheral collisions (UPC) of protons and ions with the CMS experiment are presented, which provides a clean probe of the gluon distribution at small values of parton…

高能物理 - 实验 · 物理学 2019-08-14 Ruchi Chudasama , Dipanwita Dutta

A study on the prompt photon production within the QCD color dipole picture with emphasis in $pp$ and $pA$ collisions at the LHC energy regimes is performed. We present predictions for the differential cross section as a function of photon…

高能物理 - 唯象学 · 物理学 2020-09-29 G. Sampaio dos Santos , G. Gil da Silveira , M. V. T. Machado

We study photon-induced coherent production of Upsilon in ultraperipheral heavy ion collisions at LHC and demonstrate that the counting rates will be sufficient to measure nuclear shadowing of generalized gluon distributions. This will…

高能物理 - 唯象学 · 物理学 2014-11-17 L. Frankfurt , V. Guzey , M. Strikman , M. Zhalov

The exclusive photoproduction of lepton pairs on nucleon and nucleus target is investigated within the high energy color dipole approach, where the main physical quantity is the dipole-target elastic scattering amplitude that captures the…

高能物理 - 唯象学 · 物理学 2008-11-17 M. V. T. Machado

Photoproduction of vector mesons are computed in dipole model in proton-proton ultraperipheral collisions(UPCs) at the CERN Large Hadron Collider (LHC). The dipole model framework is employed in the calculations of vector mesons production…

高能物理 - 唯象学 · 物理学 2018-05-30 Ya-Ping Xie , Xurong Chen

In this work we investigate the exclusive photoproduction of J/psi and the radially excited psi(2S) state off nucleon in proton-proton collisions. The theoretical framework considered in the analysis is the light-cone dipole formalism and…

高能物理 - 唯象学 · 物理学 2014-06-19 M. B. Gay Ducati , M. T. Griep , M. V. T. Machado

In this work we estimate the heavy quark production in proton-proton and proton-nucleus collisions at LHC energies using the color dipole formalism and the solution of the running coupling Balitsky-Kovchegov equation. Nuclear effects are…

高能物理 - 唯象学 · 物理学 2015-05-30 E. R. Cazaroto , V. P. Goncalves , F. S. Navarra
‹ 上一页 1 2 3 10 下一页 ›