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Light vector meson photoproduction nucleus

WebThe photoproduction of quarkonium in coherent hadron-hadron (pp/pA/AA) interactions for LHC energies is an important tool to investigate the QCD dynamics at high energies. In this paper we estimate the integrated cross section and rapidity distribution for J/Ψ and Υ production using the Color Glass Condensate (CGC) formalism. We predict large rates, … WebNear-threshold Photoproduction of ϕ italic-ϕ \phi italic_ϕ Mesons from Deuterium X. Qian Duke University, Durham, North Carolina 27708 Kellogg Radiation Laboratory, California Institute of Technology, California 91125 W. Chen Duke University, Durham, North Carolina 27708 H. Gao Duke University, Durham, North Carolina 27708 K. Hicks Ohio ...

A fresh look at diffractive 𝐽/𝜓 photoproduction at HERA, with ...

WebAn analysis of light vector meson photoproduction at small Bjorken x ≤ 0.2 is done on the basis of the generalized parton distributions (GPDs). Our results on the cross section and spin density matrix elements (SDME) are in good agreement with experiments. This report is devoted to the study of the vector meson leptoproduction at Bjorken WebFeb 26, 2024 · We propose a model based on Regge theory to describe photoproduction of light vector mesons. We fit the SLAC data and make predictions for the energy and momentum transfer dependence of the spin-density matrix elements in photoproduction of , and mesons at GeV, which are soon to be measured at Jefferson Lab. Submission history boston nature center summer camp https://waatick.com

Exclusive vector meson production at an electron-ion collider

WebThe vector mesons consisting of light quarks form a nonet. In high energy physics , a vector meson is a meson with total spin 1 and odd parity (usually noted as J P = 1 − ). Vector … WebFeb 6, 2024 · For light vector meson photoproduction, because the exchange of a scalar quark-antiquark pair is not suppressed and should dominate the scalar gluon exchange, the radius we extract from ρ0 photoproduction is likely to … Webinelastic lepton-nucleus scattering at small values of the Bjorken variable x = Q2/2Mv. 1. INTRODUCTION: ... wg and ¢~ are the respective vector meson fields, my are their masses and fy their decay constants (empirically, fp ___ 5.3, f~ _ 15.2 and f¢ ~- 13.4). The current-field identity (4) is the basis of a remarkably successful ... boston naval shipyard

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Light vector meson photoproduction nucleus

Phys. Rev. D 105, 035036 (2024) - Probing invisible vector meson …

WebAbstract.We study coherent and incoherent φ-meson photoproduction from nuclei. The available data are analyzed in terms of single- and coupled-channel photoproduction. It is found that the data on coherent photoproduction can be well reproduced within a single-channel optical model and show only little room for ω-φ mixing. These data indicate a … WebDec 1, 2011 · @article{osti_1041548, title = {Light Vector Meson Photoproduction off of H at Jefferson Lab and rho-omega Interference in the Leptonic Decay Channel}, author = {Djalali, Chaden}, abstractNote = {Recent studies of light vector meson production in heavy nuclear targets has generated interest in {rho}-{omega} interference in the leptonic e{sup +}e{sup …

Light vector meson photoproduction nucleus

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WebThe analysis of light vector meson production by a high-energy electron or photon beam in a particle accelerator provides insight into the composition of the proton, further expanding the fundamental un-derstanding of physics. The electro-production of light vector mesons o of protons happens when a high WebFeb 28, 2024 · The most studied production mechanism is dark Bremsstrahlung through a vector mediator. In this work, we explore a complementary source of missing energy-momentum signals: Bremsstrahlung photons can convert to hard vector mesons in exclusive photoproduction processes, which then decay to dark matter or other invisible …

WebJan 1, 2008 · The light vector mesons (ρ,ω, and ϕ) were produced in deuterium, carbon, titanium, and iron targets in a search for possible in-medium modifications to the … WebCoherent J/y photoproduction in ultra-peripheral Pb-Pb collisions at √sNN= 2.76 TeV. Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning. Udgivet. 1958 downloads. Light vector meson production in pp collisions at sqrt(s) = 7 TeV. Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt.

WebThe analysis of light vector meson production by a high-energy electron or photon beam in a particle accelerator provides insight into the composition of the proton, further expanding … WebJul 1, 2008 · The light vector mesons ($\rho$, $\omega$, and $\phi$) were produced in deuterium, carbon, titanium, and iron targets in a search for possible in-medium …

WebSep 23, 2008 · This article reviews the current status of experimental results obtained in the measurement of light vector mesons produced in proton-proton and heavy ion collisions …

WebFeb 5, 2015 · Light vector meson photoproduction in hadron-hadron and nucleus-nucleus collisions at energies available at the CERN Large Hadron Collider G. Sampaio dos Santos … boston nature center preschoolWebJan 10, 2016 · Coherent photoproduction of light vector mesons on nuclear targets at low and intermediate energies has been considered as theoretically well understood within the framework of the VMD model and the Glauber theory of multiple scattering [11]taking into account the finite coherence length (for brevity, we refer to the resulting approach as VMD … hawkman: the archives - volume oneWebJul 10, 2000 · We consider two coupled problems. We study the dependence on the photon virtuality Q2 for the semihard quasi-elastic photoproduction of neutral vector mesons on … boston naval shipyard navy exposure riskWebJul 15, 2014 · Among many exciting directions of UPC studies, coherent and incoherent photoproduction of light vector mesons on nuclei allow one to investigate soft meson … boston navy yard hotelWebINIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. hawkman strength levelWebJan 10, 2016 · Coherent photoproduction of light vector mesons on nuclear targets at low and intermediate energies has been considered as theoretically well understood within … boston navy yard apartmentsWebPhotoproduction is expected to be particularly effective in producing and identifying these states. At the same time these data will be used to study the spectrum of conventional … hawkman strength