Light vector meson photoproduction nucleus

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August undefined, 2024

WebFeb 6, 2024 · In this work, under the definition of the vector meson dominant model, the trace anomaly contribution of the proton is extracted from the experimental data of light vector mesons $$\rho $$ , $$\omega $$ and $$\phi $$ photoproduction at the near-threshold, which are ( $$0.53\pm 0.15$$ ) $$\%$$ , ( $$1.47\pm 0.48$$ ) $$\%$$ and ( … WebINIS 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.

Vector meson - Wikipedia

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 25, 2024 · We calculate the hard photoproduction of light vector meson from the fragmentation of photon in Pb–Pb col-lisions. Usingthe … cohen\u0027s version of hallelujah

(PDF) Complete photo-production experiments - Academia.edu

WebJan 11, 2024 · Coherent exclusive vector meson electroproduction is a key physics channel at an electron-ion collider. It probes the gluon structure of nuclei over a wide range of Q2, and can be used to measure nuclear shadowing and to search for gluon saturation and/or the colored glass condensate. 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 WebJan 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 … cohen\u0027s seven theses summary

Exclusive vector meson production at an electron-ion collider

First extraction of the proton mass radius and scattering length

WebJan 10, 2016 · Coherent photoproduction of light vector mesons on nuclear targets at low and intermediate energies has been considered as theoretically well understood within … 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 … dr katherine compartiWebinelastic 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 ... dr katherine cooper alder hey

"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 … " - Light vector meson photoproduction nucleus

Light vector meson photoproduction nucleus

Exploration of trace anomaly contribution to proton mass based on light …

WebApr 17, 2004 · Abstract.We calculate the nuclear cross section for vector meson exclusive photoproduction within the QCD color dipole picture and in the Regge approach. For the … WebSep 5, 2012 · Cross sections of coherent light vector meson photoproduction in ultraperipheral proton-proton and proton-nucleus interactions on the Large Hadron …

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WebEnter the email address you signed up with and we'll email you a reset link. WebJul 15, 2014 · [1407.4148] Light vector meson photoproduction in hadron-hadron and nucleus-nucleus collisions at the energies available at the CERN Large Hadron Collider > …

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. Webproduction reactions, where the meson is produced on one ‘participant’ nucleon, while the rest of the nucleus acts as ‘spectator’. This simple picture is mostly used for light nuclei, …

WebJul 25, 2024 · Photoproduction of Light Vector Meson in Relativistic Heavy Ion Collisions * YUGong-Ming(余功明),LIYun-De(李云德)** DepartmentofPhysics,YunnanUniversity,Kunming650091 (Received21August2013) We calculate the hard photoproduction of light vector meson from the fragmentation of … 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 …

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 …

WebJul 10, 2024 · Vector meson photoproduction Nuclear shadowing Xenon target 1. Introduction Collisions of ultrarelativistic ions at large impact parameters – the so-called … cohen\\u0027s w chi squareWebDec 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 … cohen\u0027s retreat photosWebNear-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 ... dr katherine clifton st louisWebAn 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 dr katherine cornforthWebFeb 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 cohen\u0027s riverhead nyWebJul 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 … cohen\u0027s retreat savannah ga menuWebFeb 13, 2024 · DOE PAGES ® Journal Article: Accessing transverse nucleon and gluon distributions in heavy nuclei using coherent vector meson photoproduction at high energies in ion ultraperipheral collisions Title: Accessing transverse nucleon and gluon distributions in heavy nuclei using coherent vector meson photoproduction at high energies in ion ... cohen\u0027s w chi square