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Related papers: Dilepton Measurements at STAR

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We present a selection of recent heavy flavor results from the STAR experiment. Measurements of $D^0$ and $D^*$ meson production in $\sqrt{s}$=200 and 500 GeV p+p, as well as in $\sqrt{s_{NN}}$=200 GeV d+Au, Au+Au and 193 \GeV U+U…

Nuclear Experiment · Physics 2016-06-02 Robert Vertesi

A search for resonances in the dielectron and dimuon mass spectra from 250 GeV to 6 TeV is presented. The data were recorded during Run 2 of the LHC by the ATLAS experiment using proton-proton ($pp$) collisions with a center-of-mass energy…

High Energy Physics - Experiment · Physics 2019-06-20 Aaron White

We propose a large-area, cost-effective Muon Telescope Detector (MTD) for the Solenoidal Tracker at RHIC (STAR) at mid-rapidity and for the next generation of detectors at a possible electron-ion collider. We utilize Multi-gap Resistive…

We present a unified description of the vector meson and dilepton production in elementary and in heavy ion reactions. The production of vector mesons ($\rho,\omega$) is described via the excitation of nuclear resonances ($R$). The…

Nuclear Theory · Physics 2016-09-08 K. Shekhter , C. Fuchs , Amand Faessler , M. Krivoruchenko , B. Martemyanov

Jets are produced from hard scatterings in the early stages of heavy-ion collisions, therefore they can be exploited as probes for medium tomography. Such high-$p_T$ partons are expected to suffer energy loss in the hot and dense nuclear…

Nuclear Experiment · Physics 2019-08-13 Elena Bruna

Dileptons provide direct observables of the electromagnetic current-current correlator in the hot and/or dense medium formed in heavy-ion collisions. In this article an overview is given about the status of the theoretical understanding of…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. van Hees

The recent results on di-electron production in $p+p$ and Au+Au collisions at $\sqrt{s_{_{NN}}} = 200$ GeV are presented. The cocktail simulations of di-electrons from light and heavy flavor hadron decays are reported and compared with…

Nuclear Experiment · Physics 2019-08-21 Lijuan Ruan

In this paper, recent STAR heavy flavor measurements in proton-proton and heavy-ion collisions are highlighted. We report studies of open charm mesons, reconstructed directly from hadronic decay products, and studies of electrons from…

Nuclear Experiment · Physics 2019-08-13 Barbara Trzeciak

Measurements of the top--antitop quark pair production charge asymmetry in the dilepton channel, characterized by two high-${p}_{\rm{T}}$ leptons (electrons or muons), are presented using data corresponding to an integrated luminosity of…

High Energy Physics - Experiment · Physics 2016-10-20 ATLAS Collaboration

Muon Telescope Detector (MTD) is a newly installed detector in the STAR experiment. It provides an excellent opportunity to study heavy quarkonium physics using the dimuon channel in heavy ion collisions. In this paper, we report the muon…

Instrumentation and Detectors · Physics 2016-08-01 T. C. Huang , R. Ma , B. Huang , X. Huang , L. Ruan , T. Todoroki , Z. Xu , C. Yang , S. Yang , Q. Yang , Y. Yang , W. Zha

Aspects of the dilepton spectrum in heavy-ion collisions are discussed, with special emphasis on using lattice computations to guide the phenomenology of finite temperature hadronic matter. The background rates for continuum dileptons…

High Energy Physics - Phenomenology · Physics 2010-11-01 Sourendu Gupta

This article presents a search for high mass e e or mu mu resonances in pp collisions at sqrt{s} = 7 TeV at the LHC. The data were recorded by the ATLAS experiment during 2010 and correspond to a total integrated luminosity of ~40/pb. No…

High Energy Physics - Experiment · Physics 2012-08-27 The ATLAS Collaboration

We investigate the significance of thermal dilepton radiation in the intermediate-mass region in heavy-ion reactions at CERN-SpS energies. Within a thermal fireball model for the space-time evolution, the radiation from hot matter is found…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Rapp , E. Shuryak

A search is conducted for new resonant and non-resonant high-mass phenomena in dielectron and dimuon final states. The search uses 36.1 fb$^{-1}$ of proton-proton collision data, collected at $\sqrt{s}$ = 13 TeV by the ATLAS experiment at…

High Energy Physics - Experiment · Physics 2017-11-16 ATLAS Collaboration

The significance of thermal dilepton radiation at intermediate invariant masses (1GeV<M<3GeV) in ultrarelativistic heavy-ion collisions is investigated. At CERN-SpS energies, a consistent explanation of the excess observed by NA50 can be…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ralf Rapp

Dilepton and photon production in heavy-ion collisions at SPS energies are studied in the relativistic transport model that incorporates self-consistently the change of hadron masses in dense matter. It is found that the dilepton spectra in…

Nuclear Theory · Physics 2009-10-30 G. Q. Li , G. E. Brown , C. M. Ko

We present the measurement of the $\phi$(1020)$\rightarrow e^{+}e^{-}$ transverse momentum spectrum and yield for $0.3 < p_{T} < 2.5$ GeV at mid-rapidity ($|y| < 1$) from the STAR experiment in Au+Au collisions at $\sqrt{s_{_{NN}}} = 200$…

Nuclear Experiment · Physics 2019-08-13 Masayuki Wada

Relativistic heavy-ion collisions produce a hot and dense thermalized medium, that is expected to emit thermal radiation in form of dileptons. These dileptons are not affected by the strong force and are therefore a clean probe for the…

High Energy Physics - Phenomenology · Physics 2013-06-03 Thomas Lang , Hendrik van Hees , Jan Steinheimer , Marcus Bleicher

Heavy quarks are produced early in the relativistic heavy ion collisions, and provide an excellent probe into the hot and dense nuclear matter created at RHIC. In these proceedings, we will discuss recent STAR measurements of heavy flavor…

Nuclear Experiment · Physics 2015-06-03 Gang Wang

Measurements of the top--antitop quark pair production charge asymmetry in the dilepton channel, characterized by two high-${p}_{\rm{T}}$ leptons (electrons or muons), are presented using data corresponding to an integrated luminosity of…

High Energy Physics - Experiment · Physics 2017-01-06 Roger Naranjo