Erratum: Propagation of charm quarks in equilibrating quark-gluon plasma [Phys. Rev. C 57, 889 (1998)]

Mustafa, Munshi G.; Pal, Dipali; Srivastava, D. K.

doi:10.1103/physrevc.57.3499

Cited by 75 publications

(128 citation statements)

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“…There are two contributions to the energy loss of a parton in the QGP: one is caused by elastic collisions among the partons in the QGP and the other by radiation of the decelerated color charge, i.e., bremsstrahlung of gluons. The energy loss rates due to collisional scatterings among partons were estimated extensively [11][12][13][14][15][16][17][18] in the literature. Using the hard-thermal-loop (HTL) resummed perturbative QCD at finite temperature [19], the collisional energy loss of a heavy quark could be derived in a systematic way [20][21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

“…Using the hard-thermal-loop (HTL) resummed perturbative QCD at finite temperature [19], the collisional energy loss of a heavy quark could be derived in a systematic way [20][21][22][23][24]. It was also shown [12,17,18,24] that the drag force can be related to the elastic scatterings among partons in a formulation based on the Fokker-Planck equation, which is equivalent to the treatment of HTL approximations [21]. From these results, an estimate for the collisional energy loss of energetic gluons and light quarks also could be derived [25], which was rederived later using the Leontovich relation [26,27].…”

Section: Introductionmentioning

confidence: 99%

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Energy loss of charm quarks in the quark-gluon plasma: Collisional vs radiative losses

Mustafa

2005

Phys. Rev. C

202

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In considering the collisional energy loss rates of heavy quarks from hard light parton interactions, we computed the total energy loss of a charm quark for a static medium. For the energy range E ∼ 5-10 GeV of charm quark, it proved to be almost the same order as that of radiative ones estimated to a first-order opacity expansion. The collisional energy loss becomes much more important for lower energy charm quarks, and this feature could be very interesting for the phenomenology of hadrons spectra. Using such collisional energy loss rates, we estimate the momentum loss distribution employing a Fokker-Planck equation and the total energy loss of a charm quark for an expanding quark-gluon plasma under conditions resembling the energies presently available at the BNL Relativistic Heavy Ion Collider. The fractional collisional energy loss is found to be suppressed by a factor of 5 as compared to the static case and does not depend linearly on the system size. We also investigate the heavy to light hadrons D/π ratio at moderately large (5-10 GeV/c) transverse momenta and comment on its enhancement.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Energy loss of charm quarks in the quark-gluon plasma: Collisional vs radiative losses

Mustafa

2005

Phys. Rev. C

202

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“…[87] for a review and references therein). During their propagation through the QGP, the HQs dissipate energy predominantly by two processes [88,89]: (i) collisional, e.g. gQ → gQ, qQ → qQ and qQ →qQ, and (ii) radiative processes, i.e., Q+q → Q+q +g and Q+g → Q+g +g.…”

Section: Single Electron From the Heavy Flavoured Meson (Hfm) Decaymentioning

confidence: 99%

Electromagnetic probes of strongly interacting matter

Alam

2015

Pramana - J Phys

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The nuclear matter under extreme conditions of temperatures (T ) and baryonic densities (n B ) undergoes a phase transition to quark gluon plasma (QGP). It is expected that such extreme conditions can be achieved by colliding nuclei at ultrarelativistic energies. In the present review, the suitability of photons and dileptons as diagnostic tools of QGP has been discussed. The photon and dilepton spectra originating from heavy-ion collisions at LHC energies have been explicitly displayed in this article. Results from SPS and RHIC have been discussed adequately with appropriate references. The role of single electron spectra originating from the decays of heavy flavoured mesons on QGP detection has also been discussed briefly.

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“…Their large mass allows them to be treated as Brownian particles validating a Fokker-Planck description for the study of transport properties using heavy quarks as probes. This formalism has been implemented in many analyses [5,7,6,8] and the drag and diffusion coefficients were evaluated.…”

Section: Introductionmentioning

confidence: 99%

Effect of in-medium spectral density of D and mesons on the dissociation in hadronic matter

2013

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The one-loop self-energy of the D and D * mesons in a hot hadronic medium is evaluated using the real time formalism of thermal field theory. The interaction of the heavy open-charm mesons with the thermalized constituents (π, K, η) of the hadronic matter is treated in the covariant formalism of heavy meson chiral perturbation theory. The imaginary parts are extracted from the discontinuities of the self-energy function across the unitary and the Landau cuts. The nonzero contribution from the latter to the spectral density of D and D * mesons opens a number of subthreshold decay channels of the J/ψ leading to a significant increase in the dissociation width in hadronic matter.

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Erratum: Propagation of charm quarks in equilibrating quark-gluon plasma [Phys. Rev. C 57, 889 (1998)]

Cited by 75 publications

References 0 publications

Energy loss of charm quarks in the quark-gluon plasma: Collisional vs radiative losses

Energy loss of charm quarks in the quark-gluon plasma: Collisional vs radiative losses

Electromagnetic probes of strongly interacting matter

Effect of in-medium spectral density of D and mesons on the dissociation in hadronic matter

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