Angular dependence of the radiative gluon spectrum and the energy loss of hard jets in QCD media

Baier, Rudolf; Dokshitzer, YL; Mueller, A. H.; Schiff, D.

doi:10.1103/physrevc.60.064902

Cited by 86 publications

(82 citation statements)

References 16 publications

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“…The non-abelian radiative energy loss in a medium is expected to be observable as "jet quenching". The observable consequences in nuclear collisions should be seen as a suppression of the high p ⊥ tails of single hadron distributions [1,2] and a broadening of the jet cone [3].…”

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confidence: 99%

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Non-Abelian Energy Loss at Finite Opacity

2000

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A systematic expansion in opacity, L/λ, is used to clarify the non-linear behavior of induced gluon radiation in quark-gluon plasmas. The inclusive differential gluon distribution is calculated up to second order in opacity and compared to the zeroth order (factorization) limit. The opacity expansion makes it possible to take finite kinematic constraints into account that suppress jet quenching in nuclear collisions below RHIC ( √ s = 200 AGeV) energies.

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confidence: 99%

“…[5] by taking into account virtual corrections to calculate inclusive rates and provides an complementary analytic approach to clarify nonlinear jet quenching effects predicted in Refs. [3,6,7]. The inclusive xdN/dxdk 2 ⊥ , dI/dx, and ∆E, was studied as a function of nuclear thickness for jet energies in the SPS, RHIC and LHC range.…”

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confidence: 99%

Non-Abelian Energy Loss at Finite Opacity

2000

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“…In present model [18,19], the expanding fireball is modulated by in medio collisions [20][21][22] and radiation [23,24]. Also, shadowing effects [25] are accounted for in the model.…”

Section: Methodsmentioning

confidence: 99%

Investigation of particle coherence in Pb+Pb collisions at LHC

Johansson¹

2016

EPJ Web Conf.

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Abstract. The observed particle distributions in Pb+Pb collisions at LHC are investigated. Monte Carlo simulations of the azimuthal anisotropy i.e. flow, and transverse momentum spectra provide insights in e.g. hadron genesis and in medio scattering. Simulations are made using the HYDJET++ model, which is based on parameterization of soft processes and generation of hard physics. The second and third event planes are implemented at this stage, thus generating the second and third order flows which are believed to provide the main part of the observed azimuthal distribution. Here, the ellipticity driven elliptic, and fluctuation driven triangular flow are used as differentiated observables. The elliptic and triangular flow are simulated in agreement with experimental data for pT < 3.5 GeV and centralities 0 − 50%. In connection to the simulation of azimuthal anisotropy, the particle transverse momentum spectra are simulated with accuracy, which provides a high degree of reproduction of geometric features. In extension to these simulations, the dependences on fragmentation processes are investigated through the second and third order flows, which are displaying sensitivity to particle coherence. In the simulations, particle coherence is thus seen to manifest itself through the azimuthal anisotropy.

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“…In the last equation E and m p are energy and mass of the parton, α s is the QCD running coupling constant, and C = 4/9, 1, 9/4 for qq, gq and gg interaction, respectively. Then, the energy spectrum of coherent medium-induced gluon radiation and the corresponding dominant part of radiative energy loss of massless parton in the framework of BDMS formalism [16,17] become…”

Section: Hydrodynamics With Jets (Hydjet++)mentioning

confidence: 99%

Hydro and Jets in Relativistic Heavy-Ion Collisions

et al. 2016

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Abstract. We apply HYDJET++ model, which contains the treatment of both soft and hard processes, to study the heavy-ion collisions at LHC energies. The interplay of parametrised hydrodynamics and jets describes many features of the development of particle anisotropic flow including the break-up of mass hierarchy of elliptic and triangular flow, the falloff of the flow at certain transverse momentum and violation of the number-ofconstituent-quark (NCQ) scaling at LHC energies compared to the lower ones. Other signals, such as long-range dihadron correlations (ridge) and event-by-event (EbyE) fluctuations of the flow are also discussed. Model calculations demonstrate a good agreement with the available experimental data.

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Angular dependence of the radiative gluon spectrum and the energy loss of hard jets in QCD media

Cited by 86 publications

References 16 publications

Non-Abelian Energy Loss at Finite Opacity

Non-Abelian Energy Loss at Finite Opacity

Investigation of particle coherence in Pb+Pb collisions at LHC

Hydro and Jets in Relativistic Heavy-Ion Collisions

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