ALICE status and highlights

Schukraft, J.

doi:10.22323/1.120.0559

Cited by 4 publications

(4 citation statements)

References 6 publications

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“…1 right. Perturbative QCD calculations agree well with preliminary data such as high-p T hadrons, jets, and heavy-flavours measured by ATLAS [11], CMS [10], ALICE [12] and LHCb [13]. Next in importance in terms of cross sections are the electroweak processes: the first W and Z bosons (highest-mass dimuon peak in Fig.…”

Section: Preface: Rediscovering the Standard Model (Sm)supporting

confidence: 81%

Physics at the LHC: a short overview

d’Enterria

2011

J. Phys.: Conf. Ser.

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The CERN Large Hadron Collider (LHC) started operation a few months ago. The machine will deliver proton-proton and nucleus-nucleus collisions at energies as high as √ s = 14 TeV and luminosities up to L ∼ 10 34 cm −2 s −1 , never reached before. The main open scientific questions that the seven LHC experiments -ATLAS, CMS, ALICE, LHCb, TOTEM, LHCf and MOEDAL -aim to solve in the coming years are succinctly reviewed.

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Section: Preface: Rediscovering the Standard Model (Sm)supporting

confidence: 81%

Physics at the LHC: a short overview

d’Enterria

2011

J. Phys.: Conf. Ser.

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“…As of this time, the Large Hadron Collider (LHC) has completed three successful runs with heavy-ions. There is now a wealth of data on the modification of hard jets from the Relativistic Heavy-Ion Collider (RHIC) [1,2] and the LHC [3][4][5]. With the similarity between the various soft observables between RHIC and LHC the study of jets has moved to the forefront of heavy-ion programs at both these colliders.…”

Section: Introductionmentioning

confidence: 99%

Calculating the jet quenching parameterq̂in lattice gauge theory

Majumder

2013

Phys. Rev. C

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We present a framework where first principles calculations of jet modification may be carried out in a non-perturbative thermal environment. As an example of this approach, we compute the leading order contribution to the transverse momentum broadening of a high energy (near on-shell) quark in a thermal medium. This involves a factorization of a non-perturbative operator product from the perturbative process of scattering of the quark. An operator product expansion of the nonperturbative operator product is carried out and related via dispersion relations to the expectation of local operators. These local operators are then evaluated in quenched SU (2) lattice gauge theory.

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“…Data taking with proton beams was focused during most of 2010 on collecting a large sample (>10 9 ) of average (so-called 'minimum bias') collisions and measuring their global event properties, which are needed for comparison with the heavy-ion data [11]. Both the average number of charged particles (dN ch /dh) as well as their multiplicity distributions in different acceptance windows were measured at 0.9, 2.36 and 7 TeV for inelastic and non-single diffractive collisions [9,12,13].…”

Section: Results With Proton-proton Collisionsmentioning

confidence: 99%

Heavy-ion physics with the ALICE experiment at the CERN Large Hadron Collider

Schukraft

2012

Phil. Trans. R. Soc. A.

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After close to 20 years of preparation, the dedicated heavy-ion experiment A Large Ion Collider Experiment (ALICE) took first data at the CERN Large Hadron Collider (LHC) accelerator with proton collisions at the end of 2009 and with lead nuclei at the end of 2010. After a short introduction into the physics of ultra-relativistic heavyion collisions, this article recalls the main design choices made for the detector and summarizes the initial operation and performance of ALICE. Physics results from this first year of operation concentrate on characterizing the global properties of typical, average collisions, both in proton-proton (pp) and nucleus-nucleus reactions, in the new energy regime of the LHC. The pp results differ, to a varying degree, from most quantum chromodynamics-inspired phenomenological models and provide the input needed to fine tune their parameters. First results from Pb-Pb are broadly consistent with expectations based on lower energy data, indicating that high-density matter created at the LHC, while much hotter and larger, still behaves like a very strongly interacting, almost perfect liquid.

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ALICE status and highlights

Cited by 4 publications

References 6 publications

Physics at the LHC: a short overview

Physics at the LHC: a short overview

Calculating the jet quenching parameterq̂in lattice gauge theory

Heavy-ion physics with the ALICE experiment at the CERN Large Hadron Collider

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