[PDF] Top 20 b-quark and quarkonium production and polarisation
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b-quark and quarkonium production and polarisation
... verse momentum [37]. In particular, it was found that spin alignment for Υ (1S ) is not strong, if present at all. There are possible hints of a slightly increasing transverse po- larisation when moving from Υ (1S ) to Υ ... See full document
5
Quarkonium production in heavy-ion collisions
... charmonium production is especially promising at the LHC, where the high-energy density of the medium and the large number of cc pairs produced in central Pb-Pb collisions should help to disentangle suppression ... See full document
8
Intrinsic top quark properties: mass, charge and polarisation measured with the ATLAS detector at the LHC
... top quark charge is predicted to be 2e/3 in the Standard Model, but some exotic models [13] predict a dif- ferent value, ...top quark in the SM is predicted to produce a charged lepton and a leptonic ... See full document
5
Onia and onia–like states at LHCb
... heavy quarkonium production is still not completely understood ...J/ production at high transverse ...and polarisation (see [9] and references ...from b-hadron ...heavy ... See full document
5
Production of quarkonium pairs in high-energy proton-proton collisions
... We can read off some salient features of DPS from Eq. 1: firstly, while the products of any single hard process in the collinear parton model tend to have transverse momentum that adds close to zero, mesons a, b ... See full document
6
ALICE results on heavy-flavour and quarkonium production at the LHC
... Heavy-ion collisions at ultra-relativistic energies are aimed at studying nuclear matter under extreme conditions of temperature and energy density, where calculations of Quantum Chromodynamics (QCD) on the lattice ... See full document
5
Challenges in Heavy Flavor and Quarkonium Production in p + p Collisions at the LHC
... and quarkonium production is treated on an equal ...the quarkonium production cross section is some fraction of all QQ pairs below the HH threshold where H is the lowest mass heavy-flavor ... See full document
12
Overview of quarkonium production in heavy-ion collisions at LHC
... the quarkonium production in asymmetric pPb collisions became available at ...The quarkonium data in pPb are useful to recognize and quantify the initial-state e ff ects, such as nu- clear modification ... See full document
6
Probing the W tb vertex structure in t channel single top quark production and decay in pp collisions at s=8 TeV with the ATLAS detector
... The measurements reported in this article use 20.2 fb −1 of data collected at a centre- of-mass energy of 8 TeV with the ATLAS detector at the LHC. Stringent selection require- ments are applied in order to separate ... See full document
50
A Review of Recent Results on Quarkonium Production at LHCb
... from b-hadron decays (abbreviated as “from b” in the following) is also measured in the same fiducial .../ψ production at √ s = 7 TeV and 2 ...) production at √ s = 7 ... See full document
11
Quarkonium Production at LHCb
... Heavy quarkonium states are particularly interesting sys- tems to test our understanding of strong interactions, both at perturbative and non-perturbative level, and are there- fore the subject of intense ... See full document
6
Quarkonium and heavy flavour meson production at 13 TeV at ATLAS
... Abstract. First results of the ATLAS experiment at LHC on quarkonium and heavy flavour meson production in proton-proton collisions at 13 TeV are presented. A brief summary of the results obtained at 7-8 TeV ... See full document
6
Quarkonium photoproduction in pp and AA collisions at the LHC
... tant feature of these processes at the high energy regime is the possibility to investigate the Pomeron exchange. For this energy domain hadrons and photons can be considered as color dipoles in the mixed light cone ... See full document
6
Quarkonium production in pp, p-Pb and Pb-Pb collisions with ALICE at LHC
... heavy quark pairs, are produced in high-energy collisions and serve as important observables to study Quantum Chromodynamics (QCD) at extreme ...called Quark-Gluon Plasma (QGP) [1, ...thermalization. ... See full document
6
Heavy Flavour and Quarkonium Production at the LHC
... and Υ cross sections and polarizations, as well as the first prompt X(3872) di ff erential cross section. Results in the heavy flavour sector include an updated b b ¯ cross section measurement differential ... See full document
6
Quarkonium production in pp collisions with the CMS detector
... Cross section measurements at LHC are dominated by color octet production. In the hadron forma- tion the Q Q ¯ bound states seem to be preferably formed by two heavy-quarks of di ff erent colors and smaller ... See full document
6
J/ψ production at central rapidity in p–Pb collisions at √sNN = 5.02 TeV with ALICE
... J/ψ production and is crucial for improving our understanding of Pb–Pb collision ...inclusive b-quark production, and its study in p–Pb systems allows the evaluation of CNM e ff ects on beauty ... See full document
5
Top Physics at CMS/LHC
... one of which is identified as originating from the hadronization of a bottom quark. The measurement is based on the reconstructed four-momenta of the t and ¯t quarks in each event. The observed distribu- tions are ... See full document
10
Highlights from PHENIX at RHIC
... muon arms, where each arm is composed of approximately one-meter thick hadron absorber, a muon tracker with three stations (MuTr) and a muon identifier (MuID). A MuTr+MuID identified J/ψ can have one or both muons in the ... See full document
6
Progress Towards finding Quark Masses and the QCD scale Lambda from the Lattice
... AWI quark mass definition has been used by the CP-PACS and JLQCD Collaborations to study the quark masses in clover QCD, both for two-flavour [9] and (2+1) flavour simulations ...s quark mass from ... See full document
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