616 citations · 2.3k across the 30 of their papers we have counts for
30 papers
On the polarization of the non-prompt contribution to inclusive J/ production in pp collisions
Pietro Faccioli, Carlos Lourenço
Of the J/ mesons (inclusively) produced in pp collisions, a big fraction results from B decays, increasing with transverse momentum and exceeding 50\% for GeV.…
Nuclear dependence of light neutral meson production in p-A collisions at 400 GeV with NA60
R. Arnaldi, K. Banicz, K. Borer +51
The NA60 experiment has studied low-mass muon pair production in proton-nucleus collisions with a system of Be, Cu, In, W, Pb and U targets, using a 400 GeV proton beam at the CERN…
From prompt to direct J/ production: new insights on the and polarizations and feed-down contributions from a global-fit analysis of mid-rapidity LHC data
Pietro Faccioli, Carlos Lourenço, Thomas Madlener
While the prompt J/ cross section and polarization have been measured with good precision as a function of transverse momentum, , those of the directly produced J/…
Charting the European Course to the High-Energy Frontier
U. Amaldi, E. Aslanides, R. Barate +50
We review the capabilities of two projects that have been proposed as the next major European facility, for consideration in the upcoming update of the European Strategy for Partic…
NRQCD colour-octet expansion vs LHC quarkonium production: signs of a hierarchy puzzle?
Pietro Faccioli, Carlos Lourenco
The observation of unpolarized quarkonium production in high energy pp collisions, at mid rapidity, implies a significant violation of the non-relativistic QCD (NRQCD) velocity sca…
A next-generation LHC heavy-ion experiment
D. Adamová, G. Aglieri Rinella, M. Agnello +395
The present document discusses plans for a compact, next-generation multi-purpose detector at the LHC as a follow-up to the present ALICE experiment. The aim is to build a nearly m…
The fate of quarkonia in heavy-ion collisions at LHC energies: a unified description of the sequential suppression patterns
Pietro Faccioli, Carlos Lourenco
Measurements made at the LHC have shown that the production of the , (2S), (1S) and (2S) quarkonia is suppressed in Pb-Pb collisions, with respect to the extrap…
From identical S- and P-wave pT/M spectra to maximally distinct polarizations: probing NRQCD with chi states
Pietro Faccioli, Carlos Lourenco, Mariana Araujo +3
A global analysis of ATLAS and CMS measurements reveals that, at mid-rapidity, the directly-produced , and J/ mesons have differential cross sections of seeming…
Universal kinematic scaling as a probe of factorized long-distance effects in high-energy quarkonium production
Pietro Faccioli, Carlos Lourenco, Mariana Araujo +1
Dimensional analysis reveals general kinematic scaling rules for the momentum, mass, and energy dependence of Drell-Yan and quarkonium cross sections. Their application to mid-rapi…
Quarkonium production at the LHC: a data-driven analysis of NRQCD's predictions
Pietro Faccioli, Mariana Araújo, Valentin Knünz +3
While non-relativistic QCD (NRQCD) foresees a variety of elementary quarkonium production mechanisms naturally leading to state-dependent kinematic patterns, the LHC cross sections…
Quarkonium production at the LHC: a phenomenological analysis of surprisingly simple data patterns
Pietro Faccioli, Mariana Araújo, Valentin Knünz +3
The LHC quarkonium production measurements reveal a startling observation: the J/, (2S), and (nS) -differential cross sections are compatible with on…
Heavy-flavour and quarkonium production in the LHC era: from proton-proton to heavy-ion collisions
A. Andronic, F. Arleo, R. Arnaldi +53
This report reviews the study of open heavy-flavour and quarkonium production in high-energy hadronic collisions, as tools to investigate fundamental aspects of Quantum Chromodynam…
Quarkonium production in the LHC era: a polarized perspective
Pietro Faccioli, Valentin Knuenz, Carlos Lourenco +2
Polarization measurements are usually considered as the most difficult challenge for the QCD description of quarkonium production. In fact, global data fits for the determination o…
First Look at the Physics Case of TLEP
M. Bicer, H. Duran Yildiz, I. Yildiz +128
The discovery by the ATLAS and CMS experiments of a new boson with mass around 125 GeV and with measured properties compatible with those of a Standard-Model Higgs boson, coupled w…
Minimal physical constraints on the angular distributions of two-body boson decays
Pietro Faccioli, Carlos Lourenco, Joao Seixas +1
The angular distribution of the two-body decay of a boson of unknown properties is strongly constrained by angular momentum conservation and rotation invariance, as well as by the…
Quarkonium production in high energy proton-proton and proton-nucleus collisions
Z. Conesa del Valle, G. Corcella, F. Fleuret +13
We present a brief overview of the most relevant current issues related to quarkonium production in high energy proton-proton and proton-nucleus collisions along with some perspect…
Towards the experimental clarification of quarkonium polarization
Pietro Faccioli, Carlos Lourenco, Joao Seixas +1
We highlight issues which are often underestimated in the experimental analyses on quarkonium polarization: the relation between the parameters of the angular distributions and the…
A new approach to quarkonium polarization studies
Pietro Faccioli, Carlos Lourenco, Joao Seixas
Significant progress in understanding quarkonium production requires improved polarization measurements, fully considering the intrinsic multidimensionality of the problem. We prop…
Rotation-invariant relations in vector meson decays into fermion pairs
Pietro Faccioli, Carlos Lourenco, Joao Seixas
The rotational properties of angular momentum eigenstates imply the existence of a frame-independent relation among the parameters of the decay distribution of vector mesons into f…
J/psi azimuthal anisotropy relative to the reaction plane in Pb-Pb collisions at 158 GeV per nucleon
F. Prino
The J/ azimuthal distribution relative to the reaction plane has been measured by the NA50 experiment in Pb-Pb collisions at 158 GeV/nucleon. Various physical mechanisms related…
Thermal Dimuon Emission in In-In at the CERN SPS
M. Floris
The NA60 experiment at the CERN SPS has studied low-mass dimuon production in 158A GeV In-In collisions. A significant excess of pairs is observed above the yield expected from neu…
First Measurement of the rho Spectral Function in High-Energy Nuclear Collisions
NA60 Collaboration, R. Arnaldi
We report on a precision measurement of low-mass muon pairs in 158 AGeV indium-indium collisions at the CERN SPS. A significant excess of pairs is observed above the yield expected…
Charmonia Production at the CERN/SPS
G. Borges
We present the final results of experiment NA50 on charmonia production in Pb-Pb interactions at 158 A GeV. A strong increasing suppression is observed with increasing centrality,…
Heavy Quarkonium Physics
N. Brambilla, M. Krämer, R. Mussa +82
This report is the result of the collaboration and research effort of the Quarkonium Working Group over the last three years. It provides a comprehensive overview of the state of t…