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Observation of suppressed charged-particle production in ultrarelativistic oxygen-oxygen collisions
CMS Collaboration
A hot and dense state of nuclear matter, known as the quark-gluon plasma, is created in collisions of ultrarelativistic heavy nuclei. Highly energetic quarks and gluons, collective…
Measurement of D meson photoproduction in ultraperipheral heavy ion collisions
CMS Collaboration
This Letter reports the first measurement of photonuclear D meson production in ultraperipheral heavy ion collisions. The study is performed using lead-lead collision data, wit…
Observation of coherent (1020) meson photoproduction in ultraperipheral PbPb collisions at = 5.36 TeV
CMS Collaboration
The first observation of coherent (1020) meson photoproduction off heavy nuclei is presented using ultraperipheral lead-lead collisions at a center-of-mass energy per nucleon pa…
Probing gluon fluctuations in nuclei with the first energy-dependent measurement of incoherent J/ photoproduction in ultraperipheral PbPb collisions
CMS Collaboration
Incoherent J/ photoproduction in heavy ion ultraperipheral collisions (UPCs) provides a sensitive probe of localized, fluctuating gluonic structures within heavy nuclei. This st…
Observation of the charged-particle multiplicity dependence of in pPb collisions at 8.16 TeV
CMS Collaboration
Bound states of charm and anticharm quarks, known as charmonia, have a rich spectroscopic structure that can be used to probe the dynamics of hadron production in high-energy hadro…
Evidence for similar collectivity of high transverse momentum particles in pPb and PbPb collisions
CMS Collaboration
Charged hadron elliptic anisotropies () are presented over a wide transverse momentum () range for proton-lead (pPb) and lead-lead (PbPb) collisions at nucleon-nuc…
Higher-order moments of the elliptic flow distribution in PbPb collisions at = 5.02 TeV
CMS Collaboration
The hydrodynamic flow-like behavior of charged hadrons in high-energy lead-lead collisions is studied through multiparticle correlations. The elliptic anisotropy values based on di…
Study of charm hadronization with prompt baryons in proton-proton and lead-lead collisions at = 5.02 TeV
CMS Collaboration
The production of prompt baryons is measured via the exclusive decay channel pK at a center-of-mass energy per nucleon pair of 5.02 T…
Multiplicity and transverse momentum dependence of charge-balance functions in pPb and PbPb collisions at LHC energies
CMS Collaboration
Measurements of the charge-dependent two-particle angular correlation function in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of …
Evidence for top quark production in nucleus-nucleus collisions
Georgios Konstantinos Krintiras
Using of lead-lead () collision data recorded by the CMS experiment at a nucleon-nucleon center-of-mass energy of 5.02 TeV, we report evide…
System-size dependence of Lambda and Xi production in nucleus--nucleus collisions at 40A and 158A GeV measured at the CERN Super Proton Synchrotron
NA49 Collaboration
Results on Lambda, Anti-lambda, and Xi- production in centrality selected Pb+Pb reactions at 40A and 158A GeV and in near-central C+C and Si+Si reactions at 158A GeV are presented.…
Energy dependence of transverse momentum fluctuations in Pb+Pb collisions at the CERN Super Proton Synchrotron (SPS) at 20A to 158A GeV
The NA49 Collaboration
Results are presented on event-by-event fluctuations of transverse momenta in central Pb+Pb interactions at 20, 30, 40, 80, and 158 GeV. The analysis was perfo…
Energy dependence of particle ratio fluctuations in central Pb+Pb collisions from ~6.3 to 17.3 GeV
NA49 Collaboration
We present measurements of the energy dependence of event-by-event fluctuations in the K/pi and (p + \bar{p})/pi multiplicity ratios in heavy ion collisions at the CERN SPS. The pa…
Energy Dependence of Multiplicity Fluctuations in Heavy Ion Collisions at the CERN SPS
The NA49 Collaboration, B. Lungwitz
Multiplicity fluctuations of positively, negatively and all charged hadrons in the forward hemisphere were studied in central Pb+Pb collisions at 20A, 30A, 40A, 80A and 158A GeV. T…
Pion and kaon production in central Pb+Pb collisions at 20A and 30A GeV: Evidence for the onset of deconfinement
NA49 Collaboration
Results on charged pion and kaon production in central Pb+Pb collisions at 20A and 30A GeV are presented and compared to data at lower and higher energies. A rapid change of the en…
Bose-Einstein correlations of pion pairs in central Pb+Pb collisions at CERN SPS energies
NA49 Collaboration
Measurements of Bose-Einstein correlations of pion pairs in central Pb+Pb collisions were performed with the NA49 detector at the CERN SPS for beam energies of 20A, 30A, 40A, 80A,…
Rapidity and energy dependence of the electric charge correlations in A+A collisions at the SPS energies
NA49 Collaboration
Results from electric charge correlations studied with the Balance Function method in A+A collisions from 20\emph{A} to 158\emph{A} GeV are presented in two different rapidity inte…
Centrality and system size dependence of multiplicity fluctuations in nuclear collisions at 158 AGeV
NA49 Collaboration
The centrality and system size dependence of multiplicity fluctuations of charged particles produced in nuclear collisions at GeV was studied by the NA49 collaboration. Cen…
Anisotropic Flow of Strange Particles at SPS
Grzegorz Stefanek
The elliptic flow for Lambda hyperons and K0s mesons was measured by the NA49 experiment in semicentral Pb+Pb collisions at 158A GeV. The standard method of correlating particles w…
Elliptic flow of Lambda hyperons in Pb+Pb collisions at 158A GeV
G. Stefanek
The elliptic flow of Lambda hyperons has been measured by the NA49 collaboration at the CERN-SPS in semi-central Pb+Pb collisions at 158A GeV. The standard method of correlating pa…
Upper Limit of D0 Production in Central Pb-Pb Collisions at 158A GeV
NA49 Collaboration
Results are presented from a search for the decays D0 -> Kmin piplus and D0bar -> Kplus pimin in a sample of 3.8x10^6 central Pb-Pb events collected with a beam energy of 158A GeV…
Multiplicity fluctuations in nuclear collisions at 158 A GeV
M Rybczynski
System size dependence of multiplicity fluctuations of charged particles produced in nuclear collisions at 158 A GeV was studied in the NA49 CERN experiment. Results indicate a non…
Omega and Antiomega production in central Pb+Pb collisions at 40 and 158 AGeV
The NA49 collaboration, C. Alt
Results are presented on Omega production in central Pb+Pb collisions at 40 and 158 AGeV beam energy. Given are transverse-mass spectra, rapidity distributions, and total yields fo…
Event-by-Event Fluctuations of Particle Ratios in Central Pb+Pb Collisions at 20 to 158 AGeV
Christof Roland
In the vicinity of the QCD phase transition, critical fluctuations have been predicted to lead to non-statistical fluctuations of particle ratios, depending on the nature of the ph…