activity
19972011
most citedObservation of Direct Photons in Central 158 A GeV 208Pb+208Pb Collisions

205 citations · 1k across the 23 of their papers we have counts for

collaborators

23 papers

nucl-ex2011★ 1 cited

Photon and Eta Production in p+Pb and p+C Collisions at sqrt{sNN} = 17.4 GeV

WA98 Collaboration

Measurements of direct photon production in p+Pb and p+C collisions at are presented. Upper limits on the direct photon yield as a functio…

nucl-ex2011★ 18 cited

Event-by-event charged-neutral fluctuations in Pb+Pb collisions at 158 A~GeV

WA98 Collaboration

Charged particles and photons have been measured in central Pb+Pb collisions at 158 A GeV in a common ( - )-phase space region in the WA98 experiment at the CERN SPS. The mea…

nucl-ex2006★ 2 cited

Pion Freeze-Out Time in Pb+Pb Collisions at 158 A GeV/c Studied via pi-/pi+ and K-/K+ Ratios

WA98 Collaboration

The effect of the final state Coulomb interaction on particles produced in Pb+Pb collisions at 158 A GeV/c has been investigated in the WA98 experiment through the study of the pi-…

nucl-ex2004★ 15 cited

Azimuthal Anisotropy of Photon and Charged Particle Emission in Pb+Pb Collisions at 158 A GeV/c

WA98 Collaboration, M. M. Aggarwal

The azimuthal distributions of photons and charged particles with respect to the event plane are investigated as a function of centrality in Pb + Pb collisions at 158 A GeV/c in th…

nucl-ex2003★ 68 cited

Interferometry of Direct Photons in Central 280Pb+208Pb Collisions at 158A GeV

WA98 Collaboration, M. M. Aggarwal

Two-particle correlations of direct photons were measured in central 208Pb+208Pb collisions at 158 AGeV. The invariant interferometric radii were extracted for 100<K_T<300 MeV/c an…

nucl-ex2002★ 28 cited

Sub-threshold phi-meson yield in central 58Ni+58Ni collisions

A. Mangiarotti, N. Herrmann, P. R. Maurenzig +4

The -meson production cross section is measured for the first time at a sub-threshold energy of 1.93 AGeV in \nuc{58}{Ni}+\nuc{58}{Ni} central collisions. The data were obta…

nucl-ex2002★ 4 cited

Particle density fluctuations

Bedangadas Mohanty

Event-by-event fluctuations in the multiplicities of charged particles and photons at SPS energies are discussed. Fluctuations are studied by controlling the centrality of the reac…

nucl-ex2001

Multiplicity Distributions and Charged-Neutral Fluctuations

Tapan K. Nayak

We discuss the importance of event-by-event fluctuations in relativistic heavy-ion collisions. We present results of multiplicity fluctuations of photons and charged particles prod…

nucl-ex2001★ 65 cited

Event-by-Event Fluctuations in Particle Multiplicities and Transverse Energy Produced in 158.A GeV Pb+Pb collisions

M. M. Aggarwal

Event-by-event fluctuations in the multiplicities of charged particles and photons, and the total transverse energy in 158 GeV Pb+Pb collisions are studied for a wide rang…

nucl-ex2001★ 3 cited

Multiplicity Distributions and Charged-neutral Fluctuations

Tapan K. Nayak

Results from the multiplicity distributions of inclusive photons and charged particles, scaling of particle multiplicities, event-by-event multiplicity fluctuations, and charged-ne…

nucl-ex2001★ 57 cited

Direct comparison of phase-space distributions of K- and K+ mesons in heavy-ion collisions at SIS energies - evidence for in-medium modifications of kaons ?

K. Wisniewski, P. Crochet, N. Herrmann

The ratio of K- to K+ meson yields has been measured in the systems RuRu at 1.69 A GeV, Ru+Zr at 1.69 A GeV, and Ni+Ni at 1.93 A GeV incident beam kinetic energy. The yield ratio i…

hep-ex2000★ 29 cited

Three-Pion Interferometry Results from Central Pb+Pb Collisions at 158 A GeV/c

WA98 Collaboration, M. M. Aggarwal

Three-particle correlations have been measured for identified negative pions from central 158 A GeV Pb+Pb collisions by the WA98 experiment at CERN. A substantial contribution of t…

nucl-ex2000★ 205 cited

Observation of Direct Photons in Central 158 A GeV 208Pb+208Pb Collisions

WA98 Collaboration, M. M. Aggarwal

A measurement of direct photon production in 208Pb + 208Pb collisions at 158 A GeV has been carried out in the CERN WA98 experiment. The invariant yield of direct photons in centra…

nucl-ex2000★ 93 cited

Sideward flow of K+ mesons in Ru+Ru and Ni+Ni reactions near threshold

P. Crochet, N. Herrmann, K. Wisniewski +2

Experimental data on K+ meson and proton sideward flow measured with the FOPI detector at SIS/GSI in the reactions Ru+Ru at 1.69 AGeV and Ni+Ni at 1.93 AGeV are presented. The K+ s…

nucl-ex1999★ 3 cited

Search for DCC in 158A GeV Pb+Pb Collisions

Tapan K. Nayak

A detailed analysis of the phase space distributions of charged particles and photons have been carried out using two independent methods. The results indicate the presence of nons…

nucl-ex1999★ 148 cited

Isospin-tracing: A probe of non-equilibrium in central heavy-ion collisions

F. Rami, Y. Leifels, B. de Schauenburg +3

Four different combinations of Ru and Zr nuclei, both as projectile and target, were investigated at the same bombarding energy of 400 MeV using a …

nucl-ex1999★ 1 cited

On the Space-Time Difference of Proton and Composite Particle Emission in Central Heavy-Ion Reactions at 400 AMeV

R. Kotte, H. W. Barz, C. Plettner +3

Small-angle correlations of pairs of nonidentical light charged particles produced in central collisions of heavy ions in the A=100 mass region at a beam energy of 400 AMeV are inv…

nucl-ex1999★ 31 cited

Systematics of Inclusive Photon Production in 158 AGeV Pb Induced Reactions on Ni, Nb, and Pb Targets

WA98 Collaboration, M. M. Aggarwal et al

The multiplicity of inclusive photons has been measured on an event-by-event basis for 158 AGeV Pb induced reactions on Ni, Nb, and Pb targets. The systematics of the pseudorapidit…

nucl-ex1999★ 17 cited

Freeze-Out Parameters in Central 158AGeV Pb+Pb Collisions

WA98 Collaboration, M. M. Aggarwal et al

Neutral pion production in central 158AGeV Pb+Pb collisions has been studied in the WA98 experiment at the CERN SPS. The pi0 transverse mass spectrum has been analyzed in terms of…

nucl-ex1998★ 62 cited

Centrality Dependence of Neutral Pion Production in 158 A GeV Pb + Pb Collisions

WA98 Collaboration, M. M. Aggarwal et al

The production of neutral pions in 158AGeV Pb+Pb collisions has been studied in the WA98 experiment at the CERN SPS. Transverse momentum spectra are studied for the range 0.3 GeV/c…

hep-ex1998★ 80 cited

The PHENIX Experiment at RHIC

PHENIX Collaboration, David P. Morrison

The physics emphases of the PHENIX collaboration and the design and current status of the PHENIX detector are discussed. The plan of the collaboration for making the most effective…

hep-ex1998★ 15 cited

Present Status and Future of DCC Analysis

Tapan K. Nayak

Disoriented Chiral Condensates (DCC) have been predicted to form in high energy heavy ion collisions where the approximate chiral symmetry of QCD has been restored. This leads to l…

hep-ex1997★ 65 cited

Search for Disoriented Chiral Condensates in 158 AGeV Pb+Pb Collisions

The WA98 Collaboration, M. M. Aggarwal et al

The restoration of chiral symmetry and its subsequent breaking through a phase transition has been predicted to create regions of Disoriented Chiral Condensates (DCC). This phenome…