O. Chvála

activity

20022025

most citedPion and kaon production in central Pb+Pb collisions at 20A and 30A GeV: Evidence for the onset of deconfinement

380 citations · 5.3k across the 83 of their papers we have counts for

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22 papers · 1 filter

hep-ex2025

Cross sections of $η$ mesons in $p$ $+$ $p$ collisions at forward rapidity at $s = 500$ GeV and central rapidity at $s = 510$ GeV

PHENIX Collaboration, N. J. Abdulameer, U. Acharya +497

We present the first measurements of the forward and midrapidity $η$ -meson cross sections from $p$ $+$ $p$ collisions at $s = 500$ and $510$ ~GeV, respectively. We also report th…

hep-ex2020★ 11 cited

Measurement of jet-medium interactions via direct photon-hadron correlations in Au $+$ Au and $d$ $+$ Au collisions at $s_{_{N N}} = 200$ GeV

U. Acharya, A. Adare, S. Afanasiev +574

We present direct photon-hadron correlations in 200 GeV/A Au $+$ Au, $d$ $+$ Au and $p$ $+$ $p$ collisions, for direct photon $p_{T}$ from 5--12 GeV/ $c$ , collected by the PHENIX Collaborat…

hep-ex2018★ 19 cited

Measurement of two-particle correlations with respect to second- and third-order event planes in Au $+$ Au collisions at $s_{_{N N}} = 200$ GeV

A. Adare, S. Afanasiev, C. Aidala +453

We present measurements of azimuthal correlations of charged hadron pairs in $s_{_{N N}} = 200$ GeV Au $+$ Au collisions for the trigger and associated particle transverse-moment…

hep-ex2017★ 9 cited

Measurement of emission angle anisotropy via long-range angular correlations with high $p_{T}$ hadrons in $d$ $+$ Au and $p$ $+$ $p$ collisions at $s_{_{N N}} = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +470

We present measurements of two-particle angular correlations between high-transverse-momentum ( $2 < p_{T} < 11$ GeV/ $c$ ) $π^{0}$ observed at midrapidity ( $∣ η ∣ < 0.35$ ) and particles produced…

hep-ex2015★ 40 cited

Measurement of parity-violating spin asymmetries in W $^{\pm}$ production at midrapidity in longitudinally polarized $p$ $+$ $p$ collisions

A. Adare, C. Aidala, N. N. Ajitanand +447

We present measurements from the PHENIX experiment of large parity-violating single spin asymmetries of high transverse momentum electrons and positrons from $W^{\pm} / Z$ decays, prod…

hep-ex2014

Inclusive cross sections, charge ratio and double-helicity asymmetries for $π^{+}$ and $π^{-}$ production in $p$ $+$ $p$ collisions at $s$ =200 GeV

A. Adare, C. Aidala, N. N. Ajitanand +378

We present the midrapidity charged pion invariant cross sections and the ratio of $π^{-}$ -to- $π^{+}$ production ( $5 < p_{T} < 13$ GeV/ $c$ ), together with the double-helicity asymmetries ($5<…

hep-ex2014★ 41 cited

Cross Section and Transverse Single-Spin Asymmetry of $η$ Mesons in $p^{↑} + p$ Collisions at $s = 200$ GeV at Forward Rapidity

A. Adare, C. Aidala, N. N. Ajitanand +482

We present a measurement of the cross section and transverse single-spin asymmetry ( $A_{N}$ ) for $η$ mesons at large pseudorapidity from $s = 200$ ~GeV $p^{↑} + p$ collision…

hep-ex2014★ 81 cited

Inclusive double-helicity asymmetries in neutral pion and eta meson production in $p + p$ collisions at $s = 200$ GeV

A. Adare, C. Aidala, N. N. Ajitanand +377

Results are presented from data recorded in 2009 by the PHENIX experiment at the Relativistic Heavy Ion Collider for the double-longitudinal spin asymmetry, $A_{LL}$ , for $π^{0}$ and…

hep-ex2013★ 13 cited

Measurement of transverse-single-spin asymmetries for midrapidity and forward-rapidity production of hadrons in polarized p+p collisions at $s =$ 200 and 62.4 GeV

A. Adare, S. Afanasiev, C. Aidala +448

Measurements of transverse-single-spin asymmetries ( $A_{N}$ ) in $p$ $+$ $p$ collisions at $s =$ 62.4 and 200 GeV with the PHENIX detector at RHIC are presented. At midrapidity,…

hep-ex2012★ 10 cited

Double Spin Asymmetry of Electrons from Heavy Flavor Decays in p+p Collisions at sqrt(s)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +381

We report on the first measurement of double-spin asymmetry, A_LL, of electrons from the decays of hadrons containing heavy flavor in longitudinally polarized p+p collisions at sqr…

hep-ex2012★ 3 cited

Inclusive production of protons, anti-protons, neutrons, deuterons and tritons in p+C collisions at 158 GeV/c beam momentum

The NA49 Collaboration, B. Baatar, G. Barr +22

The production of protons, anti-protons, neutrons, deuterons and tritons in minimum bias p+C interactions is studied using a sample of 385 734 inelastic events obtained with the NA…

hep-ex2011★ 104 cited

Ground and excited charmonium state production in p+p collisions at sqrt(s)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +444

We report on charmonium measurements [J/psi(1S), psi'(2S), and chi_c(1P)] in p+p collisions at sqrt(s)=200 GeV. We find that the fraction of J/psi coming from the feed-down decay o…

hep-ex2010★ 42 cited

Measurement of Transverse Single-Spin Asymmetries for J/psi Production in Polarized p+p Collisions at sqrt(s) = 200 GeV

A. Adare, S. Afanasiev, C. Aidala +444

We report the first measurement of transverse single-spin asymmetries in $J / ψ$ production from transversely polarized $p + p$ collisions at $s = 200$ GeV with data taken by th…

hep-ex2010★ 68 cited

Cross Section and Parity Violating Spin Asymmetries of W^+/- Boson Production in Polarized p+p Collisions at sqrt(s)=500 GeV

A. Adare, S. Afanasiev, C. Aidala +371

Large parity violating longitudinal single spin asymmetries A^{e^-}_L= -0.86^{+0.14}_{-0.30} and A^{e^+}_L= 0.88^{+0.12}_{-0.71} are observed for inclusive high transverse momentum…

hep-ex2010★ 73 cited

Inclusive production of charged kaons in p+p collisions at 158 GeV/c beam momentum and a new evaluation of the energy dependence of kaon production up to collider energies

The NA49 Collaboration, T. Anticic, B. Baatar +30

New data on the production of charged kaons in p+p interactions are presented. The data come from a sample of 4.8 million inelastic events obtained with the NA49 detector at the CE…

hep-ex2009

Search for the QCD critical point at SPS energies

NA49 Collaboration, SHINE Collaboration

Lattice QCD calculations locate the QCD critical point at energies accessible at the CERN Super Proton Synchrotron (SPS). We present average transverse momentum and multiplicity fl…

hep-ex2009★ 89 cited

Inclusive production of protons, anti-protons and neutrons in p+p collisions at 158 GeV/c beam momentum

NA49 Collaboration, T. Anticic, B. Baatar +45

New data on the production of protons, anti-protons and neutrons in p+p interactions are presented. The data come from a sample of 4.8 million inelastic events obtained with the NA…

hep-ex2004★ 39 cited

System Size and Centrality Dependence of the Balance Function in A + A Collisions at s(NN)^(1/2) = 17.2 GeV

NA49 Collaboration

Electric charge correlations were studied for p+p, C+C, Si+Si and centrality selected Pb+Pb collisions at $s_{N N} = 17.2$ GeV with the NA49 large acceptance detector at the…

hep-ex2004★ 13 cited

On the Importance of Isospin Effects for the Interpretation of Nuclear Collisions

Ondrej Chvala

It is demonstrated that many aspects of nuclear collisions, as for instance the evolution of $π^{+} / π^{-}$ and $K / π$ ratios with $x_{F}$ and $s$ , are influenced by isospin eff…

hep-ex2003★ 98 cited

Transverse Momentum Fluctuations in Nuclear Collisions at 158 AGeV

The NA49 Collaboration

Results are presented on event-by-event fluctuations in transverse momentum of charged particles, produced at forward rapidities in p+p, C+C, Si+Si and Pb+Pb collisions at 158 AGeV…

hep-ex2003★ 284 cited

Observation of an Exotic S = -2, Q = -2 Baryon Resonance in Proton-Proton Collisions at the CERN SPS

NA49 Collaboration

Results of resonance searches in the Xi- pi-, Xi- pi+, antiXi+ pi- and antiXi+ pi+ invariant mass spectra in proton-proton collisions at sqrt{s}=17.2 GeV are presented. Evidence is…

hep-ex2002★ 4 cited

Search for Deconfinement in NA49 at the CERN SPS

P. Seyboth

Experiment NA49 at the Cern SPS uses a large acceptance detector for a systematic study of particle yields and correlations in nucleus-nucleus, nucleon-nucleus and nucleon-nucleon…

Cross sections of η mesons in p+p collisions at forward rapidity at s​=500 GeV and central rapidity at s​=510 GeV

Measurement of jet-medium interactions via direct photon-hadron correlations in Au+Au and d+Au collisions at sNN​​​=200 GeV

Measurement of two-particle correlations with respect to second- and third-order event planes in Au+Au collisions at sNN​​​=200 GeV

Measurement of emission angle anisotropy via long-range angular correlations with high pT​ hadrons in d+Au and p+p collisions at sNN​​​=200 GeV

Measurement of parity-violating spin asymmetries in W± production at midrapidity in longitudinally polarized p+p collisions

Inclusive cross sections, charge ratio and double-helicity asymmetries for π+ and π− production in p+p collisions at s​=200 GeV

Cross Section and Transverse Single-Spin Asymmetry of η Mesons in p↑+p Collisions at s​=200 GeV at Forward Rapidity

Inclusive double-helicity asymmetries in neutral pion and eta meson production in p​+p​ collisions at s​=200 GeV

Measurement of transverse-single-spin asymmetries for midrapidity and forward-rapidity production of hadrons in polarized p+p collisions at s​=200 and 62.4 GeV