O
O. Chvala
Researcher at Charles University in Prague
Publications - 65
Citations - 2638
O. Chvala is an academic researcher from Charles University in Prague. The author has contributed to research in topics: Pion & Super Proton Synchrotron. The author has an hindex of 25, co-authored 65 publications receiving 2442 citations.
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Journal ArticleDOI
Pion and kaon production in central Pb+Pb collisions at 20A and 30A GeV: Evidence for the onset of deconfinement
C. Alt,Katarzyna Grebieszkow,I. K. Yoo,W. Peryt,E. Gladysz,V. Eckardt,B. Lungwitz,Z. Fodor,N. Schmitz,J. Sziklai,J. Bartke,P. Chung,Kreso Kadija,V. Friese,Ferenc Sikler,P. Csato,M. Slodkowski,Zbigniew Wlodarczyk,M. Vassiliou,Helena Bialkowska,C. Strabel,Andras Laszlo,G. L. Melkumov,V. I. Kolesnikov,Maciej Rybczyński,Christoph Blume,J. G. Cramer,Apostolos Panagiotou,J. Pluta,M. Szuba,G. Stefanek,D. Barna,M. van Leeuwen,D. Vranic,I. Kraus,O. Chvala,Gunther Roland,C. Höhne,J. Gál,S. Hegyi,M. Makariev,Andre Mischke,Andreas Petridis,G. Pálla,M. Botje,M. K. Mitrovski,Mrowczynski,Panagiota Foka,P. Dinkelaker,B. Baatar,Marek Kowalski,S. Kniege,P. Christakoglou,Leander Litov,R. Bramm,Peter Levai,E. Skrzypczak,Thorsten Sven Kollegger,M. Gazdzicki,E. Kornas,Branislav Sitar,Tatjana Susa,Tome Anticic,D. Flierl,R. Lacey,Andrzej Rybicki,Latchezar Betev,H. Ströbele,Miroslav Pikna,V. Genchev,Jozsef Molnar,I. Szentpetery,M. Mateev,F. Pühlhofer,P. Szymanski,Alexander Malakhov,V. Trubnikov,Michal Kreps,Rainer Arno Ernst Renfordt,J. Zimányi,D. J. Prindle,Predrag Buncic,T. R. Schuster,V. Cerny,A. Karev,Bożena Boimska,M. Kliemant,D. P. Kikola,Dezso Varga,P. Seyboth,R. Stock,V. Nicolic,Gabor Istvan Veres,Gyorgy Vesztergombi,J. Bracinik,D. Panayotov,A. Sandoval,A. Wetzler,Christof Roland +98 more
TL;DR: In this paper, 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.
Journal ArticleDOI
Directed and elliptic flow of charged pions and protons in Pb + Pb collisions at 40A and 158A GeV
C. Alt,Tome Anticic,B. Baatar,D. Barna,J. Bartke,M. Behler,L. Betev,Helena Bialkowska,A. Billmeier,Christoph Blume,Bożena Boimska,Nicolas Borghini,M. Botje,J. Bracinik,R. Bramm,Rene Brun,Predrag Buncic,Predrag Buncic,V. Cerny,O. Chvala,G.E. Cooper,J. G. Cramer,P. Csato,Phuong Mai Dinh,P. Dinkelaker,V. Eckardt,P. Filip,Z. Fodor,Panagiota Foka,P. Freund,V. Friese,J. Gál,Marek Gaździcki,G. Georgopoulos,E. Gladysz,S. Hegyi,C. Höhne,Peter Martin Jacobs,Kreso Kadija,A. Karev,S. Kniege,V. I. Kolesnikov,Thorsten Sven Kollegger,R. Korus,Marek Kowalski,I. Kraus,Michal Kreps,M. van Leeuwen,Peter Levai,Alexander Malakhov,Christina Markert,B. W. Mayes,G. L. Melkumov,C. Meurer,Andre Mischke,M. K. Mitrovski,Jozsef Molnar,St Mrówczyński,G. Odyniec,J. Y. Ollitrault,Gergely Palla,Apostolos Panagiotou,K. Perl,Andreas Petridis,Miroslav Pikna,Lawrence Pinsky,A. M. Poskanzer,F. Pühlhofer,Jeffrey G. Reid,Rainer Arno Ernst Renfordt,W. Retyk,H. G. Ritter,Christof Roland,Gunther Roland,M. Rybczynśki,A. Rybicki,A. Rybicki,A. Sandoval,H. Sann,N. Schmitz,P. Seyboth,Ferenc Sikler,Branislav Sitar,E. Skrzypczak,R.J.M. Snellings,G. Stefanek,R. Stock,H. Ströbele,Tatjana Susa,I. Szentpetery,J. Sziklai,Thomas A. Trainor,Dezso Varga,M. Vassiliou,Gabor Istvan Veres,Gyorgy Vesztergombi,Sergey Voloshin,D. Vranic,A. Wetzler,Zbigniew Wlodarczyk,I. K. Yoo,I. K. Yoo,J. Zaranek,J. Zimányi +103 more
TL;DR: In this paper, both the standard method of correlating particles with an event plane and the cumulant method of studying multiparticle correlations were used to reconstruct the collective motion in A+A collisions at SPS energies.
Journal ArticleDOI
Evidence for an exotic S= -2, Q= -2 baryon resonance in proton-proton collisions at the CERN SPS.
C. Alt,Tome Anticic,B. Baatar,D. Barna,J. Bartke,Latchezar Betev,Latchezar Betev,Helena Bialkowska,A. Billmeier,Christoph Blume,Christoph Blume,Bożena Boimska,M. Botje,J. Bracinik,R. Bramm,Rene Brun,Predrag Buncic,Predrag Buncic,V. Cerny,P. Christakoglou,O. Chvala,J. G. Cramer,P. Csato,N. Darmenov,Anton Dimitrov,P. Dinkelaker,V. Eckardt,G. Farantatos,P. Filip,D. Flierl,Z. Fodor,Panagiota Foka,P. Freund,V. Friese,V. Friese,J. Gál,Marek Gaździcki,G. Georgopoulos,E. Gladysz,S. Hegyi,C. Höhne,Kreso Kadija,A. Karev,S. Kniege,V. I. Kolesnikov,Thorsten Sven Kollegger,R. Korus,Marek Kowalski,I. Kraus,Michal Kreps,M. van Leeuwen,Peter Levai,Leander Litov,M. Makariev,Alexander Malakhov,Christina Markert,M. Mateev,B. W. Mayes,G. L. Melkumov,C. Meurer,Andre Mischke,M. K. Mitrovski,Jozsef Molnar,St Mrówczyński,G. Pálla,Apostolos Panagiotou,D. Panayotov,K. Perl,Andreas Petridis,Miroslav Pikna,Lawrence Pinsky,F. Pühlhofer,Jeffrey G. Reid,Rainer Arno Ernst Renfordt,W. Retyk,Christof Roland,Gunther Roland,Maciej Rybczyński,A. Rybicki,A. Rybicki,A. Sandoval,H. Sann,N. Schmitz,P. Seyboth,Ferenc Sikler,Branislav Sitar,E. Skrzypczak,G. Stefanek,R. Stock,H. Ströbele,Tatjana Susa,I. Szentpetery,J. Sziklai,Thomas A. Trainor,Dezso Varga,M. Vassiliou,Gabor Istvan Veres,Gabor Istvan Veres,Gyorgy Vesztergombi,D. Vranic,A. Wetzler,Zbigniew Wlodarczyk,I. K. Yoo,J. Zaranek,J. Zimányi +104 more
TL;DR: Results of resonance searches in the Xi(-)pi(-), Xi (-)pi(+), Xi;(+)pi(-, and Xi; (+)pi(+) invariant mass spectra in proton-proton collisions at sqrt[s]=17.2 GeV are presented.
Journal ArticleDOI
Energy and centrality dependence of deuteron and proton production in Pb+Pb collisions at relativistic energies
Tome Anticic,B. Baatar,D. Barna,J. Bartke,M. Behler,L. Betev,Helena Bialkowska,A. Billimeier,C. Blume,Bożena Boimska,M. Botje,J. Bracinik,R. Bramm,Rene Brun,Predrag Buncic,V. Cerny,P. Christakoglou,O. Chvala,G.E. Cooper,J. G. Cramer,P. Csato,P. Dinkelaker,V. Eckardt,P. Filip,H. G. Fischer,Z. Fodor,Panagiota Foka,P. Freund,V. Friese,J. Gál,Marek Gaździcki,G. Georgopoulos,E. Gladysz,S. Hegyi,C. Höhne,Peter Martin Jacobs,Kreso Kadija,A. Karev,V. I. Kolesnikov,Thorsten Sven Kollegger,R. Korus,Marek Kowalski,I. Kraus,Michal Kreps,M. van Leeuwen,Peter Levai,Alexander Malakhov,Christina Markert,B. W. Mayes,G. L. Melkumov,C. Meurer,Andre Mischke,M. K. Mitrovski,Jozsef Molnar,St Mrówczyński,G. Pálla,Apostolos Panagiotou,K. Perl,Andreas Petridis,Miroslav Pikna,Lawrence Pinsky,F. Pühlhofer,Jeffrey G. Reid,Rainer Arno Ernst Renfordt,W. Retyk,Christof Roland,Gunther Roland,Maciej Rybczyński,A. Rybicki,A. Sandoval,H. Sann,N. Schmitz,P. Seyboth,Ferenc Sikler,Branislav Sitar,E. Skrzypczak,G. Stefanek,R. Stock,H. Ströbele,Tatjana Susa,Szentpétery,J. Sziklai,Thomas A. Trainor,Dezso Varga,M. Vassiliou,Gabor Istvan Veres,Gyorgy Vesztergombi,D. Vranic,Siegfried Wenig,A. Wetzler,Zbigniew Wlodarczyk,N. Xu,I. K. Yoo,J. Zaranek,J. Zimányi +94 more
TL;DR: In this article, the transverse mass mt distributions for deuterons and protons are measured in Pb + Pb reactions near midrapidity and in the range 0
Journal ArticleDOI
Inclusive production of charged pions in p+p collisions at 158 GeV/c beam momentum
C. Alt,B. Baatar,D. Barna,G.D. Barr,J. Bartke,Latchezar Betev,Helena Bialkowska,Christoph Blume,Bożena Boimska,J. Bracinik,R. Bramm,Predrag Buncic,V. Cerny,P. Christakoglou,O. Chvala,P. Dinkelaker,Jiri Dolejsi,V. Eckardt,H. G. Fischer,D. Flierl,Z. Fodor,Panagiota Foka,V. Friese,Marek Gaździcki,G. Georgopoulos,C. Höhne,A. Karev,A. Karev,S. Kniege,Thorsten Sven Kollegger,V. I. Kolesnikov,E. Kornas,Marek Kowalski,I. Kraus,Michal Kreps,Leander Litov,M. Makariev,Alexander Malakhov,M. Mateev,G. L. Melkumov,M. K. Mitrovski,G. Pálla,Apostolos Panagiotou,D. Panayotov,C. Pattison,Andreas Petridis,Rainer Arno Ernst Renfordt,Andrzej Rybicki,A. Sandoval,N. Schmitz,P. Seyboth,Ferenc Sikler,R. Stock,H. Ströbele,J. Sziklai,P. Szymanski,V. Trubnikov,D. Varga,M. Vassiliou,Gabor Istvan Veres,Gyorgy Vesztergombi,D. Vranic,Siegfried Wenig,A. Wetzler,J. Zaranek +64 more
TL;DR: In this paper, the production of charged pions in minimum bias p+C interactions is studied using a sample of 377000 inelastic events obtained with the NA49 detector at the CERN SPS at 158 GeV/c beam momentum.