T
T.L. Karavitcheva
Researcher at École Polytechnique
Publications - 52
Citations - 1479
T.L. Karavitcheva is an academic researcher from École Polytechnique. The author has contributed to research in topics: Nucleon & Meson. The author has an hindex of 18, co-authored 52 publications receiving 1437 citations.
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Journal ArticleDOI
Evidence for deconfinement of quarks and gluons from the J/ψ suppression pattern measured in Pb-Pb collisions at the CERN-SPS
M.C. Abreu,Bruno Alessandro,C. Alexa,R. Arnaldi,M. Atayan,C. Baglin,A. Baldit,M. Bedjidian,S. Beolè,V. Boldea,P. Bordalo,A. Bussiere,L. Capelli,L. Casagrande,J. Castor,T. Chambon,B. Chaurand,I. Chevrot,B. Cheynis,E. Chiavassa,C. Cicalò,M. P. Comets,N. Constans,S. Constantinescu,João Cruz,A. De Falco,G. Dellacasa,N. De Marco,A. Devaux,S. Dita,O. Drapier,Laurent Ducroux,B. Espagnon,J. Fargeix,P. Force,M. Gallio,Yu.K. Gavrilov,C. Gerschel,Paolo Giubellino,M.B. Golubeva,M. Gonin,A.A. Grigorian,J.Y. Grossiord,F.F. Guber,A. Guichard,H. Gulkanyan,R. Hakobyan,R. Haroutunian,Marek Idzik,D. Jouan,T.L. Karavitcheva,L. Kluberg,A. B. Kurepin,Y. Le Bornec,C. Lourenço,M. Mac Cormick,P. Macciotta,A. Marzari-Chiesa,M. Masera,A. Masoni,S Mehrabyan,M. Monteno,S. Mourgues,A. Musso,P. Petiau,A. Piccotti,J.-R. Pizzi,F. Prino,G. Puddu,C. Quintans,L. Ramello,S. Ramos,P. Rato-Mendes,L. Riccati,A. Romana,I. Ropotar,P. Saturnini,Enrico Scomparin,S. Serci,R. Shahoyan,S. Silva,M. Sitta,C. Soave,P. Sonderegger,X. Tarrago,N.S. Topilskaya,G.L. Usai,E. Vercellin,L. Villatte,N. Willis +89 more
TL;DR: The analysis of the data collected by the NA50 experiment in 1998, reported in this paper, extends and clarifies the pattern of the previously observed J/ψ anomalous suppression.
Journal ArticleDOI
Anomalous J/psi suppression in Pb-Pb interactions at 158 GeV/c per nucleon
M.C. Abreu,Bruno Alessandro,Calin Alexa,J. Astruc,C. Baglin,A. Baldit,M. Bedjidian,F. Bellaiche,Stefania Beole,V. Boldea,G. Bonazzola,P. Bordalo,A. Borhani,A. Bussiere,V. Capony,J. Castor,T. Chambon,B. Chaurand,I. Chevrot,B. Cheynis,E. Chiavassa,Corrado Cicalo,Serban Constantinescu,João Cruz,Wladyslaw Dabrowski,A. De Falco,G. Dellacasa,N. De Marco,A. Devaux,Sanda Dita,O. Drapier,B. Espagnon,J. Fargeix,François Fleuret,P. Force,Mauro Gallio,L. Gatignon,Y.K. Gavrilov,C. Gerschel,Paolo Giubellino,M.B. Golubeva,M. Gonin,Ph. Gorodetzky,J.Y. Grossiord,P. Guaita,F.F. Guber,A. Guichard,R. Haroutunian,Marek Idzik,D. Jouan,T.L. Karavitcheva,L. Kluberg,A. B. Kurepin,G. Landaud,Y. Lebornec,Carlos Lourenco,L. Luquin,P. Macciotta,A. Marzari-Chiesa,Massimo Masera,A. Masoni,S. Mourgues,A. Musso,F. Ohlsson-Malek,P. Petiau,A. Piccotti,J.R. Pizzi,W.L. Prado da Silva,G. Puddu,C. Quintans,C. Racca,L. Ramello,S. Ramos,P. Rato-Mendes,L. Riccati,A. Romana,S. Sartori,P. Saturnini,Enrico Scomparin,Sergio Serci,S. Silva,C. Soave,P. Sonderegger,X. Tarrago,Petar Temnikov,N.S. Topilskaya,G. L. Usai,C. Vale,Ermanno Vercellin,N. Willis +89 more
TL;DR: In this paper, the Drell-Yan and J ψ cross-sections measured in PbPb collisions are compared with the values extrapolated from the results obtained in proton and light ion induced reactions.
Journal ArticleDOI
Observation of a threshold effect in the anomalous J/ψ suppression
M.C. Abreu,Bruno Alessandro,Calin Alexa,Roberta Arnaldi,J. Astruc,M. Atayan,C. Baglin,A. Baldit,M. Bedjidian,F. Bellaiche,Stefania Beole,V. Boldea,P. Bordalo,A. Bussiere,V. Capony,L. Casagrande,J. Castor,T. Chambon,B. Chaurand,I. Chevrot,Brigitte Cheynis,E. Chiavassa,Corrado Cicalo,M. P. Comets,N. Constans,Serban Constantinescu,João Cruz,A. De Falco,G. Dellacasa,N. De Marco,A. Devaux,Sanda Dita,O. Drapier,B. Espagnon,J. Fargeix,S. Filippov,François Fleuret,P. Force,Mauro Gallio,Lau Gatignon,Y.K. Gavrilov,C. Gerschel,Paolo Giubellino,M.B. Golubeva,M. Gonin,A.A. Grigorian,J.-Y. Grossiord,F.F. Guber,A. Guichard,H.R. Gulkanyan,R. Hakobyan,R. Haroutunian,Marek Idzik,D. Jouan,T.L. Karavitcheva,L. Kluberg,Alexey Kurepin,Y. Le Bornec,Carlos Lourenco,L. Luquin,M. Mac Cormick,P. Macciotta,A. Marzari-Chiesa,Massimo Masera,A. Masoni,S Mehrabyan,Marco Monteno,S. Mourgues,A. Musso,F. Ohlsson-Malek,P. Petiau,A. Piccotti,J.-R. Pizzi,W.L. Prado da Silva,F. Prino,G. Puddu,C. Quintans,C. Racca,Luciano Ramello,S. Ramos,P. Rato-Mendes,L. Riccati,A. Romana,I. Ropotar,P. Saturnini,Enrico Scomparin,Sergio Serci,Ruben Shahoyan,S. Silva,Mario Sitta,C. Soave,P. Sonderegger,X. Tarrago,Petar Temnikov,N.S. Topilskaya,G. L. Usai,Ermanno Vercellin,N. Willis +97 more
TL;DR: In this paper, a phase transition from ordinary nuclear matter to a state of deconfined quarks and gluons as predicted by lattice QCD calculations was found in central Pb-Pb collisions.
Journal ArticleDOI
J/psi and Drell-Yan cross-sections in Pb-Pb interactions at 158 GeV/c per nucleon
M.C. Abreu,Bruno Alessandro,Calin Alexa,J. Astruc,C. Baglin,A. Baldit,M. Bedjidian,F. Bellaiche,Stefania Beole,V. Boldea,G. Bonazzola,P. Bordalo,A. Borhani,A. Bussiere,V. Capony,J. Castor,T. Chambon,B. Chaurand,I. Chevrot,B. Cheynis,E. Chiavassa,Corrado Cicalo,Serban Constantinescu,João Cruz,Wladyslaw Dabrowski,A. De Falco,G. Dellacasa,N. De Marco,A. Devaux,Sanda Dita,O. Drapier,B. Espagnon,J. Fargiex,François Fleuret,P. Force,Mauro Gallio,L. Gatignon,Y.K. Gavrilov,C. Gerschel,Paolo Giubellino,M.B. Golubeva,M. Gonin,Ph. Gorodetzky,J.Y. Grossiord,P. Guaita,F.F. Guber,A. Guichard,R. Haroutunian,Marek Idzik,D. Jouan,T.L. Karavitcheva,L. Kluberg,A. B. Kurepin,G. Landaud,Y. Le Bornec,Carlos Lourenco,L. Luquin,P. Macciotta,A. Marzari-Chiesa,Massimo Masera,A. Masoni,S. Mourgues,A. Musso,F. Ohlsson-Malek,P. Petiau,A. Piccotti,J.R. Pizzi,W.L. Prado da Silva,G. Puddu,C. Quintans,C. Racca,L. Ramello,S. Ramos,P. Rato-Mendes,L. Riccati,A. Romana,S. Sartori,P. Saturnini,Enrico Scomparin,Sergio Serci,S. Silva,C. Soave,P. Sonderegger,X. Tarrago,Petar Temnikov,N.S. Topilskaya,G. L. Usai,C. Vale,Ermanno Vercellin,N. Willis +89 more
TL;DR: In this paper, the Drell-Yan cross-sections in Pb reactions at 158 GeV/c per nucleon were studied as a function of the impact parameter of the collision estimated from the measured transverse energy.
Journal ArticleDOI
Charmonium production and nuclear absorption in p-A interactions at 450 GeV
Bruno Alessandro,Calin Alexa,Roberta Arnaldi,M. Atayan,C. Baglin,A. Baldit,S. Beole,V. Boldea,P. Bordalo,S. Borenstein,C. Borges,A. Bussiere,L. Capelli,C. Castanier,J. Castor,B. Chaurand,Brigitte Cheynis,E. Chiavassa,Corrado Cicalo,T. Claudino,M.P. Comets,N. Constans,Serban Constantinescu,Pietro Cortese,João Cruz,A. De Falco,N. De Marco,G. Dellacasa,A. Devaux,Sanda Dita,O. Drapier,Bruno Espagnon,J. Fargeix,P. Force,Mauro Gallio,C. Gerschel,Paolo Giubellino,M.B. Golubeva,M. Gonin,A.A. Grigorian,S. Grigorian,J.-Y. Grossiord,F.F. Guber,A. Guichard,H.R. Gulkanyan,Marek Idzik,D. Jouan,T.L. Karavitcheva,L. Kluberg,Alexey Kurepin,Y. Le Bornec,Carlos Lourenco,P. Macciotta,M. Mac Cormick,A. Marzari-Chiesa,M. Masera,Alberto Masoni,Marco Monteno,A. Musso,P. Petiau,A. Picotti,J.-R. Pizzi,F. Prino,G. Puddu,C. Quintans,Luciano Ramello,S. Ramos,P. Rato-Mendes,L. Riccati,A. Romana,Helena Santos,P. Saturnini,P. Scomparin,S. Serci,Ruben Shahoyan,F. Sigaudo,Mario Sitta,P. Sonderegger,X. Tarrago,N.S. Topilskaya,G. L. Usai,Ermanno Vercellin,L. Villatte,N. Willis +83 more
TL;DR: In this paper, the production of J/ψ and ψ � charmonium states in proton-nucleus interactions has been investigated by the NA50 experiment, at the CERN SPS.