M
M. Richter
Researcher at Heidelberg University
Publications - 12
Citations - 544
M. Richter is an academic researcher from Heidelberg University. The author has contributed to research in topics: Pair production & Meson. The author has an hindex of 9, co-authored 12 publications receiving 540 citations.
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Journal ArticleDOI
Low-mass e+e− pair production in 158 A GeV Pb-Au collisions at the CERN SPS, its dependence on multiplicity and transverse momentum
G. Agakichiev,R. Baur,Peter Braun-Munzinger,F. Ceretto,A. Drees,S. Esumi,U. Faschingbauer,U. Faschingbauer,Z. Fraenkel,Ch. Fuchs,E. Gatti,Peter Glassel,C.P. de los Heros,P. Holl,Ch. Jung,B. Lenkeit,M. Messer,Y. Panebrattsev,A. Pfeiffer,J. Rak,I. Ravinovich,S. Razin,Pavel Rehak,M. Richter,Marco Sampietro,N. Saveljic,Jurgen Schukraft,S. Shimansky,W. Seipp,E. Socol,H. J. Specht,Johanna Stachel,G. Tel-Zur,I. Tserruya,Th. Ullrich,C. Voigt,C. Weber,Johannes Peter Wessels,T. Wienold,J.P. Wurm,V. I. Yurevich +40 more
TL;DR: In this paper, a measurement of low-mass electron pairs observed in 158 GeV/nucleon Pb-Au collisions is reported, where the pair yield integrated over the range of invariant masses 0.2 ≤ m ≤ 2.0 GeV 2 is enhanced by a factor of 3.5 ± 0.4 (stat) ± 1.9 (syst) over the expectation from neutral meson decays.
Journal ArticleDOI
e+e--pair production in Pb-Au collisions at 158 GeV per nucleon
G. Agakichiev,H. Appelshäuser,J. Bielcikova,R. Baur,Peter Braun-Munzinger,A. Cherlin,S. Damjanovic,A. Drees,S. Esumi,U. Faschingbauer,Z. Fraenkel,E. Gatti,Peter Glassel,G. Hering,C.P. de los Heros,Peter Holl,B. Lenkeit,Ana Maria Marin,F. Messer,M. Messer,Dariusz Czeslaw Miskowiec,O. Nix,Andreas Pfeiffer,Jan Rak,I. Ravinovich,S. Razin,Pavel Rehak,M. Richter,Marco Sampietro,H. Sako,N. Saveljic,W. Schmitz,Jurgen Schukraft,W. Seipp,S. Shimanskiy,E. Socol,H. J. Specht,Johanna Stachel,G. Tel-Zur,I. Tserruya,T. Ullrich,C. Voigt,Sergey Voloshin,C. Weber,J. P. Wessels,T. Wienold,J.P. Wurm,V. I. Yurevich +47 more
TL;DR: In this article, the combined results on electron-pair production in 158 GeV/n {Pb-Au} ($\sqrt{s}$= 17.2 GeV) collisions taken at the CERN SPS in 1995 and 1996 were presented.
Journal ArticleDOI
e + e − -pair production in Pb-Au collisions at 158 GeV per nucleon
G. Agakichiev,J. Bielcikova,R. Baur,Peter Braun-Munzinger,A. Cherlin,S. Damjanovic,A. Drees,S. Esumi,U. Faschingbauer,Z. Fraenkel,E. Gatti,G. Hering,Peter Holl,B. Lenkeit,F. Messer,M. Messer,O. Nix,Andreas Pfeiffer,Jan Rak,I. Ravinovich,S. Razin,Pavel Rehak,M. Richter,Marco Sampietro,H. Sako,N. Saveljic,W. Schmitz,Jurgen Schukraft,W. Seipp,S. Shimanskiy,E. Socol,Johanna Stachel,G. Tel-Zur,I. Tserruya,T. Ullrich,C. Voigt,Sergey Voloshin,C. Weber,T. Wienold,V. I. Yurevich +39 more
TL;DR: In this article, the combined results on electron-pair production in 158GeV/n Pb-Au ( √ s=17.2 GeV) collisions taken at the CERN SPS in 1995 and 1996 were presented.
Journal ArticleDOI
Recent results from Pb - Au collisions at 158-GeV/c per nucleon obtained with the CERES spectrometer
B. Lenkeit,G. Agakichiev,H. Appelshäuser,R. Baur,Peter Braun-Munzinger,F. Ceretto,A. Cherlin,A. Drees,S. I. Esumi,U. Faschingbauer,U. Faschingbauer,Z. Fraenkel,Peter Glassel,G. Hering,P. Holl,Ch. Jung,A. Marín,M. Messer,Dariusz Czeslaw Miskowiec,Y. Panebrattsev,A. Pfeiffer,J. Rak,I. Ravinovich,S. Razin,Pavel Rehak,M. Richter,N. Saveljic,W. Schmitz,Jurgen Schukraft,W. Seipp,S. Shimanskiy,J. Slivova,E. Socol,H. J. Specht,Johanna Stachel,I. Tserruya,Th. Ullrich,C. Voigt,S. Voloshin,C. Weber,Johannes Peter Wessels,T. Wienold,J.P. Wurm,V. I. Yurevich +43 more
TL;DR: In this article, the results of the low-mass e + e − − -pair analysis are presented. But the most critical item is the poor signal-to-background ratio, which is discussed with the help of a detailed Monte Carlo simulation.
Journal ArticleDOI
Hadron physics with CERES: spectra and collective flow
Federica Ceretto,Federica Ceretto,G. Agakichiev,G. Agakichiev,H. Appelshäuser,H. Appelshäuser,R. Baur,R. Baur,P. Braun-Munzinger,P. Braun-Munzinger,F. Ceretto,F. Ceretto,A. Cherlin,A. Cherlin,A. Cherlin,A. Drees,A. Drees,P. Ernst,P. Ernst,S. Esumi,S. Esumi,U. Faschingbauer,Z. Fraenkel,Z. Fraenkel,Z. Fraenkel,Ch. Fuchs,Ch. Fuchs,Ch. Fuchs,E. Gatti,E. Gatti,E. Gatti,P. Glässel,P. Glässel,C.P. de los Heros,C.P. de los Heros,C.P. de los Heros,G. Hering,G. Hering,P. Holl,P. Holl,P. Holl,Ch. Jung,Ch. Jung,B. Lenkeit,B. Lenkeit,A. Marín,M. Messer,Dariusz Czeslaw Miskowiec,O. Nix,Y. Panebrattsev,A. Pfeiffer,J. Rak,I. Ravinovich,S. Razin,Pavel Rehak,M. Richter,Marco Sampietro,N. Saveljic,W. Schmitz,Jurgen Schukraft,W. Seipp,Archana Sharma,S. Shimanskiy,E. Socol,H. J. Specht,Johanna Stachel,P. Stiller,G. Tel-Zur,H. Tilsner,I. Tserruya,Th. Ullrich,C. Voigt,S. Voloshin,C. Weber,Johannes Peter Wessels,Th. Wienold,B. Windelband,J.P. Wurm,V. I. Yurevich +78 more
TL;DR: In this paper, the transverse mass spectra of identified pions and negative hadrons as well as the positive charge excess obtained by subtracting the negative particle distribution from that of positive tracks have been measured by the CERES experiment at the CERN SPS.