H. Ströbele
Goethe University Frankfurt
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Featured researches published by H. Ströbele.
Physical Review C | 2002
S. Afanasiev; I.K. Yoo; E. Gładysz; V. Eckardt; Z. Fodor; N. Schmitz; Peter Graham Jones; J. Zaranek; J. G. Reid; J. Sziklai; J. Bartke; K. Kadija; V. Friese; F. Sikler; P. Csato; M. Vassiliou; H. Bialkowska; G. Georgopoulos; M. Behler; H.G. Fischer; V. Kolesnikov; K. Perl; L. Pinsky; C. Blume; J. G. Cramer; A. Panagiotou; C. Markert; B. Mayes; G.T.A. Squier; D. Barna
Measurements of charged pion and kaon production in central Pb+Pb collisions at 40, 80 and 158 AGeV are presented. These are compared with data at lower and higher energies as well as with results from p+p interactions. The mean pion multiplicity per wounded nucleon increases approximately linearly with s_NN^1/4 with a change of slope starting in the region 15-40 AGeV. The change from pion suppression with respect to p+p interactions, as observed at low collision energies, to pion enhancement at high energies occurs at about 40 AGeV. A non-monotonic energy dependence of the ratio of K^+ to pi^+ yields is observed, with a maximum close to 40 AGeV and an indication of a nearly constant value at higher energies.The measured dependences may be related to an increase of the entropy production and a decrease of the strangeness to entropy ratio in central Pb+Pb collisions in the low SPS energy range, which is consistent with the hypothesis that a transient state of deconfined matter is created above these energies. Other interpretations of the data are also discussed.
Physical Review Letters | 2004
C. Alt; T. Antičić; B. Baatar; D. Barna; J. Bartke; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; B. Boimska; Michiel Botje; J. Bracinik; R. Bramm; R. Brun; P. Buncic; V. Cerny; P. Christakoglou; O. Chvala; J. G. Cramer; P. Csato; N. Darmenov; A. Dimitrov; P. Dinkelaker; V. Eckardt; G. Farantatos; P. Filip; D. Flierl; Z. Fodor; P. Foka; P. Freund
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 shown for the existence of a narrow Xi- pi- baryon resonance with mass of 1.862+/-0.002 GeV/c^2 and width below the detector resolution of about 0.018 GeV/c^2. The significance is estimated to be 4.0 sigma. This state is a candidate for the hypothetical exotic Xi_(3/2)^-- baryon with S = -2, I = 3/2 and a quark content of (d s d s ubar). At the same mass a peak is observed in the Xi- pi+ spectrum which is a candidate for the Xi_(3/2)^0 member of this isospin quartet with a quark content of (d s u s dbar). The corresponding antibaryon spectra also show enhancements at the same invariant mass.
Physical Review Letters | 1999
F. Laue; M. Debowski; L. Naumann; Christian Thomas Sturm; F. Pühlhofer; H. Oeschler; H. Ströbele; A. Wagner; J. Speer; F. Uhlig; P. Senger; P. Koczon; A. Förster; G. Surowka; B. Kohlmeyer; M. Mang; E. Schwab; Y. Shin; E. Grosse; I. Böttcher; W. Walus
Production cross sections of
European Physical Journal A | 1990
J. Bartke; H. Bialkowska; R. Bock; R. Brockmann; S. I. Chase; I. Derado; V. Eckardt; J. Eschke; C. Favuzzi; D. Ferenc; B. Fleischmann; M. Fuchs; M. Gazdzicki; H.J. Gebauer; E. Gladysz; C. Guerra; O. Hansen; John William Harris; W. Heck; T. J. Humanic; K. Kadija; S. Kabana; A. Karabarbounis; K. Keidel; J. Kosiec; M. Kowalski; A. Kühmichel; M. Lahanas; J.Y. Lee; M. J. LeVine
{K}^{+}
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1993
P. Senger; W. Ahner; P. Baltes; P. Beckerle; C. Bormann; D. Brill; M. Cieślak; E. Grosse; W. Henning; P. Koczon; B. Kohlmeyer; W. Konrad; D. Miśkowiec; C. Müntz; H. Oeschler; H. Pöppl; W. Prokopowicz; F. Pühlhofer; S. Sartorius; R. Schicker; B. Schlei; E. Schwab; Y. Shin; J. Speer; J. Stein; K.E. Stiebing; Reinhard Stock; H. Ströbele; C. Sturm; K. Völkel
and
Physics Letters B | 2010
G. Agakichiev; A. Balanda; D. Belver; A.V. Belyaev; A. Blanco; M. Böhmer; J. L. Boyard; P. Braun-Munzinger; P. Cabanelas; E. Castro; S. Chernenko; T. Christ; M. Destefanis; J. Diaz; F. Dohrmann; A. Dybczak; L. Fabbietti; O. Fateev; P. Finocchiaro; P. Fonte; J. Friese; I. Fröhlich; T. Galatyuk; J. A. Garzón; R. Gernhäuser; A. Gil; C. Gilardi; K. Göbel; M. Golubeva; D. González-Díaz
{K}^{\ensuremath{-}}
Physical Review Letters | 1998
Y. Shin; M. Cieslak; F. Pühlhofer; R. Schicker; M. Mang; E. Schwab; Christian Thomas Sturm; D. Miskowiec; D. Brill; K. Völkel; R. Barth; M. Debowski; B. Kohlmeyer; W. Walus; P. Senger; C. Müntz; E. Grosse; P. Beckerle; H. Oeschler; H. Ströbele; A. Wagner; J. Speer; P. Koczon; W. Ahner
mesons have been measured in
Nuclear Physics | 1989
John William Harris; A. Bamberger; D. Bangert; J. Bartke; H. Bialkowska; R. Bock; R. Brockmann; S.I. Chase; C. De Marzo; M. De Palma; I. Derado; V. Eckardt; C. Favuzzi; J. Fendt; D. Ferenc; H. Fessier; P. Freund; M. Gazdzicki; H.J. Gebauer; K. Geissler; E. Gladysz; C. Guerra; J.W. Harris; W. Heck; T. J. Humanic; K. Kadija; A. Karabarbounis; R. Keidel; J. Kosiec; M. Kowalski
\mathrm{C}+\mathrm{C}
Physics Letters B | 2015
G. Agakishiev; O. W. Arnold; D. Belver; Alexander Belyaev; J.C. Berger-Chen; A. Blanco; M. Böhmer; J. L. Boyard; P. Cabanelas; S. Chernenko; A. Dybczak; E. Epple; L. Fabbietti; O. Fateev; P. Finocchiaro; P. Fonte; J. Friese; I. Fröhlich; T. Galatyuk; J. A. Garzón; R. Gernhäuser; K. Göbel; M. Golubeva; D. González-Díaz; F. Guber; M. Gumberidze; T. Heinz; T. Hennino; R. Holzmann; A. Ierusalimov
collisions at beam energies per nucleon below and near the nucleon-nucleon threshold. At a given beam energy, the spectral slopes of the
Physics Letters B | 2002
S. Afanasiev; T. Antičić; D. Barna; J. Bartke; R.A. Barton; L. Betev; H. Bialkowska; A. Billmeier; C. Blume; C. O. Blyth; B. Boimska; M. Botje; J. Bracinik; R. Bramm; R. Brun; P. Buncic; V. Cerny; J. G. Cramer; P. Csato; P. Dinkelaker; V. Eckardt; P. Filip; H.G. Fischer; Z. Fodor; P. Foka; P. Freund; V. Friese; J. Gal; M. Gaździcki; G. Georgopoulos
{K}^{\ensuremath{-}}