H
Hl Krasemann
Researcher at University of Hamburg
Publications - 50
Citations - 1415
Hl Krasemann is an academic researcher from University of Hamburg. The author has contributed to research in topics: Electron–positron annihilation & Annihilation. The author has an hindex of 26, co-authored 50 publications receiving 1393 citations.
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Journal ArticleDOI
Jet Production and Fragmentation in E+e- Annihilation at 12-43 Gev
M. Althoff,W. Braunschweig,F. J. Kirschfink,K. Lübelsmeyer,H. U. Martyn,G. Peise,J. Rimkus,P. Rosskamp,H. G. Sander,D.W. Schmitz,H. Siebke,W. Wallraff,H. M. Fischer,H. Hartmann,Walter Dr. Hillen,A. Joksch,G. Knop,L. Köpke,Hermann Kolanoski,H. Kück,V. Mertens,R. Wedemeyer,Norbert Wermes,M. Wollstadt,Y. Eisenberg,K. Gather,H. Hultschig,P. Joos,W. Koch,U. Kötz,H. Kowalski,A. Ladage,B. Löhr,D. Lüke,P. Mättig,D. Notz,R. J. Nowak,J. Pyrlik,D. R. Quarrie,M. Rushton,W. Schütte,D. Trines,Gy. Wolf,Ch. Xiao,R. Fohrmann,E. Hilger,T. Kracht,Hl Krasemann,P. Leu,E. Lohrmann,D. Pandoulas,G. Poelz,K. U. Pösnecker,B. H. Wiik,R. Beuselinck,D. M. Binnie,A. J. Campbell,P. J. Dornan,B. Foster,D. A. Garbutt,C. Jenkins,T. D. Jones,W. G. Jones,J. McCardle,J. K. Sedgbeer,J. Thomas,W. A. T. Wan Abdullah,K. W. Bell,M. G. Bowler,Philip Bull,R. J. Cashmore,Peter Clarke,R.C.E. Devenish,P. Grossmann,C. M. Hawkes,S. L. Lloyd,Gl Salmon,T. R. Wyatt,C. Youngman,G. E. Forden,John Hart,J. Harvey,D. K. Hasell,J. Proudfoot,D. H. Saxon,P. L. Woodworth,Fernando Barreiro,Michael Dittmar,M. Holder,B. Neumann,Ehud Duchovni,U. Karshon,Giora Mikenberg,R. Mir,D. Revel,E.E. Ronat,A. Shapira,G. Yekutieli,G. Baranko,T. Barklow,A. Caldwell,M. Cherney,Joseph Izen,M. Mermikides,G. Rudolph,D. Strom,H. Venkataramania,E. Wicklund,Sau Lan Wu,Georg Zobernig +109 more
TL;DR: In this article, the general properties of jets produced by E+e− annihilation were studied with charged particles for c.m. energies between 12 and 43 GeV and the multiplicity distributions for the overall event as well as for each event hemisphere satisfy KNO scaling to within ∼20%.
Journal ArticleDOI
Charged hadron composition of the final-state in e+e- annihilation at high-energies
M. Althoff,R. Brandelik,W. Braunschweig,K. Gather,F. J. Kirschfink,K. Lübelsmeyer,H. U. Martyn,G. Peise,J. Rimkus,H. G. Sander,D.W. Schmitz,H. Siebke,D. Trines,W. Wallraff,H. Boerner,H. M. Fischer,H. Hartmann,E. Hilger,Walter Dr. Hillen,G. Knop,L. Köpke,Hermann Kolanoski,H. Kück,R. Wedemeyer,Norbert Wermes,M. Wollstadt,H. Burkhardt,S. J. Cooper,J. Franzke,H. Hultschig,P. Joos,W. Koch,U. Kötz,H. Kowalski,A. Ladage,B. Löhr,D. Lüke,P. Mättig,K. H. Mess,D. Notz,J. Pyrlik,D. R. Quarrie,R. Riethmüller,W. Schütte,P. Söding,Gy. Wolf,G. Yekutieli,R. Fohrmann,Hl Krasemann,P. Leu,E. Lohrmann,D. Pandoulas,G. Poelz,O. Römer,P. Schmüser,B. H. Wiik,I. Al-Agil,R. Beuselinck,D. M. Binnie,A. J. Campbell,P. J. Dornan,D. A. Garbutt,T. D. Jones,W. G. Jones,Stephen Lloyd,J. McCardle,J. K. Sedgebeer,K. W. Bell,M. G. Bowler,I. C. Brock,Rj Cashmore,R. Carnegie,P. E. L. Clarke,R.C.E. Devenish,P. Grossmann,John Illingworth,Gl Salmon,Juergen Thomas,T. R. Wyatt,C. Youngman,B. Foster,John Hart,J. Harvey,J. Proudfoot,D. H. Saxon,P. L. Woodworth,D. Heyland,M. Holder,Ehud Duchovni,Y. Eisenberg,U. Karshon,Giora Mikenberg,D. Revel,E.E. Ronat,A. Shapira,T. Barklow,John Freeman,P. Lecomte,T. Meyer,G. Rudolph,H. Venkataramania,E. Wicklund,Sau Lan Wu,Georg Zobernig +103 more
TL;DR: In this paper, the production of π± and K± mesons and of protons and antiprotons ine+e− annihilation has been measured at c.m. energies of W=14, 22 and 34GeV.
Journal ArticleDOI
Pion, kaon and proton cross sections ine + e − annihilation at 34 GeV and 44 GeV c.m. energy
W. Braunschweig,R. Gerhards,F. J. Kirschfink,H. U. Martyn,B. Bock,H. M. Fischer,H. Hartmann,Jens Hartmann,E. Hilger,A. Jocksch,R. Wedemeyer,B. Foster,A. J. Martin,A. J. Sephton,Fernando Barreiro,E. Bernardi,Janusz Chwastowski,A. Eskreys,K. Gather,K. Genser,H. Hultschig,P. Joos,H. Kowalski,A. Ladage,B. Löhr,D. Lüke,P. Mättig,D. Notz,J. M. Pawlak,K. U. Pösnecker,Eduardo Ros,D. Trines,R. Walczak,Guenter Wolf,Hermann Kolanoski,W. Gerhardt,T. Kracht,Hl Krasemann,J. Krüger,E. Lohrmann,G. Poelz,P. Rehders,G. Tysarczyk,C. Winand,Wolfram Dietrich Zeuner,D. M. Binnie,John Hassard,J. Shulman,D. Su,A. Leites,J. Del Peso,C. Balkwill,M. G. Bowler,Philip Burrows,R. J. Cashmore,G. P. Heath,P. N. Ratoff,I. M. Silvester,I. R. Tomalin,M. E. Veitch,G. E. Forden,John Hart,D. H. Saxon,Stephanie Brandt,M. Holder,L. Labarga,Y. Eisenberg,U. Karshon,G. Mikenberg,A. Montag,D. Revel,E.E. Ronat,A. Shapira,N. Wainer,G. Yekutieli,A. Caldwell,D. Muller,S. Ritz,D. Strom,M. Takashima,E. Wicklund,Sau Lan Wu,Georg Zobernig +82 more
TL;DR: In this paper, the authors measured π± and K± mesons and of protons and antiprotons ine+e− annihilations at 34 GeV and 44 GeV center of mass energy.
Journal ArticleDOI
A measurement of σtot(e+e− → hadrons) for cm energies between 12.0 and 36.7 GeV
R. Brandelik,W. Braunschweig,K. Gather,F. J. Kirschfink,K. Lübelsmeyer,H. U. Martyn,G. Peise,J. Rimkus,H. G. Sander,D.W. Schmitz,D. Trines,W. Wallraff,H. Boerner,H. M. Fischer,H. Hartmann,E. Hilger,Walter Dr. Hillen,G. Knop,L. Köpke,Hermann Kolanoski,B. Löhr,R. Wedemeyer,Norbert Wermes,M. Wollstadt,H. Burkhardt,S. Cooper,J. Franzke,D. Heyland,H. Hultschig,P. Joos,W. Koch,U. Kötz,H. Kowalski,A. Ladage,D. Lüke,H. L. Lynch,P. Mättig,K. H. Mess,D. Notz,J. Pyrlik,D. R. Quarrie,R. Riethmüller,W. Schütte,P. Söding,Gy. Wolf,R. Fohrmann,Hl Krasemann,P. Leu,D. Pandoulas,G. Poelz,O. Römer,P. Schmüser,B. H. Wiik,I. Al-Agil,R. Beuselinck,D. M. Binnie,A. J. Campbell,P. J. Dornan,D. A. Garbutt,T. D. Jones,W. G. Jones,Sl Lloyd,J. Sedgbeer,RA Stern,S Yarker,K. W. Bell,M. G. Bowler,I. C. Brock,Rj Cashmore,R. Carnegie,R.C.E. Devenish,P. Grossmann,John Illingworth,M. Ogg,Gl Salmon,Juergen Thomas,T. R. Wyatt,C. Youngman,B. Foster,J. C. Hart,J. Harvey,J. Proudfoot,D. H. Saxon,P. L. Woodworth,M. Holder,Ehud Duchovni,Y. Eisenberg,U. Karshon,Giora Mikenberg,D. Revel,E.E. Ronat,A. Shapira,T. Barklow,John Freeman,T. Meyer,G. Rudolph,E. Wicklund,Sau Lan Wu,Georg Zobernig +98 more
TL;DR: The ration R = σ (e + e − → hadrons) σ μμ was measured between 12.0 and 36.7 GeV c.m. energy with a precision of typically ± 5.2% as discussed by the authors.
Journal ArticleDOI
D∗± production by e+e− annihilation near 34.4 GeV cm energy
M. Althoff,W. Braunschweig,K. Gather,F. J. Kirschfink,K. Lübelsmeyer,H. U. Martyn,G. Peise,J. Rimkus,H. G. Sander,D.W. Schmitz,H. Siebke,D. Trines,W. Wallraff,H. M. Fischer,H. Hartmann,E. Hilger,Walter Dr. Hillen,G. Knop,L. Köpke,Hermann Kolanoski,H. Kück,R. Wedemeyer,Norbert Wermes,M. Wollstadt,H. Burkhardt,H. Hultschig,P. Joos,W. Koch,U. Kötz,H. Kowalski,A. Ladage,B. Löhr,D. Lüke,P. Mättig,K. H. Mess,D. Notz,J. Pyrlik,D. R. Quarrie,R. Riethmüller,A. M. Rushton,W. Schütte,Gy. Wolf,G. Yekutieli,R. Fohrmann,Hl Krasemann,P. Leu,E. Lohrmann,D. Pandoulas,G. Poelz,B. H. Wiik,I. Al-Agil,R. Beuselinck,D. M. Binnie,A. J. Campbell,P. J. Dornan,B. Foster,D. A. Garbutt,T. D. Jones,W. G. Jones,J. McCardle,J. K. Sedgbeer,K. W. Bell,M. G. Bowler,I. C. Brock,R. J. Cashmore,P. E. L. Clarke,R.C.E. Devenish,P. Grossmann,Stephen Lloyd,Gl Salmon,Juergen Thomas,T. R. Wyatt,C. Youngman,John Hart,J. Harvey,J. Proudfoot,D. H. Saxon,P. L. Woodworth,D. Heyland,M. Holder,M. Dittmar,Ehud Duchovni,Y. Eisenberg,D. Hochman,U. Karshon,G. Mikenberg,R. Mir,D. Revel,E.E. Ronat,A. Shapira,T. Barklow,M. Cherney,Joseph Izen,G. Rudolph,D. Strom,H. Venkataramania,E. Wicklund,Lan Wu Sau Lan Wu,Georg Zobernig +98 more
TL;DR: The D∗± energy spectrum is hard, with a maximum near χ = 0.6. as discussed by the authors showed that a large fraction of charm quark production yields D ∗ mesons, which is consistent with that expected in the standard theory for weak neutral currents.