B
B. Powell
Researcher at CERN
Publications - 23
Citations - 310
B. Powell is an academic researcher from CERN. The author has contributed to research in topics: Nucleon & Rapidity. The author has an hindex of 10, co-authored 23 publications receiving 308 citations.
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Journal ArticleDOI
The European Hybrid Spectrometer - a facility to study multihadron events produced in high energy interactions
Manuel Aguilar-Benitez,W.W.M. Allison,Paolo Bagnaia,P. Bähler,L. Barone,W. Bartil,J.L. Bénichou,A. Bergier,Alessandro Bettini,M. Boratav,B. Brooks,F. Bruyant,E. Di Capua,Edoardo Castelli,S. Centro,G. Chanel,Paolo Checchia,D. Crennel,P. Dow,J. Duboc,M. Dykes,F. Etienne,P. Ferran,C. Fischer,R. Frühwirth,A. Fucci,P. Gällnö,C. Geles,S. Gentile,M. De Giorgi,A. Guiard-Marigny,D. Gusewell,P. Van Hal,F. Hartjes,A Hervé,S. O. Holmgren,Josef Hrubec,P. Hughes,M. Van Immerseel,D.A. Jacobs,K.E. Johansson,J. Kesteman,A. G. Kholodenko,E. P. Kistenev,S. Kitamura,W. Kittel,P. Ladron de Guevara,P. Lecoq,H. Leutz,J. M. Lesceux,T. Lingjaerde,C. Ljuslin,J. C. Marin,M. Mazzucato,N. G. Minaev,T. Moa,L. Montanet,G. Neuhofer,D. Pascoli,G. Passardi,M. Pernicka,O. Pingot,G. Piredda,B. F. Poljakov,A. Poppleton,P. Poropat,B. Powell,F. Prent,M. Regler,S. Reucroft,L. Robb,Paolo Rossi,R. Settles,P. D. Shield,A. Stergiou,J. Tischhauser,D. Z. Toet,M. C. Touboul,C. Troncon,L. Ventura,C. Willmott,F. Wittgenstein,D. Zanello,L. Zanello,Pierluigi Zotto,Gianni Zumerle +85 more
TL;DR: In this article, the performance of the small hydrogen bubble chamber LEBC and the detectors of the spectrometer is discussed, in particular the combination of the bubble chamber information with the Spectrometer data is described in detail.
Journal ArticleDOI
Strangeness production at mid-rapidity in S + Pb collisions at 200 GeV/c per nucleon☆
E. Andersen,P.D. Barnes,R. Blaes,M. Cherney,B. De La Cruz,G. Diebold,B. Dulny,C. Fernandez,G. B. Franklin,C. Garabatos,J. A. Garzón,W. M. Geist,D.E. Greiner,C. Gruhn,M. Hafidouni,Josef Hrubec,Peter Graham Jones,E.G. Judd,J.P.M. Kuipers,M. Ladrem,P. Ladron de Guevara,G. Løvhøiden,J. MacNaughton,J. Mosquera,Z. Natkaniec,J. M. Nelson,G. Neuhofer,W.C. Ogle,C. Pérez de los Heros,M. Plo,P. Porth,B. Powell,B. P. Quinn,Alberto Ramil,Herbert Rohringer,I. Sakrejda,T.F. Thorsteinsen,J. Traxler,C. Voltolini,Krzysztof Wozniak,A. Yañez,Y. Yee,R. Zybert +42 more
TL;DR: In this article, a source of unusually high strangeness content located at mid-rapidity in 200 GeV/c per nucleon collisions of 32 S projectiles with a Pb target is presented.
Journal ArticleDOI
The EHS lead-glass calorimeters and their laser based monitoring system
B. Powell,R. Heller,N. Ibold,K. R. Schubert,J. Stiewe,M. Vysocansky,M. Mazzucato,P. Rossi,L. Ventura,Gianni Zumerle,M. Boratav,J. Duboc,J. Passeneau,M. C. Touboul,P. Bagnaia,C. Dionisi,D. Zanello,L. Zanello,V. M. Bujanov,Y. V. Fisjak,A. G. Kholodenko,E. P. Kistenev,B. F. Poljakov,Edoardo Castelli,Paolo Checchia,C. Troncon +25 more
TL;DR: In this paper, two gamma detectors built for the European Hybrid Spectrometer (EHS) were described and their monitoring system is presented in detail Results from tests and the performance obtained during the first EHS experiment are given.
Journal ArticleDOI
The European hybrid spectrometer
M. Aguilar-Benitez,W.W.M. Allison,A. De Angelis,M. Atkinsson,J. L. Bailly,W. Bartl,M. Begalli,Alessandro Bettini,R. Bizzarri,C.B. Brooks,Rene Brun,V. Canale,E. Dicapua,C. Caso,Edoardo Castelli,P. Checcia,N. Colino,S. J. Colwill,R. Contri,D. Crennell,C. Defoix,F. Diez-Hedo,J. Dolbeau,J. Duboc,J. Dumarchez,I. Duran,B. Epp,M. Eriksson,S. Falciano,C. Fernandez,C. Fisher,Yu. Fisjak,F. Fontanelli,Ugo Gasparini,A. Gurtu,U. Gensch,Simonetta Gentile,D. B. Gibaut,L. Haupt,Sten Hellman,J. J. Hernandez,P. Herquet,A Hervé,S-O. Holmgren,Josef Hrubec,P. Hughes,D. Huss,M. Iori,Y.M. Ivanyushenkov,E. Jegham,K. E. Johansson,M. I. Josa,J. Kesteman,A. G. Kholodenko,E. P. Kistenev,D. Knauss,P. Ladron de Guevara,H. Leutz,M. MacDermott,M. Mazzucato,A. Michalon,M.E. Michalon-Mentzer,N. G. Minaev,Torbjoern Moa,R. Monge,L. Montanet,T. Naumann,G. Neuhofer,S. Nilsson,H. Nowak,G. Otter,R. Ouared,J. Panella,M. Pernicka,O. Pingot,G. Piredda,K. Sudhakar,B. Polyakov,Alan Poppleton,P. Poropat,B. Powell,S. Reucroft,H. Rohringer,A. Roth,J. Salicio,J. Schmidmeyer,Reinhard W. Schulte,B. Sellden,M. Sessa,P.D. Shields,S. Squarcia,E.A. Starchenko,W. Strusczinski,M. C. Touboul,U. Trevisan,C. Troncon,L. Ventura,Pierre Vilain,Evgueni Vlasov,C. Voltolini,B. Vonck,P. R. S. Wright,Gianni Zumerle +102 more
TL;DR: The European hybrid spectrometer (EHS) was used in the NA27 experiment to study charm particles produced in 360 GeV c π-p and 400 GeVc pp interactions.
Journal ArticleDOI
Inclusiveπ° production in 360 GeVpp interactions using the european hybrid spectrometer
J. L. Bailly,W. Bartl,F. Bruyant,W. M. Bugg,C. Caso,R. Contri,H. Dibon,R. Marco,B. Epp,Albert Ferrando,Flavio Fontanelli,P. Girtler,A. Gurfu,E. L. Hart,P. Herquet,Josef Hrubec,Y. Iga,E. Kisteney,S. Kitamura,J. M. Kohli,H.) Kohno(,J-C. Marin,M. Markytan,I. S. Mittra,L. Montanet,G. Neuhofer,Y. Petrovykh,R.J. Plano,B. Poljakov,P. Porth,B. Powell,B. Pylgroms,B. Pylgroms,Teresa Rodrigo,A. H. Rogers,J. Salicio,S. Squarcia,P. E. Stamer,V. Stopchenko,K. Sudhakar,U. Trevisan,C. Willmott,T. Yamagata,V. Yarba +43 more
TL;DR: In this article, the intermediate and forward gamma detectors of EHS were used to reconstructπ°'s produced by 360 GeV/cpp interactions in the Rapid Cycling Bubble Chamber (RCBC), using the forward backward symmetry, the inclusiveπ° production cross section was obtainedσπ°=(132±11) mb.