K.E. Johansson
CERN
9 Papers
76 Citations
K.E. Johansson is an academic researcher from CERN. The author has contributed to research in topics: Elastic scattering & D meson. The author has an hindex of 7, co-authored 9 publications.
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Papers
Charm D-meson production in 360 GeV/cπ−p interactions; Evidence for leading quarks
Manuel Aguilar-Benitez,W.W.M. Allison,Paolo Bagnaia,W. Bartl,Alessandro Bettini,R. Bizzarri,M. Boratav,Giorgio Borreani,F. Bruyant,E. Castelli,Paolo Checchia,G. Ciapetti,D. Crennell,E. Di Capua,C. Dionisi,J. Dolbeau,J. Duboc,J. Dumarchez,F. Etienne,C. Fisher,Yu. Fisjak,Ugo Gasparini,Simonetta Gentile,J. Hanton,Ph. Herquet,S-O. Holmgren,Josef Hrubec,P. Hughes,K.E. Johansson,E. P. Kistenev,D. Kuhn,N. Kurtz,P. Ladron de Guevara,Jacques Lemonne,H. Leutz,P. F. Loverre,Louis Lyons,M. MacDermott,F. Marchetto,M. Markytan,Francesco Marzano,M. Mazzucato,A. Michalon,M. E. Michalon-Mentzer,T. Moa,L. Montanet,G. Neuhofer,S. Nilsson,P. Pilette,G. Piredda,Alan Poppleton,S. Reucroft,J. Richardson,T. Rodrigo,H. Rohringer,P. Rossi,J. Salicio,M. Sessa,D. Z. Toet,M. C. Touboul,A. M. Touchard,P. van Hal,M. Van Immerseel,L. Ventura,E. V. Vlasov,B. Vonck,J. H. Wickens,P. R. S. Wright,T. P. Yiou,L. Zanello,G. V. Zolobov,G. Zumerle +71 more
TL;DR: In this article, the authors show evidence for leading quark effects both in the number of D-meson types and in the Feynman x distribution in 360 GeV π−p interactions using the high resolution hydrogen bubble chamber LEBC and the European Hybrid Spectrometer.
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Observation of a dip at |t| = 1.5 (GeV/c)2 in pp elastic scattering at 50 GeV/c
Z. Asa'd,C. Baglin,S. Benson,R. K. Bock,K. Brobakken,L. Bugge,T. Buran,A. Buzzo,P.J. Carlson,M. Coupland,D.G. Davis,B.G. Duff,S. Ferroni,I. Gjerpe,V. Gracco,J.D. Hansen,P. Helgaker,F.F. Heymann,D.C. Imrie,T. Jacobsen,K.E. Johansson,K. Kirsebom,R. Lowndes,A. Lundby,G.J. Lush,M. Macri,R. Mollerud,J. Myrheim,Mark Phillips,M. Poulet,L. Rossi,A. Santroni,G. Skjevling,S.O. Sørensen,M. Yvert +34 more
TL;DR: The p p elastic differential cross section at 50 GeV/c has been measured in a two-arm spectrometer experiment at the CERN SPS as mentioned in this paper, where a pronounced dip-bump structure is observed with a sharp minimum at | t | = 1.5 (GeV/ c ) 2.
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Large-angle elastic scattering of charged pions on protons at 20 and 30 gev/c incident momenta
R. Almas,C. Baglin,R. K. Bock,E.T.C. Borggaard,K. Brobakken,L. Bugge,T. Buran,A. Buzzo,P.J. Carlson,L. Causton,M. Coupland,D.G. Davis,B.G. Duff,A. Eide,S. Ferroni,I. Gjerpe,V. Gracco,K. Guettler,J.P. Guillaud,J. Haldorsen,J.D. Hansen,P. Helgaker,F.F. Heymann,D.C. Imrie,T. Jacobsen,K.E. Johansson,K. Kirsebom,S. Kooijman,R. Lowndes,A. Lundby,G.J. Lush,M. Macri,R. Mollerud,J. Myrheim,J. Myrheim,M. Poulet,L. Rossi,A. Santroni,B. Schistad,H. Schwartz,G. Skjevling,S.O. Sørensen,J. Tavernier,M. Yvert +43 more
TL;DR: In this article, the authors compared the predictions of the model due to Preparata and Soffer with the new data, and made a comparison with the prediction of the constituent interchange model.
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Pion-proton elastic scattering at 20 and 50 GeV/c incident momenta in the momentum transfer range 0.7 < |;t| <8.0 (GeV/c)2
Z. Asa'D,M. Coupland,D.G. Davis,B.G. Duff,I. Gjerpe,F.F. Heymann,D.C. Imrie,R. Lowndes,G.J. Lush,Mark Phillips,C. Baglin,M. Poulet,M. Yvert,R. K. Bock,P.J. Carlson,K.E. Johansson,A. Lundby,S. Benso,A. Buzzo,S. Ferroni,V. Gracco,M. M. Macri,A. Santroni,K. Brobakken,L. Bugge,T. Buran,T. Fearnley,P. Helgaker,K. Kirsebom,A. Moe,S.O. Soerensen,J.D. Hansen,J. Myrheim,G. Skjevling +33 more
TL;DR: In this paper, measurements of the differential elastic cross sections for π−p scattering at incident momenta of 20 and 50 GeVc and π+p at 50 geVc in the momentum transfer range 0.7 < |t|; < 8.0 (GeVc)2 are presented.
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New results on kaon-proton elastic scattering at large momentum transfers
Z. Asa'd,C. Baglin,R. K. Bock,K. Brobakken,L. Bugge,T. Buran,A. Buzzo,P.J. Carlson,M. Coupland,D.G. Davis,B.G. Duff,T. Fearnley,S. Ferroni,I. Gjerpe,J.P. Guillaud,V. Gracco,J.D. Hansen,P. Helgaker,F.F. Heymann,D.C. Imrie,K.E. Johansson,K. Kirsebom,R. Lowndes,A. Lundby,G.J. Lush,M. Macri,J. Myrheim,Mark Phillips,M. Poulet,A. Santroni,G. Skjevling,S.O. Sørensen,M. Yvert +32 more
TL;DR: In this article, the elastic differential cross-sections at 20 and 50 GeV/c were measured in the momentum transfer range 0.7 t ∥ c for the K − p and K + p elastic domains.
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