I. G. Roberts
Birkbeck, University of London
9 Papers
58 Citations
I. G. Roberts is an academic researcher from Birkbeck, University of London. The author has contributed to research in topics: Beam (structure) & Charm (quantum number). The author has an hindex of 7, co-authored 9 publications.
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Papers
A-dependence of the Charm Production Cross-section in 300 GeV/$c$ Proton Interactions
H. Cobbaert,R. Roosen,M. G. Catanesi,M. T. Muciaccia,S. Natali,Salvatore Nuzzo,M. Quattromini,F. Ruggieri,Giovanni Carboni,G. Crosetti,M. Fidecaro,C. Gerke,Gilbert Poulard,H. Sletten,M. Coupland,I. G. Roberts,P. T. Trent,J. H. Bartley,J. E. Conboy,M. J. Esten,P. Fennel,P. F. Harrison,M. De Vicenzi,S. Di Liberto,A. Frenkel,M. Iori,E. Lamanna,G. Marini,G. Martellotti,A. Nigro,A. Parisi,Gianni Penso,S. Petrera,P. Pistilli,G. Romano,G. Rosa,A. Sciubba,Bruno Alessandro,V. Bisi,D. Gamba,L. Ramello,L. Riccati +41 more
TL;DR: In this article, the A-dependence of the charm production cross section was determined by measuring the yield of single muons in a beam-dump experiment, using a 300 GeV/c proton beam on Al, Fe, and U targets.
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The production of beauty particles in π−-U interactions at 320 GeV energy
M. G. Catanesi,M. T. Muciaccia,S. Natali,Salvatore Nuzzo,F. Ruggieri,H. Cobbaert,R. Roosen,G. Crosetti,M. Fidecaro,P. Musset,Gilbert Poulard,H. Sletten,M. Coupland,I. G. Roberts,P. T. Trent,J. H. Bartley,J. E. Conboy,B.G. Duff,M. J. Esten,P. Fennel,P. F. Harrison,F.F. Heymann,D.C. Imrie,M. De Vincenzi,S. Di Liberto,A. Frenkel,E. Lamanna,G. Marini,G. Martellotti,A. Nigro,A. Parisi,Gianni Penso,S. Petrera,Emilio Petrolo,P. Pistilli,G. Romano,Gianfranca De Rosa,A. Sciubba,Bruno Alessandro,W. Alpe,V. Bisi,D. Gamba,L. Ramello,L. Riccati +43 more
TL;DR: In this article, B B B production in π − -uranium interactions has been observed at 320 GeV beam energy looking at events with three muons in the final state.
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Experimental study of BB production π-U interactions at 320 GeV energy
M. G. Catanesi,M. T. Muciaccia,S. Natali,Salvatore Nuzzo,F. Ruggieri,H. Cobbaert,R. Roosen,G. Crosetti,M. Fidecaro,Gilbert Poulard,H. Sletten,M. Coupland,I. G. Roberts,P. T. Trent,J. H. Bartley,J. E. Conboy,M. J. Esten,P. Fennel,P. F. Harrison,F.F. Heymann,D.C. Imrie,M. De Vincenzi,S. Di Liberto,A. Frenkel,M. Iori,E. Lamanna,G. Marini,G. Martellotti,A. Nigro,A. Parisi,Gianni Penso,S. Petrera,Emilio Petrolo,P. Pistilli,G. Romano,G. Rosa,A. Sciubba,Bruno Alessandro,W. Alpe,V. Bisi,D. Gamba,L. Ramello,L. Riccati +42 more
TL;DR: In this article, a sample of 29 gu+ υ+ 35 υ− υ − σ− σ − ε− ε coming from B B decay has been observed in π-U interactions at 320 GeV energy and the experimental distributions and the total cross section are found to be in good agreement with QCD predictions.
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An Attempt To Observe Directly Beauty Particles In Nuclear Emulsions.
J. P. Albanese,D. Allasia,N. Armenise,R. Arnold,G. Baroni,M. Barth,D. Bertrand,G. Bertrand-Coremans,V. Bisi,A.C. Breslin,M. Calicchio,M. Coupland,D.G. Davis,D.H. Davis,L. Di Ciaccio,S. Di Liberto,J. K. Downes,B.G. Duff,O. Erriquez,M. J. Esten,D. Gamba,I. Gjerpe,M. Hazama,F.F. Heymann,K. Hoshino,D.C. Imrie,Y. Isokane,P. Lavopa,G.J. Lush,Y. Maeda,Giorgio Maggi,A. Manfredini,A. Marzari-Chiesa,C. Matteuzzi,Franco Meddi,Motoaki Miyanishi,A. Montwill,M. T. Muciaccia,P. Musset,Mitsuhiro Nakamura,S. Natali,K. Niu,K. Niwa,Salvatore Nuzzo,A. O'Connor,M. Ohashi,S. Petrera,F. Piuz,Gilbert Poulard,M. J. Price,L. Ramello,L. Riccati,I. G. Roberts,Francesco Romano,G. Romano,Alessandra Romero,R. Roosen,G. Rosa,F. Ruggieri,Jean Sacton,R. Santonico,Yoshihiro Sato,G. Schorochoff,F. Sebastiani,H. Shibuya,H. Sletten,F.R. Stannard,Shigeki Tasaka,I. Tezuka,D.N. Tovee,P. T. Trent,Y. Tsuneoka,N. Ushida,J. H. Wickens,O. Yamakawa,N. Yanagisawa +75 more
TL;DR: An attempt at direct observation of the cascade decay of beauty particles, produced by π − of 350 GeV / c leading to 3 muons or 4 muons in the final state, has been made in an emulsion/counter hybrid experiment at CERN as mentioned in this paper.
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A-dependence of low-mass muon pair production in 300 GeV/c p and 320 GeV/cπ− interactions
H. Cobbaert,R. Roosen,M. G. Catanesi,M. T. Muciaccia,S. Natali,Salvatore Nuzzo,F. Ruggieri,Giovanni Carboni,G. Crosetti,M. Fidecaro,C. Gerke,Gilbert Poulard,H. Sletten,M. Coupland,I. G. Roberts,P. T. Trent,J. H. Bartley,J. E. Conboy,M. J. Esten,P. Fennel,P. F. Harrison,M. De Vincenzi,S. Di Liberto,A. Frenkel,M. Iori,E. Lamanna,G. Marini,G. Martellotti,Franco Meddi,A. Nigro,Gianni Penso,S. Petrera,P. Pistilli,G. Romano,G. Rosa,A. Sciubba,Bruno Alessandro,V. Bisi,D. Gamba,L. Ramello,L. Riccati +40 more
TL;DR: In this article, the A-dependence of inclusive μ+μ− production is measured in the kinematical region 2mμ⩽m(μ+μ −) ⪅1.5 GeV/c2, 0.68±0.02−0.
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