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Publication
Featured researches published by J. Sacton.
Physics Letters B | 1973
F.J. Hasert; S. Kabe; W. Krenz; J. von Krogh; D. Lanske; J. Morfin; K. Schultze; H. Weerts; G.H. Bertrand-Coremans; J. Sacton; W. Van Doninck; P. Vilain; U. Camerini; D. Cundy; R. Baldi; I. Danilchenko; W.F. Fry; D. Haidt; S. Natali; P. Musset; B. Osculati; R.B. Palmer; J.B.M. Pattison; D.H. Perkins; A. Pullia; A. Rousset; W. Venus; H. Wachsmuth; V. Brisson; B. Degrange
Abstract Events induced by neutral particles and producing hadrons, but no muon or electron, have been observed in the CERN neutrino experiment. These events behave as expected if they arise from neutral current induced processes. The rates relative to the corresponding charged current processes are evaluated.
Physics Letters B | 1973
F.J. Hasert; H. Faissner; W. Krenz; J. von Krogh; D. Lanske; J. Morfin; K. Schultze; H. Weerts; G.H. Bertrand-Coremans; J. Lemonne; J. Sacton; W. Van Doninck; P. Vilain; C. Baltay; D. Cundy; D. Haidt; M. Jaffre; P. Musset; A. Pullia; S. Natali; J.B.M. Pattison; D.H. Perkins; A. Rousset; W. Venus; H. Wachsmuth; V. Brisson; B. Degrange; M. Haguenauer; L. Kluberg; U. Nguyen-Khac
Abstract One possible event of the process ν − μ + e − → v − μ + e − has been observed. The various background processes are discussed and the event interpreted in terms of the Weinberg theory. The 90% confidence limits on the Weinberg parameter are 0.1 2 θ W
Physics Letters B | 1973
T. Eichten; H. Faissner; F.J. Hasert; S. Kabe; W. Krenz; J. von Krogh; J. Morfin; K. Schultze; G.H. Bertrand-Coremans; J. Sacton; W. Van Doninck; P. Vilain; D. Cundy; D. Haidt; M. Jaffre; S. Natali; P. Musset; J.B.M. Pattison; D.H. Perkins; A. Pullia; A. Rousset; W. Venus; H. Wachsmuth; V. Brisson; B. Degrange; M. Haguenauer; L. Kluberg; U. Nguyen-Khac; P. Petiau; E. Bellotti
Abstract The v and v nucleon total cross-sections have been determined as a function of energy using a sample of 2500 v and 950 v event. The results are compared with predictions of scaling and charge symmetry hypotheses.
Nuclear Physics | 1974
F.J. Hasert; S. Kabe; W. Krenz; J. von Krogh; D. Lanske; J. Morfin; K. Schultze; H. Weerts; G.H. Bertrand-Coremans; J. Sacton; W. Van Doninck; P. Vilain; R. Baldi; U. Camerini; D. Cundy; I. Danilchenko; W.F. Fry; D. Haidt; S. Natali; P. Musset; B. Osculati; R.B. Palmer; J.B.M. Pattison; D.H. Perkins; A. Pullia; A. Rousset; W. Venus; H. Wachsmuth; V. Brisson; B. Degrange
Events induced by neutral particles and producing only hadrons, but no muon or electron, have been observed in the heavy liquid bubble chamber Gargamelle exposed to neutrino (v) and antineutrino (v) beams at CERN. A study of the various sources which could give rise to such events reveals that less than 20% could be attributed to neutrons or KL°. The events behave as expected if they arise from neutral current processes induced by neutrinos and antineutrinos. The ratio of the number of these events to the number of corresponding events with charged lepton is 0.22 ± 0.04 for v and 0.43 ± 0.12 for v.
Physics Letters B | 1978
P. Alibran; N. Armenise; R. Arnold; J.H. Bartley; E. Bellotti; D. Bertrand; R. Blaes; A. Blondel; D. Blum; T. Bolognese; S. Bonetti; G. Bonneaud; J. Bourotte; Frederick W. Bullock; H. Burmeister; G. Carnesecchi; Donatella Cavalli; G. Conforto; B. Degrange; M. Dewit; O. Erriquez; B. Escoubes; E. Fiorini; A. G. Frodesen; J. Gillespie; M. Haguenauer; P. Heusse; F. Jacquet; T. W. Jones; A.M. Lutz
Abstract A beam dump experiment has been performed at CERN in Gargamelle using the neutrino facility to look for penetrating particles produced either directly in the beam interaction or by prompt decay of new particles. A total of 32 interactions with a visible energy greater than 10 GeV has been found, classified, aftercorrections, into 18 charged current ν μ or ν μ , 5.1 neutral current and 8.9 ν e or ν e charged current events. An excess of ν e events remains after all subtractions from any established sources. Results are presented in terms of the product of the cross section and the leptonic decay branching ratio of the possible source.
Physics Letters B | 1978
P. Alibran; P. Heusse; E. Bellotti; Michael John Price; M. Willutzky; G. Conforto; M.T. Muciaccia-Fogli; U. Nguyen-Khac; H. Weerts; E. Fiorini; J. Sleeman; C. Pascaud; J. Bourotte; S. Bonetti; J. Gillespie; A. Pullia; O. Erriquez; J. Morfin; M. Paty; B. Degrange; A. G. Frodesen; H. Burmeister; O. Skjeggestad; P. Musset; F. Jacquet; L. Welch; J.P. Vialle; S. Nuzzo; F.W. Bullock; T. W. Jones
Abstract A beam dump experiment has been performed at CERN in Gargamelle using the neutrino facility to look for penetrating particles produced either directly in the beam interaction or by prompt decay of new particles. A total of 32 interactions with a visible energy greater than 10 GeV has been found, classified, aftercorrections, into 18 charged current ν μ or ν μ , 5.1 neutral current and 8.9 ν e or ν e charged current events. An excess of ν e events remains after all subtractions from any established sources. Results are presented in terms of the product of the cross section and the leptonic decay branching ratio of the possible source.
Nuclear Physics | 1976
J. Blietschau; P. Heusse; E. Bellotti; L. Kluberg; H. Weerts; E. Fiorini; J.B.M. Pattison; S. Bonetti; C. Longuemare; D.H. Perkins; L.M. Chounet; J.P. Vialle; A. Pullia; D. Cundy; P. Petiau; J.L. Pinfold; B. Aubert; M.J. Esten; D. Pittuck; B. Degrange; P. Musset; L. Welch; G. Bertrand-Coremans; F.W. Bullock; J. Morfin; G. Myatt; C. Pascaud; Donatella Cavalli; L. Jauneau; I. Danilchenko
Abstract In the Gargamelle neutrino experiment, three unambiguous candidates for the reaction ν μ + e − → ν μ e − have been observed corresponding to a cross section for a recoil electron energy within the range 0.3 e − GeV of 0.06 × 10 −41 E ν ( GeV ) cm 2 / electron . The calculated background is 0.44 ± 0.13 events and the probability that all three candidates could be due to this background is 1%.
Physics Letters B | 1972
T. Eichten; H. Faissner; S. Kabe; W. Frenz; J. von Krogh; J. Morfin; K. Schultze; J. Lemonne; J. Sacton; W. Van Donnick; P. Vilain; Donald C Cundy; D. Haidt; Paul Musset; U. Nguyen-Khac; S. Natali; J.B.M. Pattison; D.H. Perkins; C.A. Ramm; W. Venus; H. Wachsmuth; V. Brisson; B. Degrange; Maurice Haguenauer; F. Jacquet; L. Kluberg; P. Petiau; E. Bellotti; S. Bonetti; M. Brini-Penzo
Abstract The production of Λ and Σ0 hyperons by antineutrinos has been observed. These events have been used to estimate the production cross-section on protons. The result is compared with the predictions of the Cabibbo theory for the process ν p → μ + Λ .
Physics Letters B | 1976
H. Faissner; F.J. Hasert; S. Kabe; Wulf Dieter Krenz; J. von Krogh; J. Morfin; K. Schultze; J. Lemonne; J. Sacton; P. Vilain; D. Cundy; W. F. Fry; D. Haidt; S. Natali; J.B.M. Pattison; C.A. Ramm; A. Rousset; W. Venus; H. Wachsmuth; B. Degrange; M. Haguenauer; U. Nguyen-Khac; E. Bellotti; S. Bonetti; M. Brini-Penzo; Donatella Cavalli; C. Conta; E. Fiorini; A. Pullia; G. Myatt
Abstract A beam dump experiment was performed in the CERN Gargamelle neutrino facility in order to look for new heavy penetrating neutral particles. Limits are determined for the mass and lifetimes of such particles, and also the cross section for their production.
Physics Letters B | 1977
J. Blietschau; J. Morfin; M. Pohl; Jonathan Welch; Ghislaine Coremans; H. Malkens; J. Sacton; W. Van Donink; C. Matteuzzi; F. Romano; A. Blondel; B. Degrange; T. Francois; U. Nguyen-Khac; Peter Van Dam; S. Bonetti; Donatella Cavalli; A. Pullia; Amelie Lutz; C. Pascaud; I.W. Bullock; T. W. Jones; A.G. Michette
Abstract A sample of 9930 neutrino neutral current interactions has been examined for single strange particle production. No signal in the channels ν N → νγ X and ν N → ν | gS 0 X, where X means non-strange hadrons, has been found. This yields an upper limit of 5.4 × 10 −3 to a 90% confidence level on the ratio [( ν → νΓ X) + ( ν → νΣ 0 X)]/[ ν → ν + anything]
