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Featured researches published by P. Negri.


EPL | 1989

Experimental Study of Atmospheric Neutrino Flux in the NUSEX Experiment

M. Aglietta; G. Battistoni; E. Bellotti; C. Bloise; G. Bologna; C. Broggini; P. Campana; C. Castagnoli; A. Castellina; V. Chiarella; O. Cremonesi; D. Cundy; B. D'Ettorre Piazzoli; E. Fiorini; W. Fulgione; P. Galeotti; E. Iarocci; Christopher D. Liguori; G. Mannocchi; G.P. Murtas; P. Negri; G. Nicoletti; P. Picchi; M. J. Price; A. Pullia; S. Ragazzi; O. Saavedra; L. Satta; S. Vernetto; L. Zanotti

The fully contained events detected in the NUSEX nucleon stability experiment have been analysed to search for possible anomalies in the fluxes of atmospheric neutrinos. The measured flux of muon neutrinos is in very good agreement with predictions and no anomaly has been found in the ratio between the rate of electron and muon neutrino events.


Physics Letters B | 1985

Observation of a time modulated muon flux in the direction of Cygnus X-3

G. Battistoni; E. Bellotti; C. Bloise; G. Bologna; P. Campana; C. Castagnoli; A. Castellina; V. Chiarella; A. Ciocio; D. Cundy; B. D'Ettorre-Piazzoli; E. Fiorini; Piero Galeotti; E. Iarocci; C. Liguori; G. Mannocchi; G.P. Murtas; P. Negri; G. Nicoletti; P. Picchi; M. J. Price; A. Pullia; S. Ragazzi; M. Rollier; O. Saavedra; L. Satta; P. Serri; S. Vernetto; L. Zanotti

Abstract The analysis of angular and phase distribution is reported for high energy muons recorded in the NUSEX nucleon decay detector, located in the Mont Blanc tunnel at a depth of about 5000 hg of standard rock. Evidence is found for a signal correlated to the direction and time modulation of Cygnus X-3.


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1986

The NUSEX detector

G. Battistoni; E. Bellotti; C. Bloise; G. Bologna; P. Campana; C. Castagnoli; V. Chiarella; O. Cremonesi; D. Cundy; B. D'Ettorre Piazzoli; E. Fiorini; E. Iarocci; G. Mannocchi; G.P. Murtas; P. Negri; G. Nicoletti; P. Picchi; M. J. Price; A. Pullia; S. Ragazzi; M. Rollier; F. Ronga; O. Saavedra; L. Zanotti

Abstract We present in this paper the characteristics, trigger system and performance of the NUSEX detector, designed to study nucleon stability, running in the Mt. Blanc laboratory.


Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields | 1977

Study of Quasielastic Reactions of Neutrino and anti-neutrino in Gargamelle

S. Bonetti; F. Romano; G. Carnesecchi; A. Pullia; Donatella Cavalli; R. Schira; M. Rollier; P. Negri

SummaryThe quasi-elastic cross-sectionsσeltot and dσ/dq2 for the reactions 1) νn → μ−p and 2)


Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields | 1977

Study of quasi-elastic reactions of ν and\(\overline v \) in gargamellein gargamelle

S. Bonetti; G. Carnesecchi; Donatella Cavalli; P. Negri; A. Pullia; M. Rollier; F. Romano; R. Schira


Physics Letters | 1964

Properties of the A1 studied in 16 GeV/c π− interactions on nuclei

J. F. Allard; D. Drijard; J. Hennessy; R. Huson; A. Lloret; P. Musset; J. J. Veillet; H.H. Bingham; M. Dickinson; R. Diebold; W. Koch; D.W.G. Leith; M. Nikolic; B. Ronne; G. Bellini; E. Fiorini; P. Negri; M. Rollier; J. Crussard; J. Ginestet; A.H. Tran; M. Di Corato; W.B. Fretter; H. J. Lubatti; W. Michael

\overline v


Physics Letters B | 1968

Coherent production of 5-pion final states from nuclei at 16 GeV/c

R. Huson; H.J. Lubatti; J. Six; J.J. Veillet; H. Annoni; G. Bellini; M. Di Corato; E. Fiorini; K. Moriyasu; P. Negri; M. Rollier; H.H. Bingham; C.W. Farwell; W.B. Fretter


Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields | 1967

Experimental results on 8 GeV/c π−-p interactions with two, three and four pions

J. F. Allard; J. J. Hennessy; R. Huson; A. Lloret; J. Six; J. J. Veillet; G. Bellini; M. Di Corato; E. Fiorini; P. Negri; M. Rollier

→ μ+n have been measured by using the data of the ν Gargamelle collaboration. 687 ν events, candidates for reaction 1), and 476


Physics Letters | 1963

HIGH ENERGY PION-PROTON COLLISIONS WITH LOW MOMENTUM TRANSFER

G. Bellini; M. Di Corato; E. Fiorini; A.J. Herz; P. Negri; S. Ratti


Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields | 1966

Study of π+2π− final states coherently produced on nuclei by 16 GeV/c π−

J. F. Allard; D. Drijard; J. J. Hennessy; R. Huson; A. Lloret; J. Six; J. J. Veillet; G. Bellini; M. Di Corato; E. Fiorini; P. Negri; M. Rollier; J. Crussard; J. Ginestet; A.H. Tran; H. H. Bingham; C. W. Farwell; W. B. Fretter; H. J. Lubatti; K. Moriyasu

\overline v

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E. Fiorini

Istituto Nazionale di Fisica Nucleare

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M. Rollier

Istituto Nazionale di Fisica Nucleare

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A. Pullia

Istituto Nazionale di Fisica Nucleare

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G. Bellini

Istituto Nazionale di Fisica Nucleare

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E. Iarocci

Istituto Nazionale di Fisica Nucleare

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S. Ragazzi

Istituto Nazionale di Fisica Nucleare

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