B. De Lotto
University of Trieste
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Featured researches published by B. De Lotto.
Physics Letters B | 1987
R. Ansari; P. Bagnaia; M. Banner; R. Battiston; K. Bernlöhr; C.N. Booth; K. Borer; M. Borghini; G. Carboni; V. Cavasinni; P. Cenci; J.C. Chollet; A.G. Clark; C. Conta; F. Costantini; Pierre Darriulat; B. De Lotto; T. Del Prete; L. Di Lella; J. Dines-Hansen; K. Einsweiler; L. Fayard; Roberto Ferrari; M. Fraternali; D. Froidevaux; J.M. Gaillard; O. Gildemeister; V.G. Goggi; C. Gössling; B. Hahn
Abstract A study has been made of the decays W → ev and Z → e + e − , using the UA2 detector at the CERN pp Collider. The data correspond to an integrated luminosity of 142 nb −1 at a centre-of-mass collision energy √ s =546 GeV, and 768 nb −1 at √ s =630 GeV. Measurements of the standard model parameters from samples of 251 W decay and 39 Z decay candidates are compared with expectations of the standard electroweak model.
Physics Letters B | 1985
J. A. Appel; M. Banner; E. Lançon; S. Loucatos; B. Mansoulie; M. Polverel; A. Roussarie; V. Ruhlmann; J. Teiger; H. Zaccone; P. Bagnaia; M. Borghini; A.G. Clark; P. Darriulat; L. Di Lella; K. Einsweiler; R. Engelmann; O. Gildemeister; C. Goessling; John Renner Hansen; P. Hansen; N. Harnew; T. Himel; P. Jenni; L. Mapelli; K. Meier; C. Onions; A. Rothenberg; M. Swartz; S.N. Tovey
Abstract The production of very large transverse momentum ( p T ) hadron jets has been measured in the UA2 experiment at the CERN p p Collider for s =630 GeV . The inclusive jet production cross sections exhibit a p T -dependent increase with respect to the s =546 GeV data from previous Collider runs. This increase can be described both by QCD calculations and by approximate x T =2 p T /√ s scaling. No significant deviation of the data from QCD predictions is observed at very large p T , placing a lower limit on the characteristic scale Λ c of a hypothetical superstrong contact interaction responsible for the binding of preons in the quark ( Λ c >370 GeV at 95% CL).
Physics Letters B | 1986
J. A. Appel; P. Bagnaia; M. Banner; R. Battiston; K. Bernlöhr; K. Borer; M. Borghini; G. Carboni; V. Cavasinni; P. Cenci; J.C. Chollet; A.G. Clark; C. Conta; Pierre Darriulat; B. De Lotto; T. Del Prete; L. DiLella; J. Dines-Hansen; K. Einsweiler; R. Engelmann; L. Fayard; M. Fraternali; D. Froidevaux; J.-M. Gaillard; O. Gildemeister; V.G. Goggi; C. Gössling; B. Hahn; H. Hänni; John Renner Hansen
Abstract Using the UA2 apparatus, the inclusive cross section has been measured for production of high- p T direct photons in pp collisions at s =546 GeV and s =630 GeV . The results are in good agreement with QCD predictions.
Physics Letters B | 1987
R. Ansari; P. Bagnala; M. Banner; R. Battiston; K. Bernlöhr; C.N. Booth; K. Borer; M. Borghini; G. Carboni; V. Cavasinni; P. Cenci; J.C. Chollet; A.G. Clark; C. Conta; F. Costantini; Pierre Darriulat; B. De Lotto; T. Del Prete; L. Di Lella; J. Dines-Hansen; K. Einsweiler; L. Fayard; Roberto Ferrari; M. Fraternali; D. Froidevaux; J.-M. Gaillard; O. Gildemeister; V.G. Goggi; C. Gössling; B. Hahn
Abstract The total UA2 data sample at the CERN pp Collider corresponds to an integrated luminosity of 910 nb −1 . Limits on various hypothetical processes, such as production of excited electrons, additional charged or neutral vector bosons, or supersymmetric particles, are presented from the analysis of this sample.
European Physical Journal C | 1986
J. A. Appel; P. Bagnaia; M. Banner; R. Battiston; K. Bernlöhr; K. Borer; M. Borghini; G. Carboni; V. Cavasinni; P. Cenci; J.C. Chollet; A.G. Clark; Antonio Codino; C. Conta; P. Darriulat; B. De Lotto; T. Del Prete; L. Di Lella; J. Dines-Hansen; K. Einsweiler; R. Engelmann; L. Fayard; M. Fraternali; D. Froidevaux; J.M. Gaillard; O. Gildemeister; V.G. Goggi; C. Gössling; B. Hahn; H. Hänni
AbstractA study ofW± andZ0 properties has been performed using the UA2 detector at the
European Physical Journal A | 1986
J. A. Appel; P. Bagnaia; M. Banner; R. Battiston; K. Bernlöhr; K. Borer; M. Borghini; J. Bürger; G. Carboni; V. Cavasinni; P. Cenci; J.C. Chollet; A.G. Clark; Antonio Codino; C. Conta; P. Darriulat; B. De Lotto; T. Del Prete; L. Di Lella; J. Dines-Hansen; K. Einsweiler; R. Engelmann; L. Fayard; M. Fraternali; D. Froidevaux; J.M. Gaillard; O. Gildemeister; V.G. Goggi; C. Gössling; B. Hahn
Physics Letters B | 1987
R Ansari; P. Bagnaia; M. Banner; R. Battiston; Konrad Bernlohr; C.N. Booth; K Borer; M. Borghini; G. Carboni; V. Cavasinni; P. Cenci; J C Chollet; A.G. Clark; C Conta; C. Corona; F. Costantini; P. Darriulat; B. De Lotto; T. Del Prete; L. DiLella; J Dines-Hansen; K. Einsweiler; L. Fayard; R Ferrari; M Fraternali; Daniel Froidevaux; Jean-Marc Gaillard; O. Gildemeister; V.G. Goggi; C. Gössling
\bar pp
Physics Letters B | 1988
R. Ansari; C.N. Booth; G. Carboni; P. Cenci; M. Borghini; R. Mollerud; C. Gössling; P. Lariccia; P. H. Hansen; T. Pal; M. Fraternali; B. Mansoulie; K. Einsweiler; G Parrour; S. Stapnes; M. Banner; S.N. Tovey; K. Borer; M. Livan; K. Jakobs; G. Sauvage; L. Iconomidou-Fayard; P. Jenni; P. Bagnaia; V.G. Goggi; M. Valdata-Nappi; N. Harnew; Michael Andrew Parker; K. Bernlöhr; H. Plothow-Besch
European Physical Journal C | 1988
R. Ansari; P. Bagnaia; M. Banner; R. Battiston; K. Bernlöhr; C.N. Booth; K. Borer; M. Borghini; G. Carboni; V. Cavasinni; P. Cenci; J.C. Chollet; A.G. Clark; C. Conta; C. Corona; F. Costantini; P. Darriulat; B. De Lotto; T. Del Prete; L. Di Lella; J. Dines Hansen; K. Einsweiler; L. Fayard; Roberto Ferrari; M. Fraternali; D. Froidevaux; J.M. Gaillard; O. Gildemeister; V.G. Goggi; C. Gössling
collider. The data correspond to a total integrated luminosity of 142 nb−1 at
Physics Letters B | 1985
J. A. Appel; P. Bagnaia; M. Banner; R. Battiston; K. Bernlöhr; K. Borer; M. Borghini; G. Carboni; V. Cavasinni; P. Cenci; J.C. Chollet; A.G. Clark; C Conta; Pierre Darriulat; B. De Lotto; T. Del Prete; L. Di Lella; J. Dines-Hansen; K. Einsweiler; R. Engelmann; L. Fayard; M. Fraternali; D. Froidevaux; J.-M. Gaillard; O. Gildemeister; V.G. Goggi; C. Gössling; B. Hahn; H. Hänni; John Renner Hansen