Some tests of a multigap projection chamber (2009)
Breskin, A, Charpak, Georges, Darriulat, Pierre, Geissler, K, Holder, M, Tittel, K
Anisotropy studies around the galactic centre at EeV energies with the Auger Observatory (2007)
Abraham, J., Aglietta, M., Aguirre, C., Allard, D., Allekotte, I., Allison, P., ...
Data from the Pierre Auger Observatory are analyzed to search for anisotropies near the direction of the Galactic Centre at EeV energies. The exposure of the surface array in this part of the sky is...
Status of RF superconductivity work at CERN: laboratory talk (2003)
Weingarten, Wolfgang, Barranco-Luque, M, Benvenuti, Cristoforo, Bloess, D, Boussard, Daniel, Bressani, G, ...
Superconducting RF cavities: film of bulk (2003)
The successful operation of LEP2 has demonstrated the feasibility of using on a large scale copper accelerating cavities coated with a thin superconducting niobium film. Yet other existing or planned...
Invitation PPE à l'occasion du NOBEL de Charpak (2001)
Darriulat, Pierre, Charpak, Georges
Discours et ambiance
Superconducting niobium cavities, a case for the film technology (2000)
Calatroni, Sergio, Arbet-Engels, V P, Benvenuti, Cristoforo, Darriulat, Pierre, Peck, M A, Valente, A M, ...
Evidence is presented for niobium film cavities performing as well as niobium bulk cavities, at variance with a widespread belief that their much smaller grain size should be a fundamental limitation...
Study of the residual surface resistance of niobium films at 1.5 GHz (2000)
Calatroni, Sergio, Benvenuti, Cristoforo, Darriulat, Pierre, Peck, M A, Valente, A M, Van't Hof, C A
Potential contributions to the residual surface resistance of niobium films exposed to 1.5 GHz microwaves are reviewed and studied. These include the oxidation of the film surface, the formation of...
Fluxon Pinning in Niobium Films (2000)
Calatroni, Sergio, Benvenuti, Cristoforo, Darriulat, Pierre, Peck, M A, Valente, A M
Resistive losses induced by the presence of trapped magnetic flux in niobium superconducting films have been studied using 1.5 GHz microwaves. They are measured to span a very broad spectrum...
Fluxon induced resistance and field emission (2000)
Calatroni, Sergio, Benvenuti, Cristoforo, Darriulat, Pierre, Peck, M A, Valente, A M, Van't Hof, C A
The surface resistance of superconducting niobium films induced by the presence of trapped magnetic flux, presumably in the form of a pinned fluxon lattice, is shown to be modified by the presence of...
Influence of the nature of the substrate on the growth of superconducting niobium films (2000)
Calatroni, Sergio, Benvenuti, Cristoforo, Darriulat, Pierre, Peck, M A, Valente, A M
The superconducting properties of niobium films sputtered onto the inner walls of radiofrequency cavities, including their surface resistance to 1.5 GHz microwaves, have been studied as a function of...
Study of the Residual Resistance of Superconducting Niobium Films at 1.5 GHz (2000)
Valente, A M, Benvenuti, Cristoforo, Calatroni, Sergio, Darriulat, Pierre, Peck, M A, Van't Hof, C A
A study of the main potential contributions to the residual surface resistance of niobium-coated cavities is reviewed. They are the formation of hydride precipitates, the contamination by discharge...
High-Q, high gradient niobium-coated cavities at CERN (2000)
Calatroni, Sergio, Benvenuti, Cristoforo, Darriulat, Pierre, Peck, M A, Valente, A M, Van't Hof, C A
Superconducting cavities made by sputter-deposition of a thin niobium film onto copper have proven over the years to be a viable alternative to bulk niobium, the best example being the very...
This is a preliminary account of UA2 data relevant to searches for W± --> e± v and Zo --> e+ e-. As an introduction, the professor DARRIULAT describes the detector and the experimental methods....
Study of the surface resistance of superconducting niobium films at 1.5 GHz (1999)
Benvenuti, Cristoforo, Calatroni, Sergio, Campisi, I E, Darriulat, Pierre, Peck, M A, Russo, R, ...
A systematic study of superconducting properties of niobium films sputtered on the inner wall of radiofrequency cavities is presented. The measured quantities include in particular the response to...
Niobium sputter-coated copper resonators (1998)
Benvenuti, Cristoforo, Calatroni, Sergio, Campisi, I E, Darriulat, Pierre, Durand, C, Peck, M A, ...
Niobium sputter-coated copper resonators are successfully employed in operating particle accelerators, the most outstanding example being LEP2 at CERN. In this review we present recent progress in...
Properties of Copper Cavities Coated with Niobium Using Different Discharge Gases (1998)
Benvenuti, Cristoforo, Calatroni, Sergio, Campisi, I E, Darriulat, Pierre, Marino, M, Peck, M A, ...
Experimental evidence is presented showing that in conformity with theoretical expectations, discharge gas atoms are trapped in sputtered films whenever a gas of atomic mass smaller than that of the...
Study of the role of the interface between niobium films and copper RF resonators (1998)
Benvenuti, Cristoforo, Calatroni, Sergio, Campisi, I E, Darriulat, Pierre, Peck, M A, Russo, R
Niobium-coated copper resonators are usually produced with an oxide interface between the film and the substrate. This oxide has two sources: the passivation layer inevitably formed on the surface of...
Structural and RF properties of niobium films deposited onto annealed niobium resonators (1998)
Benvenuti, Cristoforo, Calatroni, Sergio, Campisi, I E, Darriulat, Pierre, Durand, C, Kneisel, P, ...
Studies have been performed on the properties of niobium thin films sputtered onto solid niobium TM010 resonators at 1.5 GHz. The purpose of the work is to study the behaviour of the film's RF and...
Magnetic flux trapping in superconducting niobium (1998)
Benvenuti, Cristoforo, Calatroni, Sergio, Campisi, I E, Darriulat, Pierre, Durand, C, Peck, M A, ...
In a systematic study of the RF response of superconducting niobium cavities operated in their fundamental TM010 mode at 1.5 GHz, magnetic flux trapping has been used as a tool to diagnose the...
Large p$_{T}$ phenomena (1997)
Albrow, M, Jacob, Maurice René Michel, Cronin, J, Darriulat, Pierre, Di Lella, L, Fabjan, Christian Wolfgang, ...
Measurement of production and properties of jets at the CERN $\overline{p}$p collider (1990)
Bagnaia, P, Banner, M, Battiston, R, Bloch, P, Bonaudi, Franco, Borer, K, ...
The central calorimeter for the UA2 experiment at the CERN $\overline{p}$p collider (1990)
Beer, A, Bonaudi, Franco, Bonnefoy, L, Borghini, Michel, Bourgeois, F, Clark, A G, ...
Measurement of jet production properties at the CERN $\overline{p}$p collider (1990)
Bagnaia, P, Banner, M, Battiston, R, Bloch, P, Borer, K, Borghini, Michel, ...
Measurement of jet fragmentation properties at the CERN $\overline{p}$p collider (1990)
Bagnaia, P, Banner, M, Battiston, R, Bloch, P, Borer, K, Borghini, Michel, ...
Measurement of the \Sqrt s dependence of jet production at the CERN $\overline{p}$p collider (1990)
Appel, J A, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Borer, K, ...
Appel, J A, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Borer, K, ...
A study of three-jet events at the CERN $\overline{p}$p collider (1990)
Appel, J A, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Borer, K, ...
Direct photon production at the CERN $\overline{p}$p collider (1990)
Appel, J A, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Borer, K, ...
Search for decays of the W+- and Z bosons into quark-antiquark pairs (1990)
Ansari, R, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Booth, C N, ...
Measurement of the standard model parameters from a study of W and Z bosons (1990)
Ansari, R, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Booth, C N, ...
Measurement of W and Z production properties at the CERN $\overline{p}$p collider (1990)
Ansari, R, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Booth, C N, ...
Jet measures and hadronic event shapes at the CERN $\overline{p}$p collider (1990)
Ansari, R, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Booth, C N, ...
Measurement of W+- and Z0 properties at the CERN $\overline{p}$p collider (1990)
Appel, J A, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Borer, K, ...
Search for exotic processes at the CERN p$\overline{p}$ collider (1990)
Ansari, R, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Booth, C N, ...
Ansari, R, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Booth, C, ...
Inclusive charged particle production at the CERN $\overline{p}$p collider (1990)
Banner, M, Bloch, P, Bonaudi, Franco, Borer, K, Borghini, Michel, Chollet, J C, ...
Direct photon production in $\overline{p}$p collisions at \Sqrt s = 630 GeV (1990)
Ansari, R, Bagnaia, P, Banner, M, Battiston, R, Bernlöhr, K, Booth, C N, ...
Evidence for Z0 --> e+e- at the CERN $\overline{p}$p collider (1990)
Bagnaia, P, Banner, M, Battiston, R, Bloch, P, Bonaudi, Franco, Borer, K, ...
Inclusive pi$^{0}$ production from high-energy pp collisions at very large transverse momenta (1990)
Clark, A G, Darriulat, Pierre, Dittmann, P, Eggert, Karsten, Hungerbühler, V, Patel, P M, ...
Muon-electron events in high-energy proton-proton collisions (1990)
Clark, A G, Darriulat, Pierre, Eggert, Karsten, Hungerbühler, V, Renshall, Harry R, Richter, Burton, ...
On the production of charmed mesons in high-energy proton-proton collisions (1990)
Chilingarov, A G, Clark, A G, Darriulat, Pierre, Eggert, Karsten, Hungerbühler, V, Patel, P M, ...
Large transverse momentum jets in high-energy proton-proton collisions (1990)
Clark, A G, Darriulat, Pierre, Eggert, Karsten, Hungerbühler, V, Patel, P M, Strauss, J, ...
Electron pair production at the CERN-ISR (1990)
Clark, A G, Darriulat, Pierre, Eggert, Karsten, Hungerbühler, V, Renshall, Harry R, Strauss, J, ...
Inclusive pi0 production at the CERN p$\overline{p}$ collider (1990)
Banner, M, Bloch, P, Bonaudi, Franco, Borer, K, Borghini, Michel, Chollet, J C, ...