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2 results on '"Blin, Alexandre"'

1. First Tests of SuperKEKB Luminosity Monitors during 2016 Single Beam Commissioning

Author

El Khechen, Dima, Bambade, Philip, Blin, Alexandre, Cornebise, Patrick, Funakoshi, Yoshihiro, Jehanno, Didier, Kubytskyi, Viacheslav, Ohnishi, Yukiyoshi, Peinaud, Yann, Rimbault, Cecile, Uehara, Sadaharu, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), SuperKEKB, and Starita, Sabine

Subjects
[PHYS]Physics [physics], Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, [PHYS.PHYS.PHYS-ACC-PH]Physics [physics]/Physics [physics]/Accelerator Physics [physics.acc-ph], 06 Beam Instrumentation, Controls, Feedback and Operational Aspects, [PHYS.PHYS.PHYS-ACC-PH] Physics [physics]/Physics [physics]/Accelerator Physics [physics.acc-ph], 01 natural sciences, 7. Clean energy, [PHYS] Physics [physics], 030218 nuclear medicine & medical imaging, Accelerator Physics, 03 medical and health sciences, 0302 clinical medicine, 0103 physical sciences, Physics::Accelerator Physics
Abstract

The SuperKEKB e⁺e⁻ collider aims to reach a very high luminosity of 8 10³⁵ cm⁻²s^{−1}, using highly focused ultra-low emittance bunches colliding every 4ns. Fast luminosity monitoring is required for luminosity feedback and optimisation in presence of dynamic imperfections. The aimed relative precision is about 10⁻³ in 1ms, which can be in principle achieved thanks to the very large cross-section of the radiative Bhabha process at zero degree scattering angle. Diamond, Cherenkov and scintillator sensors are to be placed just outside the beam pipe, downstream of the interaction point in both rings, at locations with event rates consistent with the aimed precision and small enough backgrounds from single-beam particle losses. The initial configuration installed for the 2016 "phase 1" single beam commissioning will be described, including the sensors, mechanical setup, readout electronics and first stage DAQ. Preliminary measurements and analysis of beam gas Bremsstrahlung loss data collected with the luminosity monitors will be reported and compared with a detailed simulation, for several experimental conditions during the SuperKEKB commissioning., Proceedings of the 7th Int. Particle Accelerator Conf., IPAC2016, Busan, Korea

Published
2016
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2. The ThomX Project Status

Author

Variola, Alessandro, Alexandre, Patrick, Auguste, Didier, Benabderrahmane, Chamseddine, Blin, Alexandre, Bonis, Julien, Bouaziz, Said, Bouvet, Francois, Bravin, Alberto, Bruni, Christelle, Bruyère, Cyril, Cassinari, Lodovico, Cassou, Kevin, Chaikovska, Iryna, Chancé, Sophie, Chaumat, Vincent, Chiche, Ronic, Cobessi, Alain, Cormier, Eric, Cornebise, Patrick, Couprie, Marie-Emmanuelle, Dalifard, Olivier, De Viguerie, Laurence, Deblay, Philippe, Del Net, William, Delerue, Nicolas, Demma, Theo, Dietrich, Yannick, Diop, Massamba, Drebot, Illya, Dupraz, Kevin, El Ajjouri, Moussa, El Kamchi, Noureddine, El Khaldi, Mohamed, Elleaume, Helène, Esteve, Francois, Gacoin, Marie Pauline, Gauron, Philippe, Gonnin, Alexandre, Guerard, Eric, Haissinski, Jacques, Hazemann, Jean Louis, Herbeaux, Christian, Hodeau, Jean Louis, Horodinsky, Jean Michel, Hubert, Nicolas, Jacquet, Marie, Jeantet, Philippe, Jehanno, Didier, Jouvin, Michel, Jules, Eric, Labat, Marie, Labaye, François, Lacipière, Jerome, Lacroix, Mickaël, Langlet, Marc, Le Duc, Geraldine, Le Guidec, Damien, Lebasque, Pierre, Lepercq, Pierre, Lestrade, Alain, Lhermite, Jerome, Lopes, Robert, Loulergue, Alexandre, Marchand, Patrick, Marie, Rodolphe, Marrucho, Jean Claude, Marteau, Fabrice, Martens, Aurélien, Mercier, Bruno, Mistretta, Eric, Monard, Hugues, Muller, Didier, Nadji, Amor, Nagaoka, Ryutaro, Pauwels, Nicolas, Peinaud, Yann, Pérus, Antoine, Pieyre, Bernard, Plaige, Eric, Pollina, Jean-Pierre, Prevost, Christophe, Proux, Olivier, Ribeiro, Fernand, Robert, Pierre, Ros, Manuel, Roulet, Thomas, Rousselière, Helene, Roux, Raphaël, Sierra, Serge, Soskov, V., Sreedharan, Rajesh, Stocchi, Achille, Susini, Jean, Vallerand, Cynthia, Vermes, Agnes, Walter, Philippe, Wicek, Francois, Yan, You, Zhang, Jianfeng, and Zomer, Fabian

Subjects
02 Synchrotron Light Sources and FELs, Accelerator Physics, T25 Lasers
Abstract

A collaboration of seven research institutes and an industry has been set up for the ThomX project, a compact Compton Backscattering Source (CBS) based in Orsay – France. After a period of study and definition of the machine performances a complete description of all the systems has been provided. The infrastructures work is started and the main systems are in the call for tender phase. In this paper we will illustrate the definitive machine parameters and components characteristics. We will also update the results of the different ongoing R&D on optical resonators, fast power supplies for the injection kickers and on the electron gun., Proceedings of the 5th Int. Particle Accelerator Conf., IPAC2014, Dresden, Germany

Published
2014
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