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    • Dissertation
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    Etude des J/psi dans le canal dimuon du spectromètre de l’expérience ALICE auprès du LHC dans les collisions proton+proton à sqrt(s) = 7 TeV

    Boyer, Bruno
    theses.fr (ABES - L'agence bibliographique de l'enseignement supérieur)
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    Title: Etude des J/psi dans le canal dimuon du spectromètre de l’expérience ALICE auprès du LHC dans les collisions proton+proton à sqrt(s) = 7 TeV
    Author: Boyer, Bruno
    Date: 21 October 2011
    Subject: Pqg ; Alice ; J/Psi ; Déconfinement ; Spectromètre À Muons ; Saveurs Lourdes ; Physique Hadronique ; Lhc ; Écrantage de Couleurs ; Qgp ; Alice ; J/Psi ; Deconfinement ; Muon Spectrometer ; Heavy Flavors ; Hadronic Physics
    Description: La densité epsilon0 de la matière nucléaire ordinaire est de l'ordre de 0,17 GeV/fm^3 . Lorsqu’ elle atteint une densité comprise entre 5 à 10 epsilon0 ou une température comprise entre 150 à 200 MeV, une transition de phase, prédite par la ChromoDynamique Quantique sur réseau, vers un nouvel état de la matière se produit. Cet état dans lequel les quarks et les gluons sont déconfinés et peuvent se mouvoir librement est appelé Plasma de Quarks et de Gluons (PQG). Les collisions d’ions lourds ultra-relativistes au Large Hadron Collider (LHC) permettront de recréer les conditions de formation d’un tel état. L’étude du PQG au LHC se fera essentiellement avec l’expérience ALICE (A Large Ion Collider Experiment) dont le spectromètre à muons est conçu pour observer dans le canal muonique, sur un domaine de pseudo-rapidité -4 eta -2.5, la suppression des résonances lourdes (J/psi,Upsilon) par écrantage de couleur à travers leurs décroissance en muons.La première partie...

    • Dissertation
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    Study of J/psi in the dimuon channel with the ALICE muon spectrometer at the LHC for proton+proton collisions at sqrt(s) = 7 TeV

    Boyer, Bruno
    Hyper Article en Ligne (CCSd), Hyper Article en Ligne Open Access (CCSd)
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    Title: Study of J/psi in the dimuon channel with the ALICE muon spectrometer at the LHC for proton+proton collisions at sqrt(s) = 7 TeV
    Author: Boyer, Bruno
    Date: 21 October 2011
    Subject: Physics ; Condensed Matter ; Other ; Lhc ; Color Screening ; Hadronic Physics ; Heavy Flavors ; Muon Spectrometer ; Deconfinement ; J/Psi ; Alice ; Qgp ; Écrantage de Couleurs ; Lhc ; Physique Hadronique ; Saveurs Lourdes ; Spectromètre À Muons
    Description: The ordinary nuclear matte density epsilon0 is around de 0,17 GeV/fm^3 . For a critical value between 5 and 10 epsilon0 or a temperature around 150 to 200 MeV, the lattice Quantum ChromoDynamics (lQCD) predicts a phase transition from the classical matter to a new state of matter called the Quark Gluon Plasma (QGP). In this state, quarks and gluons behave like free particles. Heavy ions collisions at the Large Hadron Collider (LHC) are used to recreate the condition needed for a QGP formation. ALICE (A Large Ion Collider Experiment) is one of the LHC experiment dedicated to the study the QGP. One of the possible signature is the suppression of the quarkonia (J/psi, Upsilon) by color screening. The ALICE muon spectrometer allows to measure the quarkonia, in a pseudo-rapidity domain -4 eta -2.5, using their decay into muons.The first part of the report presents the acceptance and efficiency corrections. These corrections are crucial for the analysis. This study...

    • Conference Proceeding
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    Acoustic detection of crystal nucleation near a single bubble in a levitation cell

    Montes, William, Baillon, Fabien, Louisnard, Olivier, Espitalier, Fabienne, Boyer, Bruno
    Extrait de : CRISTAL 7. - ISBN 978-2-910239-77-2, 2013, Vol.Récents Progrès en Génie des Procédés(103)
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    Title: Acoustic detection of crystal nucleation near a single bubble in a levitation cell
    Author: Montes, William; Baillon, Fabien; Louisnard, Olivier; Espitalier, Fabienne; Boyer, Bruno
    Subject: Engineering Sciences ; Chemical and Process Engineering ; Crystallization ; Ultrasounds ; Autocorrelation ; Detection ; Cavitation ; Single Bubble ; Ultrasons ; Corrélation ; Cristallisation ; Bulle Unique
    Description: The application of power ultrasound in liquids produces thousands of bubbles. This phenomenon is called acoustic cavitation. The bubbles formed do not have the same size, their oscillations are not in phase, and their spatial density in the fluid is very not homogeneous: this phenomenon is thus very complex and involves multiple variables which are very difficult to isolate. Even if the phenomenon is chaotic, its macroscopic effects on the nucleation and growth of of ice crystals in undercooled solutions are noticeable. These effects have a crucial importance for industrial applications such as freezing and lyophilisation (also called freeze drying) of pharmaceutics products. Although the effects of ultrasound on crystallization are well-known, their physical origin remains unclear. Multi-bubble experiments do not give any hint in the microscopic mechanisms involved. Therefore, in order to isolate the main actor of these effects, this study aims at creating and observing a...
    Is part of: Extrait de : CRISTAL 7. - ISBN 978-2-910239-77-2, 2013, Vol.Récents Progrès en Génie des Procédés(103)

    • Several versions

    French normative data and naming times for action pictures

    Schwitter, Valérie, Boyer, Bruno, Méot, Alain, Bonin, Patrick, Laganaro, Marina
    Behavior Research Methods, Instruments, & Computers, 2004, Vol.36(3), pp.564-576 [Peer Reviewed Journal]

    • Several versions

    Psycholinguistic norms for action photographs in French and their relationships with spoken and written latencies

    Bonin, Patrick, Boyer, Bruno, Méot, Alain, Fayol, Michel, Droit, Sylvie
    Behavior Research Methods, Instruments, & Computers, 2004, Vol.36(1), pp.127-139 [Peer Reviewed Journal]

    • Several versions

    A new automated method to evaluate 2D mammographic breast density according to BI-RADS® Atlas Fifth Edition recommendations

    Balleyguier, Corinne, Arfi-Rouche, Julia, Boyer, Bruno, Gauthier, Emilien, Helin, Valerie, Loshkajian, Ara, Ragusa, Stephane, Delaloge, Suzette
    European Radiology, 2019, Vol.29(7), pp.3830-3838 [Peer Reviewed Journal]

    • Article
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    Immediate Hypersensitivity to Contrast Agents: The French 5-year CIRTACI Study

    Clement, Olivier, Dewachter, Pascale, Mouton-Faivre, Claudie, Nevoret, Camille, Guilloux, Laurence, Bloch Morot, Evelyne, Katsahian, Sandrine, Laroche, Dominique, Audebert, Martine, Benabes-Jezraoui, Béatrice, Benoit, Yves, Beot, Sylvie, Berard, Frédéric, Berthezene, Yves, Bertrand, Philippe, Bouffard, Juliette, Bourrain
    EClinicalMedicine, July 2018, Vol.1, pp.51-61 [Peer Reviewed Journal]
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    Title: Immediate Hypersensitivity to Contrast Agents: The French 5-year CIRTACI Study
    Author: Clement, Olivier; Dewachter, Pascale; Mouton-Faivre, Claudie; Nevoret, Camille; Guilloux, Laurence; Bloch Morot, Evelyne; Katsahian, Sandrine; Laroche, Dominique; Audebert, Martine; Benabes-Jezraoui, Béatrice; Benoit, Yves; Beot, Sylvie; Berard, Frédéric; Berthezene, Yves; Bertrand, Philippe; Bouffard, Juliette; Bourrain
    Subject: Life Sciences ; Human Health and Pathology ; Medicine;
    Description: Iodinated and gadolinium-based contrast media (ICM; GBCM) induce immediate hypersensitivity (IH) reactions. Differentiating allergic from non-allergic IH is crucial; allergy contraindicates the culprit agent for life. We studied frequency of allergic IH among ICM or GBCM reactors. Patients were recruited in 31 hospitals between 2005 and 2009. Clinical symptoms, plasma histamine and tryptase concentrations and skin tests were recorded. Allergic IH was diagnosed by intradermal tests (IDT) with the culprit CM diluted 1:10, "potentially allergic" IH by positive IDT with pure CM, and non-allergic IH by negative IDT. Among 245 skin-tested patients (ICM = 209; GBCM = 36), allergic IH to ICM was identified in 41 (19.6%) and to GBCM in 10 (27.8%). Skin cross-reactivity was observed in 11 patients with ICM (26.8%) and 5 with GBCM (50%). Allergy frequency increased with clinical severity and histamine and tryptase concentrations (p 
    Is part of: EClinicalMedicine, July 2018, Vol.1, pp.51-61
    Identifier: 2589-5370 (E-ISSN); 31193689 Version (PMID); 10.1016/j.eclinm.2018.07.002 (DOI)

    • Several versions

    Measurement of prompt J/ ψ and beauty hadron production cross sections at mid-rapidity in pp collisions at $ \sqrt{s}=7 $ TeV

    Abelev, Betty, Adam, Jaroslav, Adamova, Dagmar, Adare, Andrew, Aggarwal, Madan, Rinella, Gianluca, Agocs, Andras, Agostinelli, Andrea, Salazar, Saul, Ahammed, Zubayer, Ahmad, Arshad, Ahmad, Nazeer, Ahn, Sul-Ah, Ahn, Sang, Akindinov, Alexander, Aleksandrov, Dmitry, Alessandro, Bruno, Molina, Jose, Alici, Andrea, Alkin, Anton, Avina, Erick, Alme, Johan, Alt, Torsten, Altini, Valerio, Altinpinar, Sedat, Altsybeev, Igor, Andrei, Cristian, Andronic, Anton, Anguelov, Venelin, Anielski, Jonas, Anson, Christopher, Anticic, Tome, Antinori, Federico, Antonioli, Pietro, Aphecetche, Laurent, Appelshauser, Harald, Arbor, Nicolas, Arcelli, Silvia, Arend, Andreas, Armesto, Nestor, Arnaldi, Roberta, Aronsson, Tomas, Arsene, Ionut, Arslandok, Mesut, Asryan, Andzhey, Augustinus, Andre, Averbeck, Ralf, Awes, Terry, Aysto, Juha, Azmi, Mohd, Bach, Matthias, Badala, Angela, Baek, Yong, Bailhache, Raphaelle, Bala, Renu, Ferroli, Rinaldo, Baldisseri, Alberto, Baldit, Alain, Santos Pedrosa, Fernando, Ban, Jaroslav, Baral, Rama, Barbera, Roberto, Barile, Francesco, Barnafoldi, Gergely, Barnby, Lee, Barret, Valerie, Bartke, Jerzy, Basile, Maurizio, Bastid, Nicole, Basu, Sumit, Bathen, Bastian, Batigne, Guillaume, Batyunya, Boris, Baumann, Christoph, Bearden, Ian, Beck, Hans, Behera, Nirbhay, Belikov, Iouri, Bellini, Francesca, Bellwied, Rene, Belmont-Moreno, Ernesto, Bencedi, Gyula, Beole, Stefania, Berceanu, Ionela, Bercuci, Alexandru, Berdnikov, Yaroslav, Berenyi, Daniel, Bergognon, Anais, Berzano, Dario, Betev, Latchezar, Bhasin, Anju, Bhati, Ashok, Bhom, Jihyun, Bianchi, Livio, Bianchi, Nicola, Bianchin, Chiara, Bielcik, Jaroslav, Bielcikova, Jana, Bilandzic, Ante, Bjelogrlic, Sandro, Blanco, F., Blanco, Francesco, Blau, Dmitry, Blume, Christoph, Boccioli, Marco, Bock, Nicolas, Boettger, Stefan, Bogdanov, Alexey, Boggild, Hans, Bogolyubsky, Mikhail, Boldizsar, Laszlo, Bombara, Marek, Book, Julian, Borel, Herve, Borissov, Alexander, Bose, Suvendu, Bossu, Francesco, Botje, Michiel, Boyer, Bruno, Braidot, Ermes, Braun-Munzinger, Peter, Bregant, Marco, Breitner, Timo, Browning, Tyler, Broz, Michal, Brun, Rene, Bruna, Elena, Bruno, Giuseppe, Budnikov, Dmitry, Buesching, Henner, Bufalino, Stefania, Bugaiev, Kyrylo, Busch, Oliver, Buthelezi, Edith, Orduna, Diego, Caffarri, Davide, Cai, Xu, Caines, Helen, Villar, Ernesto, Camerini, Paolo, Roman, Veronica, Romeo, Giovanni, Carena, Francesco, Carena, Wisla, Filho, Nelson, Carminati, Federico, Montoya, Camilo, Diaz, Amaya, Castellanos, Javier, Hernandez, Juan, Casula, Ester, Catanescu, Vasile, Cavicchioli, Costanza, Sanchez, Cesar, Cepila, Jan, Cerello, Piergiorgio, Chang, Beomsu, Chapeland, Sylvain, Charvet, Jean-Luc, Chattopadhyay, Subhasis, Chattopadhyay, Sukalyan, Chawla, Isha, Cherney, Michael, Cheshkov, Cvetan, Cheynis, Brigitte, Barroso, Vasco, Chinellato, David, Chochula, Peter, Chojnacki, Marek, Choudhury, Subikash, Christakoglou, Panagiotis, Christensen, Christian, Christiansen, Peter, Chujo, Tatsuya, Chung, Suh-Urk, Cicalo, Corrado, Cifarelli, Luisa, Cindolo, Federico, Cleymans, Jean, Coccetti, Fabrizio, Colamaria, Fabio, Colella, Domenico, Balbastre, Gustavo, Valle, Zaida, Constantin, Paul, Contin, Giacomo, Contreras, Jesus, Cormier, Thomas, Morales, Yasser, Cortese, Pietro, Maldonado, Ismael, Cosentino, Mauro, Costa, Filippo, Cotallo, Manuel, Crescio, Elisabetta, Crochet, Philippe, Alaniz, Emilia, Cuautle, Eleazar, Cunqueiro, Leticia, Dainese, Andrea, Dalsgaard, Hans, Danu, Andrea, Das, Debasish, Das, Indranil, Das, Kushal, Dash, Sadhana, Dash, Ajay, De, Sudipan, Barros, Gabriel, Caro, Annalisa, Cataldo, Giacinto, Cuveland, Jan, Falco, Alessandro, Gruttola, Daniele, Delagrange, Hugues, Deloff, Andrzej, Demanov, Vyacheslav, Marco, Nora, Denes, Ervin, Pasquale, Salvatore, Deppman, Airton, D’Erasmo, Ginevra, Rooij, Raoul, Corchero, Miguel, Bari, Domenico, Giglio, Carmelo, Dietel, Thomas, Liberto, Sergio, Mauro, Antonio, Nezza, Pasquale, Divia, Roberto, Djuvsland, Oeystein, Dobrin, Alexandru, Dobrowolski, Tadeusz, Dominguez, Isabel, Donigus, Benjamin, Dordic, Olja, Driga, Olga, Dubey, Anand, Ducroux, Laurent, Dupieux, Pascal, Majumdar, Mihir, Majumdar, A., Elia, Domenico, Emschermann, David, Engel, Heiko, Erdal, Hege, Espagnon, Bruno, Estienne, Magali, Esumi, Shinichi, Evans, David, Eyyubova, Gyulnara, Fabris, Daniela, Faivre, Julien, Falchieri, Davide, Fantoni, Alessandra, Fasel, Markus, Fearick, Roger, Fedunov, Anatoly, Fehlker, Dominik, Feldkamp, Linus, Felea, Daniel, Fenton-Olsen, Bo, Feofilov, Grigory, Tellez, Arturo, Ferretti, Alessandro, Ferretti, Roberta, Figiel, Jan, Figueredo, Marcel, Filchagin, Sergey, Finogeev, Dmitry, Fionda, Fiorella, Fiore, Enrichetta, Floris, Michele, Foertsch, Siegfried, Foka, Panagiota, Fokin, Sergey, Fragiacomo, Enrico, Frankenfeld, Ulrich, Fuchs, Ulrich, Furget, Christophe, Girard, Mario, Gaardhoje, Jens, Gagliardi, Martino, Gago, Alberto, Gallio, Mauro, Gangadharan, Dhevan, Ganoti, Paraskevi, Garabatos, Jose, Garcia-Solis, Edmundo, Garishvili, Irakli, Gerhard, Jochen, Germain, Marie, Geuna, Claudio, Gheata, Andrei, Gheata, Mihaela, Ghidini, Bruno, Ghosh, Premomoy, Gianotti, Paola, Girard, Martin, Giubellino, Paolo, Gladysz-Dziadus, Ewa, Glassel, Peter, Gomez, Ramon, Gonschior, Alexey, Ferreiro, Elena, Gonzalez-Trueba, Laura, Gonzalez-Zamora, Pedro, Gorbunov, Sergey, Goswami, Ankita, Gotovac, Sven, Grabski, Varlen, Graczykowski, Lukasz, Grajcarek, Robert, Grelli, Alessandro, Grigoras, Costin, Grigoras, Alina, Grigoriev, Vladislav, Grigoryan, Ara, Grigoryan, Smbat, Grinyov, Boris, Grion, Nevio, Gros, Philippe, Grosse-Oetringhaus, Jan, Grossiord, Jean-Yves, Grosso, Raffaele, Guber, Fedor, Guernane, Rachid, Gutierrez, Cesar, Guerzoni, Barbara, Guilbaud, Maxime, Gulbrandsen, Kristjan, Gunji, Taku, Gupta, Anik, Gupta, Ramni, Gutbrod, Hans, Haaland, Oystein, Hadjidakis, Cynthia, Haiduc, Maria, Hamagaki, Hideki, Hamar, Gergoe, Han, Byounghee, Hanratty, Luke, Hansen, Alexander, Harmanova, Zuzana, Harris, John, Hartig, Matthias, Hasegan, Dumitru, Hatzifotiadou, Despoina, Hayrapetyan, Arsen, Heckel, Stefan, Heide, Markus, Helstrup, Haavard, Herghelegiu, Andrei, Corral, Gerardo, Herrmann, Norbert, Hess, Benjamin, Hetland, Kristin, Hicks, Bernard, Hille, Per, Hippolyte, Boris, Horaguchi, Takuma, Hori, Yasuto, Hristov, Peter, Hrivnacova, Ivana, Huang, Meidana, Humanic, Thomas, Hwang, Dae, Ichou, Raphaelle, Ilkaev, Radiy, Ilkiv, Iryna, Inaba, Motoi, Incani, Elisa, Innocenti, Gian, Innocenti, Pier, Ippolitov, Mikhail, Irfan, Muhammad, Ivan, Cristian, Ivanov, Vladimir, Ivanov, Marian, Ivanov, Andrey, Ivanytskyi, Oleksii, Jacholkowski, Adam, Jacobs, Peter, Jang, Haeng, Jangal, Swensy, Janik, Malgorzata, Janik, Rudolf, Jayarathna, Sandun, Jena, Satyajit, Jha, Deeptanshu, Bustamante, Raul, Jirden, Lennart, Jones, Peter, Jung, Hyung, Jusko, Anton, Kaidalov, Alexei, Kakoyan, Vanik, Kalcher, Sebastian, Kalinak, Peter, Kalliokoski, Tuomo, Kalweit, Alexander, Kanaki, Kalliopi, Kang, Ju, Kaplin, Vladimir, Uysal, Ayben, Karavichev, Oleg, Karavicheva, Tatiana, Karpechev, Evgeny, Kazantsev, Andrey, Kebschull, Udo, Keidel, Ralf, Khan, Palash, Khan, Mohisin, Khan, Shuaib, Khanzadeev, Alexei, Kharlov, Yury, Kileng, Bjarte, Kim, Do, Kim, Mimae, Kim, Minwoo, Kim, Seon, Kim, Dong, Kim, Se, Kim, Jonghyun, Kim, Jin, Kim, Beomkyu, Kim, Taesoo, Kirsch, Stefan, Kisel, Ivan, Kiselev, Sergey, Kisiel, Adam, Klay, Jennifer, Klein, Jochen, Klein-Bosing, Christian, Kliemant, Michael, Kluge, Alexander, Knichel, Michael, Knospe, Anders, Koch, Kathrin, Kohler, Markus, Kolojvari, Anatoly, Kondratiev, Valery, Kondratyeva, Natalia, Konevskih, Artem, Korneev, Andrey, Kour, Ravjeet, Kowalski, Marek, Kox, Serge, Meethaleveedu, Greeshma, Kral, Jiri, Kralik, Ivan, Kramer, Frederick, Kraus, Ingrid, Krawutschke, Tobias, Krelina, Michal, Kretz, Matthias, Krivda, Marian, Krizek, Filip, Krus, Miroslav, Kryshen, Evgeny, Krzewicki, Mikolaj, Kucheriaev, Yury, Kuhn, Christian, Kuijer, Paul, Kulakov, Igor, Kumar, Jitendra, Kurashvili, Podist, Kurepin, A., Kurepin, A., Kuryakin, Alexey, Kushpil, Vasily, Kushpil, Svetlana, Kvaerno, Henning, Kweon, Min, Kwon, Youngil, Guevara, Pedro, Lakomov, Igor, Langoy, Rune, Pointe, Sarah, Lara, Camilo, Lardeux, Antoine, Rocca, Paola, Lazzeroni, Cristina, Lea, Ramona, Bornec, Yves, Lechman, Mateusz, Lee, Sung, Lee, Ki, Lee, Graham, Lefevre, Frederic, Lehnert, Joerg, Leistam, Lars, Lenhardt, Matthieu, Lenti, Vito, Leon, Hermes, Leoncino, Marco, Monzon, Ildefonso, Vargas, Hermes, Levai, Peter, Lien, Jorgen, Lietava, Roman, Lindal, Svein, Lindenstruth, Volker, Lippmann, Christian, Lisa, Michael, Liu, Lijiao, Loenne, Per-Ivar, Loggins, Vera, Loginov, Vitaly, Lohn, Stefan, Lohner, Daniel, Loizides, Constantinos, Loo, Kai, Lopez, Xavier, Torres, Ernesto, Lovhoiden, Gunnar, Lu, Xianguo, Luettig, Philipp, Lunardon, Marcello, Luo, Jiebin, Luparello, Grazia, Luquin, Lionel, Luzzi, Cinzia, Ma, Rongrong, Ma, Ke, Madagodahettige-Don, Dilan, Maevskaya, Alla, Mager, Magnus, Mahapatra, Durga, Maire, Antonin, Malaev, Mikhail, Cervantes, Ivonne, Malinina, Ludmila, Mal’Kevich, Dmitry, Malzacher, Peter, Mamonov, Alexander, Manceau, Loic, Mangotra, Lalit, Manko, Vladislav, Manso, Franck, Manzari, Vito, Mao, Yaxian, Marchisone, Massimiliano, Mares, Jiri, Margagliotti, Giacomo, Margotti, Anselmo, Marin, Ana, Tobon, Cesar, Markert, Christina, Martashvili, Irakli, Martinengo, Paolo, Martinez, Mario, Davalos, Arnulfo, Garcia, Gines, Martynov, Yevgen, Mas,...
    Journal of High Energy Physics, 2012, Vol.2012(11), pp.1-31 [Peer Reviewed Journal]

    • Several versions

    Underlying Event measurements in pp collisions at and 7 TeV with the ALICE experiment at the LHC

    Quintana, Arian, Rinella, Gianluca, Agostinelli, Andrea, Nazeer, Ahmad, Ahmad, Arshad, Ahn, Sang, Bruno, Alessandro, Alici, Andrea, Alt, Torsten, Anson, Christopher, Tome, Anticic, Aphecetche, Laurent, Arcelli, Silvia, Arend, Andreas, Arnaldi, Roberta, Aronsson, Tomas, Arsene, Ionut, Averbeck, Ralf, Awes, Terry, Bach
    Journal of High Energy Physics, Jul 2012, Vol.2012(7) [Peer Reviewed Journal]

    • Conference Proceeding
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    Development of a Transparent Profiler Based on Secondary Electrons Emission for Charged Particle Beams

    Thiebaux, Christophe, Blain, Guillaume, Boyer, Bruno, Delagnes, Eric, Gebreyohannes, Fikre Tsigabu, Geerebaert, Yannick, Gevin, Olivier, Haddad, Ferid, Koumeir, Charbel, Magniette, Frederic, Manigot, Pascal, Michel, Nathalie, Poirier, Freddy, Servagent, Noël, Sounalet, Thomas, Verderi, Marc
    22nd International Conference on Cyclotrons and their Applications (CYC2019), 2020, p.THB04
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    Title: Development of a Transparent Profiler Based on Secondary Electrons Emission for Charged Particle Beams
    Author: Thiebaux, Christophe; Blain, Guillaume; Boyer, Bruno; Delagnes, Eric; Gebreyohannes, Fikre Tsigabu; Geerebaert, Yannick; Gevin, Olivier; Haddad, Ferid; Koumeir, Charbel; Magniette, Frederic; Manigot, Pascal; Michel, Nathalie; Poirier, Freddy; Servagent, Noël; Sounalet, Thomas; Verderi, Marc
    Subject: Physics ; Physics ; Accelerator Physics ; Radiation ; Electron ; Proton ; Detector ; Cyclotron ; Physics
    Description: The PEPITES project* aims at realizing an operational prototype of an ultra-thin, radiation-resistant profiler able to permanently operate on mid-energy (O(100 MeV)) charged particle accelerators. PEPITES uses secondary electron emission (SEE) for the signal because it requires only a minimal thickness of material (10 nm); very linear, it also offers a great dynamic. The lateral beam profile is sampled using segmented electrodes, constructed by thin film methods. Gold strips, as thin as the electrical conductivity allows (~ 50 nm), are deposited on an as thin as possible insulating substrate. When crossing the gold, the beam ejects the electrons by SEE, the current thus formed in each strip allows the sampling. The technique was validated at ARRONAX with 68 MeV proton beams for intensities from 100 fA to 10 nA. SEE is characterized up to 100 nA at ARRONAX and medical energies at CPO**. Electrodes were subjected to doses of up to 10⁹ Gy without showing significant degradation....
    Is part of: 22nd International Conference on Cyclotrons and their Applications (CYC2019), 2020, p.THB04
    Identifier: 10.18429/JACoW-Cyclotrons2019-THB04 (DOI)