373 results on '"K. Genser"'
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2. G4Opticks for liquid Argon TPC's
- Author
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K. Genser, Alexei Strelchenko, Sun Jun, and Hans Wenzel
- Subjects
Materials science ,Analytical chemistry ,Liquid argon - Published
- 2020
3. Electromagnetic physics vectorization in the GeantV transport framework
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Patricia Mendez, Philippe Canal, Ryan Schmitz, Mihaela Gheata, Jesus Martinez Castro, Elena D. Orlova, Farah Hariri, Gul Ruk Khattak, Dmitri Konstantinov, Mihaly Novak, Sofia Vallecorsa, Ananya, Dmitry Savin, Soon Yung Jun, Pere Mato, A. Bhattacharyya, Ivanchenko Vladimir, Victor Daniel Elvira, Alberto Ribon, Federico Carminati, Guilherme Amadio, Harpool Kumawat, Marilena Bandieramonte, John Apostolakis, Aldo Miranda Aguillar, Jose Guilherme Lima, I. Goulas, O Shadura, S.P. Behera, G. Cosmo, Raman Sehgal, Rene Brun, W. Pokorski, Vitalji Drohan, Andrei Gheata, Shruti Sharan, Katalin Nikolics, Kevin Pedro, Sandro Christian Wenzel, and K. Genser
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020203 distributed computing ,Physics ,QC1-999 ,Scalar (physics) ,020207 software engineering ,02 engineering and technology ,Future Circular Collider ,Computational science ,Computing and Computers ,Alpha (programming language) ,Flow (mathematics) ,Proof of concept ,Vectorization (mathematics) ,0202 electrical engineering, electronic engineering, information engineering ,Benchmark (computing) ,SIMD - Abstract
The development of the GeantV Electromagnetic (EM) physics package has evolved following two necessary paths towards code modernization. A first phase required the revision of the main electromagnetic physics models and their implementation. The main objectives were to improve their accuracy, extend them to the new high-energy frontier posed by the Future Circular Collider (FCC) programme and allow a better adaptation to a multi-particle flow. Most of the EM physics models in GeantV have been reviewed from theoretical perspective and rewritten with vector-friendly implementations, being now available in scalar mode in the alpha release. The second phase consists of a thorough investigation on the possibility to vectorise the most CPU-intensive physics code parts, such as final state sampling. We have shown the feasibility of implementing electromagnetic physics models that take advantage of SIMD/SIMT architectures, thus obtaining gains in performance. After this phase, the time has come for the GeantV project to take a step forward towards the final proof of concept. This takes shape through the testing of the full simulation chain (transport + physics + geometry) running in vectorized mode. In this paper we will present the first benchmark results obtained after vectorizing a full set of electromagnetic physics models.
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- 2019
4. GEANT4 Parameter Tuning Using Professor
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S. Y. Jun, K. Genser, M. Kelsey, R. Hatcher, V. Uzhinsky, Alberto Ribon, Tatsumi Koi, Victor Daniel Elvira, Gabriel Perdue, J. Yarba, L. Fields, Douglas Wright, and Vladimir Ivanchenko
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Work (thermodynamics) ,Physics - Instrumentation and Detectors ,Computer science ,Hadron ,Degrees of freedom (statistics) ,FOS: Physical sciences ,Kinematics ,01 natural sciences ,High Energy Physics - Experiment ,030218 nuclear medicine & medical imaging ,03 medical and health sciences ,High Energy Physics - Experiment (hep-ex) ,0302 clinical medicine ,0103 physical sciences ,Statistical physics ,Detectors and Experimental Techniques ,physics.ins-det ,Instrumentation ,Mathematical Physics ,Physics::Computational Physics ,hep-ex ,010308 nuclear & particles physics ,Detector ,Interaction model ,Instrumentation and Detectors (physics.ins-det) ,Parametrization ,Particle Physics - Experiment ,Free parameter - Abstract
The Geant4 toolkit is used extensively in high energy physics to simulate the passage of particles through matter and to predict effects such as detector efficiencies and smearing. Geant4 uses many underlying models to predict particle interaction kinematics, and uncertainty in these models leads to uncertainty in high energy physics measurements. The Geant4 collaboration recently made free parameters in some models accessible through partnership with Geant4 developers. We present a study of the impact of varying parameters in three Geant4 hadronic physics models on agreement with thin target datasets and describe fits to these datasets using the Professor model tuning framework. We find that varying parameters produces substantially better agreement with some datasets, but that more degrees of freedom are required for full agreement. This work is a first step towards a common framework for propagating uncertainties in Geant4 models to high energy physics measurements, and we outline future work required to complete that goal., Comment: 44 pages, 36 figures. Replaced with published version
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- 2019
- Full Text
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5. A Roadmap for HEP Software and Computing R&D for the 2020s
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Robert Currie, A.A. Alves, Armin Michael Nairz, A. Valassi, Hadrien Grasland, Nurcan Ozturk, Gianluca Cerminara, Davide Costanzo, Gabriel Perdue, G Lima, W. Pokorski, Renaud Vernet, Jürgen Reuter, Marian Babik, Glenn Patrick, Giacomo Govi, David Crooks, Sergio F Novaes, Mihaly Novak, Paul Laycock, Eric Lancon, J. R. G. Fernandez, Torben Ferber, Steven Farrell, Nicolo Magini, Josh Mcfayden, Sean Murray, Gordon Watts, B. K. Jashal, Isidro Gonzalez Caballero, Jacob Linacre, Frank Wuerthwein, Margaret Votava, Dirk Duellmann, Alessandra Forti, Peter van Gemmeren, Patricia Mendez Lorenzo, Jan Iven, Giovanni Franzoni, Charles Leggett, Sw. Banerjee, T. Kuhr, Markus Schulz, Alberto Ribon, Christopher Tunnell, Valentin Kuznetsov, Roger Jones, Frank Winklmeier, Claudio Grandi, Peter Elmer, Sünje Dallmeier-Tiessen, Gordon Stewart, Giordon Stark, Benedikt Hegner, Giuseppe Bagliesi, Catrin Bernius, Burt Holzman, Nguyen Anh-Ky, Alex Pearce, Gancho Dimitrov, Ian Bird, H. Schellman, Scott Snyder, Gloria Corti, Walter Lampl, Edward Moyse, E. Cogneras, Alexei Klimentov, Frederic Derue, Taylor Childers, K. Genser, J. Cranshaw, Manuel Giffels, Andrew Buckley, Shawn McKee, Marilena Bandieramonte, C. Bozzi, Adam L. Lyon, Heather Gray, Oliver Keeble, Todor Ivanov, Vakhtang Tsulaia, Daniel S. Katz, Gerhard Raven, Renato Santana, Agnieszka Dziurda, Marco Clemencic, Borut Paul Kerševan, Philip Chang, Johannes Elmsheuser, Carl Vuosalo, Gian Piero Siroli, Javier Cervantes Villanueva, Daniele Bonacorsi, Mark Hodgkinson, Vladimir Gligorov, Graeme A. Stewart, L. Grillo, Jakob Blomer, Markus Klute, Kevin Pedro, Michela Paganini, Sabine Crépé-Renaudin, Marko Bracko, G. Cosmo, Eduardo Rodrigues, Dmitri Konstantinov, Kaushik De, Jose Benito Gonzalez Lopez, Oliver Gutsche, Miron Livny, Farah Hariri, Teng Li, Laurent Duflot, U. Tamponi, Alaettin Serhan Mete, Jose M Hernandez, Frank Jm Geurts, Ulrik Egede, Jose Flix, Richard Mount, G. Andronico, Dario Menasce, David Lange, Steven Schramm, Vardan Gyurjyan, Lukas Heinrich, Maria Girone, Dorian Kcira, Giulio Eulisse, Alberto Sánchez-Hernández, Francesco Polci, Antonio Boveia, T. J. Smith, Peter Clarke, Ivan Glushkov, Stewart Martin-Haugh, Jeff Templon, H. Meinhard, James Robinson, David Colling, Jean-Roch Vlimant, Michael Kagan, Luca Atzori, Riccardo-Maria Bianchi, Douglas Benjamin, Kyle Cranmer, S. Fuess, Andre Sailer, Sofia Vallecorsa, Gianpaolo Carlino, Torre Wenaus, Gang Chen, Salvatore Di Guida, Soon Yung Jun, Tomas Lindén, Giacomo Tenaglia, Grigori Rybkine, Michael H. Seymour, Albert De Roeck, Simone Campana, Mario Lassnig, Andrea Sartirana, B. Viren, Andrea Formica, Leo Piilonen, John Harvey, Birgit Lewendel, Panagiotis Spentzouris, Sally Seidel, Andrea Sciabà, Stefano Belforte, Dave Dykstra, Leonardo Cristella, Douglas Gingrich, Lorenzo Moneta, Gerardo Ganis, Lorenzo Rinaldi, Meghan Kane, Zhang Xiao-Mei, John Apostolakis, Bodhitha Jayatilaka, M. D. Sokoloff, Thomas Hauth, Carlos Vázquez Sierra, Laurent Bernard Aphecetche, Xingtao Huang, Kajari Mazumdar, R. Mehdiyev, Antonio María Pérez-Calero Yzquierdo, Thomas McCauley, Mike Williams, M. S. Neubauer, Michael Hildreth, Stefan Roiser, Stefano Giagu, Peter Zahariev Hristov, Anyes Taffard, A. Petzold, Martin Barisits, Edward Karavakis, Jing-Ge Shiu, Alessandro Di Girolamo, Jim Kowalkowski, Andreas Heiss, Tai Sakuma, V. Daniel Elvira, Jeremy Coles, Davide Sgalaberna, Johannes Albrecht, James Chapman, Tomasz Bold, Antonio Delgado Peris, Robert Gardner, Andrew McNab, Christoph Wissing, Romain Wartel, Sandro Christian Wenzel, Ian Fisk, Vladimir Ivanchenko, Ian Collier, Peter Love, Andres Pacheco Pages, Jim Pivarski, Edoardo Martelli, Vincent R. Pascuzzi, Michel Jouvin, Hartmut Stadie, Makoto Asai, Albert Puig Navarro, Gunter Quast, Troels Petersen, Wahid Bhimji, Brian Bockelman, Andrej Filipcic, B. Pearson, Stefan Hoeche, Luca Perrozzi, Jaroslava Schovancova, Z. Marshall, Marco Cattaneo, Vincent Garonne, Hannah Short, Danilo Piparo, Liviu Valsan, Lothar A. T. Bauerdick, Gareth Roy, Horst Severini, A. Oyanguren, Francesco Giacomini, Kenneth Bloom, A. Gellrich, Marko Petrič, Efe Yazgan, Samuel Cadellin Skipsey, Andrea Dotti, W. Gohn, Wen Guan, Tommaso Boccali, C. Biscarat, Katarzyna Maria Dziedziniewicz-Wojcik, L. Kreczko, Simon George, Arturo Sánchez, Philippe Canal, Illya Shapoval, Caterina Doglioni, Ilya Komarov, Nuno Filipe Castro, Patrick Koppenburg, Jérôme Pansanel, Pere Mato, Wei Yang, Paolo Calafiura, Sezen Sekmen, C. Voss, David Britton, Thomas Hartmann, Guilherme Amadio, Andrew Norman, Michel De Cian, James Letts, Sebastian Lopienski, David Rousseau, Andrew Hanushevsky, Jamie Shiers, Andrei Gheata, Martin Ritter, Karolos Potamianos, Elizabeth Sexton-Kennedy, Michele Michelotto, Luca Canali, Cedric Serfon, Beate Heinemann, Giuseppe Lo Presti, J. Piedra, Fernanda Psihas, Ben Couturier, Robert K. Kutschke, Jovan Mitrevski, Charles William Kalderon, Benjamin Wynne, B. Morgan, Frank Gaede, Mihaela Gheata, Michael H Kirby, P. Buncic, Eric Wayne Vaandering, James Frost, Conor Fitzpatrick, Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - Faculté des Sciences et des Techniques, Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Clermont Auvergne (UCA)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), 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), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Institut Pluridisciplinaire Hubert Curien (IPHC), Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Centre de Calcul de l'IN2P3 (CC-IN2P3), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), HEP Software Foundation, Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Clermont Auvergne [2017-2020] (UCA [2017-2020])-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Université de Strasbourg (UNISTRA)-Université de Haute-Alsace (UHA) Mulhouse - Colmar (Université de Haute-Alsace (UHA))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Argonne National Laboratory, Brookhaven National Laboratory, Centro Brasileiro de Pesquisas Físicas, Centre de Calcul de l’IN2P3, University of Wisconsin-Madison, Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Cinvestav, INFN, Center for High Performance Computing, California Institute of Technology, Cornell University, Deutsches Elektronen-Synchrotron, École Polytechnique Fédérale de Lausanne (EPFL), ETH Zürich-Institute for Particle Physics and Astrophysics (IPA), Fermi National Accelerator Laboratory, University of Hamburg, Helsinki Institute of Physics, International Center for Theoretical Physics, Institut de Física d’Altes Energies and Departament de Física de la Universitat Autònoma de Barcelona and ICREA, CSIC-Universidad de Cantabria, Centro Mixto Universidad de Valencia-CSIC, Chinese Academy of Sciences, Indiana University, Università di Bologna, Politecnico di Bari, Università di Catania, Università e INFN Ferrara, INFN Sezione di Genova, INFN Sezione di Milano-Bicocca, Università di Napoli, Scuola Normale Superiore di Pisa, Università di Padova b, Università La Sapienza, Università di Trieste, INFN Sezione di Torino, IPHC UMR 7178, Imperial College London, CEA Saclay (Commissariat à l’Énergie Atomique), Newport News, Jožef Stefan Institute, Karlsruhe Institute of Technology, Faculty of Physics and Applied Computer Science, Kyungpook National University, Université Paris-Sud and CNRS/IN2P3, Lawrence Berkeley National Laboratory and University of California, Laboratório de Instrumentação e Física Experimental de Partículas (LIP), Université Paris-Saclay, Ludwig-Maximilians-Universität München, CNRS/IN2P3, Institut National Polytechnique de Grenoble, Massachusetts Institute of Technology, Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), University of Copenhagen, Nikhef National Institute for Subatomic Physics, New York University, University of Oregon, Universitat Autònoma de Barcelona (UAB), High Energy Physics (IHEP), STFC Rutherford Appleton Laboratory, Royal Holloway University of London, SLAC National Accelerator Laboratory, Simons Foundation, SoundCloud, CNRS-IN2P3, National Taiwan University, Tata Institute of Fundamental Research, Technische Universität Dortmund, University of Alberta, University of Arizona, University of Bristol, University of British Columbia, University of California Irvine, San Diego, University of Cambridge, University of Cape Town, Carleton University, University of Illinois Urbana-Champaign, University of Chicago, University of Cincinnati, Duke University, University of Edinburgh, Gangneung-Wonju National University, Université de Genève, University of Glasgow, Ruprecht-Karls-Universitat Heidelberg, University of Kentucky, Lancaster University, Jožef Stefan Institute and University of Ljubljana, Lunds Universitet, University of Manchester, University of Maribor, University of Massachusetts, The University of Michigan, Universidade do Minho, University of Nebraska-Lincoln, University of New Mexico, University of Notre Dame, University of Oklahoma, The Ohio State University, University of Oslo, Universidad de Oviedo, Oxford University, University of Pittsburgh, Princeton University, Rice University, Universidade Estadual Paulista (UNESP), University of Washington, Shandong University, University of Sheffield, University of Sofia, The University of Texas at Arlington, National Research Tomsk Polytechnic University, University of Toronto, Università di Udine, University of Warwick, Yale University, Universität Zürich, Vietnam Academy of Science and Technology (VAST), Virginia Tech, Vrije Universiteit Amsterdam, CERN, Albrecht, Johanne, Alves, Antonio Augusto, Amadio, Guilherme, Andronico, Giuseppe, Anh-Ky, Nguyen, Aphecetche, Laurent, Apostolakis, John, Asai, Makoto, Atzori, Luca, Babik, Marian, Bagliesi, Giuseppe, Bandieramonte, Marilena, Banerjee, Sunanda, Barisits, Martin, Bauerdick, Lothar A. T., Belforte, Stefano, Benjamin, Dougla, Bernius, Catrin, Bhimji, Wahid, Bianchi, Riccardo Maria, Bird, Ian, Biscarat, Catherine, Blomer, Jakob, Bloom, Kenneth, Boccali, Tommaso, Bockelman, Brian, Bold, Tomasz, Bonacorsi, Daniele, Boveia, Antonio, Bozzi, Concezio, Bracko, Marko, Britton, David, Buckley, Andy, Buncic, Predrag, Calafiura, Paolo, Campana, Simone, Canal, Philippe, Canali, Luca, Carlino, Gianpaolo, Castro, Nuno, Cattaneo, Marco, Cerminara, Gianluca, Cervantes Villanueva, Javier, Chang, Philip, Chapman, John, Chen, Gang, Childers, Taylor, Clarke, Peter, Clemencic, Marco, Cogneras, Eric, Coles, Jeremy, Collier, Ian, Colling, David, Corti, Gloria, Cosmo, Gabriele, Costanzo, Davide, Couturier, Ben, Cranmer, Kyle, Cranshaw, Jack, Cristella, Leonardo, Crooks, David, Crépé-Renaudin, Sabine, Currie, Robert, Dallmeier-Tiessen, Sünje, De, Kaushik, De Cian, Michel, De Roeck, Albert, Delgado Peris, Antonio, Derue, Frédéric, Di Girolamo, Alessandro, Di Guida, Salvatore, Dimitrov, Gancho, Doglioni, Caterina, Dotti, Andrea, Duellmann, Dirk, Duflot, Laurent, Dykstra, Dave, Dziedziniewicz-Wojcik, Katarzyna, Dziurda, Agnieszka, Egede, Ulrik, Elmer, Peter, Elmsheuser, Johanne, Elvira, V. Daniel, Eulisse, Giulio, Farrell, Steven, Ferber, Torben, Filipcic, Andrej, Fisk, Ian, Fitzpatrick, Conor, Flix, José, Formica, Andrea, Forti, Alessandra, Franzoni, Giovanni, Frost, Jame, Fuess, Stu, Gaede, Frank, Ganis, Gerardo, Gardner, Robert, Garonne, Vincent, Gellrich, Andrea, Genser, Krzysztof, George, Simon, Geurts, Frank, Gheata, Andrei, Gheata, Mihaela, Giacomini, Francesco, Giagu, Stefano, Giffels, Manuel, Gingrich, Dougla, Girone, Maria, Gligorov, Vladimir V., Glushkov, Ivan, Gohn, Wesley, Gonzalez Lopez, Jose Benito, González Caballero, Isidro, González Fernández, Juan R., Govi, Giacomo, Grandi, Claudio, Grasland, Hadrien, Gray, Heather, Grillo, Lucia, Guan, Wen, Gutsche, Oliver, Gyurjyan, Vardan, Hanushevsky, Andrew, Hariri, Farah, Hartmann, Thoma, Harvey, John, Hauth, Thoma, Hegner, Benedikt, Heinemann, Beate, Heinrich, Luka, Heiss, Andrea, Hernández, José M., Hildreth, Michael, Hodgkinson, Mark, Hoeche, Stefan, Holzman, Burt, Hristov, Peter, Huang, Xingtao, Ivanchenko, Vladimir N., Ivanov, Todor, Iven, Jan, Jashal, Brij, Jayatilaka, Bodhitha, Jones, Roger, Jouvin, Michel, Jun, Soon Yung, Kagan, Michael, Kalderon, Charles William, Kane, Meghan, Karavakis, Edward, Katz, Daniel S., Kcira, Dorian, Keeble, Oliver, Kersevan, Borut Paul, Kirby, Michael, Klimentov, Alexei, Klute, Marku, Komarov, Ilya, Konstantinov, Dmitri, Koppenburg, Patrick, Kowalkowski, Jim, Kreczko, Luke, Kuhr, Thoma, Kutschke, Robert, Kuznetsov, Valentin, Lampl, Walter, Lancon, Eric, Lange, David, Lassnig, Mario, Laycock, Paul, Leggett, Charle, Letts, Jame, Lewendel, Birgit, Li, Teng, Lima, Guilherme, Linacre, Jacob, Linden, Toma, Livny, Miron, Lo Presti, Giuseppe, Lopienski, Sebastian, Love, Peter, Lyon, Adam, Magini, Nicolò, Marshall, Zachary L., Martelli, Edoardo, Martin-Haugh, Stewart, Mato, Pere, Mazumdar, Kajari, McCauley, Thoma, McFayden, Josh, McKee, Shawn, McNab, Andrew, Mehdiyev, Rashid, Meinhard, Helge, Menasce, Dario, Mendez Lorenzo, Patricia, Mete, Alaettin Serhan, Michelotto, Michele, Mitrevski, Jovan, Moneta, Lorenzo, Morgan, Ben, Mount, Richard, Moyse, Edward, Murray, Sean, Nairz, Armin, Neubauer, Mark S., Norman, Andrew, Novaes, Sérgio, Novak, Mihaly, Oyanguren, Arantza, Ozturk, Nurcan, Pacheco Pages, Andre, Paganini, Michela, Pansanel, Jerome, Pascuzzi, Vincent R., Patrick, Glenn, Pearce, Alex, Pearson, Ben, Pedro, Kevin, Perdue, Gabriel, Perez-Calero Yzquierdo, Antonio, Perrozzi, Luca, Petersen, Troel, Petric, Marko, Petzold, Andrea, Piedra, Jónatan, Piilonen, Leo, Piparo, Danilo, Pivarski, Jim, Pokorski, Witold, Polci, Francesco, Potamianos, Karolo, Psihas, Fernanda, Puig Navarro, Albert, Quast, Günter, Raven, Gerhard, Reuter, Jürgen, Ribon, Alberto, Rinaldi, Lorenzo, Ritter, Martin, Robinson, Jame, Rodrigues, Eduardo, Roiser, Stefan, Rousseau, David, Roy, Gareth, Rybkine, Grigori, Sailer, Andre, Sakuma, Tai, Santana, Renato, Sartirana, Andrea, Schellman, Heidi, Schovancová, Jaroslava, Schramm, Steven, Schulz, Marku, Sciabà, Andrea, Seidel, Sally, Sekmen, Sezen, Serfon, Cedric, Severini, Horst, Sexton-Kennedy, Elizabeth, Seymour, Michael, Sgalaberna, Davide, Shapoval, Illya, Shiers, Jamie, Shiu, Jing-Ge, Short, Hannah, Siroli, Gian Piero, Skipsey, Sam, Smith, Tim, Snyder, Scott, Sokoloff, Michael D., Spentzouris, Panagioti, Stadie, Hartmut, Stark, Giordon, Stewart, Gordon, Stewart, Graeme A., Sánchez, Arturo, Sánchez-Hernández, Alberto, Taffard, Anye, Tamponi, Umberto, Templon, Jeff, Tenaglia, Giacomo, Tsulaia, Vakhtang, Tunnell, Christopher, Vaandering, Eric, Valassi, Andrea, Vallecorsa, Sofia, Valsan, Liviu, Van Gemmeren, Peter, Vernet, Renaud, Viren, Brett, Vlimant, Jean-Roch, Voss, Christian, Votava, Margaret, Vuosalo, Carl, Vázquez Sierra, Carlo, Wartel, Romain, Watts, Gordon T., Wenaus, Torre, Wenzel, Sandro, Williams, Mike, Winklmeier, Frank, Wissing, Christoph, Wuerthwein, Frank, Wynne, Benjamin, Xiaomei, Zhang, Yang, Wei, Yazgan, Efe, and Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])
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Nuclear and High Energy Physics ,HEP, software, computing, big science, HL-LHC ,Ciências Naturais::Ciências Físicas ,Process (engineering) ,Computer science ,Data management ,Ciências Físicas [Ciências Naturais] ,Other Fields of Physics ,FOS: Physical sciences ,Software performance testing ,Computing & software upgrade ,Software performance ,01 natural sciences ,programming ,High Energy Physics - Experiment ,High Energy Physics - Experiment (hep-ex) ,White paper ,Software ,0103 physical sciences ,Machine learning ,Computer Science (miscellaneous) ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,[INFO]Computer Science [cs] ,010306 general physics ,activity report ,Complement (set theory) ,Particle physics ,HL-LHC ,computing & software upgrade ,software performance ,machine learning ,hep-ex ,010308 nuclear & particles physics ,business.industry ,Computational Physics (physics.comp-ph) ,113 Computer and information sciences ,Investment (macroeconomics) ,Upgrade ,physics.comp-ph ,data management ,ddc:004 ,business ,Software engineering ,Physics - Computational Physics ,Particle Physics - Experiment - Abstract
Computing and software for big science 3(1), 7 (2019). doi:10.1007/s41781-018-0018-8, Particle physics has an ambitious and broad experimental programme for the coming decades. This programme requires large investments in detector hardware, either to build new facilities and experiments, or to upgrade existing ones. Similarly, it requires commensurate investment in the R&D of software to acquire, manage, process, and analyse the shear amounts of data to be recorded. In planning for the HL-LHC in particular, it is critical that all of the collaborating stakeholders agree on the software goals and priorities, and that the efforts complement each other. In this spirit, this white paper describes the R&D activities required to prepare for this software upgrade., Published by Springer International Publishing, Cham, Switzerland
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- 2019
6. Response to NITRD, NCO, NSF Request for Information on 'Update to the 2016 National Artificial Intelligence Research and Development Strategic Plan'
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Kevin Pedro, Nhan Tran, W. L. K. Wu, Stephen Mrenna, Camille Avestruz, A. Scheinker, B. Nord, James Annis, D. Elvira, Scott Dodelson, Chihway Chang, Panagiotis Spentzouris, Lindsey Gray, Oliver Gutsche, Gabriel Perdue, R. Kutschke, Risi Kondor, J. Einstein-Curtis, K. Genser, M. Franklin, Philip Harris, Rachel Mandelbaum, Clecio R. Bom, Jim Kowalkowski, D. Bowring, Laura Trouille, Lucianne M. Walkowicz, P. Fox, Arya Farahi, J. Amundson, A. Para, Shubhendu Trivedi, J. St. John, Jamie Kinney, Giuseppe Benedetto Cerati, H. Runesha, and João Caldeira
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Request for information ,Strategic planning ,Process (engineering) ,business.industry ,Accountability ,Artificial intelligence ,business ,National laboratory ,Transparency (behavior) ,Field (computer science) ,Pace - Abstract
We present a response to the 2018 Request for Information (RFI) from the NITRD, NCO, NSF regarding the "Update to the 2016 National Artificial Intelligence Research and Development Strategic Plan." Through this document, we provide a response to the question of whether and how the National Artificial Intelligence Research and Development Strategic Plan (NAIRDSP) should be updated from the perspective of Fermilab, America's premier national laboratory for High Energy Physics (HEP). We believe the NAIRDSP should be extended in light of the rapid pace of development and innovation in the field of Artificial Intelligence (AI) since 2016, and present our recommendations below. AI has profoundly impacted many areas of human life, promising to dramatically reshape society --- e.g., economy, education, science --- in the coming years. We are still early in this process. It is critical to invest now in this technology to ensure it is safe and deployed ethically. Science and society both have a strong need for accuracy, efficiency, transparency, and accountability in algorithms, making investments in scientific AI particularly valuable. Thus far the US has been a leader in AI technologies, and we believe as a national Laboratory it is crucial to help maintain and extend this leadership. Moreover, investments in AI will be important for maintaining US leadership in the physical sciences.
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- 2018
7. HEP Software Foundation Community White Paper Working Group - Detector Simulation
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Makoto Asai, Z. Marshall, Stefan Roiser, Michela Paganini, Mihaly Novak, James Chapman, Andrew Norman, M Rama, D Ruterbories, R Cenci, C Zhang, Pere Mato, Farah Hariri, Ivantchenko, Richard Mount, P Lebrun, L. F. de Oliveira, E Snider, Steven Farrell, G Lima, Sezen Sekmen, A. Dotti, Douglas Wright, S-Y Jun, B Siddi, Kevin Pedro, A. L. Lyon, X Qian, K. Genser, Andrei Gheata, J Yarba, Michael Mooney, T Junk, Sandro Christian Wenzel, R Hatcher, Mihaela Gheata, B. Viren, M Verderi, S Easo, M. H. Kirby, Robert K. Kutschke, John Apostolakis, Michael Hildreth, I Osborne, B Nachman, W. Pokorski, Riccardo-Maria Bianchi, Dmitri Konstantinov, L Fields, Alberto Ribon, H Wenzel, G. Cosmo, L Welty-Rieger, K Herner, S. Vallecorsa, Philippe Canal, J Raaf, Gloria Corti, J Mousseau, S. Banerjee, and T Yang
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Microprocessor ,White paper ,Software ,Scope (project management) ,law ,business.industry ,Detector ,Systems engineering ,Software performance testing ,business ,Field (computer science) ,law.invention ,Work Programme - Abstract
A working group on detector simulation was formed as part of the high-energy physics (HEP) Software Foundation's initiative to prepare a Community White Paper that describes the main software challenges and opportunities to be faced in the HEP field over the next decade. The working group met over a period of several months in order to review the current status of the Full and Fast simulation applications of HEP experiments and the improvements that will need to be made in order to meet the goals of future HEP experimental programmes. The scope of the topics covered includes the main components of a HEP simulation application, such as MC truth handling, geometry modeling, particle propagation in materials and fields, physics modeling of the interactions of particles with matter, the treatment of pileup and other backgrounds, as well as signal processing and digitisation. The resulting work programme described in this document focuses on the need to improve both the software performance and the physics of detector simulation. The goals are to increase the accuracy of the physics models and expand their applicability to future physics programmes, while achieving large factors in computing performance gains consistent with projections on available computing resources.
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- 2018
8. Recent progress with the top to bottom approach to vectorization in GeantV
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John Apostolakis, Mihaly Novak, W. Pokorski, Ryan Schmitz, Philippe Canal, Dmitri Konstantinov, Patricia Mendez, I. Goulas, Vitaliy Drohan, Gulrukh Khattak, Przemislaw Karpinski, G. Cosmo, Harphool Kumawat, G Lima, Shruti Sharan, Sofia Vallecorsa, Rene Brun, Alberto Ribon, D. Elvira, Ananya, Raman Sehgal, Guilherme Amadio, Dmitry Savin, Marilena Bandieramonte, Aldo Miranda Aguillar, A. Bhattacharyya, Vladimir Ivanchenko, S. P. Behera, Federico Carminati, Andrei Gheata, Gheata Mi-haela, Kevin Pedro, Soon Yung Jun, Elena D. Orlova, Farah Hariri, O Shadura, Jesus Martinez Castro, Sandro Christian Wenzel, Katalin Nikolics, and K. Genser
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Source lines of code ,Heuristic ,Physics ,QC1-999 ,Context (language use) ,Parallel computing ,computer.software_genre ,Computing and Computers ,Data flow diagram ,Code refactoring ,Image tracing ,Compiler ,SIMD ,computer - Abstract
SIMD acceleration can potentially boost by factors the application throughput. Achieving efficient SIMD vectorization for scalar code with complex data flow and branching logic, goes however way beyond breaking some loop dependencies and relying on the compiler. Since the refactoring effort scales with the number of lines of code, it is important to understand what kind of performance gains can be expected in such complex cases. We started to investigate a couple of years ago a top to bottom vectorization approach to particle transport simulation. Percolating vector data to algorithms was mandatory since not all the components can internally vectorize. Vectorizing low-level algorithms is certainly necessary, but not sufficient to achieve relevant SIMD gains. In addition, the overheads for maintaining the concurrent vector data flow and copy data have to be minimized. In the context of a vectorization R&D for simulation we developed a framework to allow different categories of scalar and vectorized components to co-exist, dealing with data flow management and real-time heuristic optimizations. The paper describes our approach on coordinating SIMD vectorization at framework level, making a detailed quantitative analysis of the SIMD gain versus overheads, with a breakdown by components in terms of geometry, physics and magnetic field propagation. We also present the more general context of this R&D work and goals for 2018.
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- 2019
9. The upgraded DO detector
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Vipin Bhatnagar, E. De La Cruz-Burelo, Laurent Chevalier, N. A. Kuchinsky, L. S. Vertogradov, Stephen Wimpenny, A. Bross, Y. Jacquier, Adam L. Lyon, Tiefu Zhao, N. Lahrichi, X. Zhang, T. Wlodek, B. Baumbaugh, Martin Grunewald, K. Genser, Ulrike Blumenschein, P. L.M. Podesta-Lerma, T. Marshall, Milos Lokajicek, Jean-Laurent Agram, Christian Autermann, A. Kostritski, Y. Arnoud, S. Lager, O. Dvornikov, M. Anastasoaie, U. Bassler, P. K. Mal, Darien Wood, Brad Abbott, Pierre Petroff, Sergey Denisov, D. Tompkins, P. Sheahan, S. E.K. Mattingly, M. Markus, V. Mikhailov, Chris Hays, K. J. Rani, A. Alton, V. V. Shary, L.V. Reddy, Vivek Jain, S. J. Hong, Paul Telford, Robert Hirosky, V. L. Malyshev, J. Rha, Alexander Khanov, F. Fleuret, Daniel R Claes, Yann Coadou, Nicholas John Hadley, C. P. Buszello, W. Kahl, S. Robinson, I. Churin, Regina Demina, R. Van Kooten, N. Jouravlev, Arnulf Quadt, Raimund Ströhmer, Michael A. Strauss, Michael Martens, R. Jayanti, B. Thooris, Marco Verzocchi, C. Magass, A. Besson, M. D. Corcoran, N. P. Kravchuk, V. A. Bezzubov, Elemer Nagy, G. Graham, Abdenour Lounis, A. Zieminski, Dugan O'Neil, E. G. Zverev, Joshua Thompson, R.J. Yarema, Arnaud Duperrin, H. S. Mao, V. Simak, Ted Zmuda, S. Blessing, Scott Snyder, V. S. Narasimhan, M. Abolins, J. P. Negret, D. Casey, E. Thomas, J. Huang, M. Vigneault, P. A. Rapidis, J. Lizarazo, A. M. Kalinin, V. M. Korablev, N. Spartana, Thomas Trefzger, E. J. Ramberg, S. N. Fatakia, Jaebeom Park, R. A. Sidwell, Suyong Choi, Rapson Gomez, A. Patwa, P. Padley, Denis Gelé, J. F. Bartlett, T. Moulik, R. P. Smith, Sophie Trincaz-Duvoid, M. Juarez, F. Borcherding, W. Pritchard, V. M. Podstavkov, Armen Vartapetian, R. J. Madaras, N. M. Cason, A. Goussiou, J. Steinberg, N. Gollub, R. F. Rodrigues, P. Lebrun, E. Machado, E. Hazen, R. Angstadt, D. Graham, S. N. Ahmed, B. Clement, Mitchell Wayne, D. Bonifas, Alberto Santoro, Yu. A. Gornushkin, David Colling, N. W. Reay, C. Rotolo, Christos Leonidopoulos, D. Beutel, J. Kasper, G. Sajot, J. Kozminski, Michael Shupe, Michael Hildreth, Dmitri Tsybychev, R. L. McCarthy, B. M. Sabirov, Y. Hu, C. Boswell, L. Lobo, Sascha Caron, H. Schellman, J. M. Kohli, R. DeMaat, G. Alkhazov, O. Boeriu, Marcia Begalli, J. G.R. Lima, Lorenzo Feligioni, Y. Kulik, L. Bagby, A. Yurkewicz, D. Kau, Kevin Black, Jovan Mitrevski, D. Toback, G. D. Alexeev, G. Martin-Chassard, A. Harel, Markus Klute, Sergio F Novaes, Norbert Wermes, K. Stevenson, Chris P. Barnes, B. Lavigne, Flera Rizatdinova, Ron Lipton, B. Olivier, S. Greder, Miguel Mostafa, Douglas Smith, Meenakshi Narain, Sherry Towers, Sarah Catherine Eno, Horst Severini, Ph Gris, A. Kryemadhi, Karel Smolek, J. P. Konrath, P. Schieferdecker, D. K. Cho, A. Stone, Wendy W. Davis, R. Zitoun, V. I. Rud, S. Söldner-Rembold, S. R. Hou, Alexandre Zabi, S. Uzunyan, Tobias Golling, Yonggang Huang, J. M. Hauptman, T. Scanlon, S. Kermiche, H. T. Diehl, T. A. Bolton, P. Verdier, Shuichi Kunori, Y. Pogorelov, J. Krane, P. Houben, R. Flores, K. M. Chan, Christian Zeitnitz, Cecilia Elena Gerber, Dhiman Chakraborty, V. Anosov, M. Roco, J. Womersley, Hyun-Chul Kim, John Parsons, Yurii Maravin, Junjie Zhu, F. Nang, Andrew White, R. Rechenmacher, Nikola Makovec, Mossadek Talby, B. Gómez, Yi Jiang, Suman Bala Beri, P. Laurens, M. Michaut, Gordon Watts, A. V. Kotwal, Harrison Prosper, Y. Xie, G. Ginther, D. Butler, J. Linnemann, Vivian O'Dell, H. Weerts, H. Dong, P. Ermolov, María Teresa Martín, M. Cooke, H. da Motta, D. Zieminska, M. Diesburg, D. Gillberg, A. A. Shishkin, A. Evdokimov, S. Desai, S. Grünendahl, J. Wittlin, Kristian Harder, V. Sirotenko, A. C. Le Bihan, Rupert Leitner, S. Fuess, M. Cristetiu, B. Davies, M. Wobisch, O. V. Eroshin, Y. Song, Md. Naimuddin, E. Chi, S.D. Kalmani, Shashikant Dugad, M. Merkin, Jianming Qian, J. Ellison, A. Juste, A. Melnitchouk, Steve Reucroft, Pm Tuts, P. Bonamy, Todd Adams, B. Gobbi, C. Tolian, M. Petteni, J. D. Degenhardt, S. W. Youn, E. Von Toerne, Wagner Carvalho, P. Demine, M.A. Baturitsky, J. M. Heinmiller, Hal Evans, Thomas Ferbel, A. K.A. Maciel, M. Ahsan, Sa. Jain, Dan Green, Emmanuel Busato, Alexander Leflat, V. M. Abazov, J. Raskowski, F. Touze, Nikos Varelas, L. Groer, A. M. Magnan, Thomas G Trippe, Karl Jakobs, A. Pompoš, T. Gadfort, A. S. Turcot, Phillip Gutierrez, Greg Landsberg, Sw. Banerjee, V. Hynek, Mark Raymond Adams, D. Karmanov, Q. Xu, T. Wijnen, M. Strovink, B. Connolly, L. Christofek, H. Zheng, D. Buchholz, Bing Zhou, Luis Mendoza, Lars Sonnenschein, G. Briskin, R. Hooper, D. Mendoza, T. Kurca, Pushpalatha C Bhat, S. Zviagintsev, A. Narayanan, M. B. Przybycien, Anurag Gupta, J. Lazoflores, A. Jonckheere, Marc Weber, S. Porokhovoy, P. Hanlet, Pedrame Bargassa, M. Utes, Pierre-Antoine Delsart, A. Jenkins, Helena Malbouisson, D. Chapin, Christophe Royon, Iain Alexander Bertram, V. V. Lipaev, K. Soustruznik, Kenneth Johns, M. Kopal, R. Chiche, Sudhir Malik, N. J. Buchanan, I. Ripp-Baudot, A. Meyer, P. Nagaraj, Jonas Strandberg, N. Parua, Ia Iashvili, J. Krider, R. K. Shivpuri, D. A. Stoyanova, K. Gounder, J. R. Kalk, Reiner Hauser, V. Buescher, Andrei Nomerotski, Michael Rijssenbeek, O. Atramentov, Sissel Hansen, A. Stefanik, W. D. Shephard, M. McKenna, Sharon Hagopian, K. Papageorgiou, V. Stolin, P. Skubic, Jean-Roch Vlimant, D. Skow, M. Vaz, Rodney Walker, Brajesh C Choudhary, M. Eads, M. Jaffré, M. A.C. Cummings, Raymond Brock, N. Wilcer, M. Larwill, V. Manakov, P. Tamburello, D. Coppage, G. Geurkov, J. N. Butler, R. Rucinski, Gavin Davies, Boaz Klima, P. van Gemmeren, S. Doulas, R. McCroskey, Andre Sznajder, J. Anderson, M. Doidge, L. Coney, T. Regan, Yuri Gershtein, F. Badaud, I. Katsanos, R. Beuselinck, P. D. Grannis, H. D. Wahl, T. Yasuda, V. White, S. N. Gurzhiev, A. Nurczyk, D. Wicke, Emmanuelle Perez, A. Baden, G. C. Blazey, Y. Yen, B. Zhang, Jean-Francois Grivaz, Y. A. Yatsunenko, S. H. Ahn, Arnaud Lucotte, B. Hoeneisen, Z. Ke, Alexander Kupco, J. Steele, N. A. Naumann, P.R. Vishwanath, H. J. Willutzki, J. Olsen, Y. Scheglov, Kaushik De, P. Russo, S. Baffioni, J. D. Hobbs, I. Hall, M. J. Ferreira, J. Warchol, A. Chandra, P. de Jong, Ricardo Piegaia, Florian Beaudette, M. Arov, R. Partridge, Gilvan Alves, J. Barreto, F. Yoffe, B. Satyanarayana, I.K. Prokhorov, K. Goldmann, B. Andrieu, P. Jonsson, E. Bockenthien, G. Bernardi, Freya Blekman, R. T. Neuenschwander, R. Hance, S. Tentindo-Repond, Carl Lindenmeyer, Heriberto Castilla-Valdez, D. Bauer, L. Canal, M. Bhattacharjee, F. Charles, G. Savage, I. Blackler, M. Bowden, Emanuela Barberis, Li Jingyuan, Kazunori Hanagaki, Dongliang Zhang, X. Meng, Marcel Vreeswijk, B. Spurlock, Thomas Hebbeker, M. Mulders, E.V. Komissarov, S. Chakrabarti, Peter Love, P. Johnson, P. Rubinov, T. Nunnemann, B. Baldin, A. Koubarovsky, C. Luo, Randy Ruchti, Manas Maity, M. A. Strang, J. Molina, C. Noeding, Reinhard Schwienhorst, M. H.G. Souza, Jan Stark, P. Polosov, Seo Won Lee, Henry Lubatti, Ashok Kumar, Charles Leggett, Juan Estrada, M. C. Cousinou, Julia S. Meyer, Zeno Dixon Greenwood, D. Käfer, A. Bellavance, M. Litmaath, A. A. Mayorov, K. W. Merritt, T. Vu Anh, M. Wegner, Mansoora Shamim, Carlos Avila, S. Sumowidagdo, S.A. Kahn, H. Greenlee, Sabine Crépé-Renaudin, J. Cammin, V. Oguri, C. Schwanenberger, W. M. Van Leeuwen, O. Peters, Marumi Kado, E. Galyaev, Liyuan Han, James C. Green, M. Zdrazil, Tulika Bose, S. Yacoob, C. Franklin, D. Huffman, W. M. Lee, N. Kirsch, P. Banerjee, M. Demarteau, A. Kharchilava, Z. M. Wang, David Miller, Carmen García, H. Haggerty, J. Dyer, A.A. Nozdrin, Gregory R Snow, G. Steinbrück, Andrew Brandt, S. Rapisarda, Andre Sopczak, M. Agelou, M. Binder, A. C.S. Assis Jesus, Guennadi Borissov, L. Sawyer, Philip Baringer, George Alverson, H. E. Fisk, Sergey Kuleshov, S. Protopopescu, Lev Dudko, C. Biscarat, E. Haggard, Aran Garcia-Bellido, P. Lewis, D. Hedin, M. Zanabria, Cristina Galea, Christophe Clement, D. Denisov, Elliott Cheu, S. Fu, W. C. Fisher, S. Moua, G. Gutierrez, Hwi Dong Yoo, S. Sengupta, A. S. Ito, Kirti Ranjan, H.E. Miettinen, Carsten Hensel, S. Kesisoglou, A. A. Vorobyov, A. V. Kozelov, D. Edmunds, M. Yan, S. Jabeen, Victor Daniel Elvira, S. Burke, W. E. Cooper, J. Hays, Xiuping Li, Q. Z. Li, V. V. Tokmenin, Neeti Parashar, S. Dean, Stephan Linn, A. Lobodenko, V. A. Bodyagin, Tae Jeong Kim, R. Bernhard, D. A. Wijngaarden, M. Gao, A. Cothenet, G. Hesketh, N. Oshima, M. P. Sanders, M. Zielinski, Daniel Bloch, J. Fast, Nikolay Terentyev, N. Wallace, M. Sosebee, Gustaaf Brooijmans, Sergey Burdin, A. Sanchez-Hernandez, Robert Kehoe, J. Lu, P. J. Van Den Berg, Jessica Levêque, K. Bos, Marc Besancon, J. Temple, T. Christiansen, Bobby Samir Acharya, H. A. Neal, Sung Keun Park, D. Meder, H. C. Shankar, V. Sorín, T. R. Wyatt, V. Zutshi, V. Vysotsky, B. G. Pope, M. A. Kubantsev, B. O. Oshinowo, W. Barg, Marvin Johnson, A. A. Schukin, M. R. Krishnaswamy, Sebastian Grinstein, O. Kouznetsov, E. Flattum, R. Yamada, M. Warsinsky, O. Bardon, T. Edwards, K. Yip, N. Xuan, L. Stutte, R. D. Schamberger, Timothy Andeen, R. E. Ray, L. Lueking, K. Krempetz, C. Miao, W. L. Prado Da Silva, S. Chopra, Andrew Askew, Zhengguo Zhao, Brigitte Vachon, D. Evans, Gregory J Pawloski, A.S. Dyshkant, M. Buehler, Jiri Kvita, V.V. Teterin, M. Lynker, J. Yu, X. F. Song, M. V. S. Rao, N. R. Stanton, J. Torborg, N. K. Mondal, Lev Uvarov, G. Le Meur, D. Shpakov, R. Jesik, S. Beauceron, Ariel Schwartzman, Melissa Ridel, Dorothee Schaile, G. Cisko, T. C. Bacon, Alexey Ferapontov, M. Wetstein, J. Bystricky, Zhenbin Wu, J. Foglesong, J. Fagan, Robert Harrington, A. Mendes, T. Fitzpatrick, Christian Schmitt, S. Nelson, R. Gelhaus, H. E. Montgomery, C. De La Taille, P. Mättig, K. Gray, E. Popkov, M. Hohlfeld, K. Del Signore, R. Illingworth, C. Han, D. Mihalcea, C. De Oliveira Martins, Victor Golovtsov, P. N. Ratoff, Emily Nurse, Elizabeth Gallas, T. McMahon, Maksym Titov, V. E. Kuznetsov, V. Gavrilov, D. Olis, Wendy Taylor, Allan G Clark, Roger Moore, R. Goodwin, Johannes Elmsheuser, J. T. Eltzroth, P. Neustroev, Laurent Duflot, David Cutts, R. Ramirez-Gomez, R. Kwarciany, Rupinder Kaur, Daniel Whiteson, Bradley Cox, S. J. De Jong, B. Kothari, J. Coss, D. Markley, A. A. Shchukin, L. Babukhadia, Frank Fiedler, E. Kajfasz, A. Magerkurth, A. Zatserklyaniy, N.A. Russakovich, M. Das, V. N. Evdokimov, Gervasio Gomez, Michael Begel, Eduardo De Moraes Gregores, G. A. Davis, Boris Tuchming, Luiz Mundim, J. F. Renardy, Limin Wang, Marc-Andre Pleier, M. Doets, N.V. Mokhov, B. Åsman, A. P. Heinson, T. H. Burnett, G. S. Muanza, R. E. Hall, D. Fein, M. Fortner, Don Lincoln, Erich Varnes, P. W. Balm, C. Hebert, Ulrich Heintz, M. Matulik, A. Bishoff, H. Jöstlein, S. Krzywdzinski, J. Green, A. Zylberstejn, Frank Filthaut, R. Kubinski, F. Lehner, D. M. Strom, B. C.K. Casey, Y. P. Merekov, E. Shabalina, J. Guglielmo, Kyoung-Ho Kim, Andy Haas, L. Phaf, G. W. Wilson, Frederic Deliot, Christopher George Tully, Y. M. Kharzheev, Patrick Slattery, G. J. Otero y Garzón, T. Toole, S. Uvarov, A. Boehnlein, H. L. Melanson, Ivor Fleck, J. Snow, B. Quinn, J. H. Christenson, Makoto Tomoto, David H. Adams, Alice Bean, F. Canelli, N. Oliveira, Maria Elena Pol, W. Gu, A. P. Kaan, J. Gardner, R. Choate, Walter Freeman, J. Kotcher, S. Anderson, Harald Fox, M. Vaupel, Y. D. Mutaf, I. A. Vasilyev, P. M. Perea, and F. Villeneuve-Seguier
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Nuclear and High Energy Physics ,Physics::Instrumentation and Detectors ,Tevatron ,01 natural sciences ,Particle detector ,law.invention ,Nuclear physics ,Data acquisition ,law ,0103 physical sciences ,Fermilab ,010306 general physics ,Collider ,Instrumentation ,Physics ,010308 nuclear & particles physics ,business.industry ,Detector ,Electrical engineering ,Particle accelerator ,D0 experiment ,Experimental High Energy Physics ,ComputingMethodologies_DOCUMENTANDTEXTPROCESSING ,Physics::Accelerator Physics ,High Energy Physics::Experiment ,business - Abstract
The DØ experiment enjoyed a very successful data-collection run at the Fermilab Tevatron collider between 1992 and 1996. Since then, the detector has been upgraded to take advantage of improvements to the Tevatron and to enhance its physics capabilities. We describe the new elements of the detector, including the silicon microstrip tracker, central fiber tracker, solenoidal magnet, preshower detectors, forward muon detector, and forward proton detector. The uranium/liquid-argon calorimeters and central muon detector, remaining from Run I, are discussed briefly. We also present the associated electronics, triggering, and data acquisition systems, along with the design and implementation of software specific to DØ. © 2006 Elsevier B.V. All rights reserved.
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- 2016
10. Search for squarks and gluinos in events containing jets and a large imbalance in transverse energy
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V. V. Babintsev, Jianming Qian, G. Briskin, Tong Hu, T. Mc Mahon, T. Joffe-Minor, H. E. Fisk, Z. Zhou, J. Solomon, P. Padley, Alexey Volkov, C. Klopfenstein, G. Wang, Alberto Santoro, B. May, Seong Keun Kim, J. Mc Donald, T. Fahland, James H Cochran, Mitchell Wayne, D. Shpakov, M. Abolins, H. Schellman, J. M. Kohli, B. G. Pope, L. Magaña-Mendoza, D. Buchholz, P. Hanlet, Stefan Grünendahl, D. Coppage, J. Thompson, Elizabeth Gallas, F. Lobkowicz, E. Flattum, B. Gobbi, P. Tamburello, P. Mooney, Elizaveta Shabalina, B. Gómez, Z. H. Zhu, F. Borcherding, M. Merkin, C. S. Mishra, Anurag Gupta, S. Feher, B. Baldin, N. Amos, B. Gibbard, T. Rockwell, Iain Alexander Bertram, Robert Hirosky, S. Chopra, N. K. Mondal, Anna Goussiou, Shashikant Dugad, Michael Rijssenbeek, D. Edmunds, Emanuela Barberis, H. T. Diehl, H. Singh, S. Reucroft, J. T. White, E. Smith, C. Cretsinger, N.V. Mokhov, Jasvinder A. Singh, Y. Ducros, C. Yoshikawa, Alexander Leflat, Bobby Samir Acharya, H. A. Neal, J. Sculli, G. E. Forden, M. Strovink, A. Boehnlein, L. T. Goss, G. Guglielmo, R. Hernández-Montoya, H. C. Shankar, J. T. Linnemann, Andre Sznajder, T. Yasuda, M. Bhattacharjee, A. P. Heinson, B. Zhang, Gregory R Snow, Raymond Brock, Boaz Klima, A. Zieminski, Miguel Mostafa, M. D. Peters, V. N. Evdokimov, M. Sosebee, J. Ellison, N. Sotnikova, M. M. Baarmand, J. Krane, D. Norman, D.S. Koltick, Y. Pischalnikov, Ulrich Heintz, K. Yip, Sarah Catherine Eno, R. E. Hall, J. L. González Solís, Andrew White, K. A. Johns, L. Babukhadia, H. Jöstlein, Howard Gordon, R. Jesik, Sergey Kuleshov, Nikos Varelas, H. Haggerty, R. K. Shivpuri, Vasken Hagopian, K. C. Frame, Gilvan Alves, Z. Casilum, C. Murphy, O. Ramirez, S. Willis, P. Grudberg, Sharon Hagopian, H. Weerts, L. Oesch, E. W. Anderson, T. Heuring, T. Mc Kibben, A. K.A. Maciel, Victor Daniel Elvira, Neeti Parashar, Jinhong Yu, F. Nang, C. K. Jung, A. L. Lyon, Shuichi Kunori, S. Krzywdzinski, Q. Z. Li, Allan G Clark, A. N. Galyaev, Lev Dudko, Richard Breedon, John Hobbs, M. Diesburg, D. Owen, P. Bloom, J. A. Wightman, V. Vaniev, J. Tarazi, S. P. Denisov, J. Bantly, M. Fortner, A.S. Dyshkant, M. Tartaglia, P. Gartung, A. Zylberstejn, R. J. Madaras, M. H.G. Souza, J. Perkins, M. Zielinski, N. I. Bojko, Young-Sang Yu, W. Y. Chen, G. Gutierrez, S. Y. Jun, T. L.T. Thomas, K. S. Hahn, S. A. Jerger, D. Cutts, Y. Gershtein, H. Greenlee, Kaushik De, Allen Mincer, M. R. Krishnaswamy, W. E. Cooper, P. Yepes, H. E. Montgomery, J. V.D. Wirjawan, Wagner Carvalho, R. Piegaia, R. Snihur, F. Hsieh, N. Parua, V.V. Abramov, Sebastian Grinstein, A. Bross, Daniel R Claes, W. G. Cobau, M. I. Martin, Greg Landsberg, M. L. Stevenson, A. Para, George R. Kalbfleisch, R. J. Genik, Matthew Jones, J. Jaques, Y. Kulik, Serban Protopopescu, Michael A. Strauss, T. L. Geld, J. S. Hoftun, K. Davis, J. N. Butler, Heriberto Castilla-Valdez, S. N. Gurzhiev, Sergey Chekulaev, P. I. Goncharov, A. V. Kostritskiy, V. S. Narasimham, D. P. Stoker, C. Boswell, C. Miao, Ron Lipton, J. M. Guida, M. Paterno, D. Fein, P. D. Grannis, Alexander Belyaev, Sissel Hansen, H. Piekarz, Arnaud Lucotte, V. Oguri, J. Womersley, Thomas G Trippe, Suman Bala Beri, Don Lincoln, Stephen Wimpenny, I. Adam, P. Rubinov, A. Baden, Erich Varnes, Philip Baringer, Daniel John Karmgard, D. Hedin, G. C. Blazey, Viatcheslav Stolin, C. Hebert, Dhiman Chakraborty, R. Yamada, K. W. Merritt, S. Youssef, S. Choi, T. Marshall, S. Banerjee, K. M. Mauritz, H. D. Wahl, L. Coney, S. H. Ahn, Randy Ruchti, D. Karmanov, J. Warchol, V. A. Bezzubov, Jing Li, Peter Nemethy, Orin I. Dahl, F. Landry, John Rutherfoord, Darien Wood, J. F. Bartlett, V. Manankov, Winston Ko, A. A. Mayorov, A. Sanchez-Hernandez, Robert Kehoe, D. A. Stoyanova, Nicholas John Hadley, S. Fuess, P.F. Ermolov, Brajesh C Choudhary, Mary Beth Adams, J. P. Negret, S. Blessing, R. P. Smith, Andrew Brandt, R. Engelmann, M. Roco, G. Eppley, Scott Snyder, Z. Wu, Gervasio Gomez, Joan A. Guida, R. Markeloff, M. K. Fatyga, G. Steinbrück, Michael Shupe, Vladimir Gavrilov, Y. Fisyak, Gordon Watts, R. Mc Carthy, E. A. Kozlovsky, V. S. Burtovoi, Eunil Won, Rajendran Raja, M. Chung, J. Mc Kinley, V. Sirotenko, O. V. Eroshin, G. Di Loreto, H.E. Miettinen, H. da Motta, Marvin Johnson, J. G.R. Lima, J. Snow, C. Shaffer, D. Cullen-Vidal, K. Genser, Phillip Gutierrez, Brad Abbott, N. N. Biswas, A. V. Kotwal, Harrison Prosper, D. Denisov, A. V. Kozelov, A. S. Ito, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, E. G. Zverev, Pm Tuts, L. Lueking, F. Stichelbaut, Meenakshi Narain, A. Narayanan, K. Del Signore, R. W. Stephens, P. Yamin, S. Mani, R. Madden, Peter W. Draper, Pushpalatha C Bhat, K. Gounder, B. Lauer, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, Y. M. Park, S.A. Kahn, M. Demarteau, A. Jonckheere, A. P. Vorobiev, Stephan Linn, N. Oshima, Daria Zieminska, R. D. Schamberger, K. Streets, Vipin Bhatnagar, R. Partridge, H. S. Mao, D. L. Adams, B. Pawlik, D. Casey, J. Kotcher, N. Graf, H. L. Melanson, P. Z. Quintas, J. H. Christenson, J. M. Hauptman, and Cecilia Elena Gerber
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Physics ,Particle physics ,Gluino ,Supergravity ,Physics::Medical Physics ,High Energy Physics::Phenomenology ,Tevatron ,General Physics and Astronomy ,FOS: Physical sciences ,Supersymmetry ,Gluon ,Luminosity ,Standard Model ,High Energy Physics - Experiment ,High Energy Physics - Experiment (hep-ex) ,High Energy Physics::Experiment ,Nuclear Experiment ,Energy (signal processing) - Abstract
Using data corresponding to an integrated luminosity of 79 pb-1, D0 has searched for events containing multiple jets and large missing transverse energy in pbar-p collisions at sqrt(s)=1.8 TeV at the Fermilab Tevatron collider. Observing no significant excess beyond what is expected from the standard model, we set limits on the masses of squarks and gluinos and on the model parameters m_0 and m_1/2, in the framework of the minimal low-energy supergravity models of supersymmetry. For tan(beta) = 2 and A_0 = 0, with mu < 0, we exclude all models with m_squark < 250 GeV/c^2. For models with equal squark and gluino masses, we exclude m < 260 GeV/c^2., 10 pages, 3 figures, Submitted to PRL, Fixed typo on page bottom of p. 6 (QCD multijet background is 35.4 events)
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- 2016
11. Search for neutral supersymmetric higgs bosons in multijet events at s=1.96TeV
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M. Merkin, Adam L. Lyon, B. G. Pope, Tiefu Zhao, Sergey Burdin, K. Genser, Ulrike Blumenschein, S. P. Denisov, P. L.M. Podesta-Lerma, Raymond Brock, M. Anastasoaie, Jean-Laurent Agram, Boaz Klima, R. Beuselinck, Elizaveta Shabalina, Arnulf Quadt, Elemer Nagy, Timothy Andeen, Brad Abbott, Pierre Petroff, T. Edwards, L. Lobo, Lorenzo Feligioni, Julia S. Meyer, Kristian Harder, Alexandre Zabi, Robert Hirosky, M. Cooke, W. L. Prado Da Silva, C. Magass, Dugan O'Neil, E. G. Zverev, P. Verdier, A. Patwa, Denis Gelé, N. M. Cason, A. M. Kalinin, D. Cutts, Lev Uvarov, Wagner Carvalho, Ariel Schwartzman, M. Abolins, Greg Landsberg, Sw. Banerjee, G. Alkhazov, Jovan Mitrevski, A. Evdokimov, G. Gutierrez, Gilvan Alves, M. Petteni, Norbert Wermes, Meenakshi Narain, Sherry Towers, Kevin Black, Nikola Makovec, J. D. Degenhardt, L. Groer, S. E.K. Mattingly, Pedrame Bargassa, Emmanuel Busato, J. Lazoflores, V. V. Shary, Vivek Jain, Q. Xu, N. K. Mondal, P. Schieferdecker, H. T. Diehl, T. A. Bolton, K. Soustruznik, N. J. Buchanan, Paul Telford, Karl Jakobs, S. W. Youn, E. Von Toerne, P. Demine, Alexander Khanov, Y. Pogorelov, R. Van Kooten, A. Jenkins, Emanuela Barberis, Kazunori Hanagaki, M. D. Corcoran, Dongliang Zhang, A. Boehnlein, H. E. Fisk, A. A. Mayorov, L. Han, F. Borcherding, A. Zieminski, Tae Jeong Kim, F. Charles, T. Nunnemann, D. Coppage, J. Ellison, P. Skubic, J. Huang, A. Leflat, N. Gollub, R. A. Sidwell, G. Sajot, Armen Vartapetian, A. K.A. Maciel, Ashok Kumar, Christophe Royon, M. Ahsan, Sa. Jain, S. Fuess, T. Kurca, P. Lewis, J. Snow, Christophe Clement, Raimund Ströhmer, V. Simak, Marc Weber, A. Lounis, J. Gardner, Aran Garcia-Bellido, M. Sosebee, B. Baldin, Marvin Johnson, N. A. Naumann, Mansoora Shamim, L. S. Vertogradov, S. Greder, Sung Keun Park, T. Christiansen, H. A. Neal, D. Meder, H. D. Wahl, C. Biscarat, Freya Blekman, P. A. Rapidis, A. Meyer, J. Kotcher, S. Anderson, Sergio F Novaes, J. T. Linnemann, P. Houben, S. Reucroft, D. Bauer, P. Padley, R. F. Rodrigues, Y. Arnoud, K. Yip, N. Xuan, C. Schwanenberger, T. Vu Anh, E. De La Cruz-Burelo, M. Zdrazil, Suyong Choi, W. M. Lee, A. Kharchilava, F. Badaud, Harald Fox, H. Kim, Philip Baringer, S. Jabeen, Sarah Catherine Eno, Horst Severini, E. Galyaev, M. P. Sanders, D. Käfer, A. Bellavance, L. Lueking, Andrew Brandt, Kirti Ranjan, H.E. Miettinen, Carsten Hensel, B. Spurlock, M. Vaupel, Zeno Dixon Greenwood, J. Kasper, Chris P. Barnes, R. L. McCarthy, A. Yurkewicz, M. Kopal, Junjie Zhu, J. Fast, Y. D. Mutaf, I. A. Vasilyev, P. M. Perea, T. Yasuda, A. Jonckheere, S. Dean, Stephan Linn, A. Lobodenko, Mitchell Wayne, H. Schellman, J. M. Kohli, A. V. Kozelov, P. K. Mal, W. E. Cooper, Yann Coadou, L. Stutte, Gregory J Pawloski, A.S. Dyshkant, A. C. Le Bihan, C. Han, Andrew White, Stefan Grünendahl, Richard B. Lipton, U. Bassler, S. Robinson, Andre Sopczak, B. Andrieu, Elliott Cheu, Arnaud Duperrin, M. Michaut, Tulika Bose, M. Verzocchi, Regina Demina, T. Gadfort, Cristina Galea, C. De Oliveira Martins, D. Edmunds, K. W. Merritt, N. Oshima, V. M. Korablev, R. Hooper, V. I. Rud, Daniel Bloch, Daria Zieminska, Mossadek Talby, P.F. Ermolov, P. N. Ratoff, D. Chakraborty, Yurii Maravin, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, B. Gómez, Jiri Kvita, Jong-Sung Yu, Victor Daniel Elvira, A. Baden, P. M. Tuts, S. Söldner-Rembold, R. D. Schamberger, J. F. Bartlett, G. C. Blazey, Y. Yen, W. D. Shephard, Andrei Nomerotski, R. McCroskey, Andre Sznajder, Robert Kehoe, Michael Martens, Vipin Bhatnagar, Yuri Gershtein, John Hobbs, V. Oguri, R. Yamada, A. Koubarovsky, Alberto Santoro, J. G.R. Lima, M. Agelou, Gregorio Bernardi, D. Denisov, Shashikant Dugad, M. Yan, Emmanuelle Perez, N. Lahrichi, R. Partridge, X. Zhang, Don Lincoln, O. V. Eroshin, J. Barreto, A. S. Turcot, Phillip Gutierrez, Jean-Francois Grivaz, S. H. Ahn, P. de Jong, J. Hays, Graham Wilson, Stephen Wimpenny, Erich Varnes, P. Rubinov, P. W. Balm, Heriberto Castilla-Valdez, Christian Autermann, P. Jonsson, Thomas Trefzger, Gustaaf Brooijmans, Robert Harrington, A. Mendes, M. Buehler, H. da Motta, J. Warchol, V. L. Malyshev, Martin Grunewald, B. Clément, Reinhard Schwienhorst, D. Gillberg, Thomas Hebbeker, M. Mulders, J. M. Hauptman, J. M. Heinmiller, Cecilia Elena Gerber, Hal Evans, Thomas Ferbel, Lars Sonnenschein, H. S. Mao, N. R. Stanton, Mary Beth Adams, Christos Leonidopoulos, M. Lynker, V. White, S. N. Fatakia, Alexey Ferapontov, G. Ginther, A. S. Ito, A. Melnitchouk, Jianming Qian, X. F. Song, V. M. Podstavkov, M. A. Strang, V. Hynek, M. Fortner, P. Mättig, Dorothee Schaile, Milos Lokajicek, F. Villeneuve-Seguier, M. Doidge, A. C.S. Assis Jesus, Guennadi Borissov, K. Gounder, J. R. Kalk, O. Atramentov, S. J. De Jong, B. Kothari, T. Toole, M. Hohlfeld, Wendy Taylor, G. D. Alexeev, Flera Rizatdinova, R. Zitoun, Roger Moore, R. Illingworth, A. A. Shchukin, R. J. Madaras, S. Lager, Y. Hu, S. Uvarov, M. Wegner, W. C. Fisher, Frederic Deliot, Christopher George Tully, Frank Fiedler, V. V. Lipaev, J. Womersley, E. Kajfasz, Darien Wood, Ph Gris, M. C. Cousinou, Ivor Fleck, Pushpalatha C Bhat, A. Kryemadhi, K. J. Rani, A. Alton, Nicholas John Hadley, Reiner Hauser, C. P. Buszello, W. M. Van Leeuwen, Shuichi Kunori, Emily Nurse, Elizabeth Gallas, B. Quinn, H. Weerts, Marcel Vreeswijk, J. Wittlin, Neeti Parashar, M. Binder, M. Zielinski, L. Christofek, Helena Malbouisson, D. Chapin, S. Blessing, A. Magerkurth, A. Zatserklyaniy, Y. M. Kharzheev, Makoto Tomoto, Alice Bean, S. Fu, M. Wobisch, A. Pompoš, Lev Dudko, B. S. Acharya, B. Hoeneisen, Lee Sawyer, Christian Schmitt, S. Nelson, Patrick Slattery, M. H.G. Souza, Stephanie Beauceron, Johannes Elmsheuser, P. Neustroev, R. Bernhard, D. A. Wijngaarden, Jing Li, Sascha Caron, Scott Snyder, D. Karmanov, G. Savage, G. J. Otero y Garzón, R. Jesik, Hwi Dong Yoo, S. Sengupta, K. A. Johns, Jonas Strandberg, G. Hesketh, R. Gelhaus, N. Oliveira, N. Parua, J. N. Butler, P. D. Grannis, Jessica Levêque, K. Bos, Marc Besancon, J. Temple, T. H. Burnett, S. N. Gurzhiev, M. Eads, Sudhir Malik, J. Steele, S.A. Kahn, Ia Iashvili, Jean-Roch Vlimant, Brajesh C Choudhary, M. Strovink, L. Duflot, Juan Estrada, M. Jaffré, R. K. Shivpuri, M. Demarteau, Carmen García, Alexander Kupco, V. Buescher, Viatcheslav Stolin, Rupinder Kaur, Bradley Cox, J. Molina, Karel Smolek, H. Dong, Michael A. Strauss, B. Åsman, Randy Ruchti, D. R. Claes, Ulrich Heintz, A. Cothenet, P. Lebrun, O. Boeriu, Gavin Davies, D. Buchholz, K. M. Chan, Christian Zeitnitz, Y. Kulik, D. K. Cho, A. Stone, A. Sanchez-Hernandez, Carlos Avila, S. Sumowidagdo, Tobias Golling, T. Scanlon, S. Kermiche, Suman Bala Beri, Vivian O'Dell, S. Doulas, Frank Filthaut, V. Zutshi, C. Noeding, M. Diesburg, P. Tamburello, A. Juste, Todd Adams, A. P. Heinson, Sabine Crépé-Renaudin, Q. Z. Li, Anna Goussiou, Kaushik De, Andrew Askew, Zhengguo Zhao, Brigitte Vachon, D. Shpakov, J. A. Parsons, D. A. Stoyanova, I. Blackler, G. S. Muanza, J. Dyer, Gregory R Snow, V. A. Bezzubov, Jan Stark, J. P. Negret, R. E. Hall, Terry Richard Wyatt, Michael Begel, Eduardo De Moraes Gregores, Henry Lubatti, G. A. Davis, Boris Tuchming, Limin Wang, Marc-Andre Pleier, J. Cammin, R. P. Smith, Sophie Trincaz-Duvoid, S. Krzywdzinski, J. Kozminski, Michael Hildreth, D. Kau, B. Davies, A. M. Magnan, A. Harel, K. Stevenson, Sharon Hagopian, S. Uzunyan, Y. A. Yatsunenko, Harrison Prosper, R. Piegaia, F. Lehner, H. Greenlee, S. Desai, D. M. Strom, B. C.K. Casey, A. Bross, S. J. Hong, Serban Protopopescu, V. M. Abazov, Nikos Varelas, Bing Zhou, Andy Haas, J. Torborg, Iain Alexander Bertram, Michael Rijssenbeek, D. Wicke, V. N. Evdokimov, I. Ripp-Baudot, I. Hall, A. Chandra, S. Chakrabarti, Peter Love, S. Yacoob, George Alverson, D. Hedin, S. Kesisoglou, Universidad de Buenos Aires, Centro Brasileiro de Pesquisas Físicas, Universidade do Estado do Rio de Janeiro (UERJ), Universidade Estadual Paulista (UNESP), University of Alberta, Simon Fraser University, York University, McGill University, Institute of High Energy Physics, University of Science and Technology of China, Universidad de los Andes, Charles University, Czech Technical University, Center for Particle Physics, Universidad San Francisco de Quito, Université Blaise Pascal, IN2P3-CNRS, Université de la Méditerranée, Universités Paris VI and VII, CEA, Université Louis Pasteur, Université de Haute Alsace, Université Claude Bernard, RWTH Aachen, Universität Bonn, Universität Freiburg, Universität Mainz, Ludwig-Maximilians-Universität München, University of Wuppertal, Panjab University, Delhi University, Tata Institute of Fundamental Research, University College Dublin, Korea University, CINVESTAV, FOM-Institute NIKHEF and University of Amsterdam/NIKHEF, Radboud University Nijmegen/NIKHEF, Joint Institute for Nuclear Research, Institute for Theoretical and Experimental Physics, Moscow State University, Institute for High Energy Physics, Petersburg Nuclear Physics Institute, Lund University, Royal Institute of Technology and Stockholm University, Uppsala University, Lancaster University, Imperial College, University of Manchester, University of Arizona, Lawrence Berkeley National Laboratory and University of California, California State University, University of California, Florida State University, Fermi National Accelerator Laboratory, University of Illinois at Chicago, Northern Illinois University, Northwestern University, Indiana University, University of Notre Dame, Iowa State University, University of Kansas, Kansas State University, Louisiana Tech University, University of Maryland, Boston University, Northeastern University, University of Michigan, Michigan State University, University of Mississippi, University of Nebraska, Princeton University, Columbia University, University of Rochester, State University of New York, Brookhaven National Laboratory, Langston University, University of Oklahoma, Brown University, University of Texas, Southern Methodist University, Rice University, University of Virginia, University of Washington, and University of Zurich
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Quark ,Physics ,Particle physics ,010308 nuclear & particles physics ,High Energy Physics::Phenomenology ,Tevatron ,General Physics and Astronomy ,Supersymmetry ,01 natural sciences ,Nuclear physics ,0103 physical sciences ,Higgs boson ,High Energy Physics::Experiment ,Fermilab ,010306 general physics ,Phenomenology (particle physics) ,Minimal Supersymmetric Standard Model ,Boson - Abstract
Made available in DSpace on 2022-04-28T20:06:00Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-10-07 We have performed a search for neutral Higgs bosons produced in association with bottom quarks in pp collisions, using 260pb-1 of data collected with the D0 detector in Run II of the Fermilab Tevatron Collider. The cross sections for these processes are enhanced in many extensions of the standard model (SM), such as in its minimal supersymmetric extension at large tanâ□¡Î. The results of our analysis agree with expectations from the SM, and we use our measurements to set upper limits on the production of neutral Higgs bosons in the mass range of 90 to 150 GeV. © 2005 The American Physical Society. Universidad de Buenos Aires, Buenos Aires LAFEX Centro Brasileiro de Pesquisas Físicas, Rio de Janeiro Universidade do Estado do Rio de Janeiro, Rio de Janeiro Instituto de Física Teórica Universidade Estadual Paulista, São Paulo University of Alberta, Edmonton, AB Simon Fraser University, Burnaby, BC York University, Toronto, ON McGill University, Montreal, QC Institute of High Energy Physics, Beijing University of Science and Technology of China, Hefei Universidad de los Andes, Bogotá, Colombia Center for Particle Physics Charles University, Prague Czech Technical University, Prague Institute of Physics Academy of Sciences Center for Particle Physics, Prague Universidad San Francisco de Quito, Quito Laboratoire de Physique Corpusculaire IN2P3-CNRS Université Blaise Pascal, Clermont-Ferrand Laboratoire de Physique Subatomique et de Cosmologie IN2P3-CNRS, Universite de Grenoble 1, Grenoble CPPM IN2P3-CNRS Université de la Méditerranée, Marseille Laboratoire de l'Accélérateur Linéaire IN2P3-CNRS, Orsay LPNHE IN2P3-CNRS Universités Paris VI and VII, Paris DAPNIA/Service de Physique des Particules CEA, Saclay IReS IN2P3-CNRS Université Louis Pasteur, Strasbourg Université de Haute Alsace, Mulhouse Institut de Physique Nucléaire de Lyon IN2P3-CNRS Université Claude Bernard, Villeurbanne III. Physikalisches Institut A RWTH Aachen, Aachen Physikalisches Institut Universität Bonn, Bonn Physikalisches Institut Universität Freiburg, Freiburg Institut für Physik Universität Mainz, Mainz Ludwig-Maximilians-Universität München, München Fachbereich Physik University of Wuppertal, Wuppertal Panjab University, Chandigarh Delhi University, Delhi Tata Institute of Fundamental Research, Mumbai University College Dublin, Dublin Korea Detector Laboratory Korea University, Seoul CINVESTAV, Mexico City FOM-Institute NIKHEF and University of Amsterdam/NIKHEF, Amsterdam Radboud University Nijmegen/NIKHEF, Nijmegen Joint Institute for Nuclear Research, Dubna Institute for Theoretical and Experimental Physics, Moscow Moscow State University, Moscow Institute for High Energy Physics, Protvino Petersburg Nuclear Physics Institute, St. Petersburg Lund University, Lund Royal Institute of Technology and Stockholm University, Stockholm Uppsala University, Uppsala Lancaster University, Lancaster Imperial College, London University of Manchester, Manchester University of Arizona, Tucson, AZ 85721 Lawrence Berkeley National Laboratory and University of California, Berkeley, CA 94720 California State University, Fresno, CA 93740 University of California, Riverside, CA 92521 Florida State University, Tallahassee, FL 32306 Fermi National Accelerator Laboratory, Batavia, IL 60510 University of Illinois at Chicago, Chicago, IL 60607 Northern Illinois University, DeKalb, IL 60115 Northwestern University, Evanston, IL 60208 Indiana University, Bloomington, IN 47405 University of Notre Dame, Notre Dame, IN 46556 Iowa State University, Ames, IA 50011 University of Kansas, Lawrence, KS 66045 Kansas State University, Manhattan, KS 66506 Louisiana Tech University, Ruston, LA 71272 University of Maryland, College Park, MD 20742 Boston University, Boston, MA 02215 Northeastern University, Boston, MA 02115 University of Michigan, Ann Arbor, MI 48109 Michigan State University, East Lansing, MI 48824 University of Mississippi, Mississippi 38677 University of Nebraska, Lincoln, NE 68588 Princeton University, Princeton, NJ 08544 Columbia University, New York, NY 10027 University of Rochester, Rochester, NY 14627 State University of New York, Stony Brook, NY 11794 Brookhaven National Laboratory, Upton, NY 11973 Langston University, Langston, OK 73050 University of Oklahoma, Norman, OK 73019 Brown University, Providence, RI 02912 University of Texas, Arlington, TX 76019 Southern Methodist University, Dallas, TX 75275 Rice University, Houston, TX 77005 University of Virginia, Charlottesville, VA 22901 University of Washington, Seattle, WA 98195 University of Zurich, Zurich Instituto de Física Teórica Universidade Estadual Paulista, São Paulo
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- 2016
12. Differential cross section for w boson production as a function of transverse momentum in p p̄ collisions at √s = 1.8 TeV
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V.M Abazov, B Abbott, A Abdesselam, M Abolins, V Abramov, B.S Acharya, D.L Adams, M Adams, S.N Ahmed, G.D Alexeev, G.A Alves, N Amos, E.W Anderson, M.M Baarmand, V.V Babintsev, L Babukhadia, T.C Bacon, A Baden, B Baldin, P.W Balm, S Banerjee, E Barberis, P Baringer, J Barreto, J.F Bartlett, U Bassler, D Bauer, A Bean, M Begel, A Belyaev, S.B Beri, G Bernardi, I Bertram, A Besson, R Beuselinck, V.A Bezzubov, P.C Bhat, V Bhatnagar, M Bhattacharjee, G Blazey, S Blessing, A Boehnlein, N.I Bojko, F Borcherding, K Bos, A Brandt, R Breedon, G Briskin, R Brock, G Brooijmans, A Bross, D Buchholz, M Buehler, V Buescher, V.S Burtovoi, J.M Butler, F Canelli, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, K.M Chan, S.V Chekulaev, D.K Cho, S Choi, S Chopra, J.H Christenson, M Chung, D Claes, A.R Clark, J Cochran, L Coney, B Connolly, W.E Cooper, D Coppage, M.A.C Cummings, D Cutts, G.A Davis, K Davis, K De, S.J de Jong, K Del Signore, M Demarteau, R Demina, P Demine, D Denisov, S.P Denisov, S Desai, H.T Diehl, M Diesburg, G Di Loreto, S Doulas, P Draper, Y Ducros, L.V Dudko, S Duensing, L Duflot, S.R Dugad, A Dyshkant, D Edmunds, J Ellison, V.D Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, O.V Eroshin, J Estrada, H Evans, V.N Evdokimov, T Fahland, S Feher, D Fein, T Ferbel, F Filthaut, H.E Fisk, Y Fisyak, E Flattum, F Fleuret, M Fortner, K.C Frame, S Fuess, E Gallas, A.N Galyaev, M Gao, V Gavrilov, R.J Genik II, K Genser, C.E Gerber, Y Gershtein, R Gilmartin, G Ginther, B Gómez, G Gómez, P.I Goncharov, J.L González Solı́s, H Gordon, L.T Goss, K Gounder, A Goussiou, N Graf, G Graham, P.D Grannis, J.A Green, H Greenlee, S Grinstein, L Groer, S Grünendahl, A Gupta, S.N Gurzhiev, G Gutierrez, P Gutierrez, N.J Hadley, H Haggerty, S Hagopian, V Hagopian, R.E Hall, P Hanlet, S Hansen, J.M Hauptman, C Hays, C Hebert, D Hedin, A.P Heinson, U Heintz, T Heuring, M.D Hildreth, R Hirosky, J.D Hobbs, B Hoeneisen, Y Huang, R Illingworth, A.S Ito, M Jaffré, S Jain, R Jesik, K Johns, M Johnson, A Jonckheere, M Jones, H Jöstlein, A Juste, S Kahn, E Kajfasz, A.M Kalinin, D Karmanov, D Karmgard, R Kehoe, A Kharchilava, S.K Kim, B Klima, B Knuteson, W Ko, J.M Kohli, A.V Kostritskiy, J Kotcher, A.V Kotwal, A.V Kozelov, E.A Kozlovsky, J Krane, M.R Krishnaswamy, P Krivkova, S Krzywdzinski, M Kubantsev, S Kuleshov, Y Kulik, S Kunori, A Kupco, V.E Kuznetsov, G Landsberg, A Leflat, C Leggett, F Lehner, J Li, Q.Z Li, J.G.R Lima, D Lincoln, S.L Linn, J Linnemann, R Lipton, A Lucotte, L Lueking, C Lundstedt, C Luo, A.K.A Maciel, R.J Madaras, V.L Malyshev, V Manankov, H.S Mao, T Marshall, M.I Martin, R.D Martin, K.M Mauritz, B May, A.A Mayorov, R McCarthy, J McDonald, T McMahon, H.L Melanson, M Merkin, K.W Merritt, C Miao, H Miettinen, D Mihalcea, C.S Mishra, N Mokhov, N.K Mondal, H.E Montgomery, R.W Moore, M Mostafa, H da Motta, E Nagy, F Nang, M Narain, V.S Narasimham, H.A Neal, J.P Negret, S Negroni, T Nunnemann, D O'Neil, V Oguri, B Olivier, N Oshima, P Padley, L.J Pan, K Papageorgiou, A Para, N Parashar, R Partridge, N Parua, M Paterno, A Patwa, B Pawlik, J Perkins, M Peters, O Peters, P Pétroff, R Piegaia, H Piekarz, B.G Pope, E Popkov, H.B Prosper, S Protopopescu, J Qian, R Raja, S Rajagopalan, E Ramberg, P.A Rapidis, N.W Reay, S Reucroft, J Rha, M Ridel, M Rijssenbeek, T Rockwell, M Roco, P Rubinov, R Ruchti, J Rutherfoord, B.M Sabirov, A Santoro, L Sawyer, R.D Schamberger, H Schellman, A Schwartzman, N Sen, E Shabalina, R.K Shivpuri, D Shpakov, M Shupe, R.A Sidwell, V Simak, H Singh, J.B Singh, V Sirotenko, P Slattery, E Smith, R.P Smith, R Snihur, G.R Snow, J Snow, S Snyder, J Solomon, V Sorı́n, M Sosebee, N Sotnikova, K Soustruznik, M Souza, N.R Stanton, G Steinbrück, R.W Stephens, F Stichelbaut, D Stoker, V Stolin, D.A Stoyanova, M Strauss, M Strovink, L Stutte, A Sznajder, W Taylor, S Tentindo-Repond, S.M Tripathi, T.G Trippe, A.S Turcot, P.M Tuts, P van Gemmeren, V Vaniev, R Van Kooten, N Varelas, L.S Vertogradov, A.A Volkov, A.P Vorobiev, H.D Wahl, H Wang, Z.-M Wang, J Warchol, G Watts, M Wayne, H Weerts, A White, J.T White, D Whiteson, J.A Wightman, D.A Wijngaarden, S Willis, S.J Wimpenny, J Womersley, D.R Wood, R Yamada, P Yamin, T Yasuda, Y.A Yatsunenko, K Yip, S Youssef, J Yu, Z Yu, M Zanabria, H Zheng, Z Zhou, M Zielinski, D Zieminska, A Zieminski, V Zutshi, E.G Zverev, and A Zylberstejn
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Quantum chromodynamics ,Physics ,Nuclear and High Energy Physics ,Particle physics ,Luminosity (scattering theory) ,Proton ,010308 nuclear & particles physics ,High Energy Physics::Phenomenology ,Tevatron ,D0 experiment ,7. Clean energy ,01 natural sciences ,law.invention ,law ,Antiproton ,0103 physical sciences ,Physics::Accelerator Physics ,High Energy Physics::Experiment ,Fermilab ,Nuclear Experiment ,010306 general physics ,Collider - Abstract
We report a measurement of the differential cross section for W boson production as a function of its transverse momentum in proton-antiproton collisions at √s = 1.8 TeV. The data were collected by the DØ experiment at the Fermilab Tevatron Collider during 1994-1995 and correspond to an integrated luminosity of 85 pb-1. The results are in good agreement with quantum chromodynamics over the entire range of transverse momentum. © 2001 Elsevier Science B.V.
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- 2016
13. Probing hard color-singlet exchange in pp̄ collisions at √s = 630 GeV and 1800 GeV
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B Abbott, M Abolins, V Abramov, B.S Acharya, I Adam, D.L Adams, M Adams, S Ahn, H Aihara, G.A Alves, N Amos, E.W Anderson, R Astur, M.M Baarmand, V.V Babintsev, L Babukhadia, A Baden, B Baldin, S Banerjee, J Bantly, E Barberis, P Baringer, J.F Bartlett, A Belyaev, S.B Beri, I Bertram, V.A Bezzubov, P.C Bhat, V Bhatnagar, M Bhattacharjee, N Biswas, G Blazey, S Blessing, P Bloom, A Boehnlein, N.I Bojko, F Borcherding, C Boswell, A Brandt, R Breedon, R Brock, A Bross, D Buchholz, V.S Burtovoi, J.M Butler, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, S.-M Chang, S.V Chekulaev, W Chen, S Choi, S Chopra, B.C Choudhary, J.H Christenson, M Chung, D Claes, A.R Clark, W.G Cobau, J Cochran, L Coney, W.E Cooper, C Cretsinger, D Cullen-Vidal, M.A.C Cummings, D Cutts, O.I Dahl, K Davis, K De, K Del Signore, M Demarteau, D Denisov, S.P Denisov, H.T Diehl, M Diesburg, G Di Loreto, P Draper, Y Ducros, L.V Dudko, S.R Dugad, A Dyshkant, D Edmunds, J Ellison, V.D Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, O.V Eroshin, V.N Evdokimov, T Fahland, M.K Fatyga, S Feher, D Fein, T Ferbel, G Finocchiaro, H.E Fisk, Y Fisyak, E Flattum, G.E Forden, M Fortner, K.C Frame, S Fuess, E Gallas, A.N Galyaev, P Gartung, V Gavrilov, T.L Geld, R.J Genik II, K Genser, C.E Gerber, Y Gershtein, B Gibbard, B Gobbi, B Gómez, G Gómez, P.I Goncharov, J.L González Solı́s, H Gordon, L.T Goss, K Gounder, A Goussiou, N Graf, P.D Grannis, D.R Green, H Greenlee, S Grinstein, P Grudberg, S Grünendahl, G Guglielmo, J.A Guida, J.M Guida, A Gupta, S.N Gurzhiev, G Gutierrez, P Gutierrez, N.J Hadley, H Haggerty, S Hagopian, V Hagopian, K.S Hahn, R.E Hall, P Hanlet, S Hansen, J.M Hauptman, D Hedin, A.P Heinson, U Heintz, R Hernández-Montoya, T Heuring, R Hirosky, J.D Hobbs, B Hoeneisen, J.S Hoftun, F Hsieh, Ting Hu, Tong Hu, A.S Ito, E James, J Jaques, S.A Jerger, R Jesik, T Joffe-Minor, K Johns, M Johnson, A Jonckheere, M Jones, H Jöstlein, S.Y Jun, C.K Jung, S Kahn, G Kalbfleisch, D Karmanov, D Karmgard, R Kehoe, M.L Kelly, S.K Kim, B Klima, C Klopfenstein, W Ko, J.M Kohli, D Koltick, A.V Kostritskiy, J Kotcher, A.V Kotwal, A.V Kozelov, E.A Kozlovsky, J Krane, M.R Krishnaswamy, S Krzywdzinski, S Kuleshov, Y Kulik, S Kunori, F Landry, G Landsberg, B Lauer, A Leflat, J Li, Q.Z Li-Demarteau, J.G.R Lima, D Lincoln, S.L Linn, J Linnemann, R Lipton, F Lobkowicz, S.C Loken, A Lucotte, L Lueking, A.L Lyon, A.K.A Maciel, R.J Madaras, R Madden, L Magaña-Mendoza, V Manankov, S Mani, H.S Mao, R Markeloff, T Marshall, M.I Martin, K.M Mauritz, B May, A.A Mayorov, R McCarthy, J McDonald, T McKibben, J McKinley, T McMahon, H.L Melanson, M Merkin, K.W Merritt, C Miao, H Miettinen, A Mincer, C.S Mishra, N Mokhov, N.K Mondal, H.E Montgomery, P Mooney, M Mostafa, H da Motta, C Murphy, F Nang, M Narain, V.S Narasimham, A Narayanan, H.A Neal, J.P Negret, P Nemethy, D Norman, L Oesch, V Oguri, E Oliveira, E Oltman, N Oshima, D Owen, P Padley, A Para, Y.M Park, R Partridge, N Parua, M Paterno, B Pawlik, J Perkins, M Peters, R Piegaia, H Piekarz, Y Pischalnikov, B.G Pope, H.B Prosper, S Protopopescu, J Qian, P.Z Quintas, R Raja, S Rajagopalan, O Ramirez, S Reucroft, M Rijssenbeek, T Rockwell, M Roco, P Rubinov, R Ruchti, J Rutherfoord, A Sánchez-Hernández, A Santoro, L Sawyer, R.D Schamberger, H Schellman, J Sculli, E Shabalina, C Shaffer, H.C Shankar, R.K Shivpuri, D Shpakov, M Shupe, H Singh, J.B Singh, V Sirotenko, E Smith, R.P Smith, R Snihur, G.R Snow, J Snow, S Snyder, J Solomon, M Sosebee, N Sotnikova, M Souza, G Steinbrück, R.W Stephens, M.L Stevenson, D Stewart, F Stichelbaut, D Stoker, V Stolin, D.A Stoyanova, M Strauss, K Streets, M Strovink, A Sznajder, P Tamburello, J Tarazi, M Tartaglia, T.L.T Thomas, J Thompson, T.G Trippe, P.M Tuts, V Vaniev, N Varelas, E.W Varnes, D Vititoe, A.A Volkov, A.P Vorobiev, H.D Wahl, G Wang, J Warchol, G Watts, M Wayne, H Weerts, A White, J.T White, J.A Wightman, S Willis, S.J Wimpenny, J.V.D Wirjawan, J Womersley, E Won, D.R Wood, Z Wu, R Yamada, P Yamin, T Yasuda, P Yepes, K Yip, C Yoshikawa, S Youssef, J Yu, Y Yu, B Zhang, Y Zhou, Z Zhou, Z.H Zhu, M Zielinski, D Zieminska, A Zieminski, E.G Zverev, and A Zylberstejn
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Physics ,Nuclear and High Energy Physics ,Transverse plane ,Particle physics ,Pseudorapidity ,High Energy Physics::Phenomenology ,Detector ,High Energy Physics::Experiment ,Singlet state ,Jet (particle physics) ,Nuclear Experiment - Abstract
We present results on dijet production via hard color-singlet exchange in proton-antiproton collisions at √s = 630 GeV and 1800 GeV using the DØ detector. The fraction of dijet events produced via color-singlet exchange is measured as a function of jet transverse energy, separation in pseudorapidity between the two highest transverse energy jets, and proton-antiproton center-of-mass energy. The results are consistent with a color-singlet fraction that increases with an increasing fraction of quark-initiated processes and inconsistent with two-gluon models for the hard color-singlet. © 1998 Published by Elsevier Science B.V. All rights reserved.
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- 2016
14. STRANGE MESON PRODUCTION IN E+E- ANNIHILATION
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Janusz Chwastowski, M. E. Veitch, B. Löhr, P. Joos, B. Foster, M. Takashima, D. H. Saxon, Eduardo Ros, R. J. Cashmore, Ian R Tomalin, P. Mättig, A. Leites, D. Muller, Fernando Barreiro, D. Strom, J. M. Pawlak, G. Poelz, A. Caldwell, John Hassard, A. Montag, J. Krüger, H. Hartmann, T. Kracht, J. Del Peso, D. Revel, K. Gather, G. Mikenberg, E. Hilger, D. Trines, A. Watson, R. Wedemeyer, D. Notz, H. M. Fischer, U. Karshon, Luis Hervas, D. Su, N. Wainer, Guenter Wolf, A. Ladage, A. J. Martin, Hermann Kolanoski, E. Lohrmann, J. Shulman, Georg Zobernig, Wolfram Dietrich Zeuner, K. U. Pösnecker, A. Shapira, A. Eskreys, L. Labarga, G. Yekutieli, Y. Eisenberg, R. Walczak, K. Genser, M. G. Bowler, W. Braunschweig, A. Jocksch, D. Lüke, S. Ritz, Philip Burrows, R. Gerhards, F. J. Kirschfink, M. Holder, H. Hultschig, John Hart, Sau Lan Wu, J. Fdez de Trocóniz, E.E. Ronat, G. Cases, Jens Hartmann, E. Bernardi, Stephanie Brandt, H. Kowalski, and H. U. Martyn
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Physics ,Particle physics ,Annihilation ,Meson production ,Physics and Astronomy (miscellaneous) ,Meson ,Nuclear Theory ,Multiplicity (mathematics) ,Sphericity ,Nuclear physics ,Rapidity ,High Energy Physics::Experiment ,Nuclear Experiment ,Engineering (miscellaneous) - Abstract
The full TASSO data have been used to study the inclusive production of strange mesons in e+e- annihilations. Differential and total cross sections have been measured in the centre of mass energy range 14 to 44 GeV for K0, {Mathematical expression} and 34.5 to 44 GeV for K*± (892). We have investigated the strange meson production properties in jets by studying the rapidity and pt2 distributions as well as the evolution of the multiplicities as a function of the event sphericity. We find no evidence that the strange meson yields increase with increasing sphericity faster than the total charged multiplicity. © 1990 Springer-Verlag.
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- 2016
15. Observation of diffractively produced W and Z bosons in p̄p collisions at √s = 1800 GeV
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R. Van Kooten, Wendy Taylor, A. Patwa, S. Fu, P. Demine, A. Zieminski, Q. Xu, J. Huang, R. A. Sidwell, Alexander Khanov, U. Bassler, A. N. Galyaev, Stephen Wimpenny, G. Steinbrück, Rajendran Raja, H. Zheng, Brad Abbott, Pierre Petroff, S. Fuess, Roger Moore, Zeno Dixon Greenwood, K. W. Merritt, Vladimir Gavrilov, Gordon Watts, D. Coppage, V. Sirotenko, D. K. Cho, Y. Arnoud, R. Illingworth, Regina Demina, T. C. Bacon, E. W. Anderson, M. Buehler, J. F. Bartlett, A. Besson, N. A. Naumann, F. Borcherding, L. Lueking, Bobby Samir Acharya, H. A. Neal, J. T. Linnemann, V. M. Abazov, V. Sorín, O. V. Eroshin, Y. Song, Phillip Gutierrez, T. Marshall, W. E. Cooper, K. Yip, S. Duensing, V. Oguri, Ulrich Heintz, D. Fein, D. Chakraborty, S. Chopra, Don Lincoln, Q. Z. Li, P. W. Balm, V. Manankov, M. Abolins, S. Reucroft, D. P. Stoker, Gustaaf Brooijmans, H. Jöstlein, Darien Wood, G. Sajot, P. Yamin, Frank Filthaut, A. Stone, Daniel John Karmgard, Elemer Nagy, N. R. Stanton, S. N. Ahmed, M. Fortner, L. Stutte, N. W. Reay, R. L. McCarthy, H. L. Melanson, N. Parua, V.V. Abramov, M. Jaffré, Arnaud Duperrin, Alberto Santoro, M. Diesburg, Nicholas John Hadley, C. Hebert, Sebastian Grinstein, N. K. Mondal, J. Warchol, H. T. Diehl, T. A. Bolton, C. Han, A.S. Dyshkant, Arnaud Lucotte, Jong-Sung Yu, Alexander Kupco, G. D. Alexeev, Flera Rizatdinova, D. Whiteson, A. V. Kostritskiy, D. Mihalcea, W. Kahl, A. Boehnlein, M. Bhattacharjee, S. Blessing, P. Rubinov, K. Gounder, Sissel Hansen, David H. Adams, Alice Bean, P. M. Tuts, V. E. Kuznetsov, Sarah Catherine Eno, T. Rockwell, Iain Alexander Bertram, H. E. Fisk, Scott Snyder, F. Fleuret, M. Merkin, Randy Ruchti, M. A. Strang, Jing Li, Ariel Schwartzman, Melissa Ridel, F. Canelli, R. Kehoe, D. A. Stoyanova, A. S. Turcot, Michael Rijssenbeek, S. N. Gurzhiev, T. G. Trippe, Z. Zhou, J. Solomon, L. Duflot, M. Strovink, Emanuela Barberis, Robert Hirosky, Volker Buescher, Shuichi Kunori, Raymond Brock, Boaz Klima, Elizabeth Gallas, T. McMahon, R. Beuselinck, F. Nang, Vasken Hagopian, Christophe Royon, A. M. Kalinin, G. Eppley, Heriberto Castilla-Valdez, V. Vaniev, Richard B. Lipton, H. Weerts, N.V. Mokhov, Z. M. Wang, M. I. Martin, J. Ellison, A. K.A. Maciel, Sa. Jain, A. Abdesselam, V. Simak, A. Leflat, H. da Motta, S. Willis, M. Gao, Sharon Hagopian, Lev Dudko, F. Villeneuve-Seguier, A. P. Heinson, Pushpalatha C Bhat, P. Padley, G. Gutierrez, Gilvan Alves, J. G.R. Lima, D. Cutts, C. Luo, D. Casey, J. Kotcher, Alexey Volkov, J. M. Hauptman, Cecilia Elena Gerber, H. D. Wahl, D. Bauer, V. S. Narasimham, L. Groer, Wagner Carvalho, Mitchell Wayne, Sujogya Banerjee, Greg Landsberg, Harald Fox, Viatcheslav Stolin, H. Schellman, J. M. Kohli, K. Papageorgiou, V. V. Babintsev, G. Ginther, V. N. Evdokimov, R. E. Hall, M. Zanabria, M. H.G. Souza, A. S. Ito, Tulika Bose, N. Graf, Michael Begel, Stefan Grünendahl, Jianming Qian, J. T. Eltzroth, M. A.C. Cummings, A. A. Mayorov, L. Coney, B. Hoeneisen, Y. D. Mutaf, S. Tentindo-Repond, Vipin Bhatnagar, Andrew White, Mossadek Talby, B. Gómez, P. I. Goncharov, H. E. Montgomery, Lee Sawyer, C. Lundstedt, Carlos Avila, J. Snow, H. Haggerty, K. Soustruznik, Christos Leonidopoulos, Yu-tin Huang, S. Krzywdzinski, R. Partridge, X. Zhang, Shashikant Dugad, K. Genser, G. Briskin, Jeffrey F. Krane, R. Jesik, Sabine Crépé-Renaudin, Philip Baringer, A. Baden, G. C. Blazey, J. Womersley, A. Goussiou, S. Baffioni, K. A. Johns, C. Miao, B. Olivier, R. Yamada, V. L. Malyshev, Nikos Varelas, B. M. Sabirov, Andrei Nomerotski, Bing Zhou, E. G. Zverev, H. S. Mao, B. G. Pope, D. Karmanov, R. K. Shivpuri, John Hobbs, S. J. De Jong, S.A. Kahn, M. B. Przybycien, A. Zylberstejn, F. Lehner, D. R. Claes, Ia Iashvili, J. Barreto, B. Kothari, T. Yasuda, M. Demarteau, Mary Beth Adams, S. Doulas, D. Buchholz, Howard Gordon, Elizaveta Shabalina, Kaushik De, R. Piegaia, H. Greenlee, James C. Green, Neeti Parashar, Florian Beaudette, Marvin Johnson, P. A. Rapidis, M. Zielinski, A. Jonckheere, A. V. Kozelov, S. M. Tripathi, E. Kajfasz, Alexander Belyaev, Suyong Choi, A. P. Vorobiev, Stephan Linn, S. P. Denisov, Gregory R Snow, D. Hedin, Patrick Slattery, A. Bross, O. Peters, N. Oshima, Meenakshi Narain, K. M. Mauritz, P.F. Ermolov, Daria Zieminska, M. R. Krishnaswamy, R. D. Schamberger, V. S. Burtovoi, A. R. Clark, N. Sotnikova, M. A. Kubantsev, R. J. Genik, Sergey Chekulaev, Gregorio Bernardi, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, R. J. Madaras, G. A. Davis, Serban Protopopescu, V. A. Bezzubov, J. P. Negret, M. Sosebee, A. Alton, R. P. Smith, Freya Blekman, Andrew Brandt, R. Engelmann, Michael Shupe, E. A. Kozlovsky, H.E. Miettinen, Michael Hildreth, J. Estrada, K. M. Chan, Y. A. Yatsunenko, Harrison Prosper, S. Desai, T. Nunnemann, B. Baldin, W. M. Lee, A. Kharchilava, Sergey Kuleshov, Victor Daniel Elvira, V. Zutshi, D. Shpakov, N. I. Bojko, D. O'Neil, J. N. Butler, P. D. Grannis, Michael A. Strauss, Y. Kulik, Suman Bala Beri, A. Juste, B. Connolly, D. A. Wijngaarden, K. Bos, D. Edmunds, Andre Sznajder, Yuri Gershtein, P. Krivkova, and L. Babukhadia
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Physics ,Diffraction ,Nuclear and High Energy Physics ,Particle physics ,010308 nuclear & particles physics ,Scattering ,Detector ,Sigma ,HERA ,01 natural sciences ,Nuclear physics ,W and Z bosons ,biological sciences ,0103 physical sciences ,bacteria ,Rapidity ,010306 general physics ,Boson - Abstract
Using the DO detector, we have observed events produced in (p) over barp collisions that contain W or Z bosons in conjunction with very little energy deposition ("rapidity gaps") in large forward regions of the detector. The fraction of W boson events with a rapidity gap (a signature for diffraction) is 0.89 +/- (0.19)(0.17)% and the probability that the non-diffractive background fluctuated to yield the observed diffractive signal is 3 x 10(-14), corresponding to a significance of 7.5 sigma. The Z boson sample has a gap fraction of 1.44 +/- (0.61)(0.52)%, with a significance of 4.4 sigma. The diffractive events have very similar properties to the more common non-diffractive component. (C) 2003 Elsevier B.V. All rights reserved.
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- 2016
16. EVIDENCE FOR DIRECT PHOTONS FROM QUARKS IN ELECTRON-POSITRON ANNIHILATION
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A. J. Sephton, Y. Eisenberg, R. Walczak, G. E. Forden, B. Bock, W. Braunschweig, T. Kracht, K. U. Pösnecker, A. Shapira, D. Trines, W. Gerhardt, Janusz Chwastowski, J. F. Hassard, Giora Mikenberg, G. Tysarczyk, Stephanie Brandt, G. Yekutieli, Jens Hartmann, H. M. Fischer, A. J. Martin, I. R. Tomalin, Hermann Kolanoski, Fernando Barreiro, Wolfram Dietrich Zeuner, U. Karshon, H. Kowalski, A. Ladage, Georg Zobernig, E. Hilger, D. Su, M. E. Veitch, J. M. Pawlak, K. Gather, I. M. Silvester, P. Rehders, D. Muller, E. Lohrmann, P. Mättig, R. Wedemeyer, J. Shulman, E. Bernardi, H. U. Martyn, D. Revel, G. P. Heath, A. Montag, J. Del Peso, M. Takashima, Eduardo Ros, T. Tymieniecka, A. Eskreys, L. Labarga, Gy. Wolf, J. Krüger, H. Hartmann, Philip Burrows, D. Notz, D. Lüke, S. Ritz, B. Löhr, P. Joos, B. Foster, A. Leites, N. Wainer, D. H. Saxon, P. N. Ratoff, G. Poelz, K. Genser, M. G. Bowler, M. Holder, H. Hultschig, A. Jocksch, John Hart, Sau Lan Wu, R. Gerhards, F. J. Kirschfink, E.E. Ronat, C. Balkwill, and D. Strom
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Physics ,Quark ,Particle physics ,Photon ,Physics and Astronomy (miscellaneous) ,Astrophysics::High Energy Astrophysical Phenomena ,media_common.quotation_subject ,Electron–positron annihilation ,Hadron ,Bremsstrahlung ,Jet (particle physics) ,Asymmetry ,Nuclear physics ,Positron ,High Energy Physics::Experiment ,Nuclear Experiment ,Engineering (miscellaneous) ,media_common - Abstract
Hadronic events from e+e--annihilations with a high energy isolated photon have been investigated at C.M. energies between 14 GeV and 44 GeV. A forward-backward asymmetry Aγ of the positively charged jet with respect to the incident positron direction has been found:Aγγ=-0.32±0.07, providing evidence for photon bremsstrahlung from quarks. The forward-backward asymmetry of all hadronic events at C.M. energies between 30 GeV and 36 GeV has been measured. The value, corrected for the limited polar angle acceptance of the detector, is:A=+0.021±0.005. © 1988 Springer-Verlag.
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- 2016
17. Helicity of the W boson in lepton + jets tt̄ events
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A. Leflat, Andrew White, S. Tentindo-Repond, V. Zutshi, R. L. McCarthy, W. Kahl, D. Shpakov, V. A. Bezzubov, Philip Baringer, M. Merkin, S. Banerjee, B. G. Pope, Marvin Johnson, Elizaveta Shabalina, Andrei Nomerotski, John Hobbs, V.V. Abramov, Shuichi Kunori, Emanuela Barberis, J. Barreto, T. Nunnemann, B. Baldin, Raymond Brock, Boaz Klima, R. Beuselinck, J. P. Negret, R. P. Smith, Michael Shupe, Michael Hildreth, A. V. Kozelov, H. da Motta, A. S. Ito, E. G. Zverev, M. Buehler, V. Vaniev, Alexander Kupco, N. R. Stanton, T. C. Bacon, D. P. Stoker, Michael A. Strauss, Meenakshi Narain, Randy Ruchti, Tulika Bose, W. M. Lee, A. Kharchilava, Sergey Kuleshov, Victor Daniel Elvira, S. Willis, J. Estrada, Y. A. Yatsunenko, Harrison Prosper, P.F. Ermolov, M. Jaffré, P. A. Rapidis, H. Haggerty, S. P. Denisov, Y. Kulik, A. Stone, Suman Bala Beri, M. Bhattacharjee, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, G. Ginther, Jianming Qian, A. Jonckheere, A. P. Vorobiev, Stephan Linn, N. Oshima, Daria Zieminska, M. R. Krishnaswamy, Sergey Chekulaev, G. Briskin, Jeffrey F. Krane, V. Oguri, Heriberto Castilla-Valdez, S. Baffioni, M. A. Kubantsev, S. N. Gurzhiev, P. Demine, V. S. Burtovoi, Pushpalatha C Bhat, A. Abdesselam, Gustaaf Brooijmans, A. Juste, F. Borcherding, Vipin Bhatnagar, D. Coppage, J. Warchol, M. A.C. Cummings, V. Simak, H. E. Fisk, P. Padley, Alexey Volkov, B. Hoeneisen, Robert Hirosky, Lee Sawyer, Zeno Dixon Greenwood, N. Sotnikova, Wendy Taylor, A. M. Kalinin, Z. Zhou, J. Solomon, R. Partridge, X. Zhang, A. Besson, N. A. Naumann, S. Chopra, Viatcheslav Stolin, M. Gao, Mitchell Wayne, H. Schellman, J. M. Kohli, A. N. Galyaev, Ariel Schwartzman, G. Sajot, Roger Moore, D. K. Cho, Y. Arnoud, S. Reucroft, Melissa Ridel, S.A. Kahn, G. Gutierrez, M. Demarteau, Gilvan Alves, V. S. Narasimham, L. Groer, Thomas G Trippe, M. Strovink, R. Kehoe, Stefan Grünendahl, Mossadek Talby, S. Desai, R. Illingworth, B. Gómez, C. Lundstedt, Carlos Avila, W. E. Cooper, M. A. Strang, Sabine Crépé-Renaudin, A. Patwa, A. A. Mayorov, V. L. Malyshev, H. S. Mao, Shashikant Dugad, Vasken Hagopian, B. S. Acharya, H. Weerts, J. Snow, Arnaud Duperrin, M. Sosebee, S. Nelson, M. H.G. Souza, Andrew Brandt, E. A. Kozlovsky, H.E. Miettinen, Lev Dudko, F. Villeneuve-Seguier, G. D. Alexeev, Flera Rizatdinova, F. Blekman, Jong-Sung Yu, L. Lueking, N. I. Bojko, D. O'Neil, H. E. Montgomery, L. Babukhadia, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, O. V. Eroshin, Y. Song, Phillip Gutierrez, Neeti Parashar, J. N. Butler, Daniel Whiteson, Q. Z. Li, P. D. Grannis, C. Han, F. Beaudette, S. J. De Jong, M. B. Przybycien, M. Zielinski, Christos Leonidopoulos, R. J. Madaras, B. Kothari, Sarah Catherine Eno, D. Mihalcea, V. Buescher, J. Womersley, P. M. Tuts, V. E. Kuznetsov, Sebastian Grinstein, Z. M. Wang, B. Connolly, D. Karmanov, P. Pétroff, E. Kajfasz, K. W. Merritt, D. Hedin, U. Bassler, R. Engelmann, Ia Iashvili, S. Kesisoglou, V. M. Abazov, A. V. Kostritskiy, Regina Demina, Elizabeth Gallas, T. McMahon, K. Gounder, S. N. Ahmed, M. Fortner, Sissel Hansen, T. Rockwell, Iain Alexander Bertram, N. W. Reay, Y. D. Mutaf, H. A. Neal, J. T. Linnemann, V. Sorín, K. Yip, Michael Rijssenbeek, Christophe Royon, J. F. Bartlett, Alberto Santoro, J. G.R. Lima, V. Manankov, L. Stutte, A.S. Dyshkant, A. Melnitchouk, H. D. Wahl, J. T. Eltzroth, D. Bauer, M. Zanabria, P. Rubinov, V. N. Evdokimov, R. Jesik, Laurent Duflot, A. Alton, K. A. Johns, O. Peters, D. A. Wijngaarden, Richard B. Lipton, Suyong Choi, T. Yasuda, K. Bos, K. M. Chan, Sharon Hagopian, M. Abolins, H. L. Melanson, D. Buchholz, N. K. Mondal, R. Piegaia, Anna Goussiou, H. T. Diehl, T. A. Bolton, Gregorio Bernardi, D. Denisov, Gregory R Snow, A. Boehnlein, D. Edmunds, J. Ellison, A. K.A. Maciel, Sa. Jain, S. Fuess, Andre Sznajder, Yuri Gershtein, J. M. Heinmiller, Srinivasan Rajagopalan, P. I. Goncharov, Hal Evans, Thomas Ferbel, C. Miao, P. Krivkova, David H. Adams, Alice Bean, F. Canelli, A. Quadt, S. E.K. Mattingly, S. Fu, D. Chakraborty, D. Cutts, Wagner Carvalho, Don Lincoln, P. W. Balm, Vivek Jain, Q. Xu, Daniel John Karmgard, Greg Landsberg, C. Hebert, N. Parua, Alexander Khanov, Jing Li, R. Van Kooten, Ulrich Heintz, K. Soustruznik, H. Jöstlein, A. Zieminski, Frank Filthaut, M. Diesburg, J. Huang, D. A. Stoyanova, A. S. Turcot, R. A. Sidwell, S. Krzywdzinski, Michael Begel, A. Zylberstejn, R. D. Schamberger, F. Lehner, H. Greenlee, A. Bross, G. A. Davis, Serban Protopopescu, Alexander Belyaev, Patrick Slattery, N.V. Mokhov, M. I. Martin, A. P. Heinson, R. E. Hall, G. Steinbrück, K. Genser, A. Baden, G. C. Blazey, Brad Abbott, R. Yamada, C. Luo, Mary Beth Adams, B. M. Sabirov, R. K. Shivpuri, Elemer Nagy, D. R. Claes, S. Doulas, Kaushik De, Yu-tin Huang, Nikos Varelas, Bing Zhou, Stephen Wimpenny, A. R. Clark, T. Marshall, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, D. Casey, J. Kotcher, and Harald Fox
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Top quark ,010308 nuclear & particles physics ,High Energy Physics::Phenomenology ,Tevatron ,FOS: Physical sciences ,01 natural sciences ,Helicity ,law.invention ,Standard Model ,High Energy Physics - Experiment ,Nuclear physics ,High Energy Physics - Experiment (hep-ex) ,law ,0103 physical sciences ,High Energy Physics::Experiment ,Fermilab ,010306 general physics ,Collider ,Lepton ,Boson - Abstract
We examine properties of ttbar candidates events in lepton+jets final states to establish the helicities of the W bosons in t->W+b decays. Our analysis is based on a direct calculation of a probability that each event corresponds to a ttbar final state, as a function of the helicity of the W boson. We use the 125 events/pb sample of data collected by the DO experiment during Run I of the Fermilab Tevatron collider at sqrt{s}=1.8 TeV, and obtain a longitudinal helicity fraction of F_0=0.56+/-0.31, which is consistent with the prediction of F_0=0.70 from the standard model.
- Published
- 2016
18. Measurement of the high-mass Drell-Yan cross section and limits on quark-electron compositeness scales
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S. A. Jerger, W. G. Cobau, M. I. Martin, R. L. McCarthy, J. McDonald, B. Baldin, C. Klopfenstein, S. Krzywdzinski, Philip Baringer, M. Abolins, Y. Ducros, D. Norman, A.K. Gupta, W. E. Cooper, T. Joffe-Minor, P. Mooney, Peter Nemethy, L. Lueking, M. Roco, A. Zylberstejn, H. T. Diehl, L. Magaña-Mendoza, P. Yamin, E. Smith, H. Singh, C. Murphy, T. Heuring, R. Hernández-Montoya, P. Ermolov, M. Merkin, Y. Kulik, T. McKibben, E. Shabalina, Z. Zhou, J. Solomon, B. May, K. Del Signore, Matthew Jones, G. Eppley, Sergey Kuleshov, S. Protopopescu, Victor Daniel Elvira, H. da Motta, J. Yu, S. Grünendahl, S. Mani, N. Sotnikova, J. Ellison, A. K.A. Maciel, Elizabeth Gallas, H. Weerts, M. Bhattacharjee, B. Gobbi, Alexander Vorobiev, Hiroaki Aihara, A. Bross, J. Krane, R. Jesik, Jasvinder A. Singh, D. Koltick, D. Zieminska, S. Fuess, R. Madden, J. Bantly, Raymond Brock, Boaz Klima, Richard Breedon, H. Greenlee, T. G. Trippe, V. Gavrilov, Rajendran Raja, R. W. Stephens, G. Gutierrez, Peter W. Draper, S. Youssef, Pm Tuts, Sharon Hagopian, G. Guglielmo, A. Sanchez-Hernandez, Brad Abbott, T. McMahon, Robert Kehoe, David Cutts, P. I. Goncharov, S. Willis, H. E. Fisk, Sergey Denisov, Robert Hirosky, B. Zhang, P. Gartung, J. M. Hauptman, J. M. Guida, D. Hedin, L. Babukhadia, Cecilia Elena Gerber, E. Oltman, M. Sosebee, Pushpalatha C Bhat, P. Padley, N.V. Mokhov, Alexey Volkov, Stephen Wimpenny, V. V. Babintsev, J. McKinley, Y. M. Park, C. Miao, K. Gounder, Andrew Brandt, T. Marshall, R. Engelmann, S. Feher, Andrew White, V. N. Evdokimov, Gervasio Gomez, E. A. Kozlovsky, W. Y. Chen, Eunil Won, P. Bloom, V. A. Bezzubov, J. P. Negret, B. Lauer, R. P. Smith, A. N. Galyaev, G. E. Forden, A. P. Heinson, P. Yepes, Jianming Qian, James H Cochran, J. A. Wightman, M. A.C. Cummings, H.E. Miettinen, N. K. Mondal, A. Zieminski, Y. Zhou, Mitchell Wayne, F. Stichelbaut, B. Hoeneisen, N. I. Bojko, A. Boehnlein, Michael Shupe, V. S. Narasimham, B. G. Pope, R. E. Hall, J. L. González Solís, Z. Casilum, Darien Wood, H. Schellman, J. M. Kohli, D. Vititoe, C. K. Jung, V. Stolin, Nicholas John Hadley, Tong Hu, H. L. Melanson, P. Z. Quintas, H. E. Montgomery, A. V. Kozelov, M. L. Stevenson, R. J. Genik, A. A. Mayorov, A. L. Lyon, Shuichi Kunori, A. V. Kotwal, Harrison Prosper, R. Snihur, J. Snow, Daniel R Claes, D. Fein, M. Fortner, A. Jonckheere, H. D. Wahl, Winston Ko, S. Y. Jun, T. L.T. Thomas, S. Blessing, M. K. Fatyga, Scott Snyder, R. Markeloff, J. H. Christenson, E. G. Zverev, V. Vaniev, J. S. Hoftun, K. Davis, J. N. Butler, D. Denisov, Steve Reucroft, R. K. Shivpuri, S.A. Kahn, S. M. Chang, Don Lincoln, Erich Varnes, Li Jingyuan, Daniel John Karmgard, P. D. Grannis, H. Piekarz, F. Lobkowicz, P. Grudberg, J. F. Bartlett, A. Goussiou, C. Shaffer, M. Demarteau, D. Cullen-Vidal, K. Genser, J. Thompson, Andre Sznajder, B. Gómez, N. N. Biswas, M. Tartaglia, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, Z. H. Zhu, Z. Wu, Yuri Gershtein, K. Streets, Vipin Bhatnagar, D. Shpakov, M. D. Peters, Kaushik De, Shashikant Dugad, R. D. Schamberger, Meenakshi Narain, R. Partridge, K. M. Mauritz, Young-Sang Yu, J. Warchol, L. T. Goss, L. Oesch, P. Hanlet, J. V. D. Wirjawan, S. Chopra, G. Finocchiaro, V. Oguri, A. Narayanan, H. S. Mao, G. Wang, Alberto Santoro, J. G.R. Lima, G. Kalbfleisch, D. L. Adams, A. V. Kostritskiy, T. Fahland, D. Edmunds, Dhiman Chakraborty, M. H.G. Souza, Michael A. Strauss, Sissel Hansen, B. Gibbard, Kenneth Johns, Stephan Linn, V. S. Burtovoi, J. Sculli, M. Diesburg, C. Boswell, E. Flattum, R. Yamada, L. Coney, J. D. Hobbs, M. R. Krishnaswamy, Ricardo Piegaia, B. Pawlik, N. Oshima, Nikos Varelas, Suman Bala Beri, D. Casey, J. Kotcher, O. I. Dahl, G. Steinbrück, J. Linnemann, Sun Kee Kim, C. Yoshikawa, N. Graf, E. W. Anderson, Q. Z. Li, Allen Mincer, Sebastian Grinstein, Alexander Belyaev, D. Buchholz, Edilamar Menezes de Oliveira, Y. Pischalnikov, P. Tamburello, Gregory R Snow, F. Hsieh, Heriberto Castilla-Valdez, Ulrich Heintz, H. Jöstlein, D. Owen, J. Tarazi, A. R. Clark, A. Para, Sergey Chekulaev, M. L. Kelly, Howard Gordon, K. C. Frame, O. Ramirez, I. Adam, P. Rubinov, K. W. Merritt, V. Manankov, M. Chung, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, K. Yip, A.S. Dyshkant, J. Jaques, Ron Lipton, J. Womersley, Mark Raymond Adams, D. Karmanov, Brajesh C Choudhary, D. P. Stoker, Emanuela Barberis, H. Haggerty, Suyong Choi, Y. Fisyak, Joan A. Guida, G. Di Loreto, Srinivasan Rajagopalan, Thomas Ferbel, Dan Green, L. Sawyer, Marvin Johnson, M. Zielinski, R. J. Madaras, T. Yasuda, S. N. Gurzhiev, C. Cretsinger, J. Perkins, Alexander Leflat, M. Strovink, Gilvan Alves, K. S. Hahn, Wagner Carvalho, Greg Landsberg, Sw. Banerjee, T. L. Geld, M. Paterno, A. Baden, G. C. Blazey, S. C. Loken, N. Parua, V.V. Abramov, S. H. Ahn, F. Landry, John Rutherfoord, D. A. Stoyanova, Arnaud Lucotte, F. Borcherding, N. Amos, Randy Ruchti, Miguel Mostafa, C. S. Mishra, M. M. Baarmand, Sarah Catherine Eno, Vasken Hagopian, F. Nang, Lev Dudko, A. S. Ito, Gordon Watts, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, and J. T. White
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Quark ,Physics ,Particle physics ,High Energy Physics::Phenomenology ,FOS: Physical sciences ,General Physics and Astronomy ,Scale (descriptive set theory) ,Electron ,High Energy Physics - Experiment ,Standard Model ,Nuclear physics ,High Energy Physics - Experiment (hep-ex) ,Cross section (physics) ,High mass ,High Energy Physics::Experiment ,Invariant mass ,Nuclear Experiment - Abstract
We present a measurement of the Drell-Yan cross section at high dielectron invariant mass using 120/pb of data collected in pbar-p collisions at sqrt(s) = 1.8 TeV by the D0 collaboration during 1992-96. No deviation from standard model expectations is observed. We use the data to set limits on the energy scale of quark-electron compositeness with common constituents. The 95% confidence level lower limits on the compositeness scale vary between 3.3 TeV and 6.1 TeV depending on the assumed form of the effective contact interaction., 6 pages, 2 figures, submitted to PRL
- Published
- 2016
19. GLOBAL JET PROPERTIES AT 14-44 GEV CENTER OF MASS-ENERGY IN E+E- ANNIHILATION
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D. H. Saxon, R. Gerhards, Rj Cashmore, B. Löhr, U. Karshon, P. Joos, Luis Hervas, B. Foster, Fernando Barreiro, E.E. Ronat, A. Caldwell, Eduardo Ros, H. Kowalski, M. Takashima, A. Ladage, A. Eskreys, M. Holder, H. Hultschig, Janusz Chwastowski, E. Lohrmann, D. Trines, John Hart, Sau Lan Wu, Philip Burrows, A. Jocksch, J. M. Pawlak, D. Notz, H. M. Fischer, N. Wainer, A. J. Martin, K. Genser, Stephanie Brandt, M. G. Bowler, J. Krüger, K. U. Pösnecker, R. Wedemeyer, H. Hartmann, D. Strom, H. U. Martyn, Hermann Kolanoski, F. J. Kirschfink, J. Shulman, Wolfram Dietrich Zeuner, Georg Zobernig, E. Hilger, D. Lüke, S. Ritz, Gy. Wolf, M. E. Veitch, Ian R Tomalin, P. Mättig, J. F. Hassard, D. Muller, G. Cases, E. Bernardi, Jens Hartmann, D. Su, D. Revel, A. Montag, J. Del Peso, Y. Eisenberg, R. Walczak, W. Braunschweig, and G. Poelz
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Physics ,Jet (fluid) ,Particle physics ,Annihilation ,Physics and Astronomy (miscellaneous) ,Electron–positron annihilation ,Hadron ,Elementary particle ,Charged particle ,Nuclear physics ,Momentum ,High Energy Physics::Experiment ,Center of mass ,Nuclear Experiment ,Engineering (miscellaneous) - Abstract
Jet properties ine + e − annihilation at center of mass energies of 14, 22, 35 and 43.7 GeV were studied with the data collected in the TASSO detector at PETRA, using the same evaluation procedures for all the energies. The total hadronic cross section ratio for the center of mass energy interval 39–47 GeV was determined to be ℛ=4.11±0.05 (stat)±0.18(syst.) at $$\langle \sqrt s \rangle = 43 - 7$$ GeV. Corrected distributions of global shape variables are presented as well as the inclusive charged particle distributions for scaled momentum and transverse momentum. The center of mass energy evolution of the average sphericity, thrust, aplanarity and particle momentum is shown.
- Published
- 2016
20. COMPARISON OF INCLUSIVE FRACTIONAL MOMENTUM DISTRIBUTIONS OF QUARK AND GLUON JETS PRODUCED IN E+E- ANNIHILATION
- Author
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H. Hartmann, M. Holder, Eduardo Ros, R. J. Cashmore, John Hart, D. Notz, Sau Lan Wu, M. Takashima, U. Karshon, Fernando Barreiro, G. Yekutieli, D. Trines, H. Kowalski, Janusz Chwastowski, E. Hilger, E.E. Ronat, H. Hulschig, B. Bock, Y. Eisenberg, E. Lohrmann, D. Strom, T. Kracht, R. Walczak, W. Braunschweig, D. Revel, G. Poelz, K. Genser, Hermann Kolanoski, E. Bernardi, Guenter Wolf, John Hassard, K. U. Pösnecker, Stephanie Brandt, A. Montag, Philip Burrows, K. Gather, J. Del Peso, J. Shulman, G. Mikenberg, H. M. Fischer, R. Gerhards, A. Ladage, H. U. Martyn, Jens Hartmann, A. J. Martin, J. M. Pawlak, Georg Zobernig, F. J. Kirschfink, D. Su, G. P. Heath, R. Wedemeyer, Wolfram Dietrich Zeuner, A. Eskreys, M. E. Veitch, Ian R Tomalin, P. Mättig, D. Muller, D. Lüke, S. Ritz, B. Löhr, P. Joos, B. Foster, A. Leites, A. Shapira, N. Wainer, M. G. Bowler, A. Jocksch, D. H. Saxon, and J. Krüger
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Quark ,Physics ,Particle physics ,Annihilation ,Physics and Astronomy (miscellaneous) ,Astrophysics::High Energy Astrophysical Phenomena ,High Energy Physics::Phenomenology ,Hadron ,Parton ,Jet (particle physics) ,Charged particle ,Gluon ,Nuclear physics ,Momentum ,High Energy Physics::Experiment ,Nuclear Experiment ,Engineering (miscellaneous) - Abstract
Inclusive charged particle production ine + e − annihilation into hadrons is studied in terms of the particle fractional momentumx p . Thex p distribution for gluon jets is extracted by comparing two data samples measured in the TASSO detector: nearly symmetric three jet events at centre-of-mass energyW∼35 GeV and two jet events atW∼22 GeV, yielding quark and gluon jets of similar energies (∼11.5 GeV). No significant difference is observed between quark and gluon jets. Monte Carlo models based on parton showers describe the trend and energy variation of the data better than a model with second order matrix element in α s .
- Published
- 2016
21. Determination of the absolute jet energy scale in the DO calorimeters
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B Abbott, M Abolins, B.S Acharya, I Adam, D.L Adams, M Adams, S Ahn, H Aihara, G.A Alves, N Amos, E.W Anderson, R Astur, M.M Baarmand, L Babukhadia, A Baden, V Balamurali, J Balderston, B Baldin, S Banerjee, J Bantly, E Barberis, J.F Bartlett, A Belyaev, S.B Beri, I Bertram, V.A Bezzubov, P.C Bhat, V Bhatnagar, M Bhattacharjee, N Biswas, G Blazey, S Blessing, P Bloom, A Boehnlein, N.I Bojko, F Borcherding, C Boswell, A Brandt, R Brock, A Bross, D Buchholz, V.S Burtovoi, J.M Butler, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, S.-M Chang, S.V Chekulaev, L.-P Chen, W Chen, S Choi, S Chopra, B.C Choudhary, J.H Christenson, M Chung, D Claes, A.R Clark, W.G Cobau, J Cochran, L Coney, W.E Cooper, C Cretsinger, D Cullen-Vidal, M.A.C Cummings, D Cutts, O.I Dahl, K Davis, K De, K.Del Signore, M Demarteau, D Denisov, S.P Denisov, H.T Diehl, M Diesburg, G.Di Loreto, P Draper, Y Ducros, L.V Dudko, S.R Dugad, D Edmunds, J Ellison, V.D Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, O.V Eroshin, V.N Evdokimov, T Fahland, M.K Fatyga, S Feher, D Fein, T Ferbel, G Finocchiaro, H.E Fisk, Y Fisyak, E Flattum, G.E Forden, M Fortner, K.C Frame, S Fuess, E Gallas, A.N Galyaev, P Gartung, V Gavrilov, T.L Geld, R.J.Genik II, K Genser, C.E Gerber, Y Gershtein, B Gibbard, S Glenn, B Gobbi, A Goldschmidt, B Gómez, G Gómez, P.I Goncharov, J.L GonzálezSolı́s, H Gordon, L.T Goss, K Gounder, A Goussiou, N Graf, P.D Grannis, D.R Green, H Greenlee, S Grinstein, P Grudberg, S Grünendahl, G Guglielmo, J.A Guida, J.M Guida, A Gupta, S.N Gurzhiev, G Gutierrez, P Gutierrez, N.J Hadley, H Haggerty, S Hagopian, V Hagopian, K.S Hahn, R.E Hall, P Hanlet, S Hansen, J.M Hauptman, D Hedin, A.P Heinson, U Heintz, R Hernández-Montoya, T Heuring, R Hirosky, J.D Hobbs, B Hoeneisen, J.S Hoftun, F Hsieh, Ting Hu, Tong Hu, T Huehn, A.S Ito, E James, J Jaques, S.A Jerger, R Jesik, J.Z.-Y Jiang, T Joffe-Minor, K Johns, M Johnson, A Jonckheere, M Jones, H Jöstlein, S.Y Jun, C.K Jung, S Kahn, G Kalbfleisch, J.S Kang, D Karmanov, D Karmgard, R Kehoe, M.L Kelly, C.L Kim, S.K Kim, B Klima, C Klopfenstein, J.M Kohli, D Koltick, A.V Kostritskiy, J Kotcher, A.V Kotwal, J Kourlas, A.V Kozelov, E.A Kozlovsky, J Krane, M.R Krishnaswamy, S Krzywdzinski, S Kuleshov, S Kunori, F Landry, G Landsberg, B Lauer, A Leflat, H Li, J Li, Q.Z Li-Demarteau, J.G.R Lima, D Lincoln, S.L Linn, J Linnemann, R Lipton, Y.C Liu, F Lobkowicz, S.C Loken, S Lökös, L Lueking, A.L Lyon, A.K.A Maciel, R.J Madaras, R Madden, L Magaña-Mendoza, V Manankov, S Mani, H.S Mao, R Markeloff, T Marshall, M.I Martin, K.M Mauritz, B May, A.A Mayorov, R McCarthy, J McDonald, T McKibben, J McKinley, T McMahon, H.L Melanson, M Merkin, K.W Merritt, H Miettinen, A Mincer, C.S Mishra, N Mokhov, N.K Mondal, H.E Montgomery, P Mooney, H da Motta, C Murphy, F Nang, M Narain, V.S Narasimham, A Narayanan, H.A Neal, J.P Negret, P Nemethy, D Norman, L Oesch, V Oguri, E Oliveira, E Oltman, N Oshima, D Owen, P Padley, A Para, Y.M Park, R Partridge, N Parua, M Paterno, B Pawlik, J Perkins, M Peters, R Piegaia, H Piekarz, Y Pischalnikov, B.G Pope, H.B Prosper, S Protopopescu, J Qian, P.Z Quintas, R Raja, S Rajagopalan, O Ramirez, L Rasmussen, S Reucroft, M Rijssenbeek, T Rockwell, M Roco, P Rubinov, R Ruchti, J Rutherfoord, A Sánchez-Hernández, A Santoro, L Sawyer, R.D Schamberger, H Schellman, J Sculli, E Shabalina, C Shaffer, H.C Shankar, R.K Shivpuri, M Shupe, H Singh, J.B Singh, V Sirotenko, W Smart, E Smith, R.P Smith, R Snihur, G.R Snow, J Snow, S Snyder, J Solomon, M Sosebee, N Sotnikova, M Souza, A.L Spadafora, G Steinbrück, R.W Stephens, M.L Stevenson, D Stewart, F Stichelbaut, D Stoker, V Stolin, D.A Stoyanova, M Strauss, K Streets, M Strovink, A Sznajder, P Tamburello, J Tarazi, M Tartaglia, T.L.T Thomas, J Thompson, T.G Trippe, P.M Tuts, N Varelas, E.W Varnes, D Vititoe, A.A Volkov, A.P Vorobiev, H.D Wahl, G Wang, J Warchol, G Watts, M Wayne, H Weerts, A White, J.T White, J.A Wightman, S Willis, S.J Wimpenny, J.V.D Wirjawan, J Womersley, E Won, D.R Wood, H Xu, R Yamada, P Yamin, J Yang, T Yasuda, P Yepes, C Yoshikawa, S Youssef, J Yu, Y Yu, Z Zhou, Z.H Zhu, D Zieminska, A Zieminski, E.G Zverev, and A Zylberstejn
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Quantum chromodynamics ,Physics ,Nuclear and High Energy Physics ,Particle physics ,Range (particle radiation) ,Physics::Instrumentation and Detectors ,Detector ,Tevatron ,FOS: Physical sciences ,Jet (particle physics) ,High Energy Physics - Experiment ,Calorimeter ,High Energy Physics - Experiment (hep-ex) ,Pseudorapidity ,High Energy Physics::Experiment ,Fermilab ,Nuclear Experiment ,Instrumentation - Abstract
The DZERO detector is used to study proton-antiproton collisions at the 1800 GeV and 630 GeV center-of-mass energies available at the Fermilab Tevatron. To measure jets, the detector uses a sampling calorimeter composed of uranium and liquid argon as the passive and active media respectively. Understanding the jet energy calibration is not only crucial for precision tests of QCD, but also for the measurement of particle masses and the determination of physics backgrounds associated with new phenomena. This paper describes the energy calibration of jets observed with the DZERO detector at the two proton-antiproton center-of-mass energies in the transverse energy and pseudorapidity range ET>8 GeV and pseudorapidity, 94 pages with 52 figures (included in the 94 pages)
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- 2016
22. Search for large extra dimensions in dielectron and diphoton production
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B. May, Emanuela Barberis, R. J. Madaras, K. Streets, Vipin Bhatnagar, H. Weerts, T. Heuring, S. A. Jerger, Bobby Samir Acharya, H. A. Neal, R. Snihur, Elemer Nagy, Anurag Gupta, A. S. Turcot, A. A. Mayorov, Y. Kulik, Jasvinder A. Singh, Wendy Taylor, A. Patwa, K. M. Mauritz, L. T. Goss, H. C. Shankar, F. Borcherding, V. Sorín, K. Yip, S. Youssef, V. Simak, V. N. Evdokimov, Alexander Leflat, P. Ermolov, M. Strovink, M. Merkin, M. I. Martin, Roger Moore, L. Stutte, Robert Hirosky, Pushpalatha C Bhat, V. S. Burtovoi, A.S. Dyshkant, Robert Kehoe, Gervasio Gomez, David Cutts, V. Zutshi, P. Padley, Alexey Volkov, M. Sosebee, J. Bantly, N.V. Mokhov, A. Bean, Gilvan Alves, Michael Begel, Chris Hays, S. Tentindo-Repond, R. L. McCarthy, H. Haggerty, Raymond Brock, Boaz Klima, J. McDonald, Miguel Mostafa, M. M. Baarmand, Sarah Catherine Eno, L. J. Pan, K. Gounder, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, A. P. Heinson, D. Norman, A. V. Kozelov, Gustaaf Brooijmans, B. Gibbard, J. Thompson, S. R. Hou, L. Sawyer, K. Genser, Philip Baringer, W. E. Cooper, R. Van Kooten, M. A.C. Cummings, S. Willis, F. Nang, Andrew White, P. Grudberg, S. Feher, D. Shpakov, Z. Zhou, J. Solomon, R. Demina, P. Demine, A. Besson, B. Gómez, J. Rha, H. S. Mao, P. Gartung, Andrew Brandt, R. Engelmann, E. A. Kozlovsky, H.E. Miettinen, Z. H. Zhu, E. Popkov, M. R. Krishnaswamy, R. E. Hall, J. L. González Solís, Z. Casilum, V. A. Bezzubov, J. P. Negret, R. P. Smith, Michael Shupe, Y. Fisyak, C. Klopfenstein, M. Chung, Shashikant Dugad, Marvin Johnson, M. Roco, S. Krzywdzinski, B. Hoeneisen, G. Eppley, A. Baden, A. N. Galyaev, K. M. Chan, Dhiman Chakraborty, G. C. Blazey, G. Gutierrez, M. Buehler, H. Zheng, N. W. Reay, S. Grünendahl, Yu-tin Huang, J. Perkins, J. Sculli, M. Diesburg, J. Yu, E. G. Zverev, J. F. Bartlett, A. Goussiou, A. Para, Neeti Parashar, H. da Motta, D. Zieminska, S. Fuess, J. Estrada, Elizabeth Gallas, R. Partridge, T. McMahon, M. Bhattacharjee, R. Gilmartin, N. R. Stanton, V. Stolin, H. E. Montgomery, Sun Kee Kim, V. Buescher, A. Zylberstejn, Sergey Chekulaev, P. Hanlet, D. Coppage, V. S. Narasimham, L. Groer, Thomas G Trippe, F. Lehner, D. K. Cho, Pm Tuts, S. Duensing, J. M. Hauptman, Cecilia Elena Gerber, Orin I. Dahl, John Rutherfoord, R. Jesik, Haiyan Wang, Nikos Varelas, Meenakshi Narain, E. W. Anderson, A. V. Kotwal, Harrison Prosper, B. Knuteson, D. P. Stoker, V. V. Babintsev, B. Pawlik, Sharon Hagopian, Z. Yu, M. Zielinski, E. Shabalina, V. Gavrilov, Daniel R Claes, S.A. Kahn, Kenneth Johns, F. Stichelbaut, G. Ginther, Daniel Whiteson, Alexander Belyaev, S. Desai, Q. Z. Li, Stephen Wimpenny, P. Rubinov, G. A. Davis, K. W. Merritt, Jianming Qian, D. Casey, A. R. Clark, C. S. Mishra, J. Kotcher, T. Fahland, D. Edmunds, N. Sotnikova, Ron Lipton, B. G. Pope, R. J. Genik, M. Demarteau, G. Graham, A. Zieminski, James C. Green, Patrick Slattery, Allen Mincer, G. Briskin, D. Fein, M. Fortner, T. Marshall, D. A. Stoyanova, D. Denisov, V. Manankov, K. S. Hahn, Sebastian Grinstein, J. Womersley, Ricardo Piegaia, Jeffrey F. Krane, N. Graf, T. Yasuda, Don Lincoln, D. Buchholz, Darien Wood, Wagner Carvalho, E. Flattum, R. Yamada, H. D. Wahl, R. D. Schamberger, Greg Landsberg, L. Lueking, Sw. Banerjee, P. W. Balm, Daniel John Karmgard, M. Zanabria, Winston Ko, S. N. Gurzhiev, A. V. Kostritskiy, Mark Raymond Adams, D. Karmanov, Li Jingyuan, S. Negroni, C. Hebert, N. Amos, Heriberto Castilla-Valdez, Nicholas John Hadley, S. Blessing, S. Chopra, P. A. Rapidis, Sissel Hansen, J. T. White, Ariel Schwartzman, O. Peters, M. Paterno, K. Soustruznik, A. Boehnlein, H. L. Melanson, P. Z. Quintas, Ulrich Heintz, U. Bassler, J. V.D. Wirjawan, Scott Snyder, E. Smith, K. Del Signore, L. Coney, H. Jöstlein, Matthew Jones, N. Sen, J. D. Hobbs, J. Snow, J. H. Christenson, A. P. Vorobiev, E. Kajfasz, R. K. Shivpuri, Stephan Linn, David H. Adams, Gregory R Snow, R. A. Sidwell, N. Oshima, P. van Gemmeren, F. Canelli, M. Abolins, H. E. Fisk, S. Doulas, D. Hedin, Alberto Santoro, J. G.R. Lima, C. Lundstedt, Kaushik De, V. E. Kuznetsov, D. Toback, M. A. Kubantsev, R. W. Stephens, Vasken Hagopian, Suyong Choi, Steve Reucroft, E. J. Ramberg, S. M. Tripathi, Z. M. Wang, A. Bross, H. T. Diehl, G. Steinbrück, V. Oguri, H. Singh, Shuichi Kunori, P. Yamin, V. Vaniev, T. Rockwell, Iain Alexander Bertram, G. Di Loreto, Rajendran Raja, Lev Dudko, J. Ellison, A. K.A. Maciel, Gregorio Bernardi, Peter W. Draper, Michael Rijssenbeek, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Brad Abbott, Sergey Denisov, A. S. Ito, P. I. Goncharov, J. Warchol, C. Miao, B. Olivier, N. K. Mondal, F. Fleuret, Gordon Watts, V. Sirotenko, O. V. Eroshin, Phillip Gutierrez, Howard Gordon, K. C. Frame, N. Parua, V.V. Abramov, Arnaud Lucotte, Randy Ruchti, A. Jonckheere, Andre Sznajder, Yuri Gershtein, M. D. Peters, L. Oesch, L. Babukhadia, M. H.G. Souza, D. Mihalcea, B. Connolly, Richard Breedon, H. Greenlee, D. A. Wijngaarden, Michael A. Strauss, Suman Bala Beri, J. Linnemann, A. Juste, J. A. Wightman, N. I. Bojko, R. D. Martin, M. L. Stevenson, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, B. Baldin, Y. Ducros, X. C. Meng, Sergey Kuleshov, S. Protopopescu, Victor Daniel Elvira, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), D0, Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), and D0 (Tevatron, IHEF, IOP, FNWI)
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Physics ,Particle physics ,Photon ,Planck scale ,010308 nuclear & particles physics ,Detector ,FOS: Physical sciences ,General Physics and Astronomy ,Electron ,01 natural sciences ,High Energy Physics - Experiment ,Nuclear physics ,High Energy Physics - Phenomenology ,High Energy Physics - Experiment (hep-ex) ,symbols.namesake ,Extra dimensions ,High Energy Physics - Phenomenology (hep-ph) ,Angular distribution ,0103 physical sciences ,symbols ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,Large extra dimension ,Production (computer science) ,High Energy Physics::Experiment ,010306 general physics - Abstract
We report a search for effects of large extra spatial dimensions in ppbar collisions at a center-of-mass energy of 1.8 TeV with the DZero detector, using events containing a pair of electrons or photons. The data are in good agreement with the expected background and do not exhibit evidence for large extra dimensions. We set the most restrictive lower limits to date, at the 95% confidence level, on the effective Planck scale between 1.0 TeV and 1.4 TeV for several formalisms and numbers of extra dimensions., Comment: 6 pages, 2 figures, submitted to Phys. Rev. Lett
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- 2016
23. A Software Toolkit to Study Systematic Uncertainties of the Physics Models of the Geant4 Simulation Package
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D. H. Wright, Hans Wenzel, Julia Yarba, Michael Kelsey, K. Genser, Gabriel Perdue, and Robert Hatcher
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Physics::Computational Physics ,History ,010308 nuclear & particles physics ,Computer science ,business.industry ,01 natural sciences ,Computer Science Applications ,Education ,Computing and Computers ,Software ,0103 physical sciences ,010306 general physics ,Software engineering ,business - Abstract
The Geant4 toolkit is used to model interactions between particles and matter. Geant4 employs a set of validated physics models that span a wide range of interaction energies. These models are tuned to cover a large variety of possible applications. This raises the critical question of what uncertainties are associated with the Geant4 physics model, or group of models, involved in a simulation project. To address the challenge, we have designed and implemented a comprehen- sive, modular, user-friendly software toolkit that allows the variation of one or more parameters of one or more Geant4 physics models involved in simulation studies. It also enables analysis of multiple variants of the resulting physics observables of interest in order to estimate the uncertain- ties associated with the simulation model choices. Key functionalities of the toolkit are presented in this paper and are illustrated with selected results.
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- 2016
24. Recent developments in Geant4
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Vladimir Grichine, Sebastien Incerti, G.O. Depaola, A. Galoyan, Andrea Dotti, Maria A.M. Reis, T. Yamashita, Enrico Bagli, Davide Mancusi, Ziad Francis, Helmut Burkhardt, J. I. Shin, Pekka Kaitaniemi, K. Amako, Tatsumi Koi, M. Raine, Pedro Arce, Ivan Petrović, John Allison, Nicolas A. Karakatsanis, D. Sawkey, Alexey Bogdanov, Victor Daniel Elvira, Giovanni Santin, X. Dong, Douglas Wright, M.H. Kelsey, S. Y. Jun, Maria Grazia Pia, K. Murakami, P. Gumplinger, S. B. Lee, Makoto Asai, J Perl, Jerome Verbeke, V. V. Uzhinsky, S. Hwang, J. M. Quesada, D. Brandt, Vladimir Ivanchenko, L. Garnier, Giorgio Ivan Russo, A. Mantero, Alexander Bagulya, Francesco Longo, B. Morgan, G. Barrand, Susanna Guatelli, T. Nikitina, Igor Strakovsky, H.N. Tran, Francesco Romano, B. R. Beck, Sw. Banerjee, D. Cano-Ott, M. Gayer, F.W. Jones, Ph Canal, Luciano Pandola, Paul Gueye, Toshiyuki Toshito, M. A. Cortés-Giraldo, Kyung-Suk Cho, Tsukasa Aso, A. Ristic Fira, Alexander Howard, G. Cosmo, Gunter Folger, John Apostolakis, Hisaya Kurashige, Giacomo Cuttone, Ivana Hřivnáčová, B. Tome, E. Mendoza, Stephane Chauvie, M. Karamitrosi, A. Taborda, Gene Cooperman, Satoshi Tanaka, H. Wenzel, B. Wendt, K. Genser, Takashi Sasaki, D. H. Wright, Pete Truscott, L. Urbán, Alberto Ribon, M. Verderi, P. Paprocki, M. Maire, A. Ivanchenko, Akinori Kimura, W. Pokorski, H. Yoshida, Jeremy M. C. Brown, A. Lechner, G.A.P. Cirrone, J. Yarba, Laurent Desorgher, Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut de Physique Nucléaire d'Orsay (IPNO), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Service des Réacteurs et de Mathématiques Appliquées (SERMA), Département de Modélisation des Systèmes et Structures (DM2S), CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-CEA-Direction des Energies (ex-Direction de l'Energie Nucléaire) (CEA-DES (ex-DEN)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, DAM Île-de-France (DAM/DIF), Direction des Applications Militaires (DAM), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), 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), Université Sciences et Technologies - Bordeaux 1 (UB)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Service d’Études des Réacteurs et de Mathématiques Appliquées (SERMA), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear, Allison, J., Amako, K., Apostolakis, J., Arce, P., Asai, M., Aso, T., Bagli, E., Bagulya, A., Banerjee, S., Barrand, G., Beck, B. R., Bogdanov, A. G., Brandt, D., Brown, J. M. C., Burkhardt, H., Canal, Ph., Cano-Ott, D., Chauvie, S., Cho, K., Cirrone, G. A. P., Cooperman, G., Cortés-Giraldo, M. A., Cosmo, G., Cuttone, G., Depaola, G., Desorgher, L., Dong, X., Dotti, A., Elvira, V. D., Folger, G., Francis, Z., Galoyan, A., Garnier, L., Gayer, M., Genser, K. L., Grichine, V. M., Guatelli, S., Guãye, P., Gumplinger, P., Howard, A. S., Hřivnã¡čovã¡, I., Hwang, S., Incerti, S., Ivanchenko, A., Ivanchenko, V. N., Jones, F. W., Jun, S. Y., Kaitaniemi, P., Karakatsanis, N., Karamitrosi, M., Kelsey, M., Kimura, A., Koi, T., Kurashige, H., Lechner, A., Lee, S. B., Longo, F., Maire, M., Mancusi, D., Mantero, A., Mendoza, E., Morgan, B., Murakami, K., Nikitina, T., Pandola, L., Paprocki, P., Perl, J., Petrović, I., Pia, M. G., Pokorski, W., Quesada, J. M., Raine, M., Reis, M. A., Ribon, A., Ristić Fira, A., Romano, F., Russo, G., Santin, G., Sasaki, T., Sawkey, D., Shin, J. I., Strakovsky, I. I., Taborda, A., Tanaka, S., Tomã©, B., Toshito, T., Tran, H. N., Truscott, P. R., Urban, L., Uzhinsky, V., Verbeke, J. M., Verderi, M., Wendt, B. L., Wenzel, H., Wright, D. H., Wright, D. M., Yamashita, T., Yarba, J., and Yoshida, H.
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MONTE-CARLO DOSIMETRY ,LIQUID WATER ,Nuclear and High Energy Physics ,Exploit ,PAIR PRODUCTION ,MODELS ,Nuclear physics ,ENERGY ELECTROMAGNETIC ,HEAVY-ION COLLISIONS ,[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex] ,01 natural sciences ,QA76 ,030218 nuclear medicine & medical imaging ,High energy physic ,03 medical and health sciences ,0302 clinical medicine ,Software ,HADRON-NUCLEUS ,0103 physical sciences ,PHYSICS PROCESSES ,Statistical physics ,High energy physics ,Adaptation (computer science) ,Instrumentation ,QC ,Computing ,Radiation ,Simulation ,ComputingMilieux_MISCELLANEOUS ,Nuclear and High Energy Physic ,Physics ,Physics::Computational Physics ,010308 nuclear & particles physics ,business.industry ,Detector ,NUCLEUS CROSS-SECTIONS ,SPACE EVENT GENERATOR ,Variety (cybernetics) ,Visualization ,Computing and Computers ,MICRODOSIMETRY SIMULATION ,Nuclear physic ,Multithreading ,Nuclear Physics - Theory ,Systems engineering ,Space Science ,business - Abstract
Geant4 is a software toolkit for the simulation of the passage of particles through matter. It is used by a large number of experiments and projects in a variety of application domains, including high energy physics, astrophysics and space science, medical physics and radiation protection. Over the past several years, major changes have been made to the toolkit in order to accommodate the needs of these user communities, and to efficiently exploit the growth of computing power made available by advances in technology. The adaptation of Geant4 to multithreading, advances in physics, detector modeling and visualization, extensions to the toolkit, including biasing and reverse Monte Carlo, and tools for physics and release validation are discussed here., Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 835, ISSN:0168-9002, ISSN:1872-9576
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- 2016
25. Software Aspects of the Geant4 Validation Repository
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Alberto Ribon, W. Pokorski, D. Elvira, K. Genser, Julia Yarba, Federico Carminati, Dmitri Konstantinov, Hans Wenzel, Andrea Dotti, and Gunter Folger
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History ,Database ,Computer science ,computer.internet_protocol ,business.industry ,Experimental data ,computer.software_genre ,JSON ,Computer Science Applications ,Education ,Computing and Computers ,Software ,Scientific simulation ,Regression testing ,ComputingMethodologies_DOCUMENTANDTEXTPROCESSING ,Web application ,Web service ,business ,computer ,XML ,computer.programming_language - Abstract
The Geant4, GeantV and GENIE collaborations regularly perform validation and regression tests for simulation results. DoSSiER (Database of Scientific Simulation and Experimental Results) is being developed as a central repository to store the simulation results as well as the experimental data used for validation. DoSSiER is easily accessible via a web application. In addition, a web service allows for programmatic access to the repository to extract records in JSON or XML exchange formats. In this article, we describe the functionality and the current status of various components of DoSSiER as well as the technology choices we made.
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- 2016
26. Measurement of the Inclusive Jet Cross Section at the Fermilab Tevatron p anti-p Collider Using a Cone-Based Jet Algorithm
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CDF Collaboration, T. Aaltonen, J. Adelman, T. Akimoto, M. G. Albrow, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanskas, A. Attal, A. Aurisano, F. Azfar, P. Azzurri, W. Badgett, A. Barbaro Galtieri, V. E. Barnes, B. A. Barnett, V. Bartsch, G. Bauer, P. H. Beauchemin, F. Bedeschi, P. Bednar, D. Beecher, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretvas, J. Beringer, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, A. Bridgeman, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, C. Calancha, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, D. Carlsmith, R. Carosi, S. Carrillo, S. Carron, B. Casal, M. Casarsa, P. Catastini, D. Cauz, V. Cavaliere, M. Cavalli Sforza, A. Cerri, L. Cerrito, S. H. Chang, Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze, F. Chlebana, K. Cho, D. Chokheli, J. P. Chou, G. Choudalakis, S. H. Chuang, K. Chung, W. H. Chung, Y. S. Chung, C. I. Ciobanu, M. A. Ciocci, A. Clark, D. Clark, G. Compostella, M. E. Convery, J. Conway, K. Copic, M. Cordelli, G. Cortiana, D. J. Cox, F. Crescioli, C. Cuenca Almenar, J. Cuevas, R. Culbertson, J. C. Cully, D. Dagenhart, M. Datta, T. Davies, P. de Barbaro, S. De Cecco, A. Deisher, G. De Lorenzo, M. Dell’Orso, C. Deluca, L. Demortier, J. Deng, P. F. Derwent, G. P. di Giovanni, C. Dionisi, B. Di Ruzza, J. R. Dittmann, M. D’Onofrio, S. Donati, P. Dong, J. Donini, T. Dorigo, S. Dube, J. Efron, A. Elagin, R. Erbacher, D. Errede, S. Errede, R. Eusebi, H. C. Fang, S. Farrington, W. T. Fedorko, R. G. Feild, M. Feindt, J. P. Fernandez, C. Ferrazza, R. Field, G. Flanagan, R. Forrest, M. Franklin, J. C. Freeman, I. Furic, M. Gallinaro, J. Galyardt, F. Garberson, J. E. Garcia, A. F. Garfinkel, K. Genser, H. Gerberich, D. Gerdes, A. Gessler, S. Giagu, V. Giakoumopoulou, P. Giannetti, K. Gibson, J. L. Gimmell, C. M. Ginsburg, N. Giokaris, M. Giordani, P. Giromini, M. Giunta, G. Giurgiu, V. Glagolev, D. Glenzinski, M. Gold, N. Goldschmidt, A. Golossanov, G. Gomez, G. Gomez Ceballos, M. Goncharov, O. González, I. Gorelov, A. T. Goshaw, K. Goulianos, A. Gresele, S. Grinstein, C. Grosso Pilcher, R. C. Group, U. Grundler, J. Guimaraes da Costa, Z. Gunay Unalan, C. Haber, K. Hahn, S. R. Hahn, E. Halkiadakis, B. Y. Han, J. Y. Han, R. Handler, F. Happacher, K. Hara, D. Hare, M. Hare, S. Harper, R. F. Harr, R. M. Harris, M. Hartz, K. Hatakeyama, J. Hauser, C. Hays, M. Heck, A. Heijboer, B. Heinemann, J. Heinrich, C. Henderson, M. Herndon, J. Heuser, S. Hewamanage, D. Hidas, C. S. Hill, D. Hirschbuehl, A. Hocker, S. Hou, M. Houlden, S. C. Hsu, B. T. Huffman, R. E. Hughes, U. Husemann, J. Huston, J. Incandela, G. Introzzi, M. Iori, A. Ivanov, E. James, B. Jayatilaka, E. J. Jeon, M. K. Jha, S. Jindariani, W. Johnson, M. Jones, K. K. Joo, S. Y. Jun, J. E. Jung, T. R. Junk, T. Kamon, D. Kar, P. E. Karchin, Y. Kato, R. Kephart, J. Keung, V. Khotilovich, B. Kilminster, D. H. Kim, H. S. Kim, J. E. Kim, M. J. Kim, S. B. Kim, S. H. Kim, Y. K. Kim, N. Kimura, L. Kirsch, S. Klimenko, B. Knuteson, B. R. Ko, S. A. Koay, K. Kondo, D. J. Kong, J. Konigsberg, A. Korytov, A. V. Kotwal, M. Kreps, J. Kroll, D. Krop, N. Krumnack, M. Kruse, V. Krutelyov, T. Kubo, T. Kuhr, N. P. Kulkarni, M. Kurata, Y. Kusakabe, S. Kwang, A. T. Laasanen, S. Lami, S. Lammel, M. Lancaster, R. L. Lander, K. Lannon, A. Lath, G. Latino, I. Lazzizzera, T. LeCompte, E. Lee, S. W. Lee, S. Leone, J. D. Lewis, C. S. Lin, J. Linacre, M. Lindgren, E. Lipeles, A. Lister, D. O. Litvintsev, C. Liu, T. Liu, N. S. Lockyer, A. Loginov, M. Loreti, L. Lovas, R. S. Lu, D. Lucchesi, J. Lueck, C. Luci, P. Lujan, P. Lukens, G. Lungu, L. Lyons, J. Lys, R. Lysak, E. Lytken, P. Mack, D. MacQueen, R. Madrak, K. Maeshima, K. Makhoul, T. Maki, P. Maksimovic, S. Malde, S. Malik, G. Manca, A. Manousakis Katsikakis, F. Margaroli, C. Marino, C. P. Marino, A. Martin, V. Martin, M. Martínez, R. Martínez Ballarín, T. Maruyama, P. Mastrandrea, T. Masubuchi, M. E. Mattson, P. Mazzanti, K. S. McFarland, P. McIntyre, R. McNulty, A. Mehta, P. Mehtala, A. Menzione, P. Merkel, C. Mesropian, T. Miao, N. Miladinovic, R. Miller, C. Mills, M. Milnik, A. Mitra, G. Mitselmakher, H. Miyake, C. S. Moon, R. Moore, M. J. Morello, J. Morlok, P. Movilla Fernandez, J. Mülmenstädt, A. Mukherjee, T.h. Muller, R. Mumford, P. Murat, J. Nachtman, Y. Nagai, A. Nagano, J. Naganoma, K. Nakamura, I. Nakano, A. Napier, V. Necula, C. Neu, M. S. Neubauer, J. Nielsen, L. Nodulman, M. Norman, O. Norniella, E. Nurse, L. Oakes, S. H. Oh, Y. D. Oh, I. Oksuzian, T. Okusawa, R. Orava, K. Osterberg, S. Pagan Griso, C. Pagliarone, E. Palencia, V. Papadimitriou, A. Papaikonomou, A. A. Paramonov, B. Parks, S. Pashapour, J. Patrick, G. Pauletta, M. Paulini, C. Paus, D. E. Pellett, A. Penzo, T. J. Phillips, G. Piacentino, E. Pianori, L. Pinera, K. Pitts, C. Plager, L. Pondrom, O. Poukhov, N. Pounder, F. Prakoshyn, A. Pronko, J. Proudfoot, F. Ptohos, E. Pueschel, G. Punzi, J. Pursley, J. Rademacker, A. Rahaman, V. Ramakrishnan, N. Ranjan, I. Redondo, B. Reisert, V. Rekovic, P. Renton, M. Rescigno, S. Richter, L. Ristori, A. Robson, T. Rodrigo, T. Rodriguez, E. Rogers, S. Rolli, R. Roser, M. Rossi, R. Rossin, P. Roy, A. Ruiz, J. Russ, V. Rusu, H. Saarikko, A. Safonov, W. K. Sakumoto, O. Saltó, L. Santi, S. Sarkar, L. Sartori, K. Sato, A. Savoy Navarro, T. Scheidle, P. Schlabach, A. Schmidt, E. E. Schmidt, M. A. Schmidt, M. P. Schmidt, M. Schmitt, T. Schwarz, L. Scodellaro, A. L. Scott, A. Scribano, F. Scuri, A. Sedov, S. Seidel, Y. Seiya, A. Semenov, L. Sexton Kennedy, A. Sfyrla, S. Z. Shalhout, T. Shears, P. F. Shepard, D. Sherman, M. Shimojima, S. Shiraishi, M. Shochet, Y. Shon, I. Shreyber, A. Sidoti, P. Sinervo, A. Sisakyan, A. J. Slaughter, J. Slaunwhite, K. Sliwa, J. R. Smith, F. D. Snider, R. Snihur, A. Soha, S. Somalwar, V. Sorin, J. Spalding, T. Spreitzer, P. Squillacioti, M. Stanitzki, R. S.t. Denis, B. Stelzer, O. Stelzer Chilton, D. Stentz, J. Strologas, D. Stuart, J. S. Suh, A. Sukhanov, I. Suslov, T. Suzuki, A. Taffard, R. Takashima, Y. Takeuchi, R. Tanaka, M. Tecchio, P. K. Teng, K. Terashi, J. Thom, A. S. Thompson, G. A. Thompson, E. Thomson, P. Tipton, V. Tiwari, S. Tkaczyk, D. Toback, S. Tokar, K. Tollefson, T. Tomura, D. Tonelli, S. Torre, D. Torretta, P. Totaro, S. Tourneur, Y. Tu, N. Turini, F. Ukegawa, S. Vallecorsa, N. van Remortel, A. Varganov, E. Vataga, F. Vázquez, G. Velev, C. Vellidis, V. Veszpremi, M. Vidal, R. Vidal, I. Vila, R. Vilar, T. Vine, M. Vogel, I. Volobouev, G. Volpi, F. Würthwein, P. Wagner, R. G. Wagner, R. L. Wagner, J. Wagner Kuhr, W. Wagner, T. Wakisaka, R. Wallny, S. M. Wang, A. Warburton, D. Waters, M. Weinberger, W. C. Wester, III, B. Whitehouse, D. Whiteson, A. B. Wicklund, E. Wicklund, G. Williams, H. H. Williams, P. Wilson, B. L. Winer, P. Wittich, S. Wolbers, C. Wolfe, T. Wright, X. Wu, S. M. Wynne, A. Yagil, K. Yamamoto, J. Yamaoka, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, I. Zaw, X. Zhang, Y. Zheng, CASTRO, ANDREA, DENINNO, MARIA MADDALENA, MOGGI, NICCOLO', MUSSINI, MANUEL, RIMONDI, FRANCO, ZUCCHELLI, STEFANO, CDF Collaboration, T. Aaltonen, J. Adelman, T. Akimoto, M. G. Albrow, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Anto, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanska, A. Attal, A. Aurisano, F. Azfar, P. Azzurri, W. Badgett, A. Barbaro-Galtieri, V. E. Barne, B. A. Barnett, V. Bartsch, G. Bauer, P.-H. Beauchemin, F. Bedeschi, P. Bednar, D. Beecher, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretva, J. Beringer, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, A. Bridgeman, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, C. Calancha, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, D. Carlsmith, R. Carosi, S. Carrillo, S. Carron, B. Casal, M. Casarsa, A. Castro, P. Catastini, D. Cauz, V. Cavaliere, M. Cavalli-Sforza, A. Cerri, L. Cerrito, S. H. Chang, Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze, F. Chlebana, K. Cho, D. Chokheli, J. P. Chou, G. Choudalaki, S. H. Chuang, K. Chung, W. H. Chung, Y. S. Chung, C. I. Ciobanu, M. A. Ciocci, A. Clark, D. Clark, G. Compostella, M. E. Convery, J. Conway, K. Copic, M. Cordelli, G. Cortiana, D. J. Cox, F. Crescioli, C. Cuenca Almenar, J. Cueva, R. Culbertson, J. C. Cully, D. Dagenhart, M. Datta, T. Davie, P. de Barbaro, S. De Cecco, A. Deisher, G. De Lorenzo, M. Dell’Orso, C. Deluca, L. Demortier, J. Deng, M. Deninno, P. F. Derwent, G. P. di Giovanni, C. Dionisi, B. Di Ruzza, J. R. Dittmann, M. D’Onofrio, S. Donati, P. Dong, J. Donini, T. Dorigo, S. Dube, J. Efron, A. Elagin, R. Erbacher, D. Errede, S. Errede, R. Eusebi, H. C. Fang, S. Farrington, W. T. Fedorko, R. G. Feild, M. Feindt, J. P. Fernandez, C. Ferrazza, R. Field, G. Flanagan, R. Forrest, M. Franklin, J. C. Freeman, I. Furic, M. Gallinaro, J. Galyardt, F. Garberson, J. E. Garcia, A. F. Garfinkel, K. Genser, H. Gerberich, D. Gerde, A. Gessler, S. Giagu, V. Giakoumopoulou, P. Giannetti, K. Gibson, J. L. Gimmell, C. M. Ginsburg, N. Giokari, M. Giordani, P. Giromini, M. Giunta, G. Giurgiu, V. Glagolev, D. Glenzinski, M. Gold, N. Goldschmidt, A. Golossanov, G. Gomez, G. Gomez-Ceballo, M. Goncharov, O. González, I. Gorelov, A. T. Goshaw, K. Gouliano, A. Gresele, S. Grinstein, C. Grosso-Pilcher, R. C. Group, U. Grundler, J. Guimaraes da Costa, Z. Gunay-Unalan, C. Haber, K. Hahn, S. R. 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Ruiz, J. Ru, V. Rusu, H. Saarikko, A. Safonov, W. K. Sakumoto, O. Saltó, L. Santi, S. Sarkar, L. Sartori, K. Sato, A. Savoy-Navarro, T. Scheidle, P. Schlabach, A. Schmidt, E. E. Schmidt, M. A. Schmidt, M. P. Schmidt, M. Schmitt, T. Schwarz, L. Scodellaro, A. L. Scott, A. Scribano, F. Scuri, A. Sedov, S. Seidel, Y. Seiya, A. Semenov, L. Sexton-Kennedy, A. Sfyrla, S. Z. Shalhout, T. Shear, P. F. Shepard, D. Sherman, M. Shimojima, S. Shiraishi, M. Shochet, Y. Shon, I. Shreyber, A. Sidoti, P. Sinervo, A. Sisakyan, A. J. Slaughter, J. Slaunwhite, K. Sliwa, J. R. Smith, F. D. Snider, R. Snihur, A. Soha, S. Somalwar, V. Sorin, J. Spalding, T. Spreitzer, P. Squillacioti, M. Stanitzki, R. St. Deni, B. Stelzer, O. Stelzer-Chilton, D. Stentz, J. Strologa, D. Stuart, J. S. Suh, A. Sukhanov, I. Suslov, T. Suzuki, A. Taffard, R. Takashima, Y. Takeuchi, R. Tanaka, M. Tecchio, P. K. Teng, K. Terashi, J. Thom, A. S. Thompson, G. A. Thompson, E. Thomson, P. Tipton, V. Tiwari, S. Tkaczyk, D. Toback, S. Tokar, K. Tollefson, T. Tomura, D. Tonelli, S. Torre, D. Torretta, P. Totaro, S. Tourneur, Y. Tu, N. Turini, F. Ukegawa, S. Vallecorsa, N. van Remortel, A. Varganov, E. Vataga, F. Vázquez, G. Velev, C. Vellidi, V. Veszpremi, M. Vidal, R. Vidal, I. Vila, R. Vilar, T. Vine, M. Vogel, I. Volobouev, G. Volpi, F. Würthwein, P. Wagner, R. G. Wagner, R. L. Wagner, J. Wagner-Kuhr, W. Wagner, T. Wakisaka, R. Wallny, S. M. Wang, A. Warburton, D. Water, M. Weinberger, W. C. Wester, III, B. Whitehouse, D. Whiteson, A. B. Wicklund, E. Wicklund, G. William, H. H. William, P. Wilson, B. L. Winer, P. Wittich, S. Wolber, C. Wolfe, T. Wright, X. Wu, S. M. Wynne, A. Yagil, K. Yamamoto, J. Yamaoka, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, I. Zaw, X. Zhang, Y. Zheng, S. Zucchelli, T., Aaltonen, J., Adelman, T., Akimoto, M. G., Albrow, B., ÁLVAREZ GONZÁLEZ, S., Amerio, D., Amidei, A., Anastassov, A., Annovi, J., Anto, G., Apollinari, A., Apresyan, T., Arisawa, A., Artikov, W., Ashmanska, A., Attal, A., Aurisano, F., Azfar, P., Azzurri, W., Badgett, A., BARBARO GALTIERI, V. E., Barne, B. A., Barnett, V., Bartsch, G., Bauer, P. H., Beauchemin, F., Bedeschi, P., Bednar, D., Beecher, S., Behari, G., Bellettini, J., Bellinger, D., Benjamin, A., Beretva, J., Beringer, A., Bhatti, M., Binkley, D., Bisello, I., Bizjak, R. E., Blair, C., Blocker, B., Blumenfeld, A., Bocci, A., Bodek, V., Boisvert, G., Bolla, D., Bortoletto, J., Boudreau, A., Boveia, B., Brau, A., Bridgeman, L., Brigliadori, C., Bromberg, E., Brubaker, J., Budagov, H. S., Budd, S., Budd, K., Burkett, G., Busetto, P., Bussey, A., Buzatu, K. L., Byrum, S., Cabrera, C., Calancha, M., Campanelli, M., Campbell, F., Canelli, A., Canepa, D., Carlsmith, R., Carosi, S., Carrillo, S., Carron, B., Casal, M., Casarsa, A., Castro, P., Catastini, D., Cauz, V., Cavaliere, M., CAVALLI SFORZA, A., Cerri, L., Cerrito, S. H., Chang, Y. C., Chen, M., Chertok, G., Chiarelli, G., Chlachidze, F., Chlebana, K., Cho, D., Chokheli, J. P., Chou, G., Choudalaki, S. H., Chuang, K., Chung, W. H., Chung, Y. S., Chung, C. I., Ciobanu, M. A., Ciocci, A., Clark, D., Clark, G., Compostella, M. E., Convery, J., Conway, K., Copic, M., Cordelli, G., Cortiana, D. J., Cox, F., Crescioli, C., CUENCA ALMENAR, J., Cueva, R., Culbertson, J. C., Cully, D., Dagenhart, M., Datta, T., Davie, P., DE BARBARO, S., DE CECCO, A., Deisher, G., DE LORENZO, M., Dell'Orso, C., Deluca, L., Demortier, J., Deng, M., Deninno, P. F., Derwent, G. P., DI GIOVANNI, C., Dionisi, B., DI RUZZA, J. R., Dittmann, M., D'Onofrio, S., Donati, P., Dong, J., Donini, T., Dorigo, S., Dube, J., Efron, A., Elagin, R., Erbacher, D., Errede, S., Errede, R., Eusebi, H. C., Fang, S., Farrington, W. T., Fedorko, R. G., Feild, M., Feindt, J. P., Fernandez, C., Ferrazza, R., Field, G., Flanagan, R., Forrest, M., Franklin, J. C., Freeman, I., Furic, M., Gallinaro, J., Galyardt, F., Garberson, J. E., Garcia, A. F., Garfinkel, K., Genser, H., Gerberich, D., Gerde, A., Gessler, S., Giagu, V., Giakoumopoulou, P., Giannetti, K., Gibson, J. L., Gimmell, C. M., Ginsburg, N., Giokari, M., Giordani, P., Giromini, M., Giunta, G., Giurgiu, V., Glagolev, D., Glenzinski, M., Gold, N., Goldschmidt, A., Golossanov, G., Gomez, G., GOMEZ CEBALLOS, M., Goncharov, O., González, I., Gorelov, A. T., Goshaw, K., Gouliano, A., Gresele, S., Grinstein, C., GROSSO PILCHER, R. C., Group, U., Grundler, J., GUIMARAES DA COSTA, Z., GUNAY UNALAN, C., Haber, K., Hahn, S. R., Hahn, E., Halkiadaki, B. Y., Han, J. Y., Han, R., Handler, F., Happacher, K., Hara, D., Hare, M., Hare, S., Harper, R. F., Harr, R. M., Harri, M., Hartz, K., Hatakeyama, J., Hauser, C., Hay, M., Heck, A., Heijboer, B., Heinemann, J., Heinrich, C., Henderson, M., Herndon, J., Heuser, S., Hewamanage, D., Hida, C. S., Hill, D., Hirschbuehl, A., Hocker, S., Hou, M., Houlden, S. C., Hsu, B. T., Huffman, R. E., Hughe, U., Husemann, J., Huston, J., Incandela, G., Introzzi, M., Iori, A., Ivanov, E., Jame, B., Jayatilaka, E. J., Jeon, M. K., Jha, S., Jindariani, W., Johnson, M., Jone, K. K., Joo, S. Y., Jun, J. E., Jung, T. R., Junk, T., Kamon, D., Kar, P. E., Karchin, Y., Kato, R., Kephart, J., Keung, V., Khotilovich, B., Kilminster, D. H., Kim, H. S., Kim, J. E., Kim, M. J., Kim, S. B., Kim, S. H., Kim, Y. K., Kim, N., Kimura, L., Kirsch, S., Klimenko, B., Knuteson, B. R., Ko, S. A., Koay, K., Kondo, D. J., Kong, J., Konigsberg, A., Korytov, A. V., Kotwal, M., Krep, J., Kroll, D., Krop, N., Krumnack, M., Kruse, V., Krutelyov, T., Kubo, T., Kuhr, N. P., Kulkarni, M., Kurata, Y., Kusakabe, S., Kwang, A. T., Laasanen, S., Lami, S., Lammel, M., Lancaster, R. L., Lander, K., Lannon, A., Lath, G., Latino, I., Lazzizzera, T., Lecompte, E., Lee, S. W., Lee, S., Leone, J. D., Lewi, C. S., Lin, J., Linacre, M., Lindgren, E., Lipele, A., Lister, D. O., Litvintsev, C., Liu, T., Liu, N. S., Lockyer, A., Loginov, M., Loreti, L., Lova, R. S., Lu, D., Lucchesi, J., Lueck, C., Luci, P., Lujan, P., Luken, G., Lungu, L., Lyon, J., Ly, R., Lysak, E., Lytken, P., Mack, D., Macqueen, R., Madrak, K., Maeshima, K., Makhoul, T., Maki, P., Maksimovic, S., Malde, S., Malik, G., Manca, A., MANOUSAKIS KATSIKAKIS, F., Margaroli, C., Marino, C. P., Marino, A., Martin, V., Martin, M., Martínez, R., MARTÍNEZ BALLARÍN, T., Maruyama, P., Mastrandrea, T., Masubuchi, M. E., Mattson, P., Mazzanti, K. S., Mcfarland, P., Mcintyre, R., Mcnulty, A., Mehta, P., Mehtala, A., Menzione, P., Merkel, C., Mesropian, T., Miao, N., Miladinovic, R., Miller, C., Mill, M., Milnik, A., Mitra, G., Mitselmakher, H., Miyake, N., Moggi, C. S., Moon, R., Moore, M. J., Morello, J., Morlok, P., MOVILLA FERNANDEZ, J., Mülmenstädt, A., Mukherjee, Muller, T. H., R., Mumford, P., Murat, M., Mussini, J., Nachtman, Y., Nagai, A., Nagano, J., Naganoma, K., Nakamura, I., Nakano, A., Napier, V., Necula, C., Neu, M. S., Neubauer, J., Nielsen, L., Nodulman, M., Norman, O., Norniella, E., Nurse, L., Oake, S. H., Oh, Y. D., Oh, I., Oksuzian, T., Okusawa, R., Orava, K., Osterberg, S., PAGAN GRISO, C., Pagliarone, E., Palencia, V., Papadimitriou, A., Papaikonomou, A. A., Paramonov, B., Park, S., Pashapour, J., Patrick, G., Pauletta, M., Paulini, C., Pau, D. E., Pellett, A., Penzo, T. J., Phillip, G., Piacentino, E., Pianori, L., Pinera, K., Pitt, C., Plager, L., Pondrom, O., Poukhov, N., Pounder, F., Prakoshyn, A., Pronko, J., Proudfoot, F., Ptoho, E., Pueschel, G., Punzi, J., Pursley, J., Rademacker, A., Rahaman, V., Ramakrishnan, N., Ranjan, I., Redondo, B., Reisert, V., Rekovic, P., Renton, M., Rescigno, S., Richter, F., Rimondi, L., Ristori, A., Robson, T., Rodrigo, T., Rodriguez, E., Roger, S., Rolli, R., Roser, M., Rossi, R., Rossin, P., Roy, A., Ruiz, J., Ru, V., Rusu, H., Saarikko, A., Safonov, W. K., Sakumoto, O., Saltó, L., Santi, S., Sarkar, L., Sartori, K., Sato, A., SAVOY NAVARRO, T., Scheidle, P., Schlabach, A., Schmidt, E. E., Schmidt, M. A., Schmidt, M. P., Schmidt, M., Schmitt, T., Schwarz, L., Scodellaro, A. L., Scott, A., Scribano, F., Scuri, A., Sedov, S., Seidel, Y., Seiya, A., Semenov, L., SEXTON KENNEDY, A., Sfyrla, S. Z., Shalhout, T., Shear, P. F., Shepard, D., Sherman, M., Shimojima, S., Shiraishi, M., Shochet, Y., Shon, I., Shreyber, A., Sidoti, P., Sinervo, A., Sisakyan, A. J., Slaughter, J., Slaunwhite, K., Sliwa, J. R., Smith, F. D., Snider, R., Snihur, A., Soha, S., Somalwar, V., Sorin, J., Spalding, T., Spreitzer, P., Squillacioti, M., Stanitzki, Denis, R. S. T., B., Stelzer, O., STELZER CHILTON, D., Stentz, J., Strologa, D., Stuart, J. S., Suh, A., Sukhanov, I., Suslov, T., Suzuki, A., Taffard, R., Takashima, Y., Takeuchi, R., Tanaka, M., Tecchio, P. K., Teng, K., Terashi, J., Thom, A. S., Thompson, G. A., Thompson, E., Thomson, P., Tipton, V., Tiwari, S., Tkaczyk, D., Toback, S., Tokar, K., Tollefson, T., Tomura, D., Tonelli, S., Torre, D., Torretta, Totaro, Pierluigi, S., Tourneur, Y., Tu, N., Turini, F., Ukegawa, S., Vallecorsa, N., VAN REMORTEL, A., Varganov, E., Vataga, F., Vázquez, G., Velev, C., Vellidi, V., Veszpremi, M., Vidal, R., Vidal, I., Vila, R., Vilar, T., Vine, M., Vogel, I., Volobouev, G., Volpi, F., Würthwein, P., Wagner, R. G., Wagner, R. L., Wagner, J., WAGNER KUHR, W., Wagner, T., Wakisaka, R., Wallny, S. M., Wang, A., Warburton, D., Water, M., Weinberger, W. C., WESTER III, B., Whitehouse, D., Whiteson, A. B., Wicklund, E., Wicklund, G., William, H. H., William, P., Wilson, B. L., Winer, P., Wittich, S., Wolber, C., Wolfe, T., Wright, X., Wu, S. M., Wynne, A., Yagil, K., Yamamoto, J., Yamaoka, U. K., Yang, Y. C., Yang, W. M., Yao, G. P., Yeh, J., Yoh, K., Yorita, T., Yoshida, G. B., Yu, I., Yu, S. S., Yu, J. C., Yun, L., Zanello, A., Zanetti, I., Zaw, X., Zhang, Y., Zheng, and AND S., Zucchelli
- Subjects
Astrophysics::High Energy Astrophysical Phenomena ,High Energy Physics::Phenomenology ,_ ,High Energy Physics::Experiment - Abstract
We present a measurement of the inclusive jet cross section in p (p) over bar collisions at root s = 1.96 TeV based on data collected by the CDF II detector with an integrated luminosity of 1.13 fb(-1). The measurement was made using the cone-based midpoint jet clustering algorithm in the rapidity region of vertical bar y vertical bar < 2.1. The results are consistent with next-to-leading-order perturbative QCD predictions based on recent parton distribution functions (PDFs), and are expected to provide increased precision in PDFs at high parton momentum fraction x. The results are also compared to the recent inclusive jet cross section measurement using the k(T) jet clustering algorithm, and we find that the ratio of the cross sections measured with the two algorithms is in agreement with theoretical expectations over a large range of jet transverse momentum and rapidity.
- Published
- 2008
27. GeantV alpha release
- Author
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John Apostolakis, Mihaela Gheata, Marilena Bandieramonte, P. Karpinski, P. Mendez Lorenzo, Gulrukh Khattak, Elena D. Orlova, Farah Hariri, Alberto Ribon, Mihaly Novak, G Lima, V. Ivantchenko, Sofia Vallecorsa, G. Cosmo, Federico Carminati, A. Bhattacharyya, Harphool Kumawat, Raman Sehgal, Philippe Canal, Dmitri Konstantinov, Rene Brun, Ananya, W. Pokorski, J. Martínez-Castro, O Shadura, D. Elvira, Guilherme Amadio, S. P. Behera, Soon Yung Jun, Shruti Sharan, I. Goulas, L Duhem, A. Miranda-Aguilar, Andrei Gheata, V. Drogan, Katalin Nikolics, Sandro Christian Wenzel, K. Genser, and R. Schmitz
- Subjects
History ,Computer science ,Radiochemistry ,Alpha (ethology) ,Computing and Computers ,Computer Science Applications ,Education - Abstract
In the fall 2016, GeantV went through a thorough community evaluation of the project status and of its strategy for sharing the R&D; results with the LHC experiments and with the HEP simulation community in general. Following this discussion, GeantV has engaged onto an ambitious 2-year road-path aiming to deliver a beta version that has most of the final design and several performance features of the final product, partially integrated with some of the experiment’s frameworks. The initial GeantV prototype has been updated to a vector-aware concurrent framework, which is able to deliver high-density floating-point computations for most of the performance-critical components such as propagation in field and physics models. Electromagnetic physics models were adapted for the specific GeantV requirements, aiming for the full demonstration of shower physics performance in the alpha release at the end of 2017. We have revisited and formalized GeantV user interfaces and helper protocols, allowing to: connect to user code, provide recipes to access efficiently MC truth and generate user data in a concurrent environment.
- Published
- 2018
28. GQLink: an implementation of Quantized State Systems (QSS) methods in Geant4
- Author
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K. Genser, Federico Bergero, Soon Yung Jun, D. Elvira, Lucio Santi, and Rodrigo Castro
- Subjects
History ,Computer science ,State (functional analysis) ,Statistical physics ,Computer Science Applications ,Education - Published
- 2018
29. A Toolkit to Study Sensitivity of the Geant4 Predictions to the Variations of the Physics Model Parameters
- Author
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Robert Hatcher, K. Genser, Julia Yarba, Hans Wenzel, Michael Kelsey, Gabriel Perdue, D. H. Wright, and Laura Fields
- Subjects
Physics ,History ,Model parameters ,Sensitivity (control systems) ,Biological system ,Computer Science Applications ,Education - Published
- 2018
30. Simulation Needs and Priorities of the Fermilab Intensity Frontier
- Author
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H.J. Wenzel, K. Genser, J. Yarba, Gabriel Perdue, V.D. Elvira, and R. Hatcher
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Physics ,Frontier ,Operations research ,Physics::Instrumentation and Detectors ,Detector ,Real-time computing ,High Energy Physics::Experiment ,Fermilab - Abstract
Over a two-year period, the Physics and Detector Simulations (PDS) group of the Fermilab Scientific Computing Division (SCD), collected information from Fermilab Intensity Frontier experiments on their simulation needs and concerns. The process and results of these activities are documented here.
- Published
- 2015
31. Geant4 Computing Performance Benchmarking and Monitoring
- Author
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V. Daniel Elvira, James B. Kowalkowski, Gunter Folger, Andrea Dotti, Marc Paterno, K. Genser, and Soon Yung Jun
- Subjects
History ,Event (computing) ,Computer science ,Call stack ,Real-time computing ,Benchmarking ,Call graph ,Computer Science Applications ,Education ,Computing and Computers ,Scalability ,Memory footprint ,Computing with Memory ,Central processing unit - Abstract
Performance evaluation and analysis of large scale computing applications is essential for optimal use of resources. As detector simulation is one of the most compute intensive tasks and Geant4 is the simulation toolkit most widely used in contemporary high energy physics (HEP) experiments, it is important to monitor Geant4 through its development cycle for changes in computing performance and to identify problems and opportunities for code improvements. All Geant4 development and public releases are being profiled with a set of applications that utilize different input event samples, physics parameters, and detector configurations. Results from multiple benchmarking runs are compared to previous public and development reference releases to monitor CPU and memory usage. Observed changes are evaluated and correlated with code modifications. Besides the full summary of call stack and memory footprint, a detailed call graph analysis is available to Geant4 developers for further analysis. The set of software tools used in the performance evaluation procedure, both in sequential and multi-threaded modes, include FAST, IgProf and Open|Speedshop. The scalability of the CPU time and memory performance in multi-threaded application is evaluated by measuring event throughput and memory gain as a function of the number of threads for selected event samples.
- Published
- 2015
32. Measurement of the tt¯ production cross section in pp¯ collisions at s=1.96 TeV in dilepton final states
- Author
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H. E. Fisk, L. S. Vertogradov, T. Toole, Aran Garcia-Bellido, J. P. Konrath, B. Davies, Y. Arnoud, A. Leflat, S. Lager, S. Uvarov, K. Gounder, J. R. Kalk, Graham Wilson, P. K. Mal, V. M. Abazov, W. E. Cooper, V. Shary, Ivor Fleck, M. P. Sanders, Yann Coadou, H. da Motta, D. Gillberg, J. Torborg, B. Quinn, D. Chakraborty, A. S. Ito, A. Melnitchouk, O. Atramentov, Sharon Hagopian, Makoto Tomoto, C. Magass, Dugan O'Neil, E. G. Zverev, Don Lincoln, Erich Varnes, A. Patwa, Alice Bean, Iain Alexander Bertram, J. M. Hauptman, Cecilia Elena Gerber, G. Ginther, S. Banerjee, Jianming Qian, V. Hynek, Robert Hirosky, Michael Rijssenbeek, M. Doidge, P. W. Balm, Denis Gelé, N. M. Cason, Arnaud Duperrin, V. M. Korablev, N. Oliveira, G. Savage, V. V. Lipaev, Marcia Begalli, A. M. Kalinin, K. W. Merritt, J. F. Bartlett, H. Kim, Philip Baringer, S. Jabeen, Robert Kehoe, Norbert Wermes, Meenakshi Narain, Jong-Sung Yu, Sherry Towers, D. Wicke, M. Agelou, J. Fast, A. M. Magnan, M. Yan, J. D. Degenhardt, V. N. Evdokimov, I. Hall, A. Chandra, S. Burke, J. Lazoflores, M. Sosebee, Maria Elena Pol, B. G. Pope, J. Gardner, Jing Li, G. Alkhazov, Freya Blekman, Adam L. Lyon, Markus Klute, J. Kotcher, S. Anderson, S. E.K. Mattingly, Harald Fox, T. Vu Anh, Elizaveta Shabalina, Michael A. Strauss, Juan Estrada, Jovan Mitrevski, G. Gutierrez, Gilvan Alves, Nikola Makovec, M. Vaupel, M. Zdrazil, Y. D. Mutaf, D. A. Stoyanova, I. A. Vasilyev, P. M. Perea, Emmanuel Busato, Armen Vartapetian, U. Bassler, S. Robinson, Regina Demina, T. Moulik, Alberto Santoro, J. G.R. Lima, P. Rubinov, M. Abolins, L. Duflot, B. Åsman, R. Piegaia, L. Groer, Karl Jakobs, Kevin Black, M. Anastasoaie, N. K. Mondal, P. Schieferdecker, Andrew Brandt, P. Lebrun, W. M. Van Leeuwen, Arnulf Quadt, A. A. Mayorov, O. Boeriu, Y. Kulik, Kirti Ranjan, H.E. Miettinen, Vivek Jain, Q. Xu, Paul Telford, Carsten Hensel, Timothy Andeen, R. L. McCarthy, Christian Schmitt, S. Nelson, M. H.G. Souza, R. Gelhaus, Elemer Nagy, D. K. Cho, A. Stone, M. Das, A. P. Heinson, G. S. Muanza, A. Yurkewicz, R. E. Hall, Tae Jeong Kim, Tobias Golling, T. Scanlon, S. Kermiche, Alexander Khanov, Rupinder Kaur, Daniel Whiteson, Bradley Cox, V. I. Rud, S. Söldner-Rembold, P. Lewis, J. Snow, Christophe Clement, Nikos Varelas, Bing Zhou, Vipin Bhatnagar, Marvin Johnson, E. De La Cruz-Burelo, A. Kryemadhi, Suman Bala Beri, A. V. Kozelov, Shuichi Kunori, L. Lobo, Vivian O'Dell, N. Lahrichi, R. Partridge, X. Zhang, Lorenzo Feligioni, Emanuela Barberis, L. Christofek, M. Kopal, Christian Autermann, A. Juste, Michael Begel, Eduardo De Moraes Gregores, Kazunori Hanagaki, Dongliang Zhang, Todd Adams, Helena Malbouisson, D. Chapin, V. L. Malyshev, M. Merkin, H. S. Mao, G. A. Davis, Raimund Ströhmer, V. Simak, S. Chakrabarti, Peter Love, Boris Tuchming, Luiz Mundim, Abdenour Lounis, Raymond Brock, Boaz Klima, Cris W. Barnes, P. Padley, R. F. Rodrigues, J. N. Butler, P. D. Grannis, R. Beuselinck, Robert Harrington, Limin Wang, Mitchell Wayne, S. Krzywdzinski, H. Schellman, J. M. Kohli, A. Mendes, R. J. Madaras, Marc-Andre Pleier, J. Steele, Stefan Grünendahl, Julia S. Meyer, F. Lehner, F. Villeneuve-Seguier, Mossadek Talby, B. Gómez, S. Yacoob, H. Greenlee, D. M. Strom, B. C.K. Casey, Shashikant Dugad, T. H. Burnett, Heriberto Castilla-Valdez, Alexandre Zabi, A. Bross, A. Cothenet, K. J. Rani, A. Alton, Serban Protopopescu, George Alverson, Tiefu Zhao, Ashok Kumar, S. W. Youn, E. Von Toerne, P. Demine, Andy Haas, K. Genser, D. Hedin, A. Sanchez-Hernandez, Ulrike Blumenschein, S. Kesisoglou, Q. Z. Li, P. L.M. Podesta-Lerma, D. Coppage, K. M. Chan, Christian Zeitnitz, V. Zutshi, F. Charles, Ulrich Heintz, J. A. Parsons, Jean-Laurent Agram, N. A. Naumann, M. Cooke, W. L. Prado Da Silva, Frank Filthaut, Tulika Bose, S. Reucroft, Brad Abbott, Andrew Askew, Zhengguo Zhao, D. Käfer, A. Bellavance, Ariel Schwartzman, M. Diesburg, M. Verzocchi, Pierre Petroff, Brigitte Vachon, D. Shpakov, P.F. Ermolov, Stephen Wimpenny, Martin Grunewald, J. Kasper, V. White, Milos Lokajicek, D. Edmunds, Andrew White, M. Michaut, Darien Wood, Nicholas John Hadley, W. D. Shephard, C. P. Buszello, Alexey Ferapontov, S. Blessing, R. McCroskey, Andre Sznajder, Scott Snyder, V. A. Bezzubov, Karel Smolek, H. Dong, Andrei Nomerotski, J. P. Negret, Yuri Gershtein, D. Buchholz, Emmanuelle Perez, R. K. Shivpuri, John Hobbs, J. Barreto, P. Tamburello, D. R. Claes, Gavin Davies, Anna Goussiou, S. Doulas, T. Nunnemann, B. Baldin, J. Dyer, R. P. Smith, Gregory R Snow, Sophie Trincaz-Duvoid, Kaushik De, Sung Keun Park, Mansoora Shamim, Reinhard Schwienhorst, J. Kozminski, M. C. Cousinou, I. Blackler, R. Van Kooten, M. D. Corcoran, Jan Stark, W. M. Lee, A. Kharchilava, L. Lueking, Henry Lubatti, L. Han, S. Fu, Andre Sopczak, J. Cammin, B. Andrieu, A. Zieminski, Michael Hildreth, R. Bernhard, D. A. Wijngaarden, M. Buehler, D. Kau, Elliott Cheu, Victor Daniel Elvira, G. Hesketh, A. Harel, P. J. Van Den Berg, Jessica Levêque, K. Bos, Marc Besancon, J. Temple, J. Huang, R. A. Sidwell, Michael Martens, N. R. Stanton, K. Stevenson, S. Uzunyan, Y. A. Yatsunenko, C. Han, S. N. Fatakia, V. M. Podstavkov, M. Fortner, B. Clement, L. Phaf, Y. Hu, Ph Gris, Frederic Deliot, C. De Oliveira Martins, Christopher George Tully, P. Houben, P. N. Ratoff, Y. M. Kharzheev, Patrick Slattery, G. J. Otero y Garzón, Harrison Prosper, S. Desai, P. M. Tuts, V. Buescher, P. Mättig, R. Illingworth, S. J. Hong, N. Gollub, Suyong Choi, Gregorio Bernardi, D. Denisov, J. M. Heinmiller, Hal Evans, Thomas Ferbel, Lars Sonnenschein, A. C.S. Assis Jesus, Guennadi Borissov, W. C. Fisher, Neeti Parashar, M. Zielinski, Thomas Trefzger, G. D. Alexeev, Flera Rizatdinova, R. Zitoun, H. T. Diehl, T. A. Bolton, Y. Pogorelov, C. Biscarat, P. A. Rapidis, A. Jonckheere, S. Dean, Stephan Linn, A. Lobodenko, S. N. Gurzhiev, N. Oshima, A. Boehnlein, J. Ellison, A. K.A. Maciel, M. Ahsan, Sa. Jain, S. Fuess, T. Kurca, Marc Weber, I. Ripp-Baudot, Daniel Bloch, Marcel Vreeswijk, B. Spurlock, Zeno Dixon Greenwood, Marumi Kado, Daria Zieminska, Cristina Galea, T. Edwards, R. D. Schamberger, T. R. Wyatt, Pushpalatha C Bhat, Reiner Hauser, B. Hoeneisen, Lee Sawyer, Viatcheslav Stolin, J. Molina, S.A. Kahn, Lev Uvarov, Carlos Avila, S. Sumowidagdo, M. Demarteau, Carmen García, Sabine Crépé-Renaudin, Sergey Burdin, S. P. Denisov, Sergio F Novaes, Yurii Maravin, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, A. C. Le Bihan, O. V. Eroshin, A. S. Turcot, Phillip Gutierrez, T. Christiansen, H. A. Neal, Jonas Strandberg, N. Parua, D. Meder, J. T. Linnemann, K. Yip, N. Xuan, M. Eads, M. Jaffré, L. Stutte, Gregory J Pawloski, A.S. Dyshkant, Jiri Kvita, S. J. De Jong, B. Kothari, Christos Leonidopoulos, Alexander Kupco, J. Womersley, J. Wittlin, M. Wobisch, A. Pompoš, Stephanie Beauceron, D. Karmanov, Sudhir Malik, Ia Iashvili, Jean-Roch Vlimant, Brajesh C Choudhary, A. A. Shchukin, Randy Ruchti, Frank Fiedler, E. Kajfasz, F. Borcherding, G. Sajot, S. Greder, Emily Nurse, Elizabeth Gallas, Sarah Catherine Eno, Horst Severini, Johannes Elmsheuser, P. Neustroev, Junjie Zhu, R. Jesik, K. A. Johns, P. Verdier, Richard B. Lipton, Kristian Harder, A. Evdokimov, T. Gadfort, R. Hooper, M. A. Strang, M. Petteni, D. Cutts, V. Oguri, A. Koubarovsky, J. Hays, Gustaaf Brooijmans, Wagner Carvalho, J. Warchol, Sascha Caron, A. Jenkins, Greg Landsberg, P. Skubic, M. Strovink, H. Weerts, M. Binder, Pedrame Bargassa, A. Meyer, Lev Dudko, K. Soustruznik, C. Noeding, N. J. Buchanan, Hwi Dong Yoo, S. Sengupta, A. Baden, G. C. Blazey, Y. Yen, R. Yamada, Jean-Francois Grivaz, S. H. Ahn, P. de Jong, P. Jonsson, Thomas Hebbeker, M. Mulders, Mary Beth Adams, Christophe Royon, H. D. Wahl, D. Bauer, F. Badaud, C. Schwanenberger, E. Galyaev, T. Yasuda, M. Lynker, X. F. Song, Dorothee Schaile, M. Hohlfeld, Wendy Taylor, Roger Moore, A. Magerkurth, A. Zatserklyaniy, and B. S. Acharya
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Nuclear and High Energy Physics ,Particle physics ,Top quark ,Tevatron ,Astrophysics::Cosmology and Extragalactic Astrophysics ,01 natural sciences ,7. Clean energy ,Bottom quark ,law.invention ,Standard Model ,Nuclear physics ,law ,0103 physical sciences ,Fermilab ,Nuclear Experiment ,010306 general physics ,Collider ,Physics ,Muon ,Luminosity (scattering theory) ,010308 nuclear & particles physics ,High Energy Physics::Phenomenology ,b-tagging ,Pair production ,Content (measure theory) ,Production (computer science) ,High Energy Physics::Experiment ,Energy (signal processing) ,Lepton - Abstract
We present a measurement of the top quark pair ($t\bar{t}$) production cross section ($\sigma_{t\bar{t}}$) in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV using 230 pb$^{-1}$ of data collected by the D0 experiment at the Fermilab Tevatron Collider. We select events with one charged lepton (electron or muon), missing transverse energy, and jets in the final state. We employ lifetime-based b-jet identification techniques to further enhance the $t\bar{t}$ purity of the selected sample. For a top quark mass of 175 GeV, we measure $\sigma_{t\bar{t}}=8.6^{+1.6}_{-1.5}(stat.+syst.)\pm 0.6(lumi.)$ pb, in agreement with the standard model expectation
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- 2005
33. Search for single top quark production in pp¯ collisions at s=1.96 TeV
- Author
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P. Lebrun, Karel Smolek, H. Dong, Adam L. Lyon, A. Baden, O. Boeriu, Y. Kulik, Christos Leonidopoulos, D. Buchholz, D. K. Cho, A. Stone, G. C. Blazey, Y. Yen, Christophe Royon, Tobias Golling, T. Scanlon, M. Anastasoaie, S. Kermiche, R. Yamada, Jean-Francois Grivaz, S. H. Ahn, P. de Jong, Arnulf Quadt, P. Tamburello, J. Womersley, C. Biscarat, P. A. Rapidis, Suman Bala Beri, Vivian O'Dell, Elemer Nagy, Anna Goussiou, F. Villeneuve-Seguier, A. Jonckheere, S. Dean, J. M. Hauptman, Cecilia Elena Gerber, M. Sosebee, P. Jonsson, Stephan Linn, A. Lobodenko, J. Wittlin, R. K. Shivpuri, N. Oshima, J. Dyer, Gregory R Snow, Kevin Black, A. Juste, H. D. Wahl, Daniel Bloch, Daria Zieminska, G. Ginther, R. D. Schamberger, Jianming Qian, L. Lobo, Lorenzo Feligioni, N. K. Mondal, P. Schieferdecker, H. T. Diehl, T. A. Bolton, D. Bauer, N. Gollub, W. M. Van Leeuwen, Emily Nurse, Elizabeth Gallas, T. Edwards, L. Duflot, Vipin Bhatnagar, Thomas Hebbeker, M. Mulders, M. Wobisch, A. Pompoš, Lev Uvarov, D. R. Claes, Gavin Davies, S. Doulas, Y. Pogorelov, A. Boehnlein, J. Ellison, A. K.A. Maciel, Sa. Jain, S. Fuess, T. Kurca, Marc Weber, A. Lounis, E. De La Cruz-Burelo, Stephanie Beauceron, D. Karmanov, Michael Martens, C. Schwanenberger, Thomas Trefzger, B. Clément, B. Åsman, K. J. Rani, Freya Blekman, R. Kaur, M. C. Cousinou, N. Lahrichi, A. P. Heinson, R. Partridge, X. Zhang, M. A. Strang, M. Merkin, S. W. Youn, E. Von Toerne, P. Demine, Sung Keun Park, Suyong Choi, T. Vu Anh, E. Galyaev, M. Zdrazil, V. A. Bezzubov, Sudhir Malik, G. S. Muanza, A. Meyer, Kaushik De, M. Doidge, Christian Schmitt, S. Nelson, F. Badaud, G. D. Alexeev, Flera Rizatdinova, Marcel Vreeswijk, B. Spurlock, Zeno Dixon Greenwood, T. Adams, Alexandre Zabi, P. Verdier, M. H.G. Souza, J. P. Negret, Cristina Galea, Andrew Brandt, R. Zitoun, D. Coppage, I. Blackler, Armen Vartapetian, Raymond Brock, Boaz Klima, R. Gelhaus, Christian Autermann, B. G. Pope, R. W. Moore, S. N. Fatakia, A. Evdokimov, V. M. Podstavkov, Ia Iashvili, Jean-Roch Vlimant, Brajesh C Choudhary, R. E. Hall, R. P. Smith, Sophie Trincaz-Duvoid, L. Lueking, T. Yasuda, S. Fu, Johannes Elmsheuser, Kirti Ranjan, H.E. Miettinen, Terry Richard Wyatt, P. Neustroev, F. Borcherding, K. Gounder, J. R. Kalk, M. Petteni, R. Bernhard, D. A. Wijngaarden, O. Atramentov, R. Beuselinck, Tae Jeong Kim, Carsten Hensel, Jan Stark, U. Bassler, G. Alkhazov, Henry Lubatti, M. Fortner, V. L. Malyshev, J. Kozminski, Michael Hildreth, Bradley Cox, Wendy Taylor, Pushpalatha C Bhat, D. Kau, Reiner Hauser, S. Reucroft, P.F. Ermolov, K. M. Chan, Christian Zeitnitz, R. Jesik, H. S. Mao, A. Jenkins, S. Robinson, G. Hesketh, M. Cooke, Regina Demina, R. L. McCarthy, Elizaveta Shabalina, J. Cammin, G. Sajot, N. A. Naumann, K. A. Johns, A. Yurkewicz, B. Hoeneisen, Lee Sawyer, A. Harel, C. Han, D. Chakraborty, K. Stevenson, P. J. Van Den Berg, Jessica Levêque, K. Bos, Marc Besancon, J. Temple, Y. Hu, Ph Gris, A. Magerkurth, P. Skubic, P. Houben, S. Uzunyan, T. Moulik, A. Zatserklyaniy, T. Christiansen, W. L. Prado Da Silva, H. A. Neal, D. Meder, J. T. Linnemann, Don Lincoln, Erich Varnes, Alexey Ferapontov, K. Yip, N. Xuan, Y. A. Yatsunenko, B. S. Acharya, P. W. Balm, C. De Oliveira Martins, P. N. Ratoff, Alberto Santoro, S. Greder, J. G.R. Lima, Sarah Catherine Eno, Horst Severini, M. Ahsan, Marvin Johnson, V. I. Rud, S. Söldner-Rembold, B. Davies, M. Buehler, Harrison Prosper, S.A. Kahn, M. Demarteau, T. Gadfort, Carmen García, Frederic Deliot, P. M. Tuts, G. Savage, Julia S. Meyer, Emanuela Barberis, Kazunori Hanagaki, Dongliang Zhang, Emmanuel Busato, Gregorio Bernardi, A. V. Kozelov, D. Denisov, Junjie Zhu, S. Desai, L. Stutte, Gregory J Pawloski, D. Käfer, A. Bellavance, P. Rubinov, A. C. Le Bihan, C. Magass, M. Kopal, Dugan O'Neil, E. G. Zverev, Ariel Schwartzman, N. R. Stanton, T. Toole, Richard B. Lipton, S. Lager, Robert Hirosky, R. Hooper, S. J. Hong, J. Fast, A.S. Dyshkant, Juan Estrada, T. Andeen, M. Lynker, X. F. Song, J. M. Heinmiller, Hal Evans, Thomas Ferbel, Lars Sonnenschein, A. M. Kalinin, A. Patwa, Denis Gelé, N. M. Cason, Sascha Caron, S. Chakrabarti, Peter Love, L. S. Vertogradov, Jiri Kvita, D. Edmunds, H. E. Fisk, Marcia Begalli, Tiefu Zhao, Dorothee Schaile, Jing Li, V. Oguri, A. Koubarovsky, Ashok Kumar, Graham Wilson, H. da Motta, D. Gillberg, A. S. Ito, A. Melnitchouk, Jovan Mitrevski, M. Hohlfeld, K. Genser, Norbert Wermes, Meenakshi Narain, Sherry Towers, Y. Arnoud, Aran Garcia-Bellido, J. P. Konrath, R. J. Madaras, W. D. Shephard, R. McCroskey, Andre Sznajder, S. Uvarov, M. Strovink, Kristian Harder, D. Cutts, Wagner Carvalho, Greg Landsberg, Pedrame Bargassa, G. Gutierrez, Gilvan Alves, Nikola Makovec, Ivor Fleck, B. Quinn, Nikos Varelas, J. Kasper, J. Hays, Ulrike Blumenschein, Gustaaf Brooijmans, K. Soustruznik, Sharon Hagopian, S. Yacoob, P. K. Mal, W. E. Cooper, Raimund Ströhmer, V. Simak, P. Padley, R. F. Rodrigues, V. Hynek, Bing Zhou, E. E. Boos, J. D. Degenhardt, Yuri Gershtein, Emmanuelle Perez, B. Abbott, L. Groer, Karl Jakobs, Makoto Tomoto, Yann Coadou, Chris P. Barnes, Heriberto Castilla-Valdez, P. L.M. Podesta-Lerma, J. Lazoflores, Mitchell Wayne, S. Anderson, H. Schellman, J. M. Kohli, V. V. Lipaev, H. Weerts, A. Kryemadhi, Stephen Wimpenny, M. Binder, M. P. Sanders, Alice Bean, R. Piegaia, L. Christofek, A. A. Mayorov, George Alverson, M. Adams, Andrew White, Tulika Bose, J. Warchol, M. Michaut, Shuichi Kunori, Stefan Grünendahl, Helena Malbouisson, D. Chapin, Martin Grunewald, V. White, Arnaud Duperrin, V. M. Korablev, D. Hedin, Reinhard Schwienhorst, Milos Lokajicek, Lev Dudko, Jean-Laurent Agram, P. Lewis, S. Kesisoglou, V. M. Abazov, P. Mättig, Viacheslav Bunichev, Mossadek Talby, M. Verzocchi, J. Snow, Jong-Sung Yu, B. Gómez, J. Torborg, C. Noeding, N. Oliveira, R. Illingworth, J. N. Butler, P. D. Grannis, Iain Alexander Bertram, S. J. De Jong, Shashikant Dugad, Michael Rijssenbeek, A. Leflat, J. Steele, Darien Wood, Nicholas John Hadley, C. P. Buszello, Hwi Dong Yoo, S. Sengupta, Maria Elena Pol, B. Kothari, Andrei Nomerotski, D. Wicke, Pierre Petroff, John Hobbs, V. N. Evdokimov, I. Ripp-Baudot, I. Hall, A. Chandra, S. Blessing, A. Cothenet, J. Barreto, Jonas Strandberg, N. Parua, H. Kim, Philip Baringer, S. Jabeen, S. Banerjee, Scott Snyder, R. Van Kooten, A. Sanchez-Hernandez, M. Eads, A. A. Shchukin, Frank Fiedler, V. Zutshi, J. Gardner, M. D. Corcoran, E. Kajfasz, M. Jaffré, Q. Z. Li, L. Han, J. Kotcher, Robert Harrington, A. Zieminski, A. Mendes, Zhengguo Zhao, Brigitte Vachon, Harald Fox, D. Shpakov, J. Huang, Alexander Kupco, A. Alton, F. Charles, C. Clément, T. Nunnemann, B. Baldin, Randy Ruchti, Sergio F Novaes, V. Buescher, M. Vaupel, Y. D. Mutaf, I. A. Vasilyev, P. M. Perea, Yurii Maravin, Vladimir Gavrilov, Gordon Watts, V. Sirotenko, O. V. Eroshin, A. S. Turcot, Phillip Gutierrez, R. A. Sidwell, Mansoora Shamim, A. Askew, W. M. Lee, A. Kharchilava, Andre Sopczak, B. Andrieu, S. E.K. Mattingly, Elliott Cheu, Victor Daniel Elvira, V. V. Shary, Vivek Jain, Q. Xu, Paul Telford, Alexander Khanov, N. J. Buchanan, K. W. Merritt, J. F. Bartlett, Robert Kehoe, M. Agelou, A. M. Magnan, M. Yan, S. Burke, Sergey Burdin, S. P. Denisov, A. C.S. Assis Jesus, Guennadi Borissov, W. C. Fisher, Neeti Parashar, M. Abolins, M. Zielinski, S. N. Gurzhiev, Viatcheslav Stolin, J. Molina, Carlos Avila, S. Sumowidagdo, Sabine Crépé-Renaudin, S. Krzywdzinski, F. Lehner, H. Greenlee, D. M. Strom, B. C.K. Casey, A. Bross, Christopher George Tully, Y. M. Kharzheev, Serban Protopopescu, Patrick Slattery, G. J. Otero y Garzón, J. A. Parsons, T. H. Burnett, Ulrich Heintz, Frank Filthaut, M. Diesburg, Andy Haas, D. A. Stoyanova, M. Das, Michael Begel, Eduardo De Moraes Gregores, G. A. Davis, Boris Tuchming, Luiz Mundim, Limin Wang, Marc-Andre Pleier, and Michael A. Strauss
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Physics ,Quark ,Nuclear and High Energy Physics ,Top quark ,Particle physics ,010308 nuclear & particles physics ,High Energy Physics::Phenomenology ,Electroweak interaction ,Tevatron ,Particle accelerator ,01 natural sciences ,law.invention ,Nuclear physics ,Pair production ,law ,0103 physical sciences ,High Energy Physics::Experiment ,Fermilab ,010306 general physics ,Collider - Abstract
We present a search for electroweak production of single top quarks in the s-channel and t-channel using neural networks for signal-background separation. We have analyzed 230 pb(-1) of data collected with the DO detector at the Fermilab Tevatron Collider at a center-of-mass energy of 1.96 TeV and find no evidence for a single top quark signal. The resulting 95% confidence level upper limits on the single top quark production cross sections are 6.4 pb in the s-channel and 5.0 ph in the t-channel. (c) 2005 Elsevier B.V. All rights reserved.
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- 2005
34. Search for 3- and 4-body decays of the scalar top quark in pp- collisions at root s = 1.8 TeV
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N. I. Bojko, D. O'Neil, Andrew White, A. Goussiou, A. Baden, Andrei Nomerotski, G. C. Blazey, John Hobbs, J. N. Butler, P. D. Grannis, J. Barreto, M. Buehler, Alexander Belyaev, S. Chopra, Ariel Schwartzman, Melissa Ridel, R. Kehoe, R. Yamada, Patrick Slattery, A. Khanov, N. Parua, V.V. Abramov, M. Jaffré, M. Abolins, H. L. Melanson, Elemer Nagy, N. R. Stanton, L. Duflot, E. W. Anderson, Arnaud Lucotte, C. Luo, Mary Beth Adams, Alexander Kupco, W. Kahl, S. Youssef, J. M. Hauptman, Cecilia Elena Gerber, Ulrich Heintz, D. Edmunds, James C. Green, N. K. Mondal, R. K. Shivpuri, D. Cutts, H. T. Diehl, T. A. Bolton, N.V. Mokhov, Marvin Johnson, H. Jöstlein, Q. Z. Li, Andre Sznajder, D. R. Claes, Frank Filthaut, Randy Ruchti, V. Zutshi, Wagner Carvalho, N. Sotnikova, R. J. Genik, M. I. Martin, Yuri Gershtein, Greg Landsberg, D. Whiteson, A. Boehnlein, A. V. Kozelov, V. V. Babintsev, David H. Adams, M. Diesburg, G. Ginther, Alice Bean, S. Duensing, Wendy Taylor, A. Patwa, P. Krivkova, D. Hedin, Roger Moore, S. Doulas, Sebastian Grinstein, K. Soustruznik, Shuichi Kunori, A. P. Heinson, A. N. Galyaev, V. Vaniev, L. Babukhadia, D. Shpakov, J. Ellison, A. K.A. Maciel, Sa. Jain, S. Fuess, Jianming Qian, A. Abdesselam, V. A. Bezzubov, S. J. De Jong, A. V. Kostritskiy, Michael A. Strauss, Kaushik De, F. Canelli, Volker Buescher, Vladimir Gavrilov, J. P. Negret, P. Demine, R. P. Smith, Gordon Watts, V. Sirotenko, H. Zheng, T. Nunnemann, B. Baldin, D. Coppage, F. Borcherding, D. K. Cho, Y. Arnoud, G. Sajot, D. A. Stoyanova, A. S. Turcot, B. Kothari, Vipin Bhatnagar, K. Gounder, O. V. Eroshin, Y. Song, G. Briskin, M. Strovink, Michael Shupe, Sissel Hansen, Michael Hildreth, S. M. Tripathi, Y. Kulik, R. E. Hall, P. I. Goncharov, R. Illingworth, L. Lueking, R. Partridge, X. Zhang, W. E. Cooper, J. Estrada, A. Leflat, Jeffrey F. Krane, N. A. Naumann, L. Coney, Suman Bala Beri, S. Baffioni, W. M. Lee, A. Kharchilava, Christos Leonidopoulos, Sarah Catherine Eno, S. N. Ahmed, S. Reucroft, Y. A. Yatsunenko, D. Chakraborty, Stephen Wimpenny, Harrison Prosper, Michael Begel, T. Marshall, Sergey Kuleshov, Christophe Royon, C. Miao, B. Olivier, Victor Daniel Elvira, V. L. Malyshev, B. M. Sabirov, A. Juste, F. Nang, E. Popkov, Richard B. Lipton, J. Womersley, Arnaud Duperrin, Heriberto Castilla-Valdez, S. Desai, V. M. Abazov, H. D. Wahl, D. Bauer, H. S. Mao, D. Fein, B. Connolly, Richard Breedon, M. Zanabria, Winston Ko, Pushpalatha C Bhat, U. Bassler, Jong-Sung Yu, V. Simak, C. Han, Don Lincoln, P. W. Balm, P. Padley, S. Tentindo-Repond, D. Karmanov, Alexey Volkov, A. Stone, Daniel John Karmgard, T. Rockwell, Iain Alexander Bertram, Michael Rijssenbeek, C. Hebert, M. Merkin, D. A. Wijngaarden, T. Yasuda, Mitchell Wayne, H. Schellman, J. M. Kohli, Ia Iashvili, T. C. Bacon, D. Mihalcea, E. Kajfasz, K. Bos, Zeno Dixon Greenwood, Stefan Grünendahl, Alberto Santoro, Philip Baringer, Raymond Brock, V. N. Evdokimov, M. A.C. Cummings, Boaz Klima, Bobby Samir Acharya, H. A. Neal, Jing Li, S. Banerjee, Mossadek Talby, B. Gómez, R. Beuselinck, D. Casey, J. T. Linnemann, V. Sorín, P. M. Tuts, V. E. Kuznetsov, P. Rubinov, K. Yip, S. Krzywdzinski, J. Kotcher, Shashikant Dugad, Harald Fox, D. P. Stoker, B. G. Pope, S. Willis, L. Stutte, A.S. Dyshkant, B. Hoeneisen, Lee Sawyer, N. Graf, Y. D. Mutaf, Robert Hirosky, H. E. Fisk, A. Zylberstejn, F. Fleuret, Elizaveta Shabalina, A. M. Kalinin, F. Lehner, H. Greenlee, Z. Zhou, J. Solomon, R. Demina, A. Bross, O. Peters, G. A. Davis, Elizabeth Gallas, T. McMahon, Serban Protopopescu, G. Gutierrez, Gilvan Alves, V. S. Narasimham, L. Groer, A. A. Mayorov, J. Snow, M. Gao, J. T. Eltzroth, S.A. Kahn, R. Jesik, K. A. Johns, M. Demarteau, G. Bernardi, V. Oguri, Gustaaf Brooijmans, J. Warchol, P. Yamin, G. D. Alexeev, Flera Rizatdinova, P. A. Rapidis, A. Jonckheere, A. P. Vorobiev, Stephan Linn, M. Sosebee, N. Oshima, Daria Zieminska, R. D. Schamberger, M. A. Kubantsev, Freya Blekman, Andrew Brandt, R. Engelmann, E. A. Kozlovsky, H.E. Miettinen, E. G. Zverev, Meenakshi Narain, G. Eppley, H. da Motta, J. G.R. Lima, S. N. Gurzhiev, A. S. Ito, Viatcheslav Stolin, C. Lundstedt, Carlos Avila, Sabine Crépé-Renaudin, Neeti Parashar, R. L. McCarthy, M. Zielinski, Suyong Choi, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, M. H.G. Souza, H. E. Montgomery, R. Van Kooten, A. Besson, P.F. Ermolov, A. Zieminski, V. S. Burtovoi, R. A. Sidwell, R. J. Madaras, D. Buchholz, Florian Beaudette, J. Huang, Gregory R Snow, G. Steinbrück, K. Genser, M. B. Przybycien, Rajendran Raja, Phillip Gutierrez, M. A. Strang, Emanuela Barberis, Vasken Hagopian, H. Weerts, Z. M. Wang, Brad Abbott, Lev Dudko, F. Villeneuve-Seguier, Tulika Bose, Pierre Petroff, H. Haggerty, M. Fortner, N. W. Reay, S. Fu, Q. Xu, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, M. Bhattacharjee, T. G. Trippe, Howard Gordon, Yu-tin Huang, Nikos Varelas, Bing Zhou, Sharon Hagopian, K. Papageorgiou, S. P. Denisov, M. R. Krishnaswamy, R. Piegaia, A. R. Clark, A. Alton, Sergey Chekulaev, K. M. Chan, K. W. Merritt, J. F. Bartlett, V. Manankov, and D0 (Tevatron, IHEF, IOP, FNWI)
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Quark ,Physics ,Particle physics ,Top quark ,Nuclear and High Energy Physics ,Muon ,010308 nuclear & particles physics ,Scalar (mathematics) ,High Energy Physics::Phenomenology ,01 natural sciences ,Lightest Supersymmetric Particle ,Nuclear physics ,0103 physical sciences ,Neutralino ,High Energy Physics::Experiment ,Fermilab ,010306 general physics ,Minimal Supersymmetric Standard Model - Abstract
We have searched for the signature of 3- and 4-body decays of pair-produced scalar top quarks (stop) in the inclusive final state containing an electron, a muon, and significant missing transverse energy using a sample of p p events corresponding to 108.3 pb−1 of data collected with the DO detector at Fermilab. The search is done in the framework of the minimal supersymmetric standard model assuming that the neutralino ( χ 0 1 ) is the lightest supersymmetric particle and is stable. No evidence for a signal is found and we derive cross-section upper limits as a function of stop (t) and neutralino masses in different decay scenarios leading to the blν χ 0 1 final state.
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- 2004
35. Hard single diffraction in p̄p collisions at s=630 and 1800 GeV
- Author
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A. N. Galyaev, D. K. Cho, Y. Arnoud, M. Merkin, R. Illingworth, Raymond Brock, Boaz Klima, R. Beuselinck, S. Willis, W. E. Cooper, S. Duensing, G. Eppley, Arnaud Duperrin, M. A. Strang, S. J. De Jong, Jong-Sung Yu, C. S. Mishra, S. Fu, B. Kothari, N.V. Mokhov, H. da Motta, J. G.R. Lima, M. Sosebee, V. M. Abazov, M. I. Martin, K. W. Merritt, Elemer Nagy, Vasken Hagopian, L. Lueking, H. Weerts, W. Kahl, Andrew White, J. F. Bartlett, A. P. Heinson, V. Manankov, E. W. Anderson, Q. Xu, Lev Dudko, T. G. Trippe, A. S. Ito, P. Pétroff, E. Kajfasz, E. Popkov, R. E. Hall, B. Pawlik, Q. Z. Li, Sharon Hagopian, K. Papageorgiou, Wendy Taylor, T. Rockwell, Iain Alexander Bertram, N. Parua, A. Goussiou, Roger Moore, S. Fuess, Michael Rijssenbeek, D. Mihalcea, D. Casey, S. Krzywdzinski, Sebastian Grinstein, B. Olivier, Neeti Parashar, J. Kotcher, A. Patwa, Anurag Gupta, R. Van Kooten, Z. M. Wang, L. Babukhadia, Vladimir Gavrilov, R. Piegaia, V. Oguri, Gordon Watts, R. Snihur, P. M. Tuts, V. E. Kuznetsov, Harald Fox, A. Zylberstejn, Shuichi Kunori, N. Graf, R. W. Stephens, Robert Hirosky, A. V. Kostritskiy, V. Sirotenko, Andrew Brandt, A. Abdesselam, A. M. Kalinin, H. E. Fisk, L. J. Pan, Z. Zhou, J. Solomon, Vipin Bhatnagar, K. Gounder, A. Alton, Andrei Nomerotski, John Hobbs, F. Lehner, H. Greenlee, V. N. Evdokimov, Gustaaf Brooijmans, B. M. Sabirov, O. V. Eroshin, Y. Song, Phillip Gutierrez, A. Bross, Sissel Hansen, T. Nunnemann, B. Baldin, E. A. Kozlovsky, H.E. Miettinen, D. Edmunds, D. Bauer, V. Vaniev, Howard Gordon, K. C. Frame, Chris Hays, M. Zielinski, R. Partridge, X. Zhang, J. Barreto, A. Khanov, R. Demina, A. Zieminski, G. A. Davis, L. Coney, G. Gutierrez, V. A. Bezzubov, V.V. Abramov, N. Sen, R. Gilmartin, Serban Protopopescu, A. Besson, J. P. Negret, Y. Ducros, V. L. Malyshev, Gilvan Alves, Heriberto Castilla-Valdez, R. L. McCarthy, J. Warchol, Andre Sznajder, R. P. Smith, M. Gao, M. Bhattacharjee, H. S. Mao, S. P. Denisov, W. M. Lee, A. Kharchilava, B. G. Pope, P. Demine, V. S. Narasimham, L. Groer, Yuri Gershtein, J. M. Hauptman, Cecilia Elena Gerber, Arnaud Lucotte, Michael Shupe, Michael Hildreth, K. M. Chan, Dhiman Chakraborty, T. Fahland, H. Zheng, S. N. Gurzhiev, M. R. Krishnaswamy, D. Fein, V. Simak, Alexander Kupco, J. Estrada, Sergey Kuleshov, E. G. Zverev, V. V. Babintsev, D. Coppage, B. Abbott, G. Ginther, A. A. Mayorov, Don Lincoln, P. Padley, V. Zutshi, Alexey Volkov, Y. A. Yatsunenko, P. Krivkova, A. R. Clark, N. Sotnikova, Jianming Qian, P. W. Balm, A. Stone, Daniel John Karmgard, A. V. Kotwal, Harrison Prosper, M. Roco, R. J. Genik, Elizabeth Gallas, T. McMahon, Randy Ruchti, Mitchell Wayne, H. Schellman, J. M. Kohli, Victor Daniel Elvira, Sergey Chekulaev, J. Snow, C. Hebert, G. Briskin, H. L. Melanson, N. A. Naumann, Stefan Grünendahl, R. A. Sidwell, E. Flattum, Christophe Royon, Jeffrey F. Krane, Viatcheslav Stolin, N. I. Bojko, Mossadek Talby, B. Gómez, Ulrich Heintz, Marc M Baarmand, S. Reucroft, J. H. Christenson, Meenakshi Narain, D. O'Neil, S. Chopra, H. D. Wahl, Elizaveta Shabalina, Shashikant Dugad, C. Lundstedt, M. Strovink, David H. Adams, M. Zanabria, Winston Ko, Carlos Avila, Jing Li, Michael A. Strauss, Alice Bean, Sabine Crépé-Renaudin, H. Jöstlein, M. Jaffré, Ariel Schwartzman, E. Smith, U. Bassler, F. Blekman, Suyong Choi, O. Peters, F. Canelli, Volker Buescher, J. T. Eltzroth, Melissa Ridel, R. Kehoe, J. T. White, G. Steinbrück, J. N. Butler, P. D. Grannis, R. Jesik, Laurent Duflot, T. Yasuda, Frank Filthaut, D. Hedin, Rajendran Raja, K. A. Johns, Alberto Santoro, Seong Keun Kim, M. Diesburg, A. Leflat, S. Youssef, P. Rubinov, Gregorio Bernardi, Suman Bala Beri, D. Denisov, J. M. Heinmiller, Srinivasan Rajagopalan, D. Shpakov, A. Juste, Bobby Samir Acharya, H. A. Neal, S. Tentindo-Repond, Hal Evans, Thomas Ferbel, T. C. Bacon, J. T. Linnemann, V. Sorín, B. Connolly, K. Yip, Richard Breedon, D. P. Stoker, L. Stutte, A.S. Dyshkant, Alexander Belyaev, Philip Baringer, Patrick Slattery, D. A. Stoyanova, A. S. Turcot, S. Banerjee, Zeno Dixon Greenwood, D. A. Wijngaarden, Michael Begel, K. Bos, K. Genser, M. Buehler, M. Chung, R. D. Schamberger, Y. Fisyak, N. R. Stanton, Christos Leonidopoulos, J. Womersley, Marvin Johnson, M. Abolins, D. Karmanov, Z. Casilum, Ia Iashvili, A. V. Kozelov, N. K. Mondal, H. T. Diehl, T. A. Bolton, H. Singh, D. Whiteson, A. Boehnlein, J. Ellison, A. K.A. Maciel, Sa. Jain, P. I. Goncharov, C. Miao, Pushpalatha C Bhat, M. H.G. Souza, H. E. Montgomery, M. A.C. Cummings, B. Hoeneisen, D. Buchholz, Lee Sawyer, Gregory R Snow, P.F. Ermolov, B. Knuteson, V. S. Burtovoi, R. J. Madaras, Haiyan Wang, S.A. Kahn, M. Demarteau, F. Borcherding, S. Desai, G. Sajot, E. J. Ramberg, P. Yamin, G. D. Alexeev, Flera Rizatdinova, Miguel Mostafa, Sarah Catherine Eno, P. A. Rapidis, François Fleuret, F. Nang, A. Jonckheere, A. P. Vorobiev, Richard B. Lipton, F. Villeneuve-Seguier, Stephan Linn, A. Baden, N. Oshima, Daria Zieminska, G. C. Blazey, M. A. Kubantsev, Stephen Wimpenny, T. Marshall, R. Yamada, Darien Wood, Nicholas John Hadley, S. Blessing, Scott Snyder, R. K. Shivpuri, John Rutherfoord, D. R. Claes, C. Luo, Mary Beth Adams, S. Doulas, James C. Green, Kaushik De, Emanuela Barberis, D. Cutts, Wagner Carvalho, Greg Landsberg, L. T. Goss, Charles Leggett, Y. Kulik, M. Paterno, K. Soustruznik, Tulika Bose, H. Haggerty, F. Beaudette, M. B. Przybycien, S. M. Tripathi, R. Engelmann, S. N. Ahmed, M. Fortner, N. W. Reay, Y. D. Mutaf, Yu-tin Huang, Nikos Varelas, Bing Zhou, and L. S. Vertogradov
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Diffraction ,Physics ,Particle physics ,Nuclear and High Energy Physics ,010308 nuclear & particles physics ,Detector ,Empty set ,HERA ,Jet (particle physics) ,01 natural sciences ,Nuclear physics ,Pomeron ,0103 physical sciences ,Momentum loss ,Rapidity ,High Energy Physics::Experiment ,010306 general physics - Abstract
Using the D empty set detector, we have studied events produced in (p) over barp collisions that contain large forward regions with very little energy deposition ("rapidity gaps") and concurrent jet production at center-of-mass energies of roots = 630 and 1800 GeV. The fraction of events with forward or central jets associated with rapidity gaps is compared to predictions for hard diffraction. We also extract the momentum loss for scattered protons in such processes. (C) 2002 Elsevier Science B.V. All rights reserved.
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- 2002
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36. The inclusive jet cross section in p collisions at =1.8 TeV using the k⊥ algorithm
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V.M Abazov, B Abbott, A Abdesselam, M Abolins, V Abramov, B.S Acharya, D.L Adams, M Adams, S.N Ahmed, G.D Alexeev, A Alton, G.A Alves, N Amos, E.W Anderson, Y Arnoud, C Avila, M.M Baarmand, V.V Babintsev, L Babukhadia, T.C Bacon, A Baden, B Baldin, P.W Balm, S Banerjee, E Barberis, P Baringer, J Barreto, J.F Bartlett, U Bassler, D Bauer, A Bean, F Beaudette, M Begel, A Belyaev, S.B Beri, G Bernardi, I Bertram, A Besson, R Beuselinck, V.A Bezzubov, P.C Bhat, V Bhatnagar, M Bhattacharjee, G Blazey, F Blekman, S Blessing, A Boehnlein, N.I Bojko, F Borcherding, K Bos, T Bose, A Brandt, R Breedon, G Briskin, R Brock, G Brooijmans, A Bross, D Buchholz, M Buehler, V Buescher, V.S Burtovoi, J.M Butler, F Canelli, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, K.M Chan, S.V Chekulaev, D.K Cho, S Choi, S Chopra, J.H Christenson, M Chung, D Claes, A.R Clark, L Coney, B Connolly, W.E Cooper, D Coppage, S Crépé-Renaudin, M.A.C Cummings, D Cutts, G.A Davis, K Davis, K De, S.J de Jong, K Del Signore, M Demarteau, R Demina, P Demine, D Denisov, S.P Denisov, S Desai, H.T Diehl, M Diesburg, S Doulas, Y Ducros, L.V Dudko, S Duensing, L Duflot, S.R Dugad, A Duperrin, A Dyshkant, D Edmunds, J Ellison, J.T Eltzroth, V.D Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, O.V Eroshin, J Estrada, H Evans, V.N Evdokimov, T Fahland, S Feher, D Fein, T Ferbel, F Filthaut, H.E Fisk, Y Fisyak, E Flattum, F Fleuret, M Fortner, H Fox, K.C Frame, S Fu, S Fuess, E Gallas, A.N Galyaev, M Gao, V Gavrilov, R.J Genik, K Genser, C.E Gerber, Y Gershtein, R Gilmartin, G Ginther, B Gómez, G Gómez, P.I Goncharov, J.L González Solı́s, H Gordon, L.T Goss, K Gounder, A Goussiou, N Graf, G Graham, P.D Grannis, J.A Green, H Greenlee, Z.D Greenwood, S Grinstein, L Groer, S Grünendahl, A Gupta, S.N Gurzhiev, G Gutierrez, P Gutierrez, N.J Hadley, H Haggerty, S Hagopian, V Hagopian, R.E Hall, P Hanlet, S Hansen, J.M Hauptman, C Hays, C Hebert, D Hedin, J.M Heinmiller, A.P Heinson, U Heintz, M.D Hildreth, R Hirosky, J.D Hobbs, B Hoeneisen, Y Huang, I Iashvili, R Illingworth, A.S Ito, M Jaffré, S Jain, R Jesik, K Johns, M Johnson, A Jonckheere, H Jöstlein, A Juste, W Kahl, S Kahn, E Kajfasz, A.M Kalinin, D Karmanov, D Karmgard, R Kehoe, A Khanov, A Kharchilava, S.K Kim, B Klima, B Knuteson, W Ko, J.M Kohli, A.V Kostritskiy, J Kotcher, B Kothari, A.V Kotwal, A.V Kozelov, E.A Kozlovsky, J Krane, M.R Krishnaswamy, P Krivkova, S Krzywdzinski, M Kubantsev, S Kuleshov, Y Kulik, S Kunori, A Kupco, V.E Kuznetsov, G Landsberg, W.M Lee, A Leflat, C Leggett, F Lehner, C Leonidopoulos, J Li, Q.Z Li, X Li, J.G.R Lima, D Lincoln, S.L Linn, J Linnemann, R Lipton, A Lucotte, L Lueking, C Lundstedt, C Luo, A.K.A Maciel, R.J Madaras, V.L Malyshev, V Manankov, H.S Mao, T Marshall, M.I Martin, K.M Mauritz, A.A Mayorov, R McCarthy, T McMahon, H.L Melanson, M Merkin, K.W Merritt, C Miao, H Miettinen, D Mihalcea, C.S Mishra, N Mokhov, N.K Mondal, H.E Montgomery, R.W Moore, M Mostafa, H da Motta, E Nagy, F Nang, M Narain, V.S Narasimham, N.A Naumann, H.A Neal, J.P Negret, S Negroni, T Nunnemann, D O'Neil, V Oguri, B Olivier, N Oshima, P Padley, L.J Pan, K Papageorgiou, A Para, N Parashar, R Partridge, N Parua, M Paterno, A Patwa, B Pawlik, J Perkins, O Peters, P Pétroff, R Piegaia, B.G Pope, E Popkov, H.B Prosper, S Protopopescu, M.B Przybycien, J Qian, R Raja, S Rajagopalan, E Ramberg, P.A Rapidis, N.W Reay, S Reucroft, M Ridel, M Rijssenbeek, F Rizatdinova, T Rockwell, M Roco, C Royon, P Rubinov, R Ruchti, J Rutherfoord, B.M Sabirov, G Sajot, A Santoro, L Sawyer, R.D Schamberger, H Schellman, A Schwartzman, N Sen, E Shabalina, R.K Shivpuri, D Shpakov, M Shupe, R.A Sidwell, V Simak, H Singh, J.B Singh, V Sirotenko, P Slattery, E Smith, R.P Smith, R Snihur, G.R Snow, J Snow, S Snyder, J Solomon, Y Song, V Sorı́n, M Sosebee, N Sotnikova, K Soustruznik, M Souza, N.R Stanton, G Steinbrück, R.W Stephens, F Stichelbaut, D Stoker, V Stolin, A Stone, D.A Stoyanova, M.A Strang, M Strauss, M Strovink, L Stutte, A Sznajder, M Talby, W Taylor, S Tentindo-Repond, S.M Tripathi, T.G Trippe, A.S Turcot, P.M Tuts, V Vaniev, R Van Kooten, N Varelas, L.S Vertogradov, F Villeneuve-Seguier, A.A Volkov, A.P Vorobiev, H.D Wahl, H Wang, Z.-M Wang, J Warchol, G Watts, M Wayne, H Weerts, A White, J.T White, D Whiteson, D.A Wijngaarden, S Willis, S.J Wimpenny, J Womersley, D.R Wood, Q Xu, R Yamada, P Yamin, T Yasuda, Y.A Yatsunenko, K Yip, S Youssef, J Yu, Z Yu, M Zanabria, X Zhang, H Zheng, B Zhou, Z Zhou, M Zielinski, D Zieminska, A Zieminski, V Zutshi, E.G Zverev, and A Zylberstejn
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Physics ,Quantum chromodynamics ,Nuclear and High Energy Physics ,Particle physics ,010308 nuclear & particles physics ,Tevatron ,Jet (particle physics) ,7. Clean energy ,01 natural sciences ,law.invention ,Cross section (physics) ,law ,Pseudorapidity ,0103 physical sciences ,Transverse momentum ,High Energy Physics::Experiment ,Fermilab ,010306 general physics ,Collider ,Algorithm - Abstract
The central inclusive jet cross section has been measured using a successive-combination algorithm for reconstruction of jets. The measurement uses 87.3 pb^{-1} of data collected with the D0 detector at the Fermilab Tevatron ppbar Collider during 1994-1995. The cross section, reported as a function of transverse momentum (pT>60 GeV) in the central region of pseudorapidity (|\eta
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- 2002
37. Application of State Quantization-Based Methods in HEP Particle Transport Simulation
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Lucio Santi, Soon Yung Jun, D. Elvira, K. Genser, Nicolas Ponieman, and Rodrigo Castro
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History ,Numerical analysis ,purl.org/becyt/ford/1.2 [https] ,Solver ,Qss ,Topology ,Particle transport ,Hep ,Charged particle ,Ciencias de la Computación ,Computer Science Applications ,Education ,purl.org/becyt/ford/1 [https] ,Quantization (physics) ,Classical mechanics ,Ciencias de la Computación e Información ,Devs ,Performance comparison ,3d geometry ,CIENCIAS NATURALES Y EXACTAS ,Simulation ,Mathematics ,Step method - Abstract
Simulation of particle-matter interactions in complex geometries is one of the main tasks in high energy physics (HEP) research. An essential aspect of it is an accurate and efficient particle transportation in a non-uniform magnetic field, which includes the handling of volume crossings within a predefined 3D geometry. Quantized State Systems (QSS) is a family of numerical methods that provides attractive features for particle transportation processes, such as dense output (sequences of polynomial segments changing only according to accuracy-driven discrete events) and lightweight detection and handling of volume crossings (based on simple root-finding of polynomial functions). In this work we present a proof-of-concept performance comparison between a QSS-based standalone numerical solver and an application based on the Geant4 simulation toolkit, with its default Runge-Kutta based adaptive step method. In a case study with a charged particle circulating in a vacuum (with interactions with matter turned off), in a uniform magnetic field, and crossing up to 200 volume boundaries twice per turn, simulation results showed speedups of up to 6 times in favor of QSS while it being 10 times slower in the case with zero volume boundaries. Fil: Santi, Lucio Emilio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Investigación En Ciencias de la Computación. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Investigación En Ciencias de la Computacion; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Computación; Argentina Fil: Ponieman, Nicolás. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Computación; Argentina Fil: Jun, Soon Yung. Fermi National Accelerator Laboratory; Estados Unidos Fil: Genser, Krzysztof. Fermi National Accelerator Laboratory; Estados Unidos Fil: Elvira, Daniel. Fermi National Accelerator Laboratory; Estados Unidos Fil: Castro, Rodrigo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Investigación En Ciencias de la Computación. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Investigación En Ciencias de la Computacion; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Computación; Argentina
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- 2017
38. Search for a Standard Model Higgs Boson in WH --> l nu bb-bar in p anti-p Collisions at s**(1/2) =1.96 TeV
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T. Aaltonen, J. Adelman, T. Akimoto, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanskas, A. Attal, A. Aurisano, F. Azfar, P. Azzurri, W. Badgett, A. Barbaro Galtieri, V. E. Barnes, B. A. Barnett, V. Bartsch, G. Bauer, P. H. Beauchemin, F. Bedeschi, D. Beecher, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretvas, J. Beringer, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, A. Bridgeman, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, S. Burke, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, C. Calancha, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, B. Carls, D. Carlsmith, R. Carosi, S. Carrillo, S. Carron, B. Casal, M. Casarsa, P. Catastini, D. Cauz, V. Cavaliere, M. Cavalli Sforza, A. Cerri, L. Cerrito, S. H. Chang, Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze, F. Chlebana, K. Cho, D. Chokheli, J. P. Chou, G. Choudalakis, S. H. Chuang, K. Chung, W. H. Chung, Y. S. Chung, T. Chwalek, C. I. Ciobanu, M. A. Ciocci, A. Clark, D. Clark, G. Compostella, M. E. Convery, J. Conway, M. Cordelli, G. Cortiana, C. A. Cox, D. J. Cox, F. Crescioli, C. Cuenca Almenar, J. Cuevas, R. Culbertson, J. C. Cully, D. Dagenhart, M. Datta, T. Davies, P. de Barbaro, S. De Cecco, A. Deisher, G. De Lorenzo, M. Dell’Orso, C. Deluca, L. Demortier, J. Deng, P. F. Derwent, G. P. di Giovanni, C. Dionisi, B. Di Ruzza, J. R. Dittmann, M. D’Onofrio, S. Donati, P. Dong, J. Donini, T. Dorigo, S. Dube, J. Efron, A. Elagin, R. Erbacher, D. Errede, S. Errede, R. Eusebi, H. C. Fang, S. Farrington, W. T. Fedorko, R. G. Feild, M. Feindt, J. P. Fernandez, C. Ferrazza, R. Field, G. Flanagan, R. Forrest, M. J. Frank, M. Franklin, J. C. Freeman, I. Furic, M. Gallinaro, J. Galyardt, F. Garberson, J. E. Garcia, A. F. Garfinkel, K. Genser, H. Gerberich, D. Gerdes, A. Gessler, S. Giagu, V. Giakoumopoulou, P. Giannetti, K. Gibson, J. L. Gimmell, C. M. Ginsburg, N. Giokaris, M. Giordani, P. Giromini, M. Giunta, G. Giurgiu, V. Glagolev, D. Glenzinski, M. Gold, N. Goldschmidt, A. Golossanov, G. Gomez, G. Gomez Ceballos, M. Goncharov, O. González, I. Gorelov, A. T. Goshaw, K. Goulianos, A. Gresele, S. Grinstein, C. Grosso Pilcher, R. C. Group, U. Grundler, J. Guimaraes da Costa, Z. Gunay Unalan, C. Haber, K. Hahn, S. R. Hahn, E. Halkiadakis, B. Y. Han, J. Y. Han, F. Happacher, K. Hara, D. Hare, M. Hare, S. Harper, R. F. Harr, R. M. Harris, M. Hartz, K. Hatakeyama, C. Hays, M. Heck, A. Heijboer, J. Heinrich, C. Henderson, M. Herndon, J. Heuser, S. Hewamanage, D. Hidas, C. S. Hill, D. Hirschbuehl, A. Hocker, S. Hou, M. Houlden, S. C. Hsu, B. T. Huffman, R. E. Hughes, U. Husemann, M. Hussein, J. Huston, J. Incandela, G. Introzzi, M. Iori, A. Ivanov, E. James, B. Jayatilaka, E. J. Jeon, M. K. Jha, S. Jindariani, W. Johnson, M. Jones, K. K. Joo, S. Y. Jun, J. E. Jung, T. R. Junk, T. Kamon, D. Kar, P. E. Karchin, Y. Kato, R. Kephart, J. Keung, V. Khotilovich, B. Kilminster, D. H. Kim, H. S. Kim, H. W. Kim, J. E. Kim, M. J. Kim, S. B. Kim, S. H. Kim, Y. K. Kim, N. Kimura, L. Kirsch, S. Klimenko, B. Knuteson, B. R. Ko, K. Kondo, D. J. Kong, J. Konigsberg, A. Korytov, A. V. Kotwal, M. Kreps, J. Kroll, D. Krop, N. Krumnack, M. Kruse, V. Krutelyov, T. Kubo, T. Kuhr, N. P. Kulkarni, M. Kurata, S. Kwang, A. T. Laasanen, S. Lami, S. Lammel, M. Lancaster, R. L. Lander, K. Lannon, A. Lath, G. Latino, I. Lazzizzera, T. LeCompte, E. Lee, H. S. Lee, S. W. Lee, S. Leone, J. D. Lewis, C. S. Lin, J. Linacre, M. Lindgren, E. Lipeles, A. Lister, D. O. Litvintsev, C. Liu, T. Liu, N. S. Lockyer, A. Loginov, M. Loreti, L. Lovas, D. Lucchesi, C. Luci, J. Lueck, P. Lujan, P. Lukens, G. Lungu, L. Lyons, J. Lys, R. Lysak, D. MacQueen, R. Madrak, K. Maeshima, K. Makhoul, T. Maki, P. Maksimovic, S. Malde, S. Malik, G. Manca, A. Manousakis Katsikakis, F. Margaroli, C. Marino, C. P. Marino, A. Martin, V. Martin, M. Martínez, R. Martínez Ballarín, T. Maruyama, P. Mastrandrea, T. Masubuchi, M. Mathis, M. E. Mattson, P. Mazzanti, K. S. McFarland, P. McIntyre, R. McNulty, A. Mehta, P. Mehtala, A. Menzione, P. Merkel, C. Mesropian, T. Miao, N. Miladinovic, R. Miller, C. Mills, M. Milnik, A. Mitra, G. Mitselmakher, H. Miyake, C. S. Moon, R. Moore, M. J. Morello, J. Morlock, P. Movilla Fernandez, J. Mülmenstädt, A. Mukherjee, T.h. Muller, R. Mumford, P. Murat, M. Mussini, J. Nachtman, Y. Nagai, A. Nagano, J. Naganoma, K. Nakamura, I. Nakano, A. Napier, V. Necula, J. Nett, C. Neu, M. S. Neubauer, S. Neubauer, J. Nielsen, L. Nodulman, M. Norman, O. Norniella, E. Nurse, L. Oakes, S. H. Oh, Y. D. Oh, I. Oksuzian, T. Okusawa, R. Orava, K. Osterberg, S. Pagan Griso, E. Palencia, V. Papadimitriou, A. Papaikonomou, A. A. Paramonov, B. Parks, S. Pashapour, J. Patrick, G. Pauletta, M. Paulini, C. Paus, T. 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Wicklund, S. Wilbur, G. Williams, H. H. Williams, P. Wilson, B. L. Winer, P. Wittich, S. Wolbers, C. Wolfe, T. Wright, X. Wu, F. Würthwein, S. Xie, A. Yagil, K. Yamamoto, J. Yamaoka, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, X. Zhang, Y. Zheng, CASTRO, ANDREA, DENINNO, MARIA MADDALENA, MOGGI, NICCOLO', RIMONDI, FRANCO, ZUCCHELLI, STEFANO, T. Aaltonen, J. Adelman, T. Akimoto, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Anto, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanska, A. Attal, A. Aurisano, F. Azfar, P. Azzurri, W. Badgett, A. Barbaro-Galtieri, V. E. Barne, B. A. Barnett, V. Bartsch, G. Bauer, P.-H. Beauchemin, F. Bedeschi, D. Beecher, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretva, J. Beringer, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, D. 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F. Derwent, G. P. di Giovanni, C. Dionisi, B. Di Ruzza, J. R. Dittmann, M. D’Onofrio, S. Donati, P. Dong, J. Donini, T. Dorigo, S. Dube, J. Efron, A. Elagin, R. Erbacher, D. Errede, S. Errede, R. Eusebi, H. C. Fang, S. Farrington, W. T. Fedorko, R. G. Feild, M. Feindt, J. P. Fernandez, C. Ferrazza, R. Field, G. Flanagan, R. Forrest, M. J. Frank, M. Franklin, J. C. Freeman, I. Furic, M. Gallinaro, J. Galyardt, F. Garberson, J. E. Garcia, A. F. Garfinkel, K. Genser, H. Gerberich, D. Gerde, A. Gessler, S. Giagu, V. Giakoumopoulou, P. Giannetti, K. Gibson, J. L. Gimmell, C. M. Ginsburg, N. Giokari, M. Giordani, P. Giromini, M. Giunta, G. Giurgiu, V. Glagolev, D. Glenzinski, M. Gold, N. Goldschmidt, A. Golossanov, G. Gomez, G. Gomez-Ceballo, M. Goncharov, O. González, I. Gorelov, A. T. Goshaw, K. Gouliano, A. Gresele, S. Grinstein, C. Grosso-Pilcher, R. C. Group, U. Grundler, J. Guimaraes da Costa, Z. Gunay-Unalan, C. Haber, K. Hahn, S. R. Hahn, E. Halkiadaki, B.-Y. Han, J. Y. Han, F. 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Trovato, S.-Y. Tsai, Y. Tu, N. Turini, F. Ukegawa, S. Vallecorsa, N. van Remortel, A. Varganov, E. Vataga, F. Vázquez, G. Velev, C. Vellidi, M. Vidal, R. Vidal, I. Vila, R. Vilar, T. Vine, M. Vogel, I. Volobouev, G. Volpi, P. Wagner, R. G. Wagner, R. L. Wagner, W. Wagner, J. Wagner-Kuhr, T. Wakisaka, R. Wallny, S. M. Wang, A. Warburton, D. Water, M. Weinberger, J. Weinelt, W. C. Wester III, B. Whitehouse, D. Whiteson, A. B. Wicklund, E. Wicklund, S. Wilbur, G. William, H. H. William, P. Wilson, B. L. Winer, P. Wittich, S. Wolber, C. Wolfe, T. Wright, X. Wu, F. Würthwein, S. Xie, A. Yagil, K. Yamamoto, J. Yamaoka, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, X. Zhang, Y. Zheng, and and S. Zucchelli
- Subjects
HIGGS BOSON ,Astrophysics::High Energy Astrophysical Phenomena ,High Energy Physics::Phenomenology ,CDF ,High Energy Physics::Experiment - Abstract
We present a search for a standard model Higgs boson produced in association with a W boson using 2.7 fb-1 of integrated luminosity of p anti-p collision data taken at s**(1/2) =1.96 TeV. Limits on the Higgs boson production rate are obtained for masses between 100 GeV/c2 and 150 GeV/c2. Through the use of multivariate techniques, the analysis achieves an observed (expected) 95% confidence level upper limit of 5.6 (4.8) times the theoretically expected production cross section for a standard model Higgs boson with a mass of 115 GeV/c2.
- Published
- 2009
39. Observation of the Omega_b and Measurement of the Properties of the Xi-_b and Omega-_b Baryons
- Author
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T. Aaltonen, J. Adelman, T. Akimoto, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanskas, A. Attal, A. Aurisano, F. Azfar, W. Badgett, A. Barbaro Galtieri, V. E. Barnes, B. A. Barnett, P. Barria, V. Bartsch, G. Bauer, P. H. Beauchemin, F. Bedeschi, D. Beecher, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretvas, J. Beringer, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, A. Bridgeman, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, S. Burke, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, C. Calancha, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, B. Carls, D. Carlsmith, R. Carosi, S. Carrillo, S. Carron, B. Casal, M. Casarsa, P. Catastini, D. Cauz, V. Cavaliere, M. Cavalli Sforza, A. Cerri, L. Cerrito, S. H. Chang, Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze, F. Chlebana, K. Cho, D. Chokheli, J. P. Chou, G. Choudalakis, S. H. Chuang, K. Chung, W. H. Chung, Y. S. Chung, T. Chwalek, C. I. Ciobanu, M. A. Ciocci, A. Clark, D. Clark, G. Compostella, M. E. Convery, J. Conway, M. Cordelli, G. Cortiana, C. A. Cox, D. J. Cox, F. Crescioli, C. Cuenca Almenar, J. Cuevas, R. Culbertson, J. C. Cully, D. Dagenhart, M. Datta, T. Davies, P. de Barbaro, S. De Cecco, A. Deisher, G. De Lorenzo, M. Dell’Orso, C. Deluca, L. Demortier, J. Deng, P. F. Derwent, A. Di Canto, G. P. di Giovanni, C. Dionisi, B. Di Ruzza, J. R. Dittmann, M. D’Onofrio, S. Donati, P. Dong, J. Donini, T. Dorigo, S. Dube, J. Efron, A. Elagin, R. Erbacher, D. Errede, S. Errede, R. Eusebi, H. C. Fang, S. Farrington, W. T. Fedorko, R. G. Feild, M. Feindt, J. P. Fernandez, C. Ferrazza, R. Field, G. Flanagan, R. Forrest, M. J. Frank, M. Franklin, J. C. Freeman, I. Furic, M. Gallinaro, J. Galyardt, F. Garberson, J. E. Garcia, A. F. Garfinkel, P. Garosi, K. Genser, H. Gerberich, D. Gerdes, A. Gessler, S. Giagu, V. Giakoumopoulou, P. Giannetti, K. Gibson, J. L. Gimmell, C. M. Ginsburg, N. Giokaris, M. Giordani, P. Giromini, M. Giunta, G. Giurgiu, V. Glagolev, D. Glenzinski, M. Gold, N. Goldschmidt, A. Golossanov, G. Gomez, G. Gomez Ceballos, M. Goncharov, O. González, I. Gorelov, A. T. Goshaw, K. Goulianos, A. Gresele, S. Grinstein, C. Grosso Pilcher, R. C. Group, U. Grundler, J. Guimaraes da Costa, Z. Gunay Unalan, C. Haber, K. Hahn, S. R. Hahn, E. Halkiadakis, B. Y. Han, J. Y. Han, F. Happacher, K. Hara, D. Hare, M. Hare, S. Harper, R. F. Harr, R. M. Harris, M. Hartz, K. Hatakeyama, C. Hays, M. Heck, A. Heijboer, J. Heinrich, C. Henderson, M. Herndon, J. Heuser, S. Hewamanage, D. Hidas, C. S. Hill, D. Hirschbuehl, A. Hocker, S. Hou, M. Houlden, S. C. Hsu, B. T. Huffman, R. E. Hughes, U. Husemann, M. Hussein, J. Huston, J. Incandela, G. Introzzi, M. Iori, A. Ivanov, E. James, D. Jang, B. 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Ttito-Guzmán, S. Tkaczyk, D. Toback, S. Tokar, K. Tollefson, T. Tomura, D. Tonelli, S. Torre, D. Torretta, P. Totaro, S. Tourneur, M. Trovato, S.-Y. Tsai, Y. Tu, N. Turini, F. Ukegawa, S. Vallecorsa, N. van Remortel, A. Varganov, E. Vataga, F. Vázquez, G. Velev, C. Vellidi, M. Vidal, R. Vidal, I. Vila, R. Vilar, T. Vine, M. Vogel, I. Volobouev, G. Volpi, P. Wagner, R. G. Wagner, R. L. Wagner, W. Wagner, J. Wagner-Kuhr, T. Wakisaka, R. Wallny, S. M. Wang, A. Warburton, D. Water, M. Weinberger, J. Weinelt, W. C. Wester, III, B. Whitehouse, D. Whiteson, A. B. Wicklund, E. Wicklund, S. Wilbur, G. William, H. H. William, P. Wilson, B. L. Winer, P. Wittich, S. Wolber, C. Wolfe, T. Wright, X. Wu, F. Würthwein, S. Xie, A. Yagil, K. Yamamoto, J. Yamaoka, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, K. Yi, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, X. Zhang, Y. Zheng, and and S. Zucchelli
- Subjects
XI_B ,CDF ,High Energy Physics::Experiment ,OMEGA_B ,Nuclear Experiment - Abstract
We report the observation of the bottom, doubly-strange Omega-_b through the decay chain Omega-_b --> J/psi Omega-, where J/psi --> mu+ mu-, Omega- --> Lambda K-, and Lambda --> p pi++, using 4.2 fb-1 of data from p anti-p collisions at s**(1/2) =1.96 TeV, and recorded with the Collider Detector at Fermilab. A signal is observed whose probability of arising from a background fluctuation is 4.0 x 10-8, or 5.5 Gaussian standard deviations. The Omega-_b mass is measured to be 6054.4 +/- 6.8(stat.) +/- 0.9(syst.) MeV/c2. The lifetime of the Omega-_b baryon is measured to be 1.13+0.53_-0.40(stat.) +/- 0.02(syst.) ps. In addition, for the Xi-_b baryon we measure a mass of 5790.9 +/- 2.6(stat.) +/- 0.8(syst.) MeV/c2 and a lifetime of 1.56+0.27_-0.25(stat.) +/- 0.02(syst.) ps. Under the assumption that the Xi-_b and Omega-_b are produced with similar kinematic distributions t the Lambda0(b) baryon, we find sigma(Xi-_b) B(Xi-_b --> J/psi Xi-)/sigma (Lambda0(b) B(Lambda0(b) --> J/psi Lambda) 0.167{+0.037}_{-0.025}(stat.) and sigma(Omega-_b) B(Omega-_b --> J/psi Omega-/Sigma(Lambda0(b)) B(Lambda0(b) --> J/psi Lambda) 0.045{+0.017}_{-0.012}(stat.) +/- 0.004(syst.) for baryons produced with transverse momentum in the range of 6-20 GeV/c.
- Published
- 2009
40. Search for Hadronic Decays of W and Z Bosons in Photon Events in p anti-p Collisions at s**(1/2) =1.96 TeV
- Author
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- Subjects
W BOSON ,Z BOSON ,PHOTON ,CDF ,High Energy Physics::Experiment - Abstract
We report on a search for the process p anti-p --> gamma + W/Z with W/Z --> qq-bar in events containing two jets and a photon at the center-of-mass energy s**(1/2) = 1.96 TeV, using 184 pb-1 of data collected by the CDF II detector. A neural network event selection has been developed to optimize the rejection of the large QCD production background; it is shown that this method gives a significant improvement in both signal-to-noise ratio and signal sensitivity, as compared with an event selection based on conventional cuts. An upper limit is presented for the gamma + W/Z production cross section with the W and Z decaying hadronically.
- Published
- 2009
41. Measurement of the ratio of differential cross sections for W and Z boson production as a function of transverse momentum in p collisions at =1.8 TeV
- Author
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V.M Abazov, B Abbott, A Abdesselam, M Abolins, V Abramov, B.S Acharya, D.L Adams, M Adams, S.N Ahmed, G.D Alexeev, G.A Alves, N Amos, E.W Anderson, Y Arnoud, M.M Baarmand, V.V Babintsev, L Babukhadia, T.C Bacon, A Baden, B Baldin, P.W Balm, S Banerjee, E Barberis, P Baringer, J Barreto, J.F Bartlett, U Bassler, D Bauer, A Bean, F Beaudette, M Begel, A Belyaev, S.B Beri, G Bernardi, I Bertram, A Besson, R Beuselinck, V.A Bezzubov, P.C Bhat, V Bhatnagar, M Bhattacharjee, G Blazey, S Blessing, A Boehnlein, N.I Bojko, F Borcherding, K Bos, A Brandt, R Breedon, G Briskin, R Brock, G Brooijmans, A Bross, D Buchholz, M Buehler, V Buescher, V.S Burtovoi, J.M Butler, F Canelli, W Carvalho, D Casey, Z Casilum, H Castilla-Valdez, D Chakraborty, K.M Chan, S.V Chekulaev, D.K Cho, S Choi, S Chopra, J.H Christenson, M Chung, D Claes, A.R Clark, J Cochran, L Coney, B Connolly, W.E Cooper, D Coppage, S Crépé-Renaudin, M.A.C Cummings, D Cutts, G.A Davis, K Davis, K De, S.J de Jong, K Del Signore, M Demarteau, R Demina, P Demine, D Denisov, S.P Denisov, S Desai, H.T Diehl, M Diesburg, S Doulas, Y Ducros, L.V Dudko, S Duensing, L Duflot, S.R Dugad, A Duperrin, A Dyshkant, D Edmunds, J Ellison, V.D Elvira, R Engelmann, S Eno, G Eppley, P Ermolov, O.V Eroshin, J Estrada, H Evans, V.N Evdokimov, T Fahland, S Feher, D Fein, T Ferbel, F Filthaut, H.E Fisk, Y Fisyak, E Flattum, F Fleuret, M Fortner, H Fox, K.C Frame, S Fu, S Fuess, E Gallas, A.N Galyaev, M Gao, V Gavrilov, R.J Genik, K Genser, C.E Gerber, Y Gershtein, R Gilmartin, G Ginther, B Gómez, G Gómez, P.I Goncharov, J.L González Solı́s, H Gordon, L.T Goss, K Gounder, A Goussiou, N Graf, G Graham, P.D Grannis, J.A Green, H Greenlee, Z.D Greenwood, S Grinstein, L Groer, S Grünendahl, A Gupta, S.N Gurzhiev, G Gutierrez, P Gutierrez, N.J Hadley, H Haggerty, S Hagopian, V Hagopian, R.E Hall, P Hanlet, S Hansen, J.M Hauptman, C Hays, C Hebert, D Hedin, J.M Heinmiller, A.P Heinson, U Heintz, T Heuring, M.D Hildreth, R Hirosky, J.D Hobbs, B Hoeneisen, Y Huang, R Illingworth, A.S Ito, M Jaffré, S Jain, R Jesik, K Johns, M Johnson, A Jonckheere, M Jones, H Jöstlein, A Juste, W Kahl, S Kahn, E Kajfasz, A.M Kalinin, D Karmanov, D Karmgard, Z Ke, R Kehoe, A Khanov, A Kharchilava, S.K Kim, B Klima, B Knuteson, W Ko, J.M Kohli, A.V Kostritskiy, J Kotcher, B Kothari, A.V Kotwal, A.V Kozelov, E.A Kozlovsky, J Krane, M.R Krishnaswamy, P Krivkova, S Krzywdzinski, M Kubantsev, S Kuleshov, Y Kulik, S Kunori, A Kupco, V.E Kuznetsov, G Landsberg, W.M Lee, A Leflat, C Leggett, F Lehner, J Li, Q.Z Li, X Li, J.G.R Lima, D Lincoln, S.L Linn, J Linnemann, R Lipton, A Lucotte, L Lueking, C Lundstedt, C Luo, A.K.A Maciel, R.J Madaras, V.L Malyshev, V Manankov, H.S Mao, T Marshall, M.I Martin, K.M Mauritz, B May, A.A Mayorov, R McCarthy, T McMahon, H.L Melanson, M Merkin, K.W Merritt, C Miao, H Miettinen, D Mihalcea, C.S Mishra, N Mokhov, N.K Mondal, H.E Montgomery, R.W Moore, M Mostafa, H da Motta, E Nagy, F Nang, M Narain, V.S Narasimham, H.A Neal, J.P Negret, S Negroni, T Nunnemann, D O'Neil, V Oguri, B Olivier, N Oshima, P Padley, L.J Pan, K Papageorgiou, A Para, N Parashar, R Partridge, N Parua, M Paterno, A Patwa, B Pawlik, J Perkins, M Peters, O Peters, P Pétroff, R Piegaia, B.G Pope, E Popkov, H.B Prosper, S Protopopescu, J Qian, R Raja, S Rajagopalan, E Ramberg, P.A Rapidis, N.W Reay, S Reucroft, M Ridel, M Rijssenbeek, F Rizatdinova, T Rockwell, M Roco, C Royon, P Rubinov, R Ruchti, J Rutherfoord, B.M Sabirov, G Sajot, A Santoro, L Sawyer, R.D Schamberger, H Schellman, A Schwartzman, N Sen, E Shabalina, R.K Shivpuri, D Shpakov, M Shupe, R.A Sidwell, V Simak, H Singh, J.B Singh, V Sirotenko, P Slattery, E Smith, R.P Smith, R Snihur, G.R Snow, J Snow, S Snyder, J Solomon, V Sorı́n, M Sosebee, N Sotnikova, K Soustruznik, M Souza, N.R Stanton, G Steinbrück, R.W Stephens, F Stichelbaut, D Stoker, V Stolin, A Stone, D.A Stoyanova, M Strauss, M Strovink, L Stutte, A Sznajder, M Talby, W Taylor, S Tentindo-Repond, S.M Tripathi, T.G Trippe, A.S Turcot, P.M Tuts, V Vaniev, R Van Kooten, N Varelas, L.S Vertogradov, F Villeneuve-Seguier, A.A Volkov, A.P Vorobiev, H.D Wahl, H Wang, Z.-M Wang, J Warchol, G Watts, M Wayne, H Weerts, A White, J.T White, D Whiteson, J.A Wightman, D.A Wijngaarden, S Willis, S.J Wimpenny, J Womersley, D.R Wood, Q Xu, R Yamada, P Yamin, T Yasuda, Y.A Yatsunenko, K Yip, S Youssef, J Yu, Z Yu, M Zanabria, X Zhang, H Zheng, B Zhou, Z Zhou, M Zielinski, D Zieminska, A Zieminski, V Zutshi, E.G Zverev, A Zylberstejn, Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), D0, 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), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
- Subjects
Physics ,Nuclear and High Energy Physics ,Particle physics ,010308 nuclear & particles physics ,High Energy Physics::Phenomenology ,Hadron ,FOS: Physical sciences ,Perturbative QCD ,Observable ,Function (mathematics) ,16. Peace & justice ,7. Clean energy ,01 natural sciences ,High Energy Physics - Experiment ,High Energy Physics - Experiment (hep-ex) ,0103 physical sciences ,Transverse momentum ,[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex] ,Physics::Accelerator Physics ,High Energy Physics::Experiment ,Production (computer science) ,Nuclear Experiment ,010306 general physics ,Differential (mathematics) - Abstract
We report on a measurement of the ratio of the differential cross sections for W and Z boson production as a function of transverse momentum in proton-antiproton collisions at sqrt(s) = 1.8 TeV. This measurement uses data recorded by the D0 detector at the Fermilab Tevatron in 1994-1995. It represents the first investigation of a proposal that ratios between W and Z observables can be calculated reliably using perturbative QCD, even when the individual observables are not. Using the ratio of differential cross sections reduces both experimental and theoretical uncertainties, and can therefore provide smaller overall uncertainties in the measured mass and width of the W boson than current methods used at hadron colliders., Comment: 10 pages, 2 figures, to be published in Physics Letters B
- Published
- 2001
42. Quasi-Model-Independent Search for New HighpTPhysics at D0
- Author
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P. Demine, S. Youssef, V. Zutshi, K. S. Hahn, D. Cutts, D. Shpakov, H. Zheng, P. Hanlet, S. Krzywdzinski, Wagner Carvalho, Greg Landsberg, Andrew White, T. Nunnemann, B. Baldin, D. Coppage, Y. Ducros, X. C. Meng, J. A. Wightman, N. I. Bojko, A. Zylberstejn, R. D. Martin, Sergey Kuleshov, Victor Daniel Elvira, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, M. Paterno, K. Soustruznik, M. Buehler, Alexander Belyaev, F. Lehner, N. Parua, V.V. Abramov, H. Greenlee, F. Borcherding, P. Yamin, Robert Hirosky, M. Jaffré, Patrick Slattery, S. Reucroft, S. Desai, G. Steinbrück, V. Oguri, E. G. Zverev, D. Bauer, Miguel Mostafa, R. Snihur, John Hobbs, N. R. Stanton, Rajendran Raja, M. M. Baarmand, H. L. Melanson, P. Z. Quintas, Erik Ramberg, T. McMahon, G. Eppley, H. D. Wahl, Arnaud Lucotte, Sarah Catherine Eno, M. Fortner, N. W. Reay, A. Bross, O. Peters, G. A. Davis, Serban Protopopescu, F. Nang, J. H. Christenson, Brad Abbott, Meenakshi Narain, Pierre Petroff, J. Perkins, Yu-tin Huang, Gustaaf Brooijmans, J. Warchol, Ulrich Heintz, H. Jöstlein, M. Zanabria, Winston Ko, Nikos Varelas, Randy Ruchti, R. K. Shivpuri, Frank Filthaut, A. N. Galyaev, D. Fein, M. Diesburg, G. Gutierrez, Gilvan Alves, V. S. Narasimham, L. Groer, Thomas G Trippe, H. da Motta, J. G.R. Lima, Bobby Samir Acharya, H. A. Neal, Howard Gordon, David H. Adams, K. C. Frame, H. E. Fisk, D. K. Cho, Peter W. Draper, Pushpalatha C Bhat, S. N. Gurzhiev, A. Baden, C. S. Mishra, R. Jesik, G. C. Blazey, T. Fahland, R. Illingworth, P. van Gemmeren, D. P. Stoker, K. Gounder, L. J. Pan, R. Yamada, W. E. Cooper, S. Duensing, Don Lincoln, F. Canelli, P. W. Balm, S. Doulas, J. Snow, Daniel R Claes, Vasken Hagopian, M. A.C. Cummings, A. S. Ito, P. I. Goncharov, H. Weerts, T. Yasuda, Z. M. Wang, Emanuela Barberis, Wendy Taylor, Vipin Bhatnagar, Daniel John Karmgard, K. M. Chan, M. Sosebee, Dhiman Chakraborty, Kaushik De, D. A. Stoyanova, A. S. Turcot, A. V. Kostritskiy, C. Hebert, S. P. Denisov, John Rutherfoord, Lev Dudko, J. T. Linnemann, V. Sorín, B. Hoeneisen, J. V.D. Wirjawan, Lee Sawyer, A. Patwa, Allan G Clark, Roger Moore, L. Lueking, R. Partridge, E. Flattum, M. R. Krishnaswamy, Gervasio Gomez, C. Luo, Mary Beth Adams, C. Miao, Viatcheslav Stolin, B. Olivier, E. Kajfasz, Sissel Hansen, K. Yip, E. Popkov, B. G. Pope, M. Bhattacharjee, Z. Zhou, J. Solomon, Michael Begel, K. Del Signore, Matthew Jones, S. Chopra, S. Fuess, J. Rha, C. Lundstedt, A. Para, L. T. Goss, M. H.G. Souza, Charles Leggett, James C. Green, Elizabeth Gallas, Haiyan Wang, F. Fleuret, H. S. Mao, Sergey Chekulaev, S.A. Kahn, Andrew Brandt, Sharon Hagopian, R. Engelmann, M. Merkin, L. Stutte, Jinhong Yu, Ariel Schwartzman, E. Smith, R. Van Kooten, Vladimir Gavrilov, M. Abolins, M. Demarteau, S. M. Tripathi, Jing Li, S. Feher, K. Genser, A. Besson, P. M. Tuts, V. E. Kuznetsov, L. Coney, Y. Fisyak, E. A. Kozlovsky, H.E. Miettinen, Gordon Watts, Melissa Ridel, A.S. Dyshkant, V. Sirotenko, F. Stichelbaut, Heriberto Castilla-Valdez, R. W. Stephens, C. Klopfenstein, K. W. Merritt, Elizaveta Shabalina, L. Duflot, N. Sen, Marvin Johnson, O. V. Eroshin, G. Graham, A. Zieminski, Phillip Gutierrez, K. Papageorgiou, N. K. Mondal, H. T. Diehl, J. F. Bartlett, Stephen Wimpenny, N.V. Mokhov, H. E. Montgomery, H. Singh, V. Manankov, A. V. Kozelov, T. Rockwell, Iain Alexander Bertram, B. Pawlik, J. T. White, A. Boehnlein, Michael Rijssenbeek, K. A. Johns, A. P. Heinson, M. Gao, T. Marshall, R. Piegaia, A. A. Mayorov, Neeti Parashar, P. A. Rapidis, J. Ellison, Raymond Brock, Boaz Klima, S. A. Jerger, V. N. Evdokimov, R. Beuselinck, D. Casey, J. Kotcher, B. Knuteson, R. A. Sidwell, Alexander Leflat, A. Jonckheere, A. Abdesselam, A. P. Vorobiev, Chris Hays, M. Strovink, R. E. Hall, J. L. González Solís, Darien Wood, V. A. Bezzubov, Nicholas John Hadley, J. P. Negret, R. P. Smith, M. Zielinski, N. Sotnikova, Stephan Linn, R. J. Genik, V. Buescher, Z. Casilum, U. Bassler, H. Haggerty, Suyong Choi, A. Bean, Ron Lipton, S. Blessing, D. Norman, N. Graf, M. I. Martin, N. Oshima, Daria Zieminska, Scott Snyder, R. D. Schamberger, Michael Shupe, J. Womersley, Z. Yu, R. L. McCarthy, Daniel Whiteson, E. W. Anderson, M. A. Kubantsev, J. Estrada, S. Willis, R. Gilmartin, S. Tentindo-Repond, G. Di Loreto, J. McDonald, Q. Z. Li, A. V. Kotwal, Harrison Prosper, D. Karmanov, Gregorio Bernardi, D. Denisov, Philip Baringer, M. Roco, S. Negroni, D. Buchholz, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, Alberto Santoro, Sebastian Grinstein, S. Banerjee, Seong Keun Kim, R. J. Madaras, D. Toback, V. Simak, T. C. Bacon, P. Padley, R. Demina, P. Rubinov, J. M. Hauptman, Cecilia Elena Gerber, Alexey Volkov, James H Cochran, V. V. Babintsev, D. Hedin, G. Ginther, A. K.A. Maciel, M. Chung, Anna Goussiou, Jianming Qian, N. Amos, Mitchell Wayne, H. Schellman, J. M. Kohli, G. Briskin, Jeffrey F. Krane, Gregory R Snow, Stefan Grünendahl, J. Thompson, K. M. Mauritz, P.F. Ermolov, S. R. Hou, B. Gómez, V. S. Burtovoi, Shashikant Dugad, Shuichi Kunori, V. Vaniev, B. May, Anurag Gupta, Michael A. Strauss, Jasvinder A. Singh, Suman Bala Beri, T. Heuring, A. Juste, D. Mihalcea, Elemer Nagy, B. Connolly, Richard Breedon, Y. Kulik, D. A. Wijngaarden, D. Edmunds, Andre Sznajder, Yuri Gershtein, M. D. Peters, L. Oesch, and L. Babukhadia
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Physics ,Particle physics ,010308 nuclear & particles physics ,Tevatron ,General Physics and Astronomy ,01 natural sciences ,Standard Model ,Nuclear physics ,0103 physical sciences ,High Energy Physics::Experiment ,Fermilab ,Sensitivity (control systems) ,Electroweak scale ,Nuclear Experiment ,010306 general physics - Abstract
We apply a quasi-model-independent strategy ("Sleuth") to search for new high p_T physics in approximately 100 pb^-1 of ppbar collisions at sqrt(s) = 1.8 TeV collected by the DZero experiment during 1992-1996 at the Fermilab Tevatron. We systematically analyze many exclusive final states and demonstrate sensitivity to a variety of models predicting new phenomena at the electroweak scale. No evidence of new high p_T physics is observed.
- Published
- 2001
43. Ratio of Jet Cross Sections ats=630GeV and 1800 GeV
- Author
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K. M. Mauritz, P.F. Ermolov, D. P. Stoker, V. S. Burtovoi, M. Chung, T. Heuring, M. Bhattacharjee, D. Edmunds, P. A. Rapidis, Sharon Hagopian, A. Jonckheere, A. P. Vorobiev, Stephan Linn, C. S. Mishra, Andre Sznajder, Yuri Gershtein, M. D. Peters, N. Oshima, Daria Zieminska, R. Piegaia, D. Shpakov, P. Demine, H. Zheng, P. Hanlet, D. Coppage, R. D. Schamberger, D. A. Stoyanova, A. S. Turcot, Howard Gordon, K. C. Frame, S. Reucroft, A. A. Mayorov, R. L. McCarthy, M. Strovink, Elemer Nagy, L. Oesch, L. Babukhadia, T. Fahland, M. A. Kubantsev, Robert Hirosky, Pushpalatha C Bhat, Gervasio Gomez, D. Buchholz, Vasken Hagopian, K. Gounder, Anna Goussiou, M. A.C. Cummings, B. Hoeneisen, Lee Sawyer, H. Weerts, Z. M. Wang, R. Snihur, Michael Begel, K. Genser, Shuichi Kunori, V. Vaniev, B. Pawlik, S. Youssef, H. E. Fisk, Lev Dudko, Gregory R Snow, B. G. Pope, Y. Kulik, L. J. Pan, Haiyan Wang, R. Demina, D. Casey, S.A. Kahn, J. Kotcher, D. Mihalcea, B. Connolly, M. Roco, E. Flattum, S. Chopra, K. W. Merritt, J. Womersley, Richard Breedon, M. Demarteau, G. Gutierrez, J. F. Bartlett, Gilvan Alves, B. May, V. Manankov, N. Graf, K. Streets, Vipin Bhatnagar, Robert Kehoe, V. Zutshi, S. Fuess, M. H.G. Souza, T. Rockwell, Iain Alexander Bertram, V. Simak, D. Karmanov, S. Negroni, Z. Zhou, J. Solomon, R. Partridge, V. S. Narasimham, L. Groer, Thomas G Trippe, E. Popkov, A. N. Galyaev, G. Eppley, E. J. Ramberg, Ariel Schwartzman, E. Smith, K. M. Chan, Dhiman Chakraborty, H. E. Montgomery, Y. Fisyak, Alexander Belyaev, Vladimir Gavrilov, Michael Rijssenbeek, Gordon Watts, Elizaveta Shabalina, D. A. Wijngaarden, J. Rha, V. Sirotenko, H. S. Mao, H. da Motta, J. G.R. Lima, P. Yamin, Marvin Johnson, P. Padley, A. S. Ito, Z. Yu, Patrick Slattery, O. V. Eroshin, Daniel Whiteson, A. V. Kozelov, Phillip Gutierrez, Bobby Samir Acharya, H. A. Neal, H. C. Shankar, Anurag Gupta, Alexey Volkov, Suyong Choi, Michael A. Strauss, Peter W. Draper, Heriberto Castilla-Valdez, V. N. Evdokimov, J. Warchol, J. T. White, J. T. Linnemann, V. Sorín, K. Yip, D. K. Cho, S. P. Denisov, James H Cochran, E. G. Zverev, Jasvinder A. Singh, R. Gilmartin, R. K. Shivpuri, J. Snow, Mitchell Wayne, Ulrich Heintz, F. Stichelbaut, L. Stutte, Jinhong Yu, H. Jöstlein, A.S. Dyshkant, H. L. Melanson, P. Z. Quintas, Chris Hays, M. R. Krishnaswamy, M. Buehler, W. E. Cooper, S. Duensing, Suman Bala Beri, M. Diesburg, V.V. Abramov, Andrew White, N. R. Stanton, V. A. Bezzubov, J. P. Negret, R. P. Smith, Matthew Jones, A. Juste, B. Baldin, L. Lueking, Y. Ducros, A. Para, M. Abolins, J. H. Christenson, H. Schellman, J. M. Kohli, U. Bassler, David H. Adams, P. Grudberg, Sergey Chekulaev, Alice Bean, Michael Shupe, Arnaud Lucotte, J. Estrada, Meenakshi Narain, N. K. Mondal, H. T. Diehl, H. Singh, K. Del Signore, R. Jesik, X. C. Meng, John Hobbs, N. Parua, Randy Ruchti, D. R. Claes, A. Boehnlein, P. van Gemmeren, Alberto Santoro, A. V. Kotwal, Harrison Prosper, F. Canelli, S. Desai, J. Ellison, A. K.A. Maciel, Seong Keun Kim, D. Toback, M. Sosebee, Stefan Grünendahl, J. Thompson, Sergey Kuleshov, P. M. Tuts, M. Merkin, P. Rubinov, J. M. Hauptman, Cecilia Elena Gerber, V. E. Kuznetsov, R. W. Stephens, V. V. Babintsev, J. Bantly, P. I. Goncharov, G. Ginther, S. Doulas, Jianming Qian, S. A. Jerger, C. Miao, B. Olivier, Raymond Brock, Boaz Klima, Andrew Brandt, S. R. Hou, Victor Daniel Elvira, G. Briskin, R. Engelmann, E. A. Kozlovsky, J. A. Wightman, H.E. Miettinen, D. Norman, A. Leflat, Jeffrey F. Krane, S. Willis, N. I. Bojko, M. I. Martin, R. D. Martin, B. Gómez, M. L. Stevenson, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, H. Piekarz, S. Tentindo-Repond, G. Di Loreto, J. McDonald, Z. H. Zhu, Kaushik De, Philip Baringer, Shashikant Dugad, S. Banerjee, Gregorio Bernardi, D. Denisov, S. M. Tripathi, V. Buescher, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, E. W. Anderson, Q. Z. Li, Stephen Wimpenny, A. R. Clark, Allen Mincer, Sebastian Grinstein, T. Marshall, A. V. Kostritskiy, Darien Wood, Sissel Hansen, Nicholas John Hadley, L. Coney, N. Sen, S. Blessing, S. N. Gurzhiev, Scott Snyder, R. J. Madaras, B. Gibbard, Viatcheslav Stolin, Yu-tin Huang, J. Sculli, Nikos Varelas, C. Lundstedt, D. Hedin, Neeti Parashar, M. Zielinski, V. Oguri, Gustaaf Brooijmans, Elizabeth Gallas, T. McMahon, F. Fleuret, R. Van Kooten, S. Feher, A. Besson, K. A. Johns, G. Graham, A. Zieminski, R. A. Sidwell, J. V.D. Wirjawan, E. Kajfasz, G. Steinbrück, Rajendran Raja, Brad Abbott, M. Fortner, N. W. Reay, J. Perkins, Emanuela Barberis, L. T. Goss, A. Baden, G. C. Blazey, H. Haggerty, R. Yamada, H. D. Wahl, N. Amos, M. Zanabria, Winston Ko, Orin I. Dahl, John Rutherfoord, Mary Beth Adams, James C. Green, K. S. Hahn, D. Cutts, O. Peters, Wagner Carvalho, Greg Landsberg, M. Paterno, K. Soustruznik, F. Borcherding, T. Yasuda, Miguel Mostafa, M. M. Baarmand, Wendy Taylor, A. Patwa, Sarah Catherine Eno, F. Nang, Richard B. Lipton, Roger Moore, P. Gartung, C. Klopfenstein, B. Knuteson, N. Sotnikova, R. J. Genik, D. Fein, Don Lincoln, P. W. Balm, Daniel John Karmgard, C. Hebert, Jing Li, N.V. Mokhov, A. P. Heinson, R. E. Hall, J. L. González Solís, Z. Casilum, S. Krzywdzinski, A. Zylberstejn, F. Lehner, H. Greenlee, A. Bross, G. A. Davis, and Serban Protopopescu
- Subjects
Quantum chromodynamics ,Absolute magnitude ,Physics ,Particle physics ,Jet (fluid) ,010308 nuclear & particles physics ,General Physics and Astronomy ,01 natural sciences ,Nuclear physics ,Cross section (physics) ,Square root ,0103 physical sciences ,Transverse momentum ,High Energy Physics::Experiment ,Nuclear Experiment ,010306 general physics - Abstract
The D0 Collaboration has measured the inclusive jet cross section in barpp collisions at square root of s = 630 GeV. The results for pseudorapidities (eta)
- Published
- 2001
44. Ratios of Multijet Cross Sections inpp¯Collisions at√s=1.8TeV
- Author
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P. Demine, H. Zheng, P. Hanlet, Robert Hirosky, D. Coppage, P. A. Rapidis, A. Jonckheere, A. P. Vorobiev, R. Demina, G. Gutierrez, Gilvan Alves, Stephan Linn, B. May, T. Rockwell, Iain Alexander Bertram, V. S. Narasimham, E. T. Goss, Thomas G Trippe, N. Oshima, S. Reucroft, Michael Rijssenbeek, Daria Zieminska, R. D. Schamberger, M. H.G. Souza, Anurag Gupta, M. A. Kubantsev, H. E. Montgomery, J. Snow, V. N. Evdokimov, G. Steinbrück, Chris Hays, Elizabeth Gallas, T. McMahon, Ulrich Heintz, M. Abolins, Jasvinder A. Singh, Z. Yu, Y. Fisyak, H. Jöstlein, V. A. Bezzubov, J. P. Negret, Bobby Samir Acharya, R. P. Smith, H. A. Neal, Daniel Whiteson, H. C. Shankar, Rajendran Raja, J. T. Linnemann, V. Sorín, K. Yip, Jinhong Yu, E. Groer, A.S. Dyshkant, M. Diesburg, Marvin Johnson, Michael Shupe, E. Oesch, A. V. Kozelov, D. Buchholz, S. Fuess, Andrew White, Pushpalatha C Bhat, Brad Abbott, H. L. Melanson, P. Z. Quintas, J. Estrada, C. Klopfenstein, M. Bhattacharjee, E. Popkov, K. Del Signore, H. E. Fisk, N. K. Mondal, A. A. Mayorov, R. K. Shivpuri, E. Coney, H. T. Diehl, H. Singh, K. Gounder, P. Grudberg, Anna Goussiou, A. V. Kotwal, Harrison Prosper, A. Boehnlein, K. A. Johns, S. Desai, E. G. Zverev, M. A.C. Cummings, M. Strovink, B. Hoeneisen, Sharon Hagopian, D. A. Stoyanova, A. S. Turcot, J. Ellison, A. K.A. Maciel, Lee Sawyer, S. P. Denisov, N.V. Mokhov, T. Heuring, J. H. Christenson, David H. Adams, D. R. Claes, Gregory R Snow, P. M. Tuts, V. E. Kuznetsov, Z. Zhou, J. Solomon, R. W. Stephens, John Hobbs, Gervasio Gomez, K. M. Mauritz, P. van Gemmeren, A. V. Kostritskiy, M. R. Krishnaswamy, Alice Bean, A. P. Heinson, Neeti Parashar, Shuichi Kunori, P.F. Ermolov, S. Doulas, Sissel Hansen, Vladimir Gavrilov, B. Knuteson, Michael Begel, Elemer Nagy, Haiyan Wang, V. Vaniev, A. Para, M. Zielinski, R. J. Madaras, F. Canelli, E. Lueking, Sergey Chekulaev, Suyong Choi, V. S. Burtovoi, S.A. Kahn, Kaushik De, M. E. Stevenson, Gordon Watts, Meenakshi Narain, V. Sirotenko, O. I. Dabi, N. Sen, E. Stutte, R. Gilmartin, T. Fahland, R. E. Hall, R. Piegaia, J. V.D. Wirjawan, K. Genser, M. Demarteau, N. Sotnikova, Z. Casilum, R. J. Genik, Wendy Taylor, A. Patwa, F. Fleuret, R. Snihur, K. Streets, Vipin Bhatnagar, J. M. Hauptman, R. Partridge, R. Van Kooten, S. Feher, A. Besson, E. Kajfasz, S. M. Tripathi, Cecilia Elena Gerber, G. Di Loreto, D. Hedin, E. J. Ramberg, M. Merkin, D. P. Stoker, Heriberto Castilla-Valdez, D. Fein, V. Simak, O. V. Eroshin, Gregorio Bernardi, D. Denisov, V. V. Babintsev, G. Ginther, Roger Moore, Y. Kulik, P. Padley, Alexey Volkov, G. Graham, A. Zieminski, M. Sosebee, E. Flattum, Phillip Gutierrez, Don Lincoln, P. W. Balm, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, James H Cochran, Mitchell Wayne, H. Schellman, J. M. Kohli, Jianming Qian, J. Rha, J. E. González Solís, H. S. Mao, Stefan Grünendahl, S. Chopra, R. Eipton, Daniel John Karmgard, P. Gartung, J. Thompson, S. R. Hou, G. Briskin, Stephen Wimpenny, V. Oguri, P. Yamin, B. Gómez, C. Hebert, A. R. Clark, Alexander Belyaev, S. N. Gurzhiev, Howard Gordon, R. A. Sidwell, Z. H. Zhu, T. Marshall, Shashikant Dugad, J. Bantly, K. C. Frame, Ariel Schwartzman, E. Smith, Jeffrey F. Krane, Gustaaf Brooijmans, Viatcheslav Stolin, V. Buescher, K. M. Chan, Dhiman Chakraborty, J. Warchol, M. Chung, Patrick Slattery, Jing Li, Raymond Brock, K. W. Merritt, P. I. Goncharov, Darien Wood, C. Lundstedt, Boaz Klima, E. W. Anderson, U. Bassler, J. F. Bartlett, Andrew Brandt, R. Engelmann, V. Manankov, B. Pawlik, Q. Z. Li, S. Krzywdzinski, C. S. Mishra, Peter W. Draper, G. Eppley, J. Womersley, Allen Mincer, D. Casey, Nicholas John Hadley, J. Kotcher, E. A. Kozlovsky, H.E. Miettinen, D. Norman, N. Amos, D. Karmanov, S. Blessing, S. Negroni, Sebastian Grinstein, A. Zylberstejn, F. Lehner, H. Greenlee, Scott Snyder, C. Miao, B. Olivier, Alberto Santoro, Seong Keun Kim, S. Willis, D. Toback, H. da Motta, P. Rubinov, N. Graf, J. G.R. Lima, A. N. Galyaev, Vasken Hagopian, A. Bross, D. K. Cho, H. Weerts, Z. M. Wang, Lev Dudko, W. E. Cooper, S. Duensing, H. D. Wahl, M. Zanabria, M. Fortner, N. W. Reay, G. A. Davis, Serban Protopopescu, Winston Ko, A. S. Ito, E. J. Pan, J. Perkins, O. Peters, B. Gibbard, V.V. Abramov, T. Yasuda, Matthew Jones, Emanuela Barberis, Arnaud Lucotte, F. Stichelbaut, Yu-tin Huang, J. Sculli, N. Parua, Randy Ruchti, Nikos Varelas, H. Haggerty, R. L. McCarthy, M. Roco, A. Baden, G. C. Blazey, R. Yamada, John Rutherfoord, B. Baldin, Mary Beth Adams, Y. Ducros, James C. Green, X. C. Meng, F. Borcherding, Sergey Kuleshov, Victor Daniel Elvira, J. A. Wightman, M. Buehler, N. I. Bojko, Miguel Mostafa, R. D. Martin, M. M. Baarmand, Sarah Catherine Eno, J. S. Hoftun, K. Davis, J. N. Butler, P. D. Grannis, N. R. Stanton, H. Piekarz, F. Nang, S. Youssef, R. Jesik, K. S. Hahn, D. Cutts, Robert Kehoe, V. Zutshi, Wagner Carvalho, Greg Landsberg, M. Paterno, K. Soustruznik, S. A. Jerger, A. Leflat, D. Mihalcea, B. Connolly, Richard Breedon, M. I. Martin, S. Tentindo-Repond, J. McDonald, Philip Baringer, S. Banerjee, B. G. Pope, Elizaveta Shabalina, J. T. White, D. A. Wijngaarden, Michael A. Strauss, Suman Bala Beri, A. Juste, D. Edmunds, Andre Sznajder, Yuri Gershtein, M. D. Peters, L. Babukhadia, and D. Shpakov
- Subjects
Quantum chromodynamics ,Physics ,Particle physics ,010308 nuclear & particles physics ,Astrophysics::High Energy Astrophysical Phenomena ,Tevatron ,General Physics and Astronomy ,Jet (particle physics) ,01 natural sciences ,law.invention ,Nuclear physics ,Renormalization ,Transverse plane ,law ,0103 physical sciences ,High Energy Physics::Experiment ,Fermilab ,010306 general physics ,Collider ,Bar (unit) - Abstract
We report on a study of the ratio of inclusive three-jet to inclusive two-jet production cross sections as a function of total transverse energy in p (p) over bar collisions at it center-of-mass energy roots = 1.8 TeV, using data collected with the DO detector during the 1992-1993 run of the Fermilab Tevatron Collider. The measurements are used to deduce preferred renormalization scales in perturbative O(alpha (3)(s)) QCD calculations in modeling soft-jet emission.
- Published
- 2001
45. Inclusive Jet Production inpp¯Collisions
- Author
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M. Merkin, Raymond Brock, Boaz Klima, R. Beuselinck, D. Norman, S. Willis, A. N. Galyaev, D. K. Cho, R. Illingworth, W. E. Cooper, S. Duensing, Pushpalatha C Bhat, G. Eppley, Robert Hirosky, B. May, Anupam Gupta, D. Buchholz, C. Klopfenstein, Vipin Bhatnagar, D. Bauer, Stephen Wimpenny, K. Gounder, B. G. Pope, M. A.C. Cummings, B. Hoeneisen, N. Parua, V.V. Abramov, H. da Motta, J. G.R. Lima, R. Demina, G. Gutierrez, R. Snihur, D. Mihalcea, B. Connolly, Richard Breedon, F. Borcherding, E. Coney, Gilvan Alves, E. Duflot, A. S. Ito, V. Simak, Bobby Samir Acharya, H. A. Neal, M. Jaffré, Ulrich Heintz, V. S. Narasimham, T. Marshall, Kenneth Johns, Anna Goussiou, V. Oguri, F. Stichelbaut, Elizaveta Shabalina, R. Partridge, N.V. Mokhov, Thomas G Trippe, J. T. Linnemann, V. Sorín, H. E. Melanson, Jasvinder A. Singh, D. A. Wijngaarden, H. Jöstlein, P. Padley, Alexey Volkov, Gustaaf Brooijmans, T. C. Bacon, Haiyan Wang, T. Nunnemann, B. Baldin, K. Yip, A. P. Heinson, S.A. Kahn, Arnaud Lucotte, M. Diesburg, Andrew White, J. Warchol, R. J. Madaras, M. Demarteau, Y. Ducros, Darien Wood, Heriberto Castilla-Valdez, D. P. Stoker, K. W. Merritt, E. Sawyer, James H Cochran, Jinhong Yu, S. N. Gurzhiev, E. Groer, R. L. McCarthy, R. E. Hall, B. Knuteson, J. T. White, Nicholas John Hadley, Shuichi Kunori, A.S. Dyshkant, F. Fleuret, Z. Casilum, Michael A. Strauss, P. A. Rapidis, Gregory R Snow, Randy Ruchti, L. Lueking, Mitchell Wayne, E. Stutte, H. Schellman, J. M. Kohli, Emanuela Barberis, V. Vaniev, A. P. Vorobiev, M. Buehler, C. S. Mishra, S. Blessing, X. C. Meng, E. Popkov, Scott Snyder, A. Jonckheere, K. Del Signore, A. A. Mayorov, Matthew Jones, S. Krzywdzinski, R. Van Kooten, M. Roco, J. F. Bartlett, Elizabeth Gallas, T. McMahon, N. Sotnikova, K. M. Mauritz, P. Demine, V. Manankov, N. R. Stanton, L. T. Goss, T. Heuring, Stefan Grünendahl, Sergey Kuleshov, S. Feher, A. Besson, R. J. Genik, J. Thompson, R. K. Shivpuri, J. Snow, M. Strovink, N. Oshima, H. Zheng, Charles Leggett, P. Hanlet, J. Rha, J. E. González Solís, S. R. Hou, John Hobbs, Daria Zieminska, Vasken Hagopian, D. Coppage, P. M. Tuts, Victor Daniel Elvira, V. E. Kuznetsov, A. Zylberstejn, K. M. Chan, Dhiman Chakraborty, F. Lehner, H. Greenlee, G. Graham, D. R. Claes, P. van Gemmeren, P.F. Ermolov, H. Weerts, Z. M. Wang, Miguel Mostafa, R. W. Stephens, B. Gómez, A. Zieminski, R. Jesik, S. Doulas, Lev Dudko, J. Womersley, M. A. Kubantsev, J. A. Wightman, Shashikant Dugad, D. Hedin, Kaushik De, Sergey Chekulaev, Ricardo Piegaia, H. Haggerty, M. M. Baarmand, Elemer Nagy, Sarah Catherine Eno, M. Bhattacharjee, H. D. Wahl, M. Zanabria, G. A. Davis, Serban Protopopescu, H. S. Mao, N. I. Bojko, S. Reucroft, T. Fahland, R. D. Martin, E. J. Ramberg, Winston Ko, M. Abolins, D. Karmanov, R. A. Sidwell, P. Yamin, O. Peters, Sharon Hagopian, Alexander Belyaev, D. Fein, S. Negroni, V. S. Burtovoi, Viatcheslav Stolin, Y. Kulik, S. M. Tripathi, Don Lincoln, A. Leflat, A. V. Kostritskiy, E. Flattum, J. S. Hoftun, K. Davis, J. N. Butler, P. W. Balm, S. Fuess, Daniel John Karmgard, P. D. Grannis, M. I. Martin, K. Papageorgiou, T. Rockwell, Iain Alexander Bertram, N. K. Mondal, H. Piekarz, Sissel Hansen, Suman Bala Beri, S. Chopra, M. Fortner, C. Hebert, T. Yasuda, Wendy Taylor, A. Bross, N. W. Reay, A. Abdesselam, H. T. Diehl, Ariel Schwartzman, G. Steinbrück, Michael Rijssenbeek, A. Patwa, J. Perkins, Allan G Clark, Roger Moore, N. Amos, Peter W. Draper, Patrick Slattery, H. Singh, S. Youssef, E. Smith, S. Tentindo-Repond, Melissa Ridel, A. Juste, N. Sen, Rajendran Raja, M. Sosebee, J. McDonald, D. A. Stoyanova, A. S. Turcot, A. Boehnlein, M. Chung, V. Zutshi, R. D. Schamberger, Y. Fisyak, Gervasio Gomez, Vladimir Gavrilov, F. Nang, Richard B. Lipton, Philip Baringer, Yu-tin Huang, Marvin Johnson, Michael Begel, Howard Gordon, K. C. Frame, Brad Abbott, Pierre Petroff, V. N. Evdokimov, D. Shpakov, A. V. Kozelov, J. Ellison, A. K.A. Maciel, C. Lundstedt, Gordon Watts, Nikos Varelas, K. Genser, V. Sirotenko, K. S. Hahn, D. Edmunds, Sergey Denisov, V. Buescher, E. W. Anderson, D. Cutts, Andre Sznajder, M. R. Krishnaswamy, Yuri Gershtein, O. V. Eroshin, Q. Z. Li, S. A. Jerger, M. D. Peters, P. I. Goncharov, A. Para, B. Pawlik, J. V.D. Wirjawan, C. Miao, B. Olivier, L. Oesch, Sebastian Grinstein, L. Babukhadia, Wagner Carvalho, M. H.G. Souza, Phillip Gutierrez, Chris Hays, V. A. Bezzubov, H. E. Montgomery, J. P. Negret, Greg Landsberg, Sw. Banerjee, E. Kajfasz, Suyong Choi, Z. Yu, Daniel Whiteson, D. Casey, R. P. Smith, J. Kotcher, Michael Shupe, N. Graf, M. Paterno, K. Soustruznik, P. Z. Quintas, J. Estrada, J. H. Christenson, David H. Adams, Alice Bean, F. Canelli, A. Baden, A. V. Kotwal, Andrew Brandt, R. Engelmann, G. C. Blazey, Harrison Prosper, S. Desai, E. A. Kozlovsky, H.E. Miettinen, R. Yamada, G. Di Loreto, E. G. Zverev, John Rutherfoord, Gregorio Bernardi, D. Denisov, C. Luo, Mary Beth Adams, Srinivasan Rajagopalan, Hal Evans, Thomas Ferbel, James C. Green, Meenakshi Narain, S. E. Linn, Neeti Parashar, M. Zielinski, H. E. Fisk, L. J. Pan, Z. Zhou, J. Solomon, R. Gilmartin, M. Gao, U. Bassler, Alberto Santoro, Seong Keun Kim, D. Toback, P. Rubinov, J. M. Hauptman, Cecilia Elena Gerber, V. V. Babintsev, G. Ginther, Jianming Qian, G. Briskin, Jeffrey F. Krane, and Li Jingyuan
- Subjects
Quantum chromodynamics ,Physics ,Particle physics ,010308 nuclear & particles physics ,Tevatron ,General Physics and Astronomy ,Parton ,Jet (particle physics) ,7. Clean energy ,01 natural sciences ,Nuclear physics ,Cross section (physics) ,Distribution function ,Pseudorapidity ,0103 physical sciences ,High Energy Physics::Experiment ,Fermilab ,Nuclear Experiment ,010306 general physics - Abstract
We report a new measurement of the pseudorapidity (eta) and transverse-energy (Et) dependence of the inclusive jet production cross section in pbar b collisions at sqrt(s) = 1.8 TeV using 95 pb**-1 of data collected with the DZero detector at the Fermilab Tevatron. The differential cross section d^2sigma/dEt deta is presented up to |eta| = 3, significantly extending previous measurements. The results are in good overall agreement with next-to-leading order predictions from QCD and indicate a preference for certain parton distribution functions.
- Published
- 2001
46. Measurement of b-jet Shapes in Inclusive Jet Production in p anti-p Collisions at s**(1/2) = 1.96 TeV
- Author
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CDF Collaboration, T. Aaltonen, J. Adelman, T. Akimoto, M. G. Albrow, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanskas, A. Attal, A. Aurisano, F. Azfar, P. Azzurri, W. Badgett, A. Barbaro Galtieri, V. E. Barnes, B. A. Barnett, V. Bartsch, G. Bauer, P. H. Beauchemin, F. Bedeschi, P. Bednar, D. Beecher, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretvas, J. Beringer, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, A. Bridgeman, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, C. Calancha, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, D. Carlsmith, R. Carosi, S. Carrillo, S. Carron, B. Casal, M. Casarsa, P. Catastini, D. Cauz, V. Cavaliere, M. Cavalli Sforza, A. Cerri, L. Cerrito, S. H. Chang, Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze, F. Chlebana, K. Cho, D. Chokheli, J. P. Chou, G. Choudalakis, S. H. Chuang, K. Chung, W. H. Chung, Y. S. Chung, C. I. Ciobanu, M. A. Ciocci, A. Clark, D. Clark, G. Compostella, M. E. Convery, J. Conway, K. Copic, M. Cordelli, G. Cortiana, D. J. Cox, F. Crescioli, C. Cuenca Almenar, J. Cuevas, R. Culbertson, J. C. Cully, D. Dagenhart, M. Datta, T. Davies, P. de Barbaro, S. De Cecco, A. Deisher, G. De Lorenzo, M. Dell’Orso, C. Deluca, L. Demortier, J. Deng, P. F. Derwent, G. P. di Giovanni, C. Dionisi, B. Di Ruzza, J. R. Dittmann, M. D’Onofrio, S. Donati, P. Dong, J. Donini, T. Dorigo, S. Dube, J. Efron, A. Elagin, R. Erbacher, D. Errede, S. Errede, R. Eusebi, H. C. Fang, S. Farrington, W. T. Fedorko, R. G. Feild, M. Feindt, J. P. Fernandez, C. Ferrazza, R. Field, G. Flanagan, R. Forrest, M. Franklin, J. C. Freeman, I. Furic, M. Gallinaro, J. Galyardt, F. Garberson, J. E. Garcia, A. F. Garfinkel, K. Genser, H. Gerberich, D. Gerdes, A. Gessler, S. Giagu, V. Giakoumopoulou, P. Giannetti, K. Gibson, J. L. Gimmell, C. M. Ginsburg, N. Giokaris, M. Giordani, P. Giromini, M. Giunta, G. Giurgiu, V. Glagolev, D. Glenzinski, M. Gold, N. Goldschmidt, A. Golossanov, G. Gomez, G. Gomez Ceballos, M. Goncharov, O. González, I. Gorelov, A. T. Goshaw, K. Goulianos, A. Gresele, S. Grinstein, C. Grosso Pilcher, R. C. Group, U. Grundler, J. Guimaraes da Costa, Z. Gunay Unalan, C. Haber, K. Hahn, S. R. Hahn, E. Halkiadakis, B. Y. Han, J. Y. Han, R. Handler, F. Happacher, K. Hara, D. Hare, M. Hare, S. Harper, R. F. Harr, R. M. Harris, M. Hartz, K. Hatakeyama, J. Hauser, C. Hays, M. Heck, A. Heijboer, B. Heinemann, J. Heinrich, C. Henderson, M. Herndon, J. Heuser, S. Hewamanage, D. Hidas, C. S. Hill, D. Hirschbuehl, A. Hocker, S. Hou, M. Houlden, S. C. Hsu, B. T. Huffman, R. E. Hughes, U. Husemann, J. Huston, J. Incandela, G. Introzzi, M. Iori, A. Ivanov, E. James, B. Jayatilaka, E. J. Jeon, M. K. Jha, S. Jindariani, W. Johnson, M. Jones, K. K. Joo, S. Y. Jun, J. E. Jung, T. R. Junk, T. Kamon, D. Kar, P. E. Karchin, Y. Kato, R. Kephart, J. Keung, V. Khotilovich, B. Kilminster, D. H. Kim, H. S. Kim, J. E. Kim, M. J. Kim, S. B. Kim, S. H. Kim, Y. K. Kim, N. Kimura, L. Kirsch, S. Klimenko, B. Knuteson, B. R. Ko, S. A. Koay, K. Kondo, D. J. Kong, J. Konigsberg, A. Korytov, A. V. Kotwal, M. Kreps, J. Kroll, D. Krop, N. Krumnack, M. Kruse, V. Krutelyov, T. Kubo, T. Kuhr, N. P. Kulkarni, M. Kurata, Y. Kusakabe, S. Kwang, A. T. Laasanen, S. Lami, S. Lammel, M. Lancaster, R. L. Lander, K. Lannon, A. Lath, G. Latino, I. Lazzizzera, T. LeCompte, E. Lee, S. W. Lee, S. Leone, J. D. Lewis, C. S. Lin, J. Linacre, M. Lindgren, E. Lipeles, A. Lister, D. O. Litvintsev, C. Liu, T. Liu, N. S. Lockyer, A. Loginov, M. Loreti, L. Lovas, R. S. Lu, D. Lucchesi, J. Lueck, C. Luci, P. Lujan, P. Lukens, G. Lungu, L. Lyons, J. Lys, R. Lysak, E. Lytken, P. Mack, D. MacQueen, R. Madrak, K. Maeshima, K. Makhoul, T. Maki, P. Maksimovic, S. Malde, S. Malik, G. Manca, A. Manousakis Katsikakis, F. Margaroli, C. Marino, C. P. Marino, A. Martin, V. Martin, M. Martínez, R. Martínez Ballarín, T. Maruyama, P. Mastrandrea, T. Masubuchi, M. E. Mattson, P. Mazzanti, K. S. McFarland, P. McIntyre, R. McNulty, A. Mehta, P. Mehtala, A. Menzione, P. Merkel, C. Mesropian, T. Miao, N. Miladinovic, R. Miller, C. Mills, M. Milnik, A. Mitra, G. Mitselmakher, H. Miyake, C. S. Moon, R. Moore, M. J. Morello, J. Morlok, P. Movilla Fernandez, J. Mülmenstädt, A. Mukherjee, T.h. Muller, R. Mumford, P. Murat, J. Nachtman, Y. Nagai, A. Nagano, J. Naganoma, K. Nakamura, I. Nakano, A. Napier, V. Necula, C. Neu, M. S. Neubauer, J. Nielsen, L. Nodulman, M. Norman, O. Norniella, E. Nurse, L. Oakes, S. H. Oh, Y. D. Oh, I. Oksuzian, T. Okusawa, R. Orava, K. Osterberg, S. Pagan Griso, C. Pagliarone, E. Palencia, V. Papadimitriou, A. Papaikonomou, A. A. Paramonov, B. Parks, S. Pashapour, J. Patrick, G. Pauletta, M. Paulini, C. Paus, D. E. Pellett, A. Penzo, T. J. Phillips, G. Piacentino, E. Pianori, L. Pinera, K. Pitts, C. Plager, L. Pondrom, O. Poukhov, N. Pounder, F. Prakoshyn, A. Pronko, J. Proudfoot, F. Ptohos, E. Pueschel, G. Punzi, J. Pursley, J. Rademacker, A. Rahaman, V. Ramakrishnan, N. Ranjan, I. Redondo, B. Reisert, V. Rekovic, P. Renton, M. Rescigno, S. Richter, L. Ristori, A. Robson, T. Rodrigo, T. Rodriguez, E. Rogers, S. Rolli, R. Roser, M. Rossi, R. Rossin, P. Roy, A. Ruiz, J. Russ, V. Rusu, H. Saarikko, A. Safonov, W. K. Sakumoto, O. Saltó, L. Santi, S. Sarkar, L. Sartori, K. Sato, A. Savoy Navarro, T. Scheidle, P. Schlabach, A. Schmidt, E. E. Schmidt, M. A. Schmidt, M. P. Schmidt, M. Schmitt, T. Schwarz, L. Scodellaro, A. L. Scott, A. Scribano, F. Scuri, A. Sedov, S. Seidel, Y. Seiya, A. Semenov, L. Sexton Kennedy, A. Sfyrla, S. Z. Shalhout, T. Shears, P. F. Shepard, D. Sherman, M. Shimojima, S. Shiraishi, M. Shochet, Y. Shon, I. Shreyber, A. Sidoti, P. Sinervo, A. 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- Subjects
Astrophysics::High Energy Astrophysical Phenomena ,_ ,High Energy Physics::Experiment - Abstract
We present a measurement of the shapes of b-jets using 300 pb(-1) of data obtained with the upgraded Collider Detector at Fermilab (CDF II) in p(p)overbar collisions at center-of-mass energy root s=1.96 TeV. This measurement covers a wide transverse momentum range, from 52 to 300 GeV/c. Samples of heavy-flavor enhanced jets together with inclusive jets are used to extract the average shapes of b-jets. The b-jets are expected to be broader than inclusive jets. Moreover, b-jets containing a single b-quark are expected to be narrower than those containing a b(b)overbar pair from gluon splitting. The measured b-jet shapes are found to be significantly broader than expected from the PYTHIA and HERWIG Monte Carlo simulations. This effect may arise from an underestimation of the fraction of b-jets originating from gluon splitting in these simulations. The jet shape distributions provided in this paper could be compared to any full Monte Carlo simulation and could be used to further constrain the various parameters.
- Published
- 2008
47. Search for the Flavor Changing Neutral Current Decay tau --> Zq in p anti-p Collisions at s**2(1/2) = 1.96 TeV
- Author
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CDF Collaboration, T. Aaltonen, J. Adelman, T. Akimoto, M. G. Albrow, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanskas, A. Attal, A. Aurisano, F. Azfar, P. Azzurri, W. Badgett, A. Barbaro Galtieri, V. E. Barnes, B. A. Barnett, V. Bartsch, G. Bauer, P. H. Beauchemin, F. Bedeschi, P. Bednar, D. Beecher, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretvas, J. Beringer, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, A. Bridgeman, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, C. Calancha, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, D. Carlsmith, R. Carosi, S. Carrillo, S. Carron, B. Casal, M. Casarsa, P. Catastini, D. Cauz, V. Cavaliere, M. 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Weinberger, W. C. Wester, III, B. Whitehouse, D. Whiteson, A. B. Wicklund, E. Wicklund, G. Williams, H. H. Williams, P. Wilson, B. L. Winer, P. Wittich, S. Wolbers, C. Wolfe, T. Wright, X. Wu, S. M. Wynne, A. Yagil, K. Yamamoto, J. Yamaoka, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, I. Zaw, X. Zhang, Y. Zheng, CASTRO, ANDREA, DENINNO, MARIA MADDALENA, MOGGI, NICCOLO', MUSSINI, MANUEL, RIMONDI, FRANCO, ZUCCHELLI, STEFANO, CDF Collaboration, T. Aaltonen, J. Adelman, T. Akimoto, M. G. Albrow, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Anto, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanska, A. Attal, A. Aurisano, F. Azfar, P. Azzurri, W. Badgett, A. Barbaro-Galtieri, V. E. Barne, B. A. Barnett, V. Bartsch, G. Bauer, P.-H. Beauchemin, F. Bedeschi, P. Bednar, D. Beecher, S. Behari, G. Bellettini, J. Bellinger, D. Benjamin, A. Beretva, J. Beringer, A. 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- Subjects
High Energy Physics::Phenomenology ,_ ,High Energy Physics::Experiment - Abstract
We report a search for the flavor-changing neutral-current decay of the top quark t→Zq (q=u, c) in pp̄ collisions at s=1.96TeV using a data sample corresponding to an integrated luminosity of 1.9fb-1 collected by the CDF II detector. This decay is strongly suppressed in the standard model and an observation of a signal at the Fermilab Tevatron would be an indication of physics beyond the standard model. Using Z+4 jet final state candidate events, with and without an identified bottom quark jet, we obtain an upper limit of B(t→Zq)
- Published
- 2008
48. Measurement of Ratios of Fragmentation Fractions for Bottom Hadrons in p anti-p Collisions at s**(1/2) = 1.96 TeV
- Author
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CDF Collaboration, T. Aaltonen, J. Adelman, T. Akimoto, M. G. Albrow, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, M. Aoki, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanskas, A. Attal, A. Aurisano, F. Azfar, P. Azzi Bacchetta, P. Azzurri, N. Bacchetta, W. Badgett, A. Barbaro Galtieri, V. E. Barnes, B. A. Barnett, S. Baroiant, V. Bartsch, G. Bauer, P. H. Beauchemin, F. Bedeschi, P. Bednar, S. Behari, G. Bellettini, J. Bellinger, A. Belloni, D. Benjamin, A. Beretvas, J. Beringer, T. Berry, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, A. Bolshov, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, A. Bridgeman, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, D. Carlsmith, R. Carosi, S. Carrillo, S. Carron, B. Casal, M. Casarsa, P. Catastini, D. Cauz, M. Cavalli Sforza, A. Cerri, L. Cerrito, S. H. Chang, Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze, F. Chlebana, K. Cho, D. Chokheli, J. P. Chou, G. Choudalakis, S. H. Chuang, K. Chung, W. H. Chung, Y. S. Chung, C. I. Ciobanu, M. A. Ciocci, A. Clark, D. Clark, G. Compostella, M. E. Convery, J. Conway, B. Cooper, K. Copic, M. Cordelli, G. Cortiana, F. Crescioli, C. Cuenca Almenar, J. Cuevas, R. Culbertson, J. C. Cully, D. Dagenhart, M. Datta, T. Davies, P. de Barbaro, S. De Cecco, A. Deisher, G. De Lentdecker, G. De Lorenzo, M. Dell’Orso, L. Demortier, J. Deng, D. De Pedis, P. F. Derwent, G. P. Di Giovanni, C. Dionisi, B. Di Ruzza, J. R. Dittmann, M. D’Onofrio, S. Donati, P. Dong, J. Donini, T. Dorigo, S. Dube, J. Efron, R. Erbacher, D. Errede, S. Errede, R. Eusebi, H. C. Fang, S. Farrington, W. T. Fedorko, R. G. Feild, M. Feindt, J. P. Fernandez, C. Ferrazza, R. Field, G. Flanagan, R. Forrest, S. Forrester, M. Franklin, J. C. Freeman, I. Furic, M. Gallinaro, J. Galyardt, F. Garberson, J. E. Garcia, A. F. Garfinkel, K. Genser, H. Gerberich, D. Gerdes, S. Giagu, V. Giakoumopolou, P. Giannetti, K. Gibson, J. L. Gimmell, C. M. Ginsburg, N. Giokaris, M. Giordani, P. Giromini, M. Giunta, V. Glagolev, D. Glenzinski, M. Gold, N. Goldschmidt, A. Golossanov, G. Gomez, G. Gomez Ceballos, M. Goncharov, O. González, I. Gorelov, A. T. Goshaw, K. Goulianos, A. Gresele, S. Grinstein, C. Grosso Pilcher, R. C. Group, U. Grundler, J. Guimaraes da Costa, Z. Gunay Unalan, C. Haber, K. Hahn, S. R. Hahn, E. Halkiadakis, A. Hamilton, B. Y. Han, J. Y. Han, R. Handler, F. Happacher, K. Hara, D. Hare, M. Hare, S. Harper, R. F. Harr, R. M. Harris, M. Hartz, K. Hatakeyama, J. Hauser, C. Hays, M. Heck, A. Heijboer, B. Heinemann, J. Heinrich, C. Henderson, M. Herndon, J. Heuser, S. Hewamanage, D. Hidas, C. S. Hill, D. Hirschbuehl, A. Hocker, S. Hou, M. Houlden, S. C. Hsu, B. T. Huffman, R. E. Hughes, U. Husemann, J. Huston, J. 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William, P. Wilson, B. L. Winer, P. Wittich, S. Wolber, C. Wolfe, T. Wright, X. Wu, S. M. Wynne, A. Yagil, K. Yamamoto, J. Yamaoka, T. Yamashita, C. Yang, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, I. Zaw, X. Zhang, Y. Zheng, and S. Zucchelli
- Subjects
_ - Abstract
This paper describes the first measurement of b-quark fragmentation fractions into bottom hadrons in Run II of the Tevatron Collider at Fermilab. The result is based on a 360pb-1 sample of data collected with the CDF II detector in pp̄ collisions at s=1.96TeV. Semileptonic decays of B̄0, B-, and B̄s0 mesons, as well as Λb0 baryons, are reconstructed. For an effective bottom hadron pT threshold of 7GeV/c, the fragmentation fractions are measured to be fu/fd=1.054±0.018(stat)-0.045+0.025(sys)±0. 058(B), fs/(fu+fd)=0.160±0.005(stat)-0.010+0.011(sys)-0.034+0.057(B), and fΛb/(fu+fd)=0.281±0.012(stat)-0.056+0.058(sys)-0.087+0.128(B), where the uncertainty B is due to uncertainties on measured branching ratios. The value of fs/(fu+fd) agrees within one standard deviation with previous CDF measurements and the world average of this quantity, which is dominated by LEP measurements. However, the ratio fΛb/(fu+fd) is approximately twice the value previously measured at LEP. The approximately 2σ discrepancy is examined in terms of kinematic differences between the two production environments
- Published
- 2008
49. Search for Heavy Top-like Quarks Using Lepton Plus Jets Events in 1.96 TeV p anti-p Collisions
- Author
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CDF Collaboration, T. Aaltonen, J. Adelman, T. Akimoto, M. G. Albrow, B. Álvarez González, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, M. Aoki, G. Apollinari, A. Apresyan, T. Arisawa, A. Artikov, W. Ashmanskas, A. Attal, A. Aurisano, F. Azfar, P. Azzi Bacchetta, P. Azzurri, N. Bacchetta, W. Badgett, A. Barbaro Galtieri, V. E. Barnes, B. A. Barnett, S. Baroiant, V. Bartsch, G. Bauer, P. H. Beauchemin, F. Bedeschi, P. Bednar, S. Behari, G. Bellettini, J. Bellinger, A. Belloni, D. Benjamin, A. Beretvas, J. Beringer, T. Berry, A. Bhatti, M. Binkley, D. Bisello, I. Bizjak, R. E. Blair, C. Blocker, B. Blumenfeld, A. Bocci, A. Bodek, V. Boisvert, G. Bolla, A. Bolshov, D. Bortoletto, J. Boudreau, A. Boveia, B. Brau, A. Bridgeman, L. Brigliadori, C. Bromberg, E. Brubaker, J. Budagov, H. S. Budd, S. Budd, K. Burkett, G. Busetto, P. Bussey, A. Buzatu, K. L. Byrum, S. Cabrera, M. Campanelli, M. Campbell, F. Canelli, A. Canepa, D. Carlsmith, R. Carosi, S. Carrillo, S. Carron, B. 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William, P. Wilson, B. L. Winer, P. Wittich, S. Wolber, C. Wolfe, T. Wright, X. Wu, S. M. Wynne, A. Yagil, K. Yamamoto, J. Yamaoka, T. Yamashita, C. Yang, U. K. Yang, Y. C. Yang, W. M. Yao, G. P. Yeh, J. Yoh, K. Yorita, T. Yoshida, G. B. Yu, I. Yu, S. S. Yu, J. C. Yun, L. Zanello, A. Zanetti, I. Zaw, X. Zhang, Y. Zheng, and S. Zucchelli
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High Energy Physics::Phenomenology ,_ ,High Energy Physics::Experiment - Abstract
We present the results of a search for pair production of a new heavy toplike quark t′ decaying to a W boson and another quark using the Collider Detector at FermilabII detector in runII of the Tevatron pp̄ collider. Using a data sample corresponding to 760pb-1 of integrated luminosity, we fit the observed spectrum of total transverse energy and reconstructed t′ quark mass to a combination of standard model processes and t′ pair production. We see no evidence for t′t̄′ production, and we infer a lower limit of 256GeV/c2 on the mass of the t′ at 95% C.L. assuming standard strong couplings for the t′
- Published
- 2008
50. First Flavor-Tagged Determination of Bounds on Mixing-Induced CP Violation in B0(s) ---> J/psi phi Decays
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T. AALTONEN, HELSINKI I.N.S.T. OF PHYS, J. ADELMAN, CHICAGO U, EFI, T. AKIMOTO, TSUKUBA U, M. G. ALBROW, FERMILAB, B. ALVAREZ GONZALEZ, CANTABRIA U, SANTANDER, S. AMERIO, PADUA U, D. AMIDEI, MICHIGAN U, A. ANASTASSOV, RUTGERS U, PISCATAWAY, A. ANNOVI, FRASCATI, J. ANTOS, COMENIUS U, M. AOKI, ILLINOIS U, URBANA, G. APOLLINARI, A. APRESYAN, PURDUE U, T. ARISAWA, WASEDA U, A. ARTIKOV, DUBNA, JINR, W. ASHMANSKAS, A. ATTAL, BARCELONA, IFAE, A. AURISANO, TEXAS A. M, F. AZFAR, OXFORD U, P. AZZI BACCHETTA, P. AZZURRI, PISA U, N. BACCHETTA, W. BADGETT, A. BARBARO GALTIERI, LBL, BERKELEY, V. E. BARNES, B. A. BARNETT, JOHNS HOPKINS U, S. BAROIANT, UC, DAVIS, V. BARTSCH, UNIVERSITY C.O.L.L. LONDON, G. BAUER, MIT, P. H. BEAUCHEMIN, MCGILL U, F. BEDESCHI, P. BEDNAR, S. BEHARI, G. BELLETTINI, J. BELLINGER, WISCONSIN U, MADISON, A. BELLONI, HARVARD U, D. BENJAMIN, DUKE U, A. BERETVAS, J. BERINGER, T. BERRY, LIVERPOOL U, A. BHATTI, ROCKEFELLER U, M. BINKLEY, D. BISELLO, ILIJA BIZJAK, R. E. 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KAMON, D. KAR, P. E. KARCHIN, Y. KATO, OSAKA CITY U, R. KEPHART, U. KERZEL, V. KHOTILOVICH, B. KILMINSTER, D. H. KIM, H. S. KIM, J. E. KIM, M. J. KIM, S. B. KIM, S. H. KIM, Y. K. KIM, N. KIMURA, L. KIRSCH, S. KLIMENKO, M. KLUTE, B. KNUTESON, B. R. KO, S. A. KOAY, K. KONDO, D. J. KONG, J. KONIGSBERG, A. KORYTOV, A. V. KOTWAL, J. KRAUS, M. KREPS, J. KROLL, N. KRUMNACK, M. KRUSE, V. KRUTELYOV, T. KUBO, S. E. KUHLMANN, T. KUHR, N. P. KULKARNI, Y. KUSAKABE, S. KWANG, A. T. LAASANEN, L. LABARGA, S. LAI, S. LAMI, S. LAMMEL, M. LANCASTER, R. L. LANDER, K. LANNON, A. LATH, G. LATINO, I. LAZZIZZERA, T. LECOMPTE, J. LEE, Y. J. LEE, S. W. LEE, R. LEFEVRE, N. LEONARDO, S. LEONE, S. LEVY, J. D. LEWIS, C. LIN, C. S. LIN, J. LINACRE, M. LINDGREN, E. LIPELES, A. LISTER, D. O. LITVINTSEV, C. LIU, T. LIU, N. S. LOCKYER, A. LOGINOV, M. LORETI, L. LOVAS, R. S. LU, D. LUCCHESI, J. LUECK, C. LUCI, P. LUJAN, P. LUKENS, G. LUNGU, L. LYONS, J. LYS, R. LYSAK, E. LYTKEN, P. MACK, D. MACQUEEN, R. MADRAK, K. 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- 2008
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