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Your search keyword '"C. W. Bogart"' showing total 3 results
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3 results on '"C. W. Bogart"'

1. A measurement of elastic J/ψ photoproduction cross section at Fermilab E687

Author

J. D. Cunningham, James E Wiss, E. Meroni, Gianluca Alimonti, R. W. Gardner, A. E. Kreymer, P. Lebrun, D. J. Harding, F. Leveraro, D. Torretta, Randy Ruchti, Luigi Moroni, M. Di Corato, W. D. Shepard, J. R. Wilson, P. D. Sheldon, D. L. Puseljic, A. Sala, R. J. Mountain, L. Perasso, M. Vittone, M. E. Zanabria, R. Culbertson, M. Enorini, N. M. Cason, C. Castoldi, Sandra Malvezzi, Daniele Pedrini, E. J. Mannel, P. L. Frabetti, Alan D. Lopez, Dario Menasce, S. Park, Marco Giammarchi, F. Davenport, P. Inzani, D. Claes, Gianluigi Boca, A. Zallo, Stefano Bianco, Fabrizio Fabbri, John Perry Cumalat, H. W.K. Cheung, Paolo Vitulo, G. Jaross, J. M. Bishop, D. Buchholz, S. Sala, R. Yoshida, K. Lingel, V. S. Paolone, P. H. Kasper, C. J. Kennedy, B. O'Reilly, P. M. Yager, S. Culy, Stephen A. Gourlay, J. K. Busenitz, A. Spallone, C. W. Bogart, J. N. Butler, H. Mendez, P. H. Garbincius, B. Gobbi, G. Bellini, S. P. Ratti, and I. Gaines

Subjects
Physics, Elastic scattering, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Meson, Model prediction, Nuclear Theory, Elementary particle, J/psi meson, Nuclear physics, Cross section (physics), High Energy Physics::Experiment, Fermilab, Nuclear Experiment
Abstract

Measurements of elastic photoproduction cross sections for the J / ψ meson from 100 GeV to 375 GeV are presented. The results indicate that the cross section increases slowly in this range. The shape of the energy dependence agrees well with the photon-gluon fusion model prediction.

Published
1993

2. Studies of correlations in high energy photoproduction

Author

V. Arena, D. Buccholz, A. Spallone, J. F. Ginkel, R. Yoshida, J. N. Butler, Paolo Vitulo, H. Mendez, Paul Sheldon, J. F. Filasetta, D. J. Harding, S. Sala, B. O'Reilly, F. Leveraro, K. Lingel, J. D. Cunningham, C. J. Kennedy, C. W. Bogart, V. S. Paolone, S. Shukla, James E Wiss, J. S. Kang, G. Jaross, I. Gaines, Willard Johns, P. M. Yager, M. Vittone, P. H. Garbincius, S. Culy, L. Garren, E. Meroni, R. Greene, B. Caccianiga, G. P. Grim, S. Sarwar, Gianluca Alimonti, Senta Greene, K. Y. Kim, A. Zallo, T. F. Lin, Sandra Malvezzi, M. Pisharody, Stephen A. Gourlay, H. W.K. Cheung, James R. Wilson, P. L. Frabetti, J. K. Busenitz, Marco Giammarchi, S. Cihangir, D. Torretta, S. P. Ratti, D. L. Puseljic, A. Sala, Dario Menasce, Alan D. Lopez, B. Gobbi, E. J. Mannel, Gabriele Gianini, Daniele Pedrini, G. Bellini, R. J. Mountain, P. Inzani, L. Perasso, R. Culbertson, D. Claes, T. Handler, P. H. Kasper, W. D. Shephard, Stefano Bianco, Cristina Riccardi, F. Davenport, Z. Y. Wu, Gianluigi Boca, B. G. Cheon, Luigi Moroni, Robert Gardner, Randy Ruchti, J. A. Swiatek, Fabrizio Fabbri, G. N. Kim, A. E. Kreymer, P. Lebrun, M. Di Corato, C. Castoldi, S. Park, N. M. Cason, G. R. Blackett, John Perry Cumalat, L. Cinquini, J. M. Bishop, M. S. Nehring, C. Dallapiccola, and M. E. Zanabria

Subjects
Hadronic decay, Physics, Nuclear and High Energy Physics, High energy, Meson, High Energy Physics::Phenomenology, Nuclear Theory, Spectral line, Nuclear physics, Pair production, Transverse momentum, High Energy Physics::Experiment, Fermilab, Atomic physics, Nuclear Experiment
Abstract

Analysis of data from the Fermilab high energy photoproduction experiment E687 for events containing fully and partially reconstructed pairs of charmed mesons is presented. Correlations from D D pairs are used to study production dynamics.

Published
1993

3. Description and performance of the Fermilab E687 spectrometer

Author

C. J. Kennedy, P. M. Yager, S. Culy, K. Kephart, D. Torretta, D. Buchholz, T. F. Lin, J. F. Ginkel, B. O'Reilly, G. N. Kim, Randy Ruchti, S. Cihangir, G. Molinari, A. E. Kreymer, Stephen A. Gourlay, V. Russo, N. M. Cason, Fabrizio Fabbri, Sandra Malvezzi, Z. Y. Wu, P. L. Frabetti, J. K. Busenitz, H. W.K. Cheung, V. S. Paolone, R. Currier, Dario Menasce, P. Lebrum, M. Diesburg, E. J. Mannel, J. D. Cunningham, R. Diaferia, James R. Wilson, P. Inzan, P. H. Kasper, P.F. Manfredi, J. N. Butler, J. F. Filasetta, M. Di Corato, S. P. Ratti, G. Schultz, L. Passamonti, B. Gobbi, James E Wiss, A. Spallone, P. D. Sheldon, C. Castoldi, E. Meroni, V. Giordano, G. Bellini, R. W. Gardner, Alan D. Lopez, Gianluca Alimonti, Paolo Vitulo, S. Park, F. Leveraro, P. D'Angelo, John Perry Cumalat, C. W. Bogart, Daniel R Claes, A. Cotta-Ramusino, Gianluigi Boca, J. M. Bishop, I. Gaines, H. Mendez, V. Arena, Marco Giammarchi, E. Erdos, P. H. Garbincius, M. E. Zanabria, G. Jaross, K. Lingel, M. Giardoni, Willard Johns, F. Davenport, S. Shukla, Daniele Pedrini, W. D. Shephard, Stefano Bianco, R. Yoshida, Francesco Ragusa, W.R. Cavaletti, M. Vittone, Cristina Riccardi, J. A. Swiatek, C. Dallapiccola, A. Zallo, Luigi Moroni, R. J. Mountain, L. Perasso, R. Culbertson, B. Baumbaugh, D. J. Harding, D. L. Puseljic, A. Sala, Sten Hansen, R. Justice, R. Tiden, and P. Coteus

Subjects
Quark, Physics, Nuclear and High Energy Physics, Particle physics, Spectrometer, Meson, Physics::Instrumentation and Detectors, Tracking (particle physics), Charged particle, Particle identification, Baryon, Nuclear physics, High Energy Physics::Experiment, Charm (quantum number), Nuclear Experiment, Instrumentation
Abstract

The magnetic spectrometer and charged particle tracking system used in Fermilab experiment 687 to study the photoproduction and decay of charm particles are described in detail. The photons are produced by a wideband electron beam which can operate at energies up to 600 GeV/ c . The spectrometer consists of a high resolution silicon microstrip detector, a large aperture dipole magnet, proportional chambers, a second large aperture dipole, and more proportional chambers. Three multi-cell threshold Cherenkov counters provide charged particle identification. The tracking system is capable of resolving the secondary decay vertices of charm and beauty mesons and baryons from the primary interaction vertex. It also determines the invariant mass of the multibody final states of particles containing heavy quarks with excellent resolution. The particle identification system allows one to identify kaons and protons present in these final states clearly. This collection of detectors produces very clean signals for charm particles and permits one to make many cross checks of the apparatus. The performance is illustrated for a variety of charm signals. Of particular interest is a description of the tracking through the silicon microstrip detector and its use in isolating downstream decay vertices. Two complementary approaches to the reconstruction of secondary decay vertices are presented and insight is gained by comparing their strengths and weaknesses.

Published
1992

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