The HERMES Spectrometer

K. Ackerstaff, A. Airapetian, N. Akopov, M. Amarian, V. Andreev, E. C. Aschenauer, R. Avakian, H. Avakian, A. Avetissian, B. Bains, S. Barrow, W. Beckhusen, M. Beckmann, S. Belostotski, E. Belz, T. Benisch, S. Bernreuther, N. Bianchi, J. Blouw, H. BöttcherA. Borissov, J. Brack, B. Braun, B. Bray, S. Brons, W. Brückner, A. Brüll, H. J. Bulten, G. P. Capitani, P. Carter, P. Chumney, E. Cisbani, S. Clark, S. Colilli, H. Coombes, G. R. Court, P. Delheij, E. Devitsin, C. W. de Jager, E. de Sanctis, D. de Schepper, P. K.A. de Witt Huberts, P. di Nezza, M. Doetse, M. Düren, A. Dvoredsky, G. Elbakian, J. Emerson, A. Fantoni, A. Fechtchenko, M. Ferstl, D. Fick, K. Fiedler, B. W. Filippone, H. Fischer, H. T. Fortune, J. Franz, S. Frullani, M. A. Funk, N. D. Gagunashvili, P. Galumian, H. Gao, Y. Gärber, F. Garibaldi, G. Gavrilov, P. Geiger, V. Gharibyan, V. Giordjian, F. Giuliani, A. Golendoukhin, B. Grabowski, G. Graw, O. Grebeniouk, P. Green, G. Greeniaus, M. Gricia, C. Grosshauser, A. Gute, J. P. Haas, K. Hakelberg, W. Haeberliq, J. O. Hansen, D. Hasch, O. Hausse, R. Henderson, T. Henkes, R. Hertenbergern, Y. Holler, R. J. Holt, H. Ihssen, A. Izotov, M. Iodice, H. E. Jackson, A. Jgoun, C. Jones, R. Kaise, J. Kelsey, E. Kinney, M. Kirsch, A. Kisselev, P. Kitching, H. Kobayashi, E. Kok, K. Königsmann, M. Kolsteine, H. Kolster, W. Korsch, S. Kozlov, V. Kozlov, R. Kowalczyk, L. Krame, B. Krause, A. Krivchitch, V. G. Krivokhijine, M. Kueckes, P. Kutt, G. Kyle, W. Lachnit, R. Langstaff, W. Lorenzonh, M. Lucentini, A. Lungo, N. Makins, V. Maleev, S. I. Manaenkov, K. Martens, A. Mateos, K. McIlhany, R. D. McKeown, F. Meißner, F. Menden, D. Mercer, A. Metz, N. Meyners, O. Mikloukho, C. A. Miller, M. A. Miller, R. Milner, V. Mitsyn, G. Modrak, J. Morton, A. Most, R. Mozzetti, V. Muccifora, A. Nagaitsev, Y. Naryshkin, A. M. Nathan, F. Neunreither, M. Niczyporukx, W. D. Nowak, M. Nupieri, P. Oelwein, H. Ogami, T. G. O'Neill, R. Openshaw, V. Papavassiliou, S. F. Pate, S. Patrichev, M. Pitt, H. J. Plett, H. R. Poolman, S. Potashov, D. Potterveld, B. Povh, V. Prahl, G. Rakness, V. Razmyslovich, R. Redwine, A. R. Reolon, R. Ristinen, K. Rith, H. O. Roloff, G. Röper, P. Rossi, S. Rudnitsky, H. Russo, D. Ryckbosch, Y. Sakemi, F. Santavenere, I. Savin, F. Schmidt, H. Schmitti, G. Schnell, K. P. Schüler, A. Schwind, T. A. Shibata, T. Shin, B. Siebels, A. Simon, K. Sinram, W. R. Smythe, J. Sowinski, M. Spengos, K. Sperber, E. Steffens, J. Stenger, J. Stewart, F. Stoc, U. Stößlein, M. Sutter, H. Tallini, S. Taroian, A. Terkulov, D. Thiessen, B. Tipton, V. Trofimov, A. Trudel, M. Tytgat, G. M. Urciuoli, R. van de Vyver, J. F.J. van den Brand, G. van der Steenhoven, J. J. van Hunen, D. van Westrum, A. Vassiliev, M. C. Vetterli, M. G. Vincter, E. Volk, W. Wander, T. P. Welch, S. E. Williamson, T. Wise, G. Wöbke, K. Woller, S. Yoneyama, K. Zapfe-Düren, T. Zeuli, H. Zohrabian

Producción científica: Articlerevisión exhaustiva

349 Citas (Scopus)

Resumen

The HERMES experiment is collecting data on inclusive and semi-inclusive deep inelastic scattering of polarised positrons from polarised targets of H, D, and 3He. These data give information on the spin structure of the nucleon. This paper describes the forward angle spectrometer built for this purpose. The spectrometer includes numerous tracking chambers (micro-strip gas chambers, drift and proportional chambers) in front of and behind a 1.3 T.m magnetic field, as well as an extensive set of detectors for particle identification (a lead-glass calorimeter, a pre-shower detector, a transition radiation detector, and a threshold Cherenkov detector). Two of the main features of the spectrometer are its good acceptance and identification of both positrons and hadrons, in particular pions. These characteristics, together with the purity of the targets, are allowing HERMES to make unique contributions to the understanding of how the spins of the quarks contribute to the spin of the nucleon.

Idioma originalEnglish
Páginas (desde-hasta)230-265
Número de páginas36
PublicaciónNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volumen417
N.º2-3
DOI
EstadoPublished - nov 11 1998

Nota bibliográfica

Funding Information:
This project has been supported by the FWO-Flanders, Belgium; the Natural Sciences and Engineering Council of Canada; the Dutch Foundation for Fundamenteel Onderzoek der Materie (FOM); the German Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie; the German Academic Exchange Service (DAAD); the Italian Istituto Nazionale di Fisica Nucleare (INFN); Monbusho International Scientific Research Program, JSPS, and Toray Science Foundation of Japan; the United Kingdom Particle Physics and Astronomy Research Council; the U.S. Department of Energy and National Science Foundation; and INTAS, HCM, and TMR contributions from the European Community.

Financiación

This project has been supported by the FWO-Flanders, Belgium; the Natural Sciences and Engineering Council of Canada; the Dutch Foundation for Fundamenteel Onderzoek der Materie (FOM); the German Bundesministerium f\u00FCr Bildung, Wissenschaft, Forschung und Technologie; the German Academic Exchange Service (DAAD); the Italian Istituto Nazionale di Fisica Nucleare (INFN); Monbusho International Scientific Research Program, JSPS, and Toray Science Foundation of Japan; the United Kingdom Particle Physics and Astronomy Research Council; the U.S. Department of Energy and National Science Foundation; and INTAS, HCM, and TMR contributions from the European Community.

FinanciadoresNúmero del financiador
Stichting voor Fundamenteel Onderzoek der Materie
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China
Japan Society for the Promotion of Science Fund for the Promotion of Joint International Research
Particle Physics and Astronomy Research Council
Deutscher Akademischer Austauschdienst France
Instituto Nazionale di Fisica Nucleare
Toray Science Foundation of Japan
U.S. Department of Energy Oak Ridge National Laboratory U.S. Department of Energy National Science Foundation National Energy Research Scientific Computing Center
INTAS, Belgium
Natural Sciences and Engineering Research Council of Canada
Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie
FWO-Flanders
Dutch Foundation for Fundamenteel Onderzoek der Materie
Hausdorff Center for Mathematics
Istituto Nazionale di Fisica Nucleare (INFN)

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics
    • Instrumentation

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