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Beam-induced nuclear depolarization in a gaseous polarized-hydrogen target

Ackerstaff, K. and Airapetian, A. and Akopov, N. and Amarian, M. and Aschenauer, E. C. and Avakian, H. and Avakian, R. and Avetissian, A. and Bains, B. and Baumgarten, C. and Beckmann, M. and Belostotski, St. and Belz, J. E. and Benisch, Th. and Bernreuther, S. and Bianchi, N. and Blouw, J. and Böttcher, H. and Borissov, A. and Brack, J. and Brauksiepe, S. and Braun, B. and Bray, B. and Brons, St. and Brückner, W. and Brüll, A. and Bruins, E. E. W. and Bulten, H. J. and Cadman, R. V. and Capitani, G. P. and Carter, P. and Chumney, P. and Cisbani, E. and Court, G. R. and Dalpiaz, P. F. and De Sanctis, E. and De Schepper, D. and Devitsin, E. and de Witt Huberts, P. K. A. and Di Nezza, P. and Düren, M. and Dvoredsky, A. and Elbakian, G. and Fantoni, A. and Fechtchenko, A. and Ferstl, M. and Fick, D. and Fiedler, K. and Filippone, B. W. and Fischer, H. and Fox, B. and Franz, J. and Frabetti, S. and Frullani, S. and Funk, M.-A. and Gagunashvili, N. D. and Gao, H. and Gärber, Y. and Garibaldi, F. and Gavrilov, G. and Geiger, P. and Gharibyan, V. and Giordjian, V. and Golendukhin, A. and Graw, G. and Grebeniouk, O. and Green, P. W. and Greeniaus, L. G. and Grosshauser, C. and Gute, A. and Haeberli, W. and Hansen, J.-O. and Hasch, D. and Häusser, O. and Henderson, R. and Henkes, Th. and Henoch, M. and Hertenberger, R. and Holler, Y. and Holt, R. J. and Hoprich, W. and Ihssen, H. and Iodice, M. and Izotov, A. and Jackson, H. E. and Jgoun, A. and Kaiser, R. and Kinney, E. and Kisselev, A. and Kitching, P. and Kobayashi, H. and Koch, N. and Königsmann, K. and Kolstein, M. and Kolster, H. and Korotkov, V. and Korsch, W. and Kozlov, V. and Kramer, L. H. and Krivokhijine, V. G. and Kyle, G. and Lachnit, W. and Lorenzon, W. and Makins, N. C. R. and Manaenkov, S. I. and Martens, F. K. and Martin, J. W. and Masoli, F. and Mateos, A. and McAndrew, M. and McIlhany, K. and McKeown, R. D. and Meissner, F. and Metz, A. and Meyners, N. and Mikloukho, O. and Miller, C. A. and Miller, M. A. and Milner, R. and Mitsyn, V. and Most, A. and Mozzetti, R. and Muccifora, V. and Nagaitsev, A. and Naryshkin, Y. and Nathan, A. M. and Neunreither, F. and Niczyporuk, M. and Nowak, W.-D. and Nupieri, M. and Ogami, H. and O'Neill, T. G. and Owen, B. R. and Papavassiliou, V. and Pate, S. F. and Pitt, M. and Potashov, S. and Potterveld, D. H. and Rakness, G. and Reali, A. and Redwine, R. and Reolon, A. R. and Ristinen, R. and Rith, K. and Roloff, H. and Rossi, P. and Rudnitsky, S. and Ruh, M. and Ryckbosch, D. and Sakemi, Y. and Savin, I. and Schmidt, F. and Schmitt, H. and Schnell, G. and Schüler, K. P. and Schwind, A. and Shibata, T.-A. and Shin, T. and Shutov, V. and Simani, C. and Simon, A. and Sinram, K. and Slavich, P. and Sowinski, J. and Spengos, M. and Steffens, E. and Stenger, J. and Stewart, J. and Stock, F. and Stoesslein, U. and Sutter, M. and Tallini, H. and Taroian, S. and Terkulov, A. and Tipton, B. and Tytgat, M. and Urciuoli, G. M. and van Hunen, J. J. and van de Vyver, R. and van den Brand, J. F. J. and van der Steenhoven, G. and Vetterli, M. C. and Vincter, M. and Volk, E. and Wander, W. and Williamson, S. E. and Wise, T. and Woller, K. and Yoneyama, S. and Zapfe-Düren, K. and Zohrabian, H. (1999) Beam-induced nuclear depolarization in a gaseous polarized-hydrogen target. Physical Review Letters, 82 (6). pp. 1164-1168. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:ACKprl99a

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Abstract

Spin-polarized atomic hydrogen is used as a gaseous polarized-proton target in high-energy and nuclear-physics experiments operating with internal beams in storage rings. When such beams are intense and bunched, this type of target can be depolarized by a resonant interaction with the transient magnetic field generated by the beam bunches. This effect has been studied with the HERA positron beam in the HERMES experiment at DESY. Resonances have been observed and a simple analytic model has been used to explain their shape and position. Operating conditions for the experiment have been found where there is no significant target depolarization due to this effect.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.82.1164DOIUNSPECIFIED
http://link.aps.org/doi/10.1103/PhysRevLett.82.1164PublisherUNSPECIFIED
Additional Information:© 1999 American Physical Society. Received 4 June 1998. We gratefully acknowledge the DESY management for its support, the DESY staff and the staffs of the collaborating institutions for their significant effort, and our funding agencies for financial support.
Record Number:CaltechAUTHORS:ACKprl99a
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ACKprl99a
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:13151
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:29 Jan 2009 02:31
Last Modified:26 Dec 2012 10:45

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