The European Physical Journal C

ISSN: 1434-6044 (printed version)
ISSN: 1434-6052 (electronic version)

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Abstract Volume 5 Issue 3 (1998) pp 453-460
DOI 10.1007/s100529800971

experimental physics:
pp elastic scattering polarization transfer $K_{onno}$ and depolarization $D_{onon}$ between 1.94 and 2.80 GeV

C.E. Allgower (1), J. Ball (2)(3), L.S. Barabash (4), M. Beddo (1), Y. Bedfer (2), A. Boutefnouchet (5), J. Bystrický (3), P.-A. Chamouard (2), Ph. Demierre (6), J.-M. Fontaine (2)(3), V. Ghazikhanian (5), D. Grosnick (1), R. Hess (6) (\dagger), Z. Janout (4) (a), Z.F. Janout (6) (b), V.A. Kalinnikov (4), T.E. Kasprzyk (1), Yu.M. Kazarinov (4) (\dagger), B.A. Khachaturov (4), R. Kunne (2) (c), C. Lechanoine-LeLuc (6), F. Lehar (3), A. de Lesquen (3), D. Lopiano (1), M. de Mali (3) (\dagger), V.N. Matafonov (4), I.L. Pisarev (4), A.A. Popov (4), A.N. Prokofiev (7), D. Rapin (6), J.-L. Sans (2) (d), H.M. Spinka (1), Y.A. Usov (4), V.V. Vikhrov (7), B. Vuaridel (6), C.A. Whitten (5), A.A. Zhdanov (7)

(1) Argonne National Laboratory, HEP Division, 9700 South Cass Avenue, Argonne, IL 60439, USA,
(2) Laboratoire National SATURNE, CNRS/IN2P3 and CEA/DSM, CEA/Saclay, 91191 Gif sur Yvette Cedex, France,
(3) DAPNIA, CEA/Saclay, 91191 Gif sur Yvette Cedex, France,
(4) Laboratory of Nuclear Problems, JINR, 141980 Dubna, Moscow Region, Russia,
(5) UCLA, 405 Hilgard Ave., Los Angeles, CA 90024, USA
(6) DPNC, University of Geneva, 24 quai Ernest-Ansermet, 1211 Geneva 4, Switzerland,
(7) Petersburg Nuclear Physics Institute, 188350, Gatchina, Russia

Received: 9 March 1998 / Revised version: 19 May 1998 / Published online: 7 August 1998

Abstract. A polarized proton beam extracted from SATURNE II and the Saclay polarized proton target were used to measure the rescattering observables $K_{onno}$ and $D_{onon}$ at 26 energies from 1.94 to 2.80 GeV and at 0.80 GeV. The beam and target polarizations were oriented vertically and left-right as well as up-down asymmetries in the second scattering on carbon were measured. The present data, obtained in small energy steps, are practically constant as a function of energy at 90° CM, where $K_{onno} = D_{onon}$. These data will bring about important modification to phase shifts and stabilize the solutions.

(\dagger) Deceased
(a) Present address: Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University, Brehová 7, 11519 Prague 1, Czech Republic
(b) Present address: Computing Center of the Czech Technical University, Zikova 4, 16635 Prague 6, Czech Republic
(\dagger) Deceased
(c) Present address:Institut de Physique Nucléaire IN2P3, 91400 Orsay, France
(\dagger) Deceased
(d) Present address:Centrale Themis, F-66121 Targasonne, France

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Online publication: September 24, 1998
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