Measurement of the Spin-Dependence of the pbar-p Interaction at the AD-Ring

• DOI: 10.48550/arxiv.0904.2325
• Publication Date: 2009-01-01
• Authors: C. Barschel; U. Bechstedt; J. Dietrich; N. Dolfus; R. Engels; R. Gebel; H. Hadamek; J. Haidenbauer; C. Hanhart; A. Kacharava; G. Król; M. Kueven; Georg Langenberg; A. Lehrach; B. Lorentz; Rudolf Maier; S. Martin; Ulf-G. Meißner; M. Nekipelov; N. N. Nikolaev; D. Oellers; G. d'Orsaneo; D. Prasuhn; F. Rathmann; Markus Retzlaff; J. Sarkadi; R. Schleichert; H. Seyfarth; A. Sibirtsev; D. Spoelgen; J. Stein; H. Stockhorst; H. Stroeher; C. Weidemann; D. Welsch; Philipp Wieder; L. Barion; Susanna Bertelli; V. Carassiti; G. Ciullo; M. Contalbrigo; A. Cotta Ramusino; P.F. Dalpiaz; A. Drago; G. Guidoboni; P. Lenisa; L. Pappalardo; G. Stancari; M. Stancari; M. Statera; T. Azarian; A. Kulikov; V. Kurbatov; G. Macharashvili; S. Merzliakov; I. Meshkov; A. Yu. Smirnov; D. Tsirkov; Yu. N. Uzikov; S. Barsov; S. Belostotski; K. Grigoryev; П. Кравцов; M. Mikirtychiants; S. Mikirtychiants; A. Vasilyev; Frank Esser; Ralph Greven; G. Hansen; F. Jadgfeld; F. Klehr; H. Soltner; H. Straatmann; D. Chiladze; A. Garishvili; N. Lomidze; D. Mchedlishvili; M. Nioradze; M. Tabidze; Н. Акопов; A. Avetisyan; G.M. Élbakyan; H. Marukyan; S. Taroian; P. Benati; W. Erven; F. Kayser; H. Kleines; P. Wuestner; D. Bruncko; J. Ferencei; J. Mušinský; J. Urbán; W. Augustyniak; B. Marianski; A. Trzcinski; P. Zupranski; S. Dymov; A. Nass; E. Steffens; Karin Rathsman; P.-E. Tegnér; P. Thoerngren Eng...; R. De Leo; G. Tagliente; B. Kaempfer; S. Trusov; N. Buttimore; H. O. Meyer
• Keywords: Antiproton

We propose to use an internal polarized hydrogen storage cell gas target in the AD ring determine for first time two total spin-dependent pbar-p cross sections sigma_1 and sigma_2 at antiproton beam energies range from 50 450 MeV. The data obtained are of interest by themselves general theory interactions since they will provide a experimental constraint spin-spin dependence nucleon-antinucleon potential energy interest. In addition, measurements polarization buildup stored antiprotons required define optimum parameters future, dedicated Antiproton Polarizer Ring (APR), intended feed double-polarized asymmetric collider with antiprotons. Such machine has recently been proposed PAX collaboration new Facility Ion Research (FAIR) GSI Darmstadt, Germany. availability intense access wealth single- double-spin observables, thereby opening window on QCD spin physics.