A method to polarize stored antiprotons to a high degree -: art. no. 014801

被引：66

作者：

Rathmann, F ^{[1
]}

Lenisa, P

Steffens, E

Contalbrigo, M

Dalpiaz, PF

Kacharava, A

Lehrach, A

Lorentz, B

Maier, R

Prasuhn, D

Ströher, H

机构：

[1] Forschungzentrum Julich, Inst Kernphys, D-52428 Julich, Germany

[2] Univ Ferrara, I-44100 Ferrara, Italy

[3] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy

[4] Univ Erlangen Nurnberg, Inst Phys 2, D-91058 Erlangen, Germany

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 94卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.94.014801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Polarized antiprotons can be produced in a storage ring by spin-dependent interaction in a purely electron-polarized hydrogen gas target. The polarizing process is based on spin transfer from the polarized electrons of the target atoms to the orbiting antiprotons. After spin filtering for about two beam lifetimes at energies Tapproximate to40-170 MeV using a dedicated large acceptance ring, the antiproton beam polarization would reach P=0.2-0.4. Polarized antiprotons would open new and unique research opportunities for spin-physics experiments in (p) over barp interactions.

引用

页数：4

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