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Full text not available from this repository.Abstract
The Hermes experiment has investigated the tensor spin structure of the deuteron using the 27.6 GeV/c positron beam of DESY HERA. The use of a tensor-polarized deuteron gas target with only a negligible residual vector polarization enabled the first measurement of the tensor asymmetry A(zz)(d) and the tensor structure function b(1)(d) for average values of the Bjorken variable 0.01 << x >< 0.45 and of the negative of the squared four-momentum transfer 0.5 GeV2<< Q(2)>< 5 GeV2. The quantities A(zz)(d) and b(1)(d) are found to be nonzero. The rise of b(1)(d) for decreasing values of x can be interpreted to originate from the same mechanism that leads to nuclear shadowing in unpolarized scattering.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SPIN STRUCTURE FUNCTIONS; POLARIZED DEUTERONS; ELECTRON-SCATTERING; ONE HADRONS; PROTON; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 12 Apr 2021 10:13 |
| Last Modified: | 12 Apr 2021 10:13 |
| URI: | https://pred.uni-regensburg.de/id/eprint/35319 |
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