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Full text not available from this repository. (Request a copy)Abstract
Hadron multiplicities in semi-inclusive deep-inelastic scattering were measured on neon, krypton, and xenon targets relative to deuterium at an electron(positron)-beam energy of 27.6 GeV at HERMES. These ratios were determined as a function of the virtual-photon energy v, its virtuality Q(2), the fractional hadron energy z and the transverse hadron momentum with respect to the virtual-photon direction p(t). Dependences were analysed separately for positively and negatively charged pions and kaons as well as protons and antiprotons in a two-dimensional representation. Compared to the one-dimensional dependences, some new features were observed. In particular, when z > 0.4 positive kaons do not show the strong monotonic rise of the multiplicity ratio with v as exhibited by pions and negative kaons. Protons were found to behave very differently from the other hadrons.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | DEEP-INELASTIC SCATTERING; LARGE TRANSVERSE-MOMENTUM; PARTON ENERGY-LOSS; HADRON FORMATION; ELECTROMAGNETIC CORRECTIONS; MATTER; HERMES; FRAGMENTATION; ATTENUATION; COLLISIONS; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 02 Jun 2020 05:11 |
| Last Modified: | 02 Jun 2020 05:11 |
| URI: | https://pred.uni-regensburg.de/id/eprint/20218 |
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