Single Spin Asymmetry in High Pt Charged Hadron Production off Nuclei at 40 GeV
V. V. Abramov, P. I. Goncharov, A. Yu. Kalinin, A. V. Khmelnikov, A., V. Korablev, Yu .P. Korneev, A. V. Kostritsky, A. N. Krinitsyn, V. I., Kryshkin, A. A. Markov, V. V. Talov, L. K. Turchanovich, A. A. Volkov
TL;DR
This paper reports measurements of single transverse spin asymmetries in high transverse momentum charged hadron production off nuclei at 40 GeV, comparing nuclear and proton targets to understand nuclear effects.
Contribution
It provides new experimental data on spin asymmetries in pC and pCu interactions at 40 GeV, extending previous proton target measurements and comparing nuclear effects.
Findings
Observed non-zero asymmetries in nuclear targets
Compared nuclear and proton target asymmetries
Extended the kinematic range of previous measurements
Abstract
The single transverse spin asymmetry data for the charged hadron production in pC and pCu interactions are presented. The measurements have been performed at FODS-2 experimental setup using 40 GeV/c IHEP polarized proton beam. The hadron transverse momentum range is from 0.5 GeV/c up to 4 GeV/c. The data obtained off the nuclear targets are compared with the proton target data measured earlier with the same experimental setup and with the data of other experiments.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Nuclear physics research studies · High-Energy Particle Collisions Research