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Analyzing Power Measurement for p-\(^3\)He Elastic Scattering at Intermediate Energies

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Abstract

We present a precise measurement of \(^3\)He analyzing powers for p-\(^3\)He elastic scattering with the polarized \(^3\)He target at 50, 65, 70, and 100 MeV. The data at 65 and 70 MeV are compared with the theoretical predictions based on the modern nucleon-nucleon potentials. Large discrepancies between the data and the predictions are clearly seen at the angles where the \(^3\)He analyzing power takes the minimum and maximum values, which are not explained by \(\varDelta \)-isobar effects.

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Acknowledgements

We acknowledge the CYRIC and RCNP accelerator groups and the RANS team for their excellent work in providing high quality beams. This work was supported financially in part by JSPS KAKENHI Grants No. JP25105502, No. JP16H02171, and No. JP18H05404.

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Watanabe, A., Nakai, S., Wada, Y. et al. Analyzing Power Measurement for p-\(^3\)He Elastic Scattering at Intermediate Energies. Few-Body Syst 62, 112 (2021). https://doi.org/10.1007/s00601-021-01694-1

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  • DOI: https://doi.org/10.1007/s00601-021-01694-1

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