English

Measurement of the $\pi^-$ decay width of $^5_\Lambda$He

Nuclear Experiment 2009-11-10 v1

Abstract

We have precisely measured Λpπ\Lambda \to p\pi^- decay width of \5LHe and demonstrated significantly larger α\alpha -Λ\Lambda overlap than expected from the central repulsion α\alpha-Λ\Lambda potential, which is derived from YNG \Lambda$-nucleon interaction.

Cite

@article{arxiv.nucl-ex/0402023,
  title  = {Measurement of the $\pi^-$ decay width of $^5_\Lambda$He},
  author = {S. Kameoka and S. Ajimura and K. Aoki and A. Banu and H. C. Bhang and T. Fukuda and O. Hashimoto and J. I. Hwang and B. H. Kang and E. H. Kim and J. H. Kim and M. J. Kim and T. Maruta and Y. Miura and Y. Miyake and T. Nagae and M. Nakamura and S. N. Nakamura and H. Noumi and S. Okada and Y. Okayasu and H. Outa and H. Park and P. K. Saha and Y. Sato and M. Sekimoto and T. Takahashi and H. Tamura and K. Tanida and A. Toyoda and K. Tsukada and T. Watanabe and H. J. Yim},
  journal= {arXiv preprint arXiv:nucl-ex/0402023},
  year   = {2009}
}

Comments

4 pages, 3 figures