The axial vector resonances, a1 and h1, in the π-p charge exchange reaction

A. Ando, S. Fukui, N. Horikawa, K. Imai, S. Inaba, T. Inagaki, Y. Inagaki, Y. Ishizaki, A. Itano, T. Iwata, S. Kobayashi, M. Kurashina, I. Maeda, K. Maruyama, T. Matsuda, K. Mori, A. Murakami, T. Nakamura, T. Nakanishi, K. OhmiC. Ohmori, H. Okuno, A. Sasaki, T. Sato, J. Shirai, K. Takamatsu, R. Takashima, N. Tamura, T. Tsuru, Y. Yasu

Research output: Contribution to journalArticlepeer-review


A partial-wave analysis based on the isobar model has been carried out for a high statistics π+π-π0 data in the π-p charge exchange reaction in the mass range between 0.88 and 1.44 GeV. Two axial-vector resonances, a1(1260) and h1(1170), were observed in the analysis. The masses and widths of a1 and h1 were determined by fitting the partial-wave amplitude to the Breit Wigner formula at four t' regions.

Original languageEnglish
Pages (from-to)98-102
Number of pages5
JournalNuclear Physics B (Proceedings Supplements)
Issue numberC
Publication statusPublished - 1991 Jun
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics


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