The 12C and 208Pb(p,2He) reactions at 390.6 MeV and the deeply bound pionic states

N. Matsuoka; Tetsuo Noro; K. Tamura; M. Yoshimura; M. Yosoi; A. Okihana; T. Yoshimura

The ¹²C and ²⁰⁸Pb(p,²He) reactions at 390.6 MeV and the deeply bound pionic states

N. Matsuoka, Tetsuo Noro, K. Tamura, M. Yoshimura, M. Yosoi, A. Okihana, T. Yoshimura

Experimental Particle Physics

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1 Citation (Scopus)

Abstract

The spectra for the ¹²C and ²⁰⁸Pb(p,²He) reactions near the threshold for free π^- production have been measured at 0° with a 390.6 MeV proton beam. The spectrum for ¹²C shows no signature of pionic bound states, and is explained to be composed of a flat continuum and the contribution of the quasi-free π^- production process. For ²⁰⁸Pb, the spectrum shows contributions from π^- bound states in addition to the quasi-free process. Preliminary results of the cross sections are obtained for the elementary processes of pion production in the (p,²He) reaction.

Original language	English
Pages (from-to)	299-307
Number of pages	9
Journal	Hyperfine Interactions
Volume	103
Issue number	1-4
Publication status	Published - Dec 1 1996

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Condensed Matter Physics
Physical and Theoretical Chemistry

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title = "The 12C and 208Pb(p,2He) reactions at 390.6 MeV and the deeply bound pionic states",

abstract = "The spectra for the 12C and 208Pb(p,2He) reactions near the threshold for free π- production have been measured at 0° with a 390.6 MeV proton beam. The spectrum for 12C shows no signature of pionic bound states, and is explained to be composed of a flat continuum and the contribution of the quasi-free π- production process. For 208Pb, the spectrum shows contributions from π- bound states in addition to the quasi-free process. Preliminary results of the cross sections are obtained for the elementary processes of pion production in the (p,2He) reaction.",

author = "N. Matsuoka and Tetsuo Noro and K. Tamura and M. Yoshimura and M. Yosoi and A. Okihana and T. Yoshimura",

year = "1996",

month = dec,

day = "1",

language = "English",

volume = "103",

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T1 - The 12C and 208Pb(p,2He) reactions at 390.6 MeV and the deeply bound pionic states

AU - Matsuoka, N.

AU - Noro, Tetsuo

AU - Tamura, K.

AU - Yoshimura, M.

AU - Yosoi, M.

AU - Okihana, A.

AU - Yoshimura, T.

PY - 1996/12/1

Y1 - 1996/12/1

N2 - The spectra for the 12C and 208Pb(p,2He) reactions near the threshold for free π- production have been measured at 0° with a 390.6 MeV proton beam. The spectrum for 12C shows no signature of pionic bound states, and is explained to be composed of a flat continuum and the contribution of the quasi-free π- production process. For 208Pb, the spectrum shows contributions from π- bound states in addition to the quasi-free process. Preliminary results of the cross sections are obtained for the elementary processes of pion production in the (p,2He) reaction.

AB - The spectra for the 12C and 208Pb(p,2He) reactions near the threshold for free π- production have been measured at 0° with a 390.6 MeV proton beam. The spectrum for 12C shows no signature of pionic bound states, and is explained to be composed of a flat continuum and the contribution of the quasi-free π- production process. For 208Pb, the spectrum shows contributions from π- bound states in addition to the quasi-free process. Preliminary results of the cross sections are obtained for the elementary processes of pion production in the (p,2He) reaction.

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M3 - Article

AN - SCOPUS:27144456853

VL - 103

SP - 299

EP - 307

JO - Hyperfine Interactions

JF - Hyperfine Interactions

SN - 0304-3843

IS - 1-4

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