Elsevier

Physics Letters B

Volume 355, Issues 1–2, 27 July 1995, Pages 425-432
Physics Letters B

Coupled channel analysis of pp annihilation into π0π0π0, π0ηη and π0π0η

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Abstract

We confirm the existence of the two IG(JPC) = 0+(0++) resonances f0(1370) and f0(1500) reported by us in earlier analyses. The analysis presented here couples the final states π0π0π0, π0π0η and π0ηη of pp annihilation at rest. It is based on a 3 × 3 K-matrix. We find masses and widths of M = (1390±30) MeV, Γ = (380±80) MeV; and M = (1500±10) MeV, Γ = (154 ± 30) MeV, respectively. The product branching ratios for the production and decay into π0π0 and ηη of the f0(1500) are (1.27 ± 0.33) · 10−3 and (0.60 ± 0.17) · 10−3, respectively.

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  • Cited by (0)

    1

    Now at William & Mary College, Williamsburg, USA.

    2

    Now at Universität Dresden, Dresden, Germany.

    3

    Now at BNL, Upton, New York, USA.

    4

    University of Ljubljana, Ljubljana, Slovenia.

    5

    University of Silesia, Katowice, Poland.

    6

    Now at Universität Freiburg, Freiburg, Germany.

    7

    Now at CRPP, Ottawa, Canada.

    8

    Now at Max Planck Institute, München, Germany.

    9

    This work is part of the Ph.D. thesis of S. Spanier.

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