About   Contents   Introduction   Synopsis   Search   Subject Index   Summaries   Texts

CONNOLLY 1963

Connolly, P.L.; Hart, E.L.; Lai, K.W.; London, G.W.; Moneti, G.C.; Rau, R.R.; Samios, N.P.; Skillicorn, I.O.; Yamamoto, S.S.; Goldberg, M.; Grundzik, M.; Leitner, J.; Lichtman, S.;
Existence and Properties of the Meson
Phys. Rev. Lett. 10 (1963) 371;

Reprinted in
R. N. Cahn and G. Goldhaber, The Experimental Foundations of Particle Physics, Cambridge Univ. Press (1991) 141.

Summary
In a previous publication (L. Bertanza et al., Phys. Rev. Lett. 9 (1962) 180) we reported evidence for the existence of a resonance in the K (which we shall call the PHI meson) with a mass of ~ 1020 and a width < 20 MeV. The purpose of this Letter is to report additional data, the analysis of which confirms the existence of the resonance and provides a conclusive determination of the mass, width, parity, spin, isospin, and branching ratios of this resonance. In particular we find M = 1019 ± 1 MeV, = 1⁺²_-1 (with > 0), parity (P) = -1, spin (J) = 1, isotopic spin (I) = 0, and charge conjugation (C) = -1. The vector nature of the PHI clearly establishes that it is not related to the mass enhancement in the K₁ K₁ system observed by other groups. (Extracted from the introductory part of the paper.).

Accelerator BNL Detectors HBC-20IN

Related references
More (earlier) information appears in
L. Bertanza et al., Phys. Rev. Lett. 9 (1962) 180;
See also
A. R. Erwin et al., Phys. Rev. Lett. 9 (1962) 34;
S. Okubo, Progr. of Theor. Phys. 27 (1962) 949;
J. J. Sakurai, Ann.Phys. 11 (1960) 1;
J. J. Sakurai, Phys. Rev. Lett. 7 (1961) 335;
G. F. Chew and S. C. Frautschi, Phys. Rev. Lett. 8 (1962) 41;
G. Alexander et al., Phys. Rev. Lett. 9 (1962) 460;
M. Goldhaber, T. D. Lee, and C. N. Yang, Phys. Rev. 112 (1958) 1796;
L. Bertanza et al., Phys. Rev. Lett. 10 (1963) 176;
M. Gell-Mann, Phys. Rev. 125 (1962) 1067;
Analyse data from
J. J. Sakurai, Phys. Rev. Lett. 9 (1962) 472;
P. Schlein et al., Phys. Rev. Lett. 10 (1963) 368;

Reactions

	K– p + o –	2.23 GeV (Plab)	mass, angp, ang
	K– p + –	2.23 GeV (Plab)	mass, angp, ang
	K– p K+ K–	2.23 GeV (Plab)	mass, angp, ang
	K– p Ko o	2.23 GeV (Plab)	mass, angp, ang
	K– p KS KL	2.23 GeV (Plab)	mass, angp, ang
	K– p	2.23 GeV (Plab)
	K+ K–
	KS KL
	nonres < + o – >

Particles studied

mass, w, pw, qn

Record comments
Firm establishment of the meson.

New Comments List of Comments About   Contents   Introduction   Synopsis   Search   Subject Index   Summaries   Texts