Observation of the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mrow><msub><mrow><mi>Y</mi></mrow><mrow><mn>1</mn></mrow></msub></mrow></mrow><mrow><mo>*</mo></mrow></msup></mrow><mn></mn><mo>(</mo><mn>1480</mn><mo>)</mo><mn></mn></math> in the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mo>(</mo><mi>Σ</mi><mi>π</mi><mo>)</mo></mrow><mrow><mo>+</mo></mrow></msup></mrow></math> AND (<math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>p</mi><mrow><msup><mover><mrow><mi>K</mi></mrow><mrow><mi>¯</mi></mrow></mover><mrow><mn>0</mn></mrow></msup></mrow></math>) Systems: Comments on Spin and SU(3) Multiplet Assignment

Yu-Li Pan; Fred L. Forman

doi:10.1103/PhysRevLett.23.808

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Observation of the ${Y_{1}}^{*} (1480)$ in the ${(Σ π)}^{+}$ AND ( $p {\bar{K}}^{0}$ ) Systems: Comments on Spin and SU(3) Multiplet Assignment

Yu-Li Pan and Fred L. Forman^*

University of Pennsylvania, Philadelphia, Pennsylvania

^*National Science Foundation Predoctoral Fellow.

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Phys. Rev. Lett. 23, 808 – Published 6 October, 1969

DOI: https://doi.org/10.1103/PhysRevLett.23.808

Abstract

We have recently reported the observation of a resonance in the $Λ π^{+}$ system at 1480 MeV. We have observed this same resonance decaying into the ${(Σ π)}^{+}$ and ( $p {\bar{K}}^{0}$ ) channels. The mass, width, and branching ratios for this resonance are presented. We comment on the spin of the ${Y_{1}}^{*} (1480)$ and its possible SU(3) multiplet assignment.

References (5)

Y.-L. Pan and F. L. Forman, preceding Letter [Phys. Rev. Letters 23, 806 (1969)]
Y.-L. Pan and F. L. Forman, "A Study of the Reaction $π^{+} p \to {Y_{1}}^{*} {(1385)}^{+} K^{+}$ " (to be published)
R. Gatto, Phys. Rev. 109, 610 (1958) N. Byers and H. Burkhardt, 121, 281 (1961)
C. Lovelace, in Proceedings of the International Conference on Elementary Particles, Heidelberg, Germany, 1967, edited by H. Filthuth (North-Holland Publishing Company, Amsterdam, The Netherlands, 1968), p. 79
G. Goldhaber, in Proceedings of the Fourth Coral Gables Conference on Symmetry Principles at High Energy, University of Miami, January, 1967, edited by A. Perlmutter and B. Kurşunoğlu (W. H. Freeman & Company, San Francisco, Calif., 1967) University of California, Lawrence Radiation Laboratory Report No. UCRL 17388 (unpublished)

[c1] Y.-L. Pan and F. L. Forman, preceding Letter [Phys. Rev. Letters 23, 806 (1969)]

[c2] Y.-L. Pan and F. L. Forman, "A Study of the Reaction $π^{+} p \to {Y_{1}}^{*} {(1385)}^{+} K^{+}$ " (to be published)

[c3] R. Gatto, Phys. Rev. 109, 610 (1958) N. Byers and H. Burkhardt, 121, 281 (1961)

[c4] C. Lovelace, in Proceedings of the International Conference on Elementary Particles, Heidelberg, Germany, 1967, edited by H. Filthuth (North-Holland Publishing Company, Amsterdam, The Netherlands, 1968), p. 79

[c5] G. Goldhaber, in Proceedings of the Fourth Coral Gables Conference on Symmetry Principles at High Energy, University of Miami, January, 1967, edited by A. Perlmutter and B. Kurşunoğlu (W. H. Freeman & Company, San Francisco, Calif., 1967) University of California, Lawrence Radiation Laboratory Report No. UCRL 17388 (unpublished)

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Observation of the ${Y_{1}}^{*} (1480)$ in the ${(Σ π)}^{+}$ AND ( $p {\bar{K}}^{0}$ ) Systems: Comments on Spin and SU(3) Multiplet Assignment

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Observation of the Y1*(1480) in the (Σπ)+ AND (pK¯0) Systems: Comments on Spin and SU(3) Multiplet Assignment

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References (5)

Observation of the ${Y_{1}}^{*} (1480)$ in the ${(Σ π)}^{+}$ AND ( $p {\bar{K}}^{0}$ ) Systems: Comments on Spin and SU(3) Multiplet Assignment