Study of an <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>I</mi><mo>=</mo><mn>0</mn><mn></mn></math></span> <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi>π</mi></mrow><mrow><mo>−</mo></mrow></msup></mrow><mrow><msup><mrow><mi>π</mi></mrow><mrow><mo>+</mo></mrow></msup></mrow></math></span> Resonance at a Mass of 1.06 GeV

D. H. Miller; L. J. Gutay; P. B. Johnson; V. P. Kenney; Z. G. T. Guiragossián

doi:10.1103/PhysRevLett.21.1489

Study of an $I = 0$ $π^{-} π^{+}$ Resonance at a Mass of 1.06 GeV

D. H. Miller and L. J. Gutay

P. B. Johnson and V. P. Kenney

Z. G. T. Guiragossián

Purdue University, Lafayette, Indiana

Notre Dame University, South Bend, Indiana

Stanford Linear Accelerator, Stanford University, Stanford, California

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Phys. Rev. Lett. 21, 1489 – Published 18 November, 1968

DOI: https://doi.org/10.1103/PhysRevLett.21.1489

Abstract

We have observed a resonance in the $π^{-} π^{+}$ final state with $I = 0$ , $M = 1.06 \pm 0.015$ GeV, and $Γ < 0.07$ GeV; our analysis favors $l >~ 2$ . It is produced primarily at a four-momentum transfer squared less than 0.1 Ge $V^{2}$ , and observed most clearly in the region where the cosine of the $π π$ scattering angle is less than -0.75.

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Study of an $I = 0$ $π^{-} π^{+}$ Resonance at a Mass of 1.06 GeV

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Study of an I=0 π−π+ Resonance at a Mass of 1.06 GeV

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Study of an $I = 0$ $π^{-} π^{+}$ Resonance at a Mass of 1.06 GeV