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Hunting a hidden hadron: Is there a scalar glueball below 1 GeV?

Hunting a hidden hadron: Is there a scalar glueball below 1 GeV? The answer to the question in the title is "probably not." But if there is, it must either lie above 600 MeV with a width less than 2 MeV or it must lie near 650 MeV and conspire with a Q 2 Q ― 2 state to appear very narrow in π - π scattering. It should be hunted by studying the π π spectrum in ϒ ′ ′ → ϒ π π or J ψ → φ π π . http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Hunting a hidden hadron: Is there a scalar glueball below 1 GeV?

Sharpe, Stephen R
Physical Review D , Volume 30 (5) – Sep 1, 1984
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Publisher
American Physical Society (APS)
Copyright
Copyright © 1984 The American Physical Society
ISSN
1089-4918
DOI
10.1103/PhysRevD.30.1013
Publisher site
See Article on Publisher Site

Abstract

The answer to the question in the title is "probably not." But if there is, it must either lie above 600 MeV with a width less than 2 MeV or it must lie near 650 MeV and conspire with a Q 2 Q ― 2 state to appear very narrow in π - π scattering. It should be hunted by studying the π π spectrum in ϒ ′ ′ → ϒ π π or J ψ → φ π π .

Journal

Physical Review D – American Physical Society (APS)

Published: Sep 1, 1984

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