Experimental Observation of a Heavy Particle $J$

Aubert, J.J.; Becker, U.; Biggs, P.J.; Burger, J.; Chen, M.; Everhart, G.; Goldhagen, P.; Leong, J.; McCorriston, T.; Rhoades, T.G.

doi:10.1103/PhysRevLett.33.1404

Experimental Observation of a Heavy Particle $J$

E598

Collaboration

•

J.J. Aubert
(
- MIT, LNS
)

Nov, 1974

9 pages

Published in:

Phys.Rev.Lett. 33 (1974) 1404-1406

Published: Dec 2, 1974

DOI:

10.1103/PhysRevLett.33.1404

Report number:

COO-3069-271

Experiments:

BNL-E-0598

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Abstract: (APS)

We report the observation of a heavy particle J, with mass m=3.1 GeV and width approximately zero. The observation was made from the reaction p+Be→e++e−+x by measuring the e+e− mass spectrum with a precise pair spectrometer at the Brookhaven National Laboratory's 30-GeV alternating-gradient synchrotron.

Note:

Technical report 96

psi mesons: history
electron light nucleus: inclusive reaction
beryllium
J/psi(3100): hadroproduction
J/psi(3100): leptonic decay
mass spectrum: (positron electron)
J/psi(3100): mass
J/psi(3100): width
magnetic spectrometer: experimental results
Brookhaven PS

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Figures(0)

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Experimental Observation of a Heavy Particle JJJ

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Experimental Observation of a Heavy Particle $J$