Published May 1988 | Version v1
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Υ → Υ π π decay: a challenge for heavy quark dynamics not π π physics

Creators

  • 1. Rutherford Appleton Lab., Chilton (UK)
  • 2. Brookhaven National Lab., Upton, NY (USA)

Description

The distinctive π π spectrum observed in Υ → Υ π π decay has been ascribed by various authors to the presence of a low mass σ-resonance. Such an explanation is shown to have unacceptable consequences. (author)

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Additional details

Publishing Information

Imprint Pagination
7 p.
Report number
RAL--88-046

INIS

Country of Publication
United Kingdom
Country of Input or Organization
United Kingdom
INIS RN
19090966
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
CROSS SECTIONS; DECAY; MESONS; PION DETECTION; QUARKS; SPECTROSCOPY; STRONG INTERACTIONS; UNITARITY
Descriptors DEC
BASIC INTERACTIONS; BOSONS; DETECTION; ELEMENTARY PARTICLES; FERMIONS; HADRONS; INTERACTIONS; POSTULATED PARTICLES; RADIATION DETECTION