INFN - LABORATORI NAZIONALI DI FRASCATI


SEMINAR

 
Wednesday, May 21st - h. 15:00

Auditorium B. Touschek
    

G. Lolos
Univ. of Regina, Canada

 


Partial Width of the eta --> pi0 gamma gamma decay
with the Crystal

 
  Abstract

 
The eta --> pi0 gamma gamma rare decay was observed in experiment E927 at AGS, using the Crystal Ball photon spectometer, and its partial width was determined to be 0.32  +- 0.11 +- 0.10 eV, based on the analysis of 3  107 detected eta mesons.  This value is lower than past measurements and is in line with Chiral Perturbation Theory calculations.


 

 


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MCD, 7/5/2003