Analysis of Bose-Einstein correlations in e(+)e(-)-> W+W- events includingfinal state interactions - art. no. 114013

Authors
Biyajima, M Sano, S Osada, T
Citation
M. Biyajima et al., Analysis of Bose-Einstein correlations in e(+)e(-)-> W+W- events includingfinal state interactions - art. no. 114013, PHYS REV D, 5811(11), 1998, pp. 4013
Citations number
19
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW D
ISSN journal
05562821 → ACNP
Volume
5811
Issue
11
Year of publication
1998
Database
ISI
SICI code
0556-2821(199812)5811:11<4013:AOBCIE>2.0.ZU;2-V
Abstract
Recently the DELPHI Collaboration reported new data on Bose-Einstein correl ations (BECs) measured in e(+) e(-) --> W+ W- events. Apparently no enhance ment has been observed. We analyze these data including final state interac tions (FSIs) of both Coulomb and strong (s-wave) origin and find that there is an enhancement in BECs but it is overshadowed by the FSIs which are ext remely important for those events. We find the following values for the siz e of the interaction range beta and the degree of coherence lambda: beta=0. 87+/-0.31 fm and lambda=1.19+/-0.48, respectively. [S0556-2821(98)08721-9].