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Bose-Einstein Correlations in One and Two Dimensions in Deep Inelastic Scattering
Authors
P. Antonioli
G. Bari
+29 more
M. Basile
L. Bellagamba
D. Boscherini
A. Bruni
G. Bruni
G. Cara Romeo
S. Chekanov
L. Cifarelli
F. Cindolo
A. Contin
M. Corradi
S. De Pasquale
M. Derrick
P. Giusti
G. Iacobucci
D. Krakauer
J. H. Loizides
S. Magill
A. Margotti
Margarita C. K. Mattingly
S. Miglioranzi
A. Montanari
B. Musgrave
R. Nania
F. Palmonari
A. Pesci
J. Repond
G. Sartorelli
R. Yoshida
Publication date
18 March 2004
Publisher
Digital Commons @ Andrews University
Abstract
Bose-Einstein correlations in one and two dimensions have been studied in deep inelastic ep scattering events measured with the ZEUS detector at HERA using an integrated luminosity of 121 pb-1. The correlations are independent of the virtuality of the exchanged photon, Q2, in the range 0.1 \u3c Q2 \u3c 8000 GeV2. There is no significant difference between the correlations in the current and target regions of the Breit frame for Q2 \u3e 100 GeV2. The two-dimensional shape of the particle-production source was investigated, and a significant difference between the transverse and the longitudinal dimensions of the source is observed. This difference also shows no Q2 dependence. The results demonstrate that Bose-Einstein interference, and hence the size of the particle-production source, is insensitive to the hard subprocess. © 2004 Published by Elsevier B.V
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Last time updated on 13/04/2021