Analysis of Bose-Einstein correlations in e⁺e⁻→W⁺W⁻ events including final state interactions
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概要
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Recently DELPHI Collaboration reported new data on Bose-Einstein correlations (BEC) measured in e⁺e⁻→W⁺W⁻ events. Apparently no enhancement has been observed. We have analyzed these data including final state interactions (FSI) of both Coulomb and strong (s-wave) origin and found that there is enhancement in BEC but it is overshadowed by the FSI which are extremely important for those events. We have found the following values for the size of the interaction range β and the degree of coherence λ,β=0.87 ± 0.31 fm and λ=1.19 ±0.48, respectively.
- 信州大学の論文
著者
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OSADA T.
Institute for Solid State Physics, University of Tokyo
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Osada T
Institute For Solid State Physics University Of Tokyo
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Sano S.
Department of Physics, Faculty of Science, Shinshu University
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Biyajima M
Department Of Physics Shinshu Univ.
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Biyajima M.
Department Of Physics Shinshu University
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Biyajima M.
Department Of Physics Faculty Of Liberal Arts Shinshu University
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Osada T.
Institute For Solid State Physics University Of Tokyo
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Osada T.
Instituto De Fisica Universidade De Sao Paulo-sp Brazil
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Sano S
Department Of Orthopedic Surgery Nihon University School Of Medicine.tokyo Japan
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