Actions for Lessons from CLEO and FOCUS Measurements of D{sup 0}- Anti-D{sup 0} Mixing Parameters [electronic resource].

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Lessons from CLEO and FOCUS Measurements of D{sup 0}- Anti-D{sup 0} Mixing Parameters [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
164 kilobytes pages : digital, PDF file
Additional Creators
Stanford Linear Accelerator Center, United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
If the true values of the D°--Anti-D° mixing parameters lie within the one sigma ranges of recent measurements, then there is strong evidence for a large width difference, y approximately > 0.01, and large SU(3) breaking effects in strong phases, delta approximately > pi/4. These constraints are model independent, and would become stronger if {vert_bar}M₁₂/Gamma₁₂{vert_bar} << 1 in the D°--Anti-D° system. The interesting fact that the FOCUS result cannot be explained by a large mass difference is not trivial and depends on the small D°/Anti-D° production symmetry in FOCUS and the bounds on CP violating effects from CLEO. The large value of delta might help explain why y ∼ sin²Theta{sub c}.
Report Numbers
E 1.99:slac-pub-8457
slac-pub-8457
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
05/19/2000.
"slac-pub-8457"
Grossman, Yuval.
Type of Report and Period Covered Note
Topical;
Funding Information
AC03-76SF00515
View MARC record | catkey: 14690986