Parametrization of the Kobayashi-Maskawa matrix

Journal Article · Mon Nov 21 04:00:00 EST 1983 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.51.1945· OSTI ID:5400283

Wolfenstein, L

The quark mixing matrix (Kobayashi-Maskawa matrix) is expanded in powers of a small parameter lambda equal to sintheta/sub c/ = 0.22. The term of order lambda/sup 2/ is determined from the recently measured B lifetime. Two remaining parameters, including the CP-nonconservation effects, enter only the term of order lambda/sup 3/ and are poorly constrained. A significant reduction in the limit on epsilon'/epsilon possible in an ongoing experiment would tightly constrain the CP-nonconservation parameter and could rule out the hypothesis that the only source of CP nonconservation is the Kobayashi-Maskawa mechanism.

• Research Organization: Department of Physics, Carnegie-Mellon University, Pittsburgh, Pennsylvania 15213
• OSTI ID: 5400283
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 51:21; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

645302* -- High Energy Physics-- Particle Invariance Principles & Symmetries-- Applications to Electromagnetic & Weak Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BASIC INTERACTIONS
CP INVARIANCE
ELEMENTARY PARTICLES
INTERACTIONS
INVARIANCE PRINCIPLES
LIFETIME
MATRIX ELEMENTS
POSTULATED PARTICLES
QUARKS
UNITARITY
WEAK INTERACTIONS