The brown muck of b^0 and b^0_s mixing: beyond the standard model

Standard Model contributions to neutral B meson mixing begin at the one loop level where they are further suppressed by a combination of the GIM mechanism and Cabibbo suppression. This combination makes B meson mixing a promising probe of new physics, where as yet undiscovered particles and/or interactions can participate in the virtual loops. Relating underlying interactions of the mixing process to experimental observation requires a precise calculation of the non-perturbative process of hadronization, characterized by hadronic mixing matrix elements. This thesis describes a calculation of the hadronic mixing matrix elements relevant to a large class of new physics models. The calculation is performed via lattice QCD using the MILC collaboration’s gauge configurations with 2 + 1 dynamical sea quarks.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Physics

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2012

Author dc:creator

• Bouchard, Christopher

Contributors dc:contributor

• El-Khadra, Aida X.
• Stack, John D.
• Stone, Michael

• quantum chromodynamics (QCD)
• lattice QCD (LQCD)
• non-perturbative
• hadronization
• brown muck
• B mixing
• Bs mixing
• neutral meson mixing
• hadronic mixing matrix elements
• mixing matrix elements
• beyond the Standard Model (BSM)

Statement dc:rights

• Copyright 2011 Christopher Bouchard

Language dc:language

en

Handle dc:identifier

http://hdl.handle.net/2142/29819

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/29819