Heavy Flavor Physics with FOCUS and BTeV

这项提案要求范德比尔特大学（Vanderbilt University）的一个小组支持一项基于几个重夸克实验的实验基本粒子物理学研究和教育计划。他们正在费米实验室完成FOCUS实验，为同样在费米实验室进行的第二代b工厂实验BTeV做准备，并考虑在康奈尔进行CLEO-c实验。重味物理学提供了有关强、弱电相互作用、夸克混合和CP不对称的信息，并可能导致有关宇宙中物质-反物质不对称来源的线索，这是科学中最基本的问题之一。FOCUS是一个固定目标的粲子产生实验，在半电子和强子衰变中寻找do0 ' d0混合，寻找稀有和禁止的粲子衰变，研究粲子重子光谱和半光子粲子衰变。BTeV是一个Tevatron对撞机实验，它将研究魅力和美丽衰变，以面对标准模型解释B0和b介子中CP违背，b混合和稀有b衰变。CLEO-c计划包括在vs = 3-5 GeV CM能量范围内的魅力和QCD物理的精确测量。

This proposal requests support for a group at Vanderbilt University for a program of research and education in experimental elementary particle physics based on several heavy quark experiments. They are finishing up the FOCUS experiment at Fermilab, preparing for BTeV, a second-generation B-factory experiment, also at Fermilab and considering working on CLEO-c at Cornell. Heavy flavor physics yields information about the strong and electroweak interactions, quark mixing and CP asymmetry and may lead to hints concerning the source of the matter-antimatter asymmetry in the universe, one of the most fundamental questions in science. FOCUS is a fixed-target, charm production experiment searching for D0`D0 mixing in semielectronic and hadronic decays, searching for rare and forbidden charm decays, studying charm baryon spectroscopy and semileptonic charm decays. BTeV is a Tevatron collider experiment that will study charm and beauty decays in order to confront the Standard Model explanation of CP violation in B0 and Bs mesons, Bs mixing and rare b decays. The CLEO-c program includes precision measurements of charm and QCD physics in the vs = 3-5 GeV CM energy range.