Lifetime Measurement of fully hadronic reconstructed B collected by the dedicate I.P. based trigger
Abstract
Thanks to its i.p. based trigger, CDF is able to collect large amount of B reconstructed in hadronic decays. One of most important features of hadronic decays is that can be fully reconstructed avoiding,in this way, the dependence from K factor that is a typical issue of semileptonic decays. More over CDF has the possibility to reconstruct also Bs mesons, that can produced in high energy collision between p and p, but not in B-factories. Anyway the sample selection performed by trigger itself, sculpts the signal lifetime distribution that could no longer be described with a convolution between exponential and Gaussian. Understanding the trigger bias and perform a lifetime measurement in these sample is a challenging analysis. We present the results of the lifetime measurement performed on this sample and the fitting techniques used to understand the trigger bias
- Publication:
-
APS April Meeting Abstracts
- Pub Date:
- April 2005
- Bibcode:
- 2005APS..APRU12003D