From: xxxxxxxxx@fnal.gov
Subject: Happy Holidays and best wishes for 2012!
Date: 23-DEC-2011 09:58
Expires: 22-JAN-2012 09:58
________________________________
Dear DZero Colleagues!
The year 2011 is coming to an end and we can look back on a very successful
year. We finished data collection on September 30 recording 10.7 fb-1 of
integrated luminosity, well above what we expected at the beginning of Run II.
Our data taking efficiency was consistently ~90% and we reconstructed the data
immediately after it was recorded. We continued to improve reconstruction
algorithms to further increase efficiency while at the same time we produced
record numbers of Monte Carlo events. While we are producing exciting physics
results, we are converting the detector for exhibit to educate future
generations for years to come.
The physics output of the experiment reached the highest level in years both
in quality and quantity. We have published 44 journal papers so far in 2011
and have seen complementarity of many of our publications to results coming
from the LHC experiments. We understand the top quark properties much better,
while puzzles still remain. Exciting results and studies of particles with b
quarks continue and we confirmed the anomalous di-muon asymmetry with even
higher significance. Many new physics models have been tested on DZero data
and did not stand experimental verification while measurements of electroweak
process and parameters reached unprecedented precision. Studies of QCD are
reaching levels of accuracy not even imagined recently and very little space
is left for the Higgs boson to hide with the Tevatron reaching sensitivity
within 50% of the Standard Model prediction below our already excluded
mass range.
We have a set of exciting goals for the coming year in place. We will re-
process a substantial fraction of the Run II data set with improved
reconstruction efficiencies leading to better physics reach for the
experiment. We will continue to improve particle identification algorithms and
data analysis methods and expect many legacy results and publications on the
full Tevatron data set addressing important topics in particle physics before
the end of 2012.
The success of the experiment rests on the contributions of all its members
and is not possible without such collaboration effort which is our strength.
Every collaboration member contributes in different ways to this success and
we are looking for our joint efforts to continue strongly in the coming years.
Many new members have joined the collaboration in 2011 and we welcome all of
them warmly. We wish good luck to those collaborators who moved on.
We would like to congratulate all the new DZero PhDs who defended their
degrees last year - well done!
We look forward for 2012 to be another very successful year for DZero with
important and exciting new results at the frontier of particle physics.
We wish all of you and your families happy and safe holidays.
Best wishes for 2012,
Gregorio and Dmitri.
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