My research work is conducted with the UW High Energy Physics group, on the CMS experiment at the CERN laboratory in Geneva, Switzerland and the LZ experiment in South Dakota. My scientific interest is in the study of elementary particles, to probe unresolved questions about the current standard theory of matter and energy, and enable an even deeper level of knowledge about fundamental interactions in nature.
The physics adventure of CMS continues after the discovery of the long sought Higgs boson, in which my group played an important role. The study of highest energy collisions of protons created using LHC will thoroughly map out the Standard Model of particle physics, including detailed study of the properties of the Higgs boson. With the large LHC data accumulated in 2015-18 operation at unprecedented 13 TeV center of mass energy, our focus is on search for new physics processes, including search for an elementary particle candidate that can explain the dark matter, which makes up the bulk of our Universe. We are also engaged in building upgraded equipment for CMS trigger, data acquisition and computing systems in preparation for a 10-fold increase in data that we anticipate to collect by 2030.
In the previous decade, I worked on the BaBar experiment at the SLAC laboratory in Stanford, California, where we studied short lived particles called B-mesons that were produced profusely in electron-positron collisions at the SLAC B-Factory. Our measurements there resulted in detailed understanding of asymmetries between matter and antimatter behavior and placed strict limits on the level of new physics contributions to flavor physics.
Further in the past, I participated in the ZEUS experiment at DESY laboratory in Hamburg, German and several SLAC fixed target experiments. We measured proton structure and other strong interaction physics. I also helped in construction and operation of the SLD experiment, which made precision measurements of the Standard Model parameters.
My day-to-day work involves teaching, supervision of students, postdocs and staff, physics data analysis, large scale computating systems design and operation, low and high level trigger algorithm development, detector simulations and trigger electronics design, and lately administration duties of the physics department. In addition to the work at the CMS experiment in Geneva, my group operates a large computing center, UW Tier-2, in Madison for the benefit of CMS physics community.
My family includes: Girija Mittagunta, Anjana Dasu and Govinda Dasu . My parents are: Vimala Dasu, and Damodara Dasu . Karnatik music and vegetarian cooking define our family’s and my primary interest. My father’s popular website of karnatic music translations, SangeetaSudha, and its corresponding mobile application developed by my son, Govinda Dasu, and his company, Learning Dollars, Inc, are available for download: iOS, and Android. He also has a good blog about our family recipes.
- Classes Taught
- Physics 735 (Particle Physics) : Spring 2006, 2007, Fall 2008
- Physics 701 (Graduate Seminar): Fall 2019, Fall 2020
- Physics 535 (Particle Physics) : Spring 2013, 2014, 2017
- Physics 433 (Computational Physics) : Fall 2001
- Physics 325 (Optics) : Spring 2001
- Physics 321 (Electronics) : Fall 2000
- Physics 301 (Undergraduate Seminar): Spring 2020
- Physics 241 (Modern Physics): Fall 1995
- Physics 208 (General Physics): Spring 2020
- Physics 201 (General Physics): Fall 2006
- Physics 107 (Ideas of Modern Physics) : Fall 2014, Spring 2015, Fall 2017, Fall 2018
- Physics 104 (General Physics) : Fall 2002, 2003, 2004, 2005, 2009, 2010, 2011, 2012, 2016
- Physics 103 (General Physics) : Spring 2002, 2003, 2004, 2005, 2009, 2010, 2011, 2012
- Sabbatical Semesters: Fall 2007, Spring 2008, Fall 2015, Spring 2016
- Chair Teaching Relief: Spring 2018, Spring 2019
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