Assistant Professor in Department of Physics & Astrophysics, University of Delhi
July 2023 - Present
Address : Room 147, Multistorey Building, Department of Physics & Astrophysics, University of Delhi, Delhi - 110007
LinkedIn : https://www.linkedin.com/in/arun-kumar-phd-4a792586/
Courses Taught :
Nuclear & Particle Physics (PH CT-501) : Core Course for M.Sc. 3rd Semester
Computational Physics Lab (PH CL-502) : Core lab for M.Sc. 3rd Semester
Nuclear Physics Lab Course (PH CL-410) : Core lab for M.Sc. 2nd Semester
Advance Nuclear Physics Lab Course (PH EL-556) : Elective Lab for M.Sc. 4th Semester
Radiation Safety (PH-OT-541) : Open Elective course for all faculty of science departments
Administrative Responsibilities :
Member of PhD Admission Committee for Department of Physics & Astrophysics
Member of Bills and Store Purchase Committee.
Member of Computer committee
Ex-Member of sub-committee of the combined committee for courses in Physics (to appoint the paper setters, examiners etc) and Moderation committee ( to moderate the papers) for Undergraduate Examinations.
Field of Work
Experimental High Energy Physics, Particle Physics
Research Interests
Search for BSM (Beyond Standard Model) Physics through precision measurements, Properties of Higgs boson, Anomalous triple and quartic gauge couplings of bosons through Effective Field Theory, Vector boson precision studies and Rare production of Higgs boson.
Exploring Machine learning techniques like Boosted Decision Trees, Deep Neural Networks (DNN)and novel techniques like BNNs and GNNs to enhance the sensitivity of physics analyses and physics object measurements.
Research Experience
July 2018 - July 2023 : Postdoctoral Research Associate, Rice University, Houston, USA.
April 2015 - July 2018 : Postdoctoral Fellow in National Taiwan University, Taipei, Taiwan
Collaboration
CMS (Compact Muon Solenoid) Collaboration at CERN, Geneva, Switzerland
Recent Publications :
Measurements of the Higgs boson production cross section and couplings in the W boson pair decay channel in proton-proton collisions at √s = 13 TeV. Eur. Phys. J. C 83, 667 (2023). https://doi.org/10.1140/epjc/s10052-023-11632-6
Measurement of the inclusive and differential Higgs boson production cross sections in the leptonic WW decay mode at √s = 13 TeV. J. High Energ. Phys. 2021, 3 (2021). https://doi.org/10.1007/JHEP03(2021)003
Search for a heavy Higgs boson decaying to a pair of W bosons in proton-proton collisions at √s = 13 TeV, J. High Energ. Phys. 2020, 34 (2020). https://doi.org/10.1007/JHEP03(2020)034
Measurements of properties of the Higgs boson decaying to a W boson pair in pp collisions at √ s = 13TeV”, Physics Letters B, Vol. 791 (2019) 96. http://dx.doi.org/10.1016/j.physletb.2018.12.073
Measurement of the differential Drell-Yan cross section in proton-proton collisions at √s = 13 TeV, J. High Energ. Phys. 2019, 59 (2019). https://doi.org/10.1007/JHEP12(2019)059
Conference Talks :
22nd Particles and Nuclei Interaction Conference, 5-10 Sep 2021, Lisbon, "Higgs differential distributions".
Higgs Hunting 2019, 29-31 Jul 2019, Orsay-Paris (France), "Higgs decay to bosons: Results from CMS Experiment".
Seminar presentation in Rice University - IIT Kanpur joint theoretical Symposium on "Recent Higgs boson results from CMS experiment with Higgs decay to vector bosons", July 6, 2020.
Computing in High-Energy Physics 2018, 9-13 Jul 2018, Sofia (Bulgaria), "Spy-Agency service for monitoring of automated real-time calibration workflows and steering the injection of prompt reconstruction workflows at the CMS experiment".
5th Large Hadron Collider Physics Conference 2017, 15-20 May 2017, Shanghai Jiao Tong University, Shanghai (China), "Higgs measurements in WW, tautau and mumu channels with CMS".
Higgs Couplings 2016, 9-12 Nov 2016, SLAC, Stanford, CA (USA), "Higgs to WW and ZZ decays: inclusive and differential results".
46th Recontres de Moriond, La Thuile, Italy, March 2014, Young Scientist Talk on "Search for a heavy Higgs boson in H->ZZ ->2l2nu channel in pp collisions with CMS detector at the LHC".
XXXII Physics In Collision (PIC), Strbske Pleso, Slovakia, September 2012, "Search for the Standard Model Higgs boson in the H->ZZ->2l2nu decay channel in the CMS Experiment".
Hadron Collider Physics (HCP) Symposium, Paris, France, November 2011, Poster Presentation on the "Search for Standard Model Higgs boson using the H->ZZ->2l2nu channel in pp collisions at CMS".
Lepton Photon 2011, Mumbai, India, August 2011, Poster Presentation on the "Search for Higgs boson in the H->ZZ->2l2q channel at CMS".
Oral Presentation in XX DAE-BRNS High Energy Physics Symposium, Visva-Bharati, Santiniketan, West Bangal (India), on the "Search for the Standard Model Higgs boson in the H->ZZ ->2l2nu decay mode in the CMS Experiment."
Educational Qualifications :
Ph.D. in Physics from Department of Physics & Astrophysics, University of Delhi : 2009 - 2015
M.Sc. (Physics) from University of Delhi, 2007 - 2009
B.Sc. (H) Physics, Hansraj College, University of Delhi, 2004 - 2007
Recognition & Awards :
CMS Achievement Award for leadership in PPD group of CMS experiment : https://cms.cern/content/achievement-awards-2017
CMS Young Scientist Forum presentation in Moriond EWK conference, 2013.