• Assistant Professor (Aug. 2022 – onwards) Department of Physics, Indian Institute of Technology, Kanpur, India.

• Postdoctoral Fellow (Oct. 2021 – Jun. 2022) Department of Theoretical Particle Physics, International School for Advanced Studies (SISSA), Trieste, Italy,

• Postdoctoral Fellow (Oct. 2018 – Aug. 2021) Department of High Energy Physics, Florida State University, Tallahassee, USA,

• Postdoctoral Fellow (Oct. 2015 – Aug. 2018) Department of Theoretical Physics, Tata Institute of Fundamental Research, Mumbai, India.

• Ultra-relativistic bubbles from the simplest Higgs portal and their cosmological consequences
  Aleksandr Azatov, Giulio Barni, Sabyasachi Chakraborty, Miguel Vanclasselaer, Wen Yin Submitted in JHEP [arXiv:2207.02230 [hep-ph]].

• Heavy QCD Axion in b → s Transition: Enhanced Limits and Projections
  Sabyasachi Chakraborty, Manfred Kraus, Vaja Loladze, Takemichi Okui and Kohsaku Tobioka, Phys. Rev. D, 104 (2021) 5, 055036 [arXiv:2102.04474 [hep-ph]].

• Topics in soft collinear effective theory for gravity: The diffeomorphism invariant Wilson lines and reparametrization invariance
  Sabyasachi Chakraborty, Takemichi Okui and Arash Yunesi, Phys. Rev. D 101 (2020) 6, 066019 [arXiv:1910.10738 [hep-th]].

• Charting generalized supersoft supersymmetry
  Sabyasachi Chakraborty, Adam Martin and Tuhin S Roy, JHEP 1805 (2018) 176 [arXiv:1802.03411 [hep-ph]].

• Chasing new physics in stacks of soft tracks
  Amit Chakraborty, Sabyasachi Chakraborty and Tuhin S. Roy, Phys. Rev. D (Rapid) 94 (2016) 11, 111703 [arXiv:1606.07826 [hep-ph]].

• Higgs boson mass, neutrino masses and mixing and keV dark matter in an U (1) R -lepton number model
  Sabyasachi Chakraborty and Sourov Roy, JHEP 1401 (2014) 101, [arXiv:1309.6538 [hep-ph]].

• High Energy Physics

• Council of Scientific and Industrial Research (CSIR)

• CERN Summer School 2013
  Participated in CERN-Fermilab Hadron Collider Physics Summer School, Geneva, Switzerland.

• DST Travel Grant 2012
  Participated in PSI Zuoz summer school, PSI, Switzerland.

• DST Travel Grant 2012
  Participated in the First Asia Europe Pacific School on High Energy Physics, Fukuoka, Japan.

• Silver Medalist
  Indian Institute of Technology, Madras, India, 2009.

• Joint Admission to M.Sc (JAM)
  Entrance for Masters degree, conducted by IITs and IISC, 2008.

Office

107, Block C, Old Sac building,
Department of Physics,
IIT Kanpur,
Kanpur 208016

Office Phone: 0512-259-2349

Email: sabyac(at)iitk.ac.in

Axions/Dark Photons, Applications of effective field theory, Collider Physics