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      • Fellow of the TWAS
      • Fellow of the INSA (FNA)
      • Fellow Academy of Sciences (FASc)
      • Fellow National Academy of Sciences (FNASc)
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      • MRSI Medal
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Physical Sciences Colloquium 2020

 

[ 2015 ]  [ 2016 ]  [ 2017 ] [2018] [2019]

March 13, 2020
Professor Amitava Raychaudhuri

University of Calcutta

Venue & Time: C V Raman Hall at 4:00 PM

Neutrinos: Mass models and their interconnections with other open issues

Neutrinos: Mass models and their interconnections with other open issues

Neutrino oscillation results have given us a picture of their masses and three mixing angles. Unlike in the quark sector, some mixing angles in the lepton sector are large. However, this is not the complete story. There are several small quantities too. For example, θ13 is small compared to θ12 and θ23, the deviation of θ23 from p/4 is small, and the solar mass splitting is two orders smaller than the atmospheric one. Neutrino mass models with discrete flavour symmetries are often invoked to recover these features. Such models are testable in the upcoming experiemnts. Moreover, the new particles which these models incorporate have a bearing on other open issues in (astro)particle physics. In this talk we intend to give a broad overview of our present understanding of this area.

  Upcoming Seminars/Meetings

  • The exotic world of Long-Lived Particles
  • Title: The exotic world of Long-Lived Particles
    Speaker: Rhitaja Sengupta, IISc, Bangalore
    Date & Time: June 8, 2022 (Wednesday),16:00 Hours (IST)
  • Light Rings of Stationary Spacetimes
  • Title: Light Rings of Stationary Spacetimes
    Speaker: Sudipta Sarkar, IIT-Gandhinagar
    Date & Time: May 27, 2022 (Friday), 16:00 Hours (IST)
  • Towards Relativity: Einstein and His Compass
  • Title: Towards Relativity: Einstein and His Compass
    Speaker: Sudipta Sarkar, IIT Gandhinagar
    Date & Time: May 18, 2022 (Wednesday), 16:00 Hours (IST)
  • Neutrinos and flavor symmetries
  • Title: Neutrinos and flavor symmetries.
    Speaker:Dr. Biswajit Karmakar, Institute of Physics, University of Silesia in Katowice, Poland.
    Date & Time:May 4, 2022 (Wednesday),16:00 Hours (IST).
  • Not just fat: proteotoxicity in non-alcoholic fatty liver disease (NAFLD)
  • Title: Not just fat: proteotoxicity in non-alcoholic fatty liver disease (NAFLD)
    Speaker: Dr. Partha Chakrabarti, Principal Scientist, Cell Biology & Physiology, CSIR-Indian Institute of Chemical Biology, Kolkata.
    Webinar: meet.google.com/jvz-zuyo-hnz  (google meet link)
    Date & Time: 12th November, 2020, 03:30 pm
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