Wednesday lecture series

Department of Physics,  Presidency  University organizes weekly lectures by eminent scientists across the globe where they talk about  latest and cutting  edge  research and ideas. As a unique  academic event in the country, this sets the stage for interaction with researchers from a diverse background in Physics and even outside of it. The  lectures  are  supposed   to  be held  on  each  Wednesday  generally  in  the  afternoon  depending  on  the availability  of the  speakers.

Upcoming Colloquium


How much can we 'see'

with a single quantum of light at the LHC?

2 pm, Wednesday, October 25, 2017

Prof. Amal Kumar Raychaudhury Lecture Hall

The Large Hadron Collider (LHC) at the European Particle Physics Laboratory, CERN, is a proton proton

collider. At present it is colliding proton on proton at a center of mass energy of 13 TeV. Two experiments, the

CMS and the ATLAS,looking at the collision data, are designed to

search for new particles in the multi TeV energy range and new forces whose effects may be observed at a

length scale of 10^-18 meters. With the discovery of the Higgs boson at the LHC, the Standard Model (SM) of

particle physics is experimentally established and a new era of

particle physics has started. The central question that the LHC is trying to address today, is - what is beyond

Standard Model? In the hunt for new physics beyond standard model one of the most exciting possibility is

can LHC produce the particles of dark matter, if dark matter is indeed

made up of some fundamental particle? In this talk I will give an overview of the ongoing search for new

physics at the LHC. I will discuss in some detail how one looks for dark matter at the LHC, using as example

one very clean final state in which there will be only one photon seen in the CMS.

Magnetizing the Universe

2 pm, Wednesday, November 1, 2017

Prof. Amal Kumar Raychaudhury Lecture Hall

The universe is magnetized on all scales probed so far, from planets and stars to micro Gauss strength large scale fields in galaxies and galaxy clusters. Recent observational evidence suggests that even the intergalactic medium in voids could host a weak femto Gauss magnetic
field, coherent on Mega parsec scales. How did the Universe get magnetized? We discuss how the first seed magnetic fields could arise in the early Universe or in astrophysical batteries. These need to be amplified and maintained by  cosmic dynamos in collapsed objects, which convert the kinetic energy of motions to magnetic energy. The basic idea behind such dynamos and the challenges they encounter are described. It is relatively easy for magnetic energy to grow, but explaining the spatio-temporal coherence of cosmic
magnetic fields remains challenging.

        A L L     A R E    W E L C O M E !

About The Speaker

Prof Satyaki Bhattacharya
is a professor at the Saha institute of Nuclear Physics  working on experimental high energy physics.

About The Speaker

Prof Kandaswamy Subramanian
is a professor at IUCAA working on magnetic fields in the cosmos.