HEP-Gravity@IITG

Spring 2025

During Spring 2025 Semester, the HEP and Gravity Journal Clubs are going to run every week on Monday 5:15 PM IST and Wednesday 5:15 PM IST respectively.  The venue is usually the seminar room of the physics department unless otherwise specified.

HEP Journal Club Schedule (Spring 2025)

• Niraj Koirala (January 20, Topic: Subtraction of the t\bar{t} contribution in tW\bar{b} production at one loop-level, arxiv:2411.07455)

• Abinash Medhi (January 27, Scalar Nonstandard Interactions in Neutrino Oscillations, Phys. Rev. Lett. 122, 211801 (2019))

• Subhajit Kala (February 3, Dark matter as the trigger of flavor changing neutral current decays of the top quark, Phys.Rev.D 110 (2024) 9, 095009)

• Arkodip Biswas (February 10, Measurement of CP Asymmetries in B^{0} -->K_{s}^{0}π^{0}γ Decays at Belle II, Phys.Rev.Lett. 134 (2025) 1, 011802)

• Abhik Sarkar (February 17, Single Transverse Spin Asymmetry as a New Probe of Standard-Model-Effective-Field-Theory Dipole Operators, Phys.Rev.Lett. 131 (2023) 24, 241801)

• Tarun Chanda (March 3, Resonances of Supernova Neutrinos in Twisting Magnetic Fields, Phys. Rev. Lett. 132, 101005 (2024))

• Nayan Das (March 24, Thermal Dark Matter Below an MeV , Phys. Rev. Lett. 120, 021801 (2018), Phys. Rev. D 99, 095030 (2019))

• Rajat Kumar Mondal (April 7, Baryogenesis and first-order QCD transition with gravitational waves from a large lepton asymmetry, arxiv:2407.17549)

• Anupam Ghosh (April 21, Search for Fractionally Charged Particles in Proton-Proton Collisions at √𝑠 =13  TeV, Phys. Rev. Lett. 134, 131802 (2025))

Gravity Journal Club Schedule (Spring 2025)

• Sreetama Das Choudhary (January 29, Topic: Accretion disc dynamics in extragalactic black hole X-ray binaries: a comprehensive study of M33 X–7, NGC 300 X–1, and IC 10 X–1, arxiv:2411.17047)

• Avijit Chowdhury (February 5, Eikonal QNMs and null circular geodesics, 10.1088/0264-9381/26/16/163001, 10.1016/j.physletb.2017.06.015)

• Bhera Ram (March 5, Tolman-Ehrenfest criteria for conformally connected background and its extension to Scalar-Tensor Gravity, Phys. Rev. D 107, 064072 (2023), Eur.Phys.J.C 84 (2024) 12, 1248)

• Pradeep Kumawat (April 2, Quantum detailed fluctuation theorem in curved spacetimes: The observer-dependent nature of entropy production, Phys. Rev. Lett. 134, 050406 (2025))

Student Secretary of HEP and Gravity Journal Club (2024-25)

• Niloy Mondal (HEP)

• Bhera Ram (Gravity)

HEP Seminar Series 

From Autumn 2021 onward, online HEP seminar series has been initiated. The seminar is usually given by a speaker from outside IIT Guwahati. Talks are scheduled tentatively on every alternate Fridays at 5 PM. 

List of speakers (Autumn 2021):

• Dr. Bhavesh Chauhan, TIFR, Mumbai (August 5, Title:  A deuterated liquid scintillator for supernova neutrino detection)

• Dr. Jagdish Joshi, Nanjing University, China (August 20, Title: Cosmic Ray Interactions and Transport in our Galaxy and Nearby Starburst Galaxies )

• Chandramouli Chowdhury, ICTS Bangalore (September 17, Title: The Principle of Holography of Information in Gravity )

• Dr. Gaurav Tomar, Technical University of Munich, Germany (October 8, Title: Squeezing the parameter space of dark matter)

• Dr. Rome Samanta, Institute of Physics, Prague, Czech Republic (October 22, Title: Leptogenesis and gravitational waves)

Upcoming HEP Seminars:

• TBA

Platform: Microsoft Team/Google-meet

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