During Autumn 2024 Semester, the HEP and Gravity Journal Clubs are going to run every week on Monday 5:15 PM IST and Tuesday 5:15 PM IST respectively. The venue is usually the seminar room of the physics department unless otherwise specified.
HEP Journal Club Schedule (Autumn 2024)
Vaibhav Pandey (August 5, Topic: Quark mass effects in Higgs production, arxiv:2407.12413)
Indrajit Saha (August 12, Topic: Leptogenesis via Bubble Collisions, arxiv:2407.16747)
Avnish (August 19, Topic: Loop induced H±W∓Z vertices in general two Higgs doublet model with CP violation, arxiv:2408.06863)
Disha Bandyopadhyay (August 26, Topic: Axion free-kick misalignment mechanism, arxiv:2211.13074)
Shivam Gola (September 2, Topic: The Neff at CMB challenges U(1)_X light gauge boson scenarios, arxiv:2404.10077 )
Hrishikesh Deka (September 9, Topic: Gravitational wave signatures of a chiral fermion dark matter model, arxiv:2312.17203)
Arunansu Sil (September 23 and September 30, Topic: Dark radiation from neutrino mixing after BBN, arxiv:2301.10792)
Niloy Mondal (October 1, Topic: Gauged U(1)_X breaking as origin of neutrino masses, dark matter and leptogenesis at TeV scale, arxiv:2303.00417 )
Meduri C Kumar (October 7, Topic: Semi-Inclusive Deep-Inelastic Scattering (SIDS) and its recent theoretical developments, arxiv:2404.08597 , arxiv:2404.09959)
Utsab Dey (October 21, Topic: QCD corrections at subleading power for inclusive nonleptonic $b-> c \bar{u} d$ decays, arxiv:2408.06767 )
Bhoomika Das (November 4, Topic: Low-energy elastic (anti)neutrino-nucleon scattering in covariant baryon chiral perturbation theory, arxiv:2403.17743 )
Gravity Journal Club Schedule (Autumn 2024)
Subhasis Maity (August 6, Topic: Limits on Primordial Magnetic Fields from Primordial Black Hole Abundance, arxiv:2002.01286)
Debaprasad Maity (August 13, Topic: Gravitational collider physics, arxiv:1912.04932)
Bibhas Ranjan Majhi (August 20, Topic: Equivalence principle at the classical and quantum regimes, Universe 8 (2022) 598, Phys. Rev. Lett. 121 (2018) 071301)
Debaprasad Maity (August 27, Topic: Gravitational collider physics (contd.))
Suvikranth Gera (September 3, Topic: Black hole shadows in the presence of dark matter, arxiv:1905.11803)
Jitumani Kalita (September 10, Topic: Primordial black holes from an aborted phase transition, arxiv:2409.02175)
Camelia Jana (September 24, Topic: The role of radial viscosity force and anisotropic thermal conduction in hot accretion flow, New Astronomy 113 (2024))
Student Secretary of HEP and Gravity Journal Club (2024-25)
Niloy Mondal (HEP)
Bhera Ram (Gravity)
During Spring 2024 Semester, the HEP and Gravity Journal Clubs are going to run in alternate weeks on Thursday 5:15 PM IST. The venue is usually the seminar room of the physics department unless otherwise specified.
HEP Journal Club Schedule (Spring 2024)
Rajat Kumar Mandal (February 1, Topic: Gravitational waves from particle decays during reheating, arxiv:2310.12023 ).
Dr. Sovan Chakraborty (February 22, Topic: Signatures of primordial black hole dark matter at DUNE and THEIA, arxiv:2106.05013 ).
Dipendu Bhandari (April 4, Topic: Sphaleron freeze-in baryogenesis with gravitational waves from the QCD transition, arxiv:2309.00672 ).
Dipankar Pradhan (April 20, Topic: Opening the Higgs portal to lepton flavored dark matter, arxiv:2211.03809 , arxiv:2309.10700).
Gravity Journal Club Schedule (Spring 2024)
Vishal (January 11, Topic: Consistent probabilities in Wheeler-Dewitt quantum cosmology , arxiv:1006.3837).
Ayan Chakraborty (January 25, Topic: Ricci Reheating, arxiv:1905.06823)
Amit Kumar (February 15, Topic: Revisiting Black Hole Hyperaccretion in the Center of Gamma-Ray Bursts for the Lower Mass Gap, arxiv:2203.09793)
Nihar Ranjan Ghosh (March 7, Topic: Inner structure of a charged black hole: An exact mass-inflation solution, Phys. Rev. Lett. 67, 789 )
Subhankar Patra (March 28, Topic: Comparing thin accretion disk properties of naked singularities and black holes, arxiv:2205.04055 )
Seshadri Majumder (April 25, Topic: Tracking the X-ray Polarization of the Black Hole Transient Swift J1727.8–1613 during a State Transition , arxiv:2311.05497 )
Student Secretary of HEP and Gravity Journal Club (2023-24)
Dipendu Bhandari (HEP)
Camelia Jana (Gravity)
From Autumn 2023 Semester, the HEP and Gravity Journal Clubs are going to run in alternate weeks on Friday 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 (Autumn 2023)
Pulak Banerjee (August 18, Topic: Evidence of intrinsic charm quarks inside the proton, Journal reference: Nature 608, 483-487 (2022) )
Shailesh Pincha (September 1, Topic: The absolute neutrino mass measurement with the DUNE experiment, Journal reference: PRL 129, 121802 (2022))
Debasish Borah (October 6, Topic: Can LIGO detect non-annihilating dark matter?, arxiv:2302.07898 )
Avik Sarkar (November 3, Topic: Stringent bounds on HWW and HZZ anomalous couplings with quantum tomography at the LHC, arXiv:2304.02403 )
Soumitra Nandi (November 17, Topic: Precision muon related observables as a tool to constrain new physics models, arXiv:2310.06642 )
Gravity Journal Club Schedule (Autumn 2023)
Sreetama Das Choudhury (August 9, Topic: The X-ray corona in the black hole binary GRO J1655-40 from the properties of non-harmonically related quasi-periodic oscillations , arxiv:2307.15486)
Harpreet Singh (August 30, Topic: Experimental black hole analogues, arxiv:1809.00913 )
Debaprasad Maity (September 6, Topic: Constraining Axion and ALP dark matter from misalignment during Reheating, arxiv:2308.15322)
Dipankar Barman (September 27, Topic: Cavity optimization for Unruh effect at small accelerations, arxiv:2107.00049 )
Bibhas Ranjan Majhi (October 11, Topic: Symmetry behavior at finite temperature and in accelerated frame, References: arxiv:1207.3677 , arxiv:2303.04039 , Phys. Rev. D 9, (1974) 3320 )
Rajesh Mondal (November 10, Topic: WIMPs during Reheating, References:arxiv:2209.07546 )
Student Secretary of HEP and Gravity Journal Club (2023-24)
Dipendu Bhandari (HEP)
Camelia Jana (Gravity)
From Spring 2023 Semester, the HEP and Gravity Journal Clubs are going to run in alternate weeks on Thursday at 5:15 PM IST. The venue is usually the seminar room of the physics department unless otherwise specified.
HEP Journal Club Schedule (Spring 2023)
Sovan Chakraborty (January 12, Topic: Where are Milky Way's hadronic Pevatrons?, arxiv:2209.03970)
Lipika Kolay (February 2, Topic: B anomalies, the U1 leptoquark and dark matter, arxiv:2206.11305 )
Nayan Das (February 23, Topic: A seesaw model for large neutrino masses in concordance with cosmology, arxiv:2211.01729 , arxiv:1510.02201 )
Prantik Sarmah (March 16, Topic: On ALP scenarios of GRB221009A, arxiv:2211.02010 )
Subhaditya Bhattacharya (March 30, Topic: New freeze-out mechanism for strongly interacting dark matter, arxiv:2002.04038 )
Arunansu Sil (April 27, Topic: Baryon asymmetry of the universe from lepton flavour violation, arxiv:2111.03082 )
Niloy Mondal (May 11, Topic: Dark matter from exponential growth, arxiv:2103.16572 )
Gravity Journal Club Schedule (Spring 2023)
Sayan Chakrabarti (January 19, Topic: Holography of the photon ring , arxiv:2205.05064)
Sumit Dey (March 2, March 23, Topic: Boundary and corner terms in the action of General Relativity, arxiv:1612.00149 , arxiv:1609.00207 , arxiv:1501.01053 )
Banashree Baishya (April 6, April 20, Topic: Chaotic strings in AdS/CFT, arxiv:1709.01052 )
Seshadri Majumder (April 20, Topic: The evolving properties of the corona of GRS 1915+105: a spectral-timing perspective through variable-comptonisation modelling, arxiv:2204.13279 )
Samik Mitra (May 4, Topic: The role of strong magnetic fields in stabilising highly luminous thin disks, arxiv:2209.03317 )
Subhasis Maiti (May 18, Topic: Constraining axion inflation with gravitational waves across 29 decades in frequency, arxiv:1909.12843 )
Student Secretary of HEP and Gravity Journal Club (2022-23)
Soumen Kumar Manna (HEP)
Banashree Baishya (Gravity)
From March 24, 2022, regular (offline) journal club has resumed in accordance with the institute/government rules related to covid-19. Talks are scheduled on Thursday at 5:15 PM. The venue is usually the seminar room of the physics department.
List of Speakers (2022 Spring Semester)
Dr. Debaprasad Maity (March 24, March 31, Topic: Gravitational portals with non-minimal couplings, arxiv:2203.02004)
Lipika Kolay (April 7, Topic: Flavour anomalies and muon g-2 from feebly interacting particles, arxiv:2106.12582)
Dr. Sayan Chakrabarti (April 21, Topic: Non-divergent deflection of light around a photon sphere of a compact object, arxiv:2201.01946 )
Nayan Das (May 12, Topic: When FIMPs decay into neutrinos: the Neff story, arxiv:2103.09831 )
Ipsita Ray (May 19, Topic: Loopy determinations of Vub and Vcb, arxiv:2112.03437 )
Md. Shafeeque (May 26, Topic: Tidal Love numbers of neutron stars in f(R) gravity, arxiv:1803.09534 )
From Autumb 2022 Semester, the HEP and Gravity Journal Clubs are going to run every week (similar to pre-pandemic days) on Thursday and Friday respectively at 5:15 PM IST. The venue is usually the seminar room of the physics department unless otherwise specified.
HEP Journal Club Schedule (Autumn 2022)
Sahabub Jahedi (August 11, Topic: Search for anomalous Z Z gamma and Z gamma gamma couplings via nu nu gamma production at the CLIC, arxiv:2203.02352)
Debasish Borah (August 18, Topic: Indications for a non-zero lepton asymmetry in the early universe, arxiv:2206.00693 )
Pritam Das (August 25, Topic: The simplest and most predictive model of muon g-2 and thermal dark matter, arxiv:2107.09067)
M C Kumar (September 1, Topic: Complete SMEFT predictions for four top quark production at hadron colliders, arxiv:2208.04962)
Indrajit Saha (September 8, Topic: Impact of first order phase transition on dark matter production in the scotogenic model, arxiv:2207.14662)
Shantanu Sahoo (September 15, Topic: Phenomenology of \Lambda_b \to \Lambda_c \tau \bar{\nu_\tau} using lattice QCD calculations, arxiv:1702.02243)
Utsab Dey (September 29, Topic: V_cb determination from inclusive b-> c decays: an alternative method, arxiv:1812.07472)
Ria Sain (October 13, Topic: New physics contributions to moments of inclusive b-> c semileptonic decays, arxiv:2208.04282)
Dipankar Pradhan (October 20, Topic: Dark matter freeze-in from semi-production, arxiv:2104.05684)
Dipendu Bhandari (October 27, Topic: Leptogenesis triggered by a first-order phase transition, arxiv:2206.04691)
Soumen Manna (November 3, Topic: Altered axion abundance from a dynamical Peccei-Quinn scale, arxiv:2203.15817)
Chinmoy Dey (November 17, Topic: t-tbar-H production in NNLO QCD, arxiv:2210.07846)
Gravity Journal Club Schedule (Autumn 2022)
Santabrata Das (August 12, Topic: Shocks in radiatively driven time dependent, relativistic jets around black holes , arxiv:2205.10502)
Saraswati Devi (August 26, Topic: Shadows of spherically symmetric black holes and naked singularities , arxiv:1802.08060)
Amit Kumar (September 2, Topic: Can black-hole neutrino-cooled disks power short gamma-ray bursts? , arxiv:1504.02156)
Camelia Jana (September 9, Topic: The dynamical structure of the outflows driven by a large-scale magnetic field, arxiv:2111.15115)
Suruj Jyoti Das (October 14, Topic: Gravitational wave constraints on the primordial black hole dominated early universe, arxiv:2012.08151)
Ayan Chakraborty (October 21, Topic: Gravitational reheating through conformally coupled superheavy scalar particles, arxiv:1809.05410)
Sourav Pal (October 28, Topic: Faraday effect of light caused by plane gravitational wave, arxiv:2206.08867)
Esha Bhatia (November 4, Topic: Constraining f(R) theories with the energy conditions, arxiv:gr-qc/0608072)
Subhankar Patra (November 11, Topic: Global structure and dynamics of slowly rotating accretion flows, arxiv:2208.13369)
Dipankar Barman (November 18, Topic: Mechanism for the quantum natured gravitons to entangle masses, arxiv:2201.03583)
Gargi Sen (November 25, Topic: Thin accretion disk luminosity and its image around rotating black holes in perfect fluid dark matter, arxiv:2210.04173)
Due to disruption of regular academic activities in the wake of the covid 19 pandemic, usual journal club activities had to be postponed. We have started online HEP journal club from June 2020.
List of speakers (2021-2022):
Madhurima Chakraborty (August 26, Topic: Stellar Collapse Diversity and the Diffuse Supernova Neutrino Background, Reference: arxiv:2010.04728 )
Sourav Pal (September 9, Topic: Modifications to cosmological power spectra from scalar-tensor entanglement and their observational consequences, Reference: arxiv:1605.01008 )
Shantanu Sahoo (September 16, Topic: Precision model-independent bounds from global analysis of b -> c l nu form factors, Reference: arxiv:1909.10691 )
Gargi Sen (September 30, Topic: Quasi-periodic oscillations from the accretion disk around rotating traversable wormholes, arxiv:2103.13504 )
Suruj Jyoti Das (October 21, Topic: Asymmetric reheating by Primordial Black Holes, arxiv:2108.08329)
Sumit Dey (October 28, Topic: Basics of apparent horizon in black hole physics, arxiv:2108.05119)
Banashree Baishya (November 11, Topic: Diagnosing Chaos Using Four-Point Functions in Two-Dimensional Conformal Field Theory, arxiv:1412.5123)
Chinmoy Dey (November 18, Topic: Anomalous couplings in associated V H production with Higgs decay to massive b quarks at NNLO in QCD, arxiv:2106.06328 )
Seshadri Majumdar (December 2, Topic: Spectral and timing evolution of MAXI J1631-479 during the 2018-19 outburst with NICER, arxiv:2105.08426)
Dr. Soumitra Nandi (December 9, Topic: Quark Flavour Phenomenology of the QCD Axion, arxiv:2002.04623)
Suresh Chand (January 6, Topic: Charge quantization from a number operator , arxiv:1603.04078)
Dr. Bibhas Ranjan Majhi (January 13, Topic: Thermodynamic equilibrium of perfect fluid in presence of gravity: current status, arxiv:1911.09060, arxiv:2112.12282)
Dr. Arunansu Sil (January 20, Topic: Thermal Dark Matter from Freezeout of Inverse Decays , arxiv:2111.12857)
Samik Mitra (January 27, Topic: Polarization Imaging of M87 Jets by General Relativistic Radiative Transfer Calculation based on GRMHD Simulations, arxiv:2002.00954)
Monu Singh (February 17, Topic: Self-similar Solution of Hot Accretion Flow with Thermal Conduction and Anisotropic Pressure, arxiv:2201.03828)
Prantik Sarmah (February 24, Topic: High-energy neutrinos from X-rays flares of blazers frequently observed by the Swift X-Ray Telescope, arxiv:2111.09320)
Dr. Subhajit Barman (March 10, Topic: Detectors for probing relativistic quantum physics beyond perturbation theory, arxiv:1212.1973)
Dr. Subhaditya Bhattacharya (March 17, Topic: Single Top Quark Production with and without a Higgs Boson, arxiv:2105.04464)
Platform: Microsoft Team
Student Secretary of HEP and Gravity Journal Club
Prantik Sarmah, Suruj Jyoti Das (2021-22)
Arghyajit Datta , Surojit Dalui (2020-21)
Due to disruption of regular academic activities in the wake of the covid 19 pandemic, usual journal club activities had to be postponed. We have started online HEP journal club from June 2020.
List of speakers:
Lopamudra Mukherjee (June 4, Topic: Higgs Portal From The Atmosphere To Hyper-K, Reference: arxiv:2005.08980 )
Prantik Sarmah (June 11, Topic: Excess in the Cosmic Radio Background, Reference: arxiv: 0901.0555 , arxiv:1305.7060 )
Subhaditya Bhattacharya (July 2, Topic: Single Top with Z and H production at LHC: SMEFT approach, Reference: arxiv: 1804.07773 )
Dibyendu Nanda (July 16, Topic: Hubble tension and its connection with self-interacting neutrinos. Reference: arxiv:1902.00534 , arxiv:1905.02727 )
Kajal Samanta (August 29, Topic: Recent results of 3 loop QCD computation of SM Drell-Yan process at LHC, Reference: arxiv:2007.13313 , arxiv:2001.07717 )
Samik Mitra (September 10, Topic: Plasmoid formation in global GRMHD simulations and AGN flares, Reference: arxiv:2002.01777)
Santrabrata Das ( September 24, Topic: Strongly magnetized accretion disks: structure and accretion from global magnetohydrodynamic simulations, Reference: arxiv:1907.08995)
Ipsita Ray (September 17, Topic: CP violation from dimension-6 Yukawa couplings, Reference: arxiv:2003.00099 , arxiv:1911.08495)
Sahabub Jahedi (October 1, Topic: Characterization of Dark Matter indirect detection experiments: Singlino versus Higgsino, Reference: arxiv:2008.06778 , arxiv:0907.4374)
Riajul Haque (January 1, Topic:Inflaton Oscillations and Post-Inflationary Reheating, Reheating and Post-inflationary Production of Dark Matter : Reference: arXiv:2012.10756 [hep-ph], arXiv:2004.08404 [hep-ph] )
Dipankar Pradhan (January 21, Topic: Filtered Dark Matter at a First Order Phase Transition, Reference:arxiv:1912.02830 )
Sumit Dey ( January 28, Topic: Spacetime thermodynamics in presence of torsion, Reference:arXiv:1709.04031 )
Debasish Borah (February 4, Topic: Leptogenesis with Primordial Black Holes, Reference:arxiv:2010.03565)
Debaprasad Maity (February 11, Topic: Curing inflationary degeneracies using reheating predictions and relic gravitational waves, Reference:arXiv:2101.00271 )
Arghyajit Datta (March 4, Topic: Neutrino self-interactions and XENON1T electron recoil excess, Reference:arxiv:2006.11919)
Monu Singh (March 11, Topic: The Gravitational Redshift Observed in the Nucleus of NGC 4258 and its Impact on the Estimation of the Central Black Hole Mass, Reference:arXiv:2012.05487 )
Esha Bhatia ( April 1, Topic: NGC 1052-DF2 And Modified Gravity (MOG) Without Dark Matter, Reference:arXiv:1805.01117 )
Soumen Manna (April 8, Topic: Getting a THUMP from a WIMP, Reference:arxiv:1912.05572)
Platform: Microsoft Team
Student Secretary of HEP and Gravity Journal Club
Prantik Sarmah, Suruj Jyoti Das (2021-22)
Arghyajit Datta , Surojit Dalui (2020-21)
Dr. Dibyendu Nanda, Rajesh Karmakar (2019-20)
Dr. Rishav Roshan (2018-19)
Dr. Purusottam Ghosh (2017-18)
Dr. Abhijit Kumar Saha (2016-17)
For details related to JC talks in the past, please visit the archive section.