454 citations · 2.9k across the 211 of their papers we have counts for
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New constraints on non-unitary neutrino mixing from 8 years of IceCube DeepCore atmospheric neutrino data
Sharmistha Chattopadhyay, Anil Kumar, Sanjib Kumar Agarwalla
The mixing between flavor and mass eigenstates of active neutrinos is described by a unitary matrix. However, the presence of additional heavy sterile neutrino states ca…
Constraints on long-range neutrino interactions from a variety of symmetries using atmospheric neutrinos at IceCube DeepCore
Gopal Garg, J Krishnamoorthi, Anil Kumar +1
Neutrino oscillation experiments provide a unique probe to search for the physics beyond the Standard Model. In this work, we search for a broad class of anomaly-free flavor-depend…
-free constraints on NSI parameters and using high-purity CC events at IceCube DeepCore
J Krishnamoorthi, Anil Kumar, Sanjib Kumar Agarwalla
Atmospheric neutrinos provide a unique avenue to probe theories beyond the Standard Model (BSM) over a wide range of energies and path lengths. The theory of nonstandard interactio…
First Constraints on Long-Range Neutrino Interactions using IceCube DeepCore
Gopal Garg, J Krishnamoorthi, Anil Kumar +1
We present the first search for new flavor-dependent long-range interactions (LRI) of neutrinos using publicly available 8 years of high-purity CC data from IceCube DeepCore.…
Stringent constraints on nonstandard neutrino interactions using high-purity CC events in IceCube DeepCore
J Krishnamoorthi, Anil Kumar, Sanjib Kumar Agarwalla
The neutral-current (NC) nonstandard interactions (NSIs) of neutrinos with fermions can modify the flavor oscillations of atmospheric neutrinos as they propagate through the Earth.…
Probing Earth's core using atmospheric neutrino oscillations in the presence of NSI at INO-ICAL
Krishnamoorthi J, Anuj Kumar Upadhyay, Anil Kumar +1
Neutrinos can serve as a complementary and independent tool to gravitational and seismic studies in exploring the interior of Earth, thanks to their unique properties: extremely lo…
A plethora of long-range neutrino interactions probed by DUNE and T2HK
Sanjib Kumar Agarwalla, Mauricio Bustamante, Masoom Singh +1
The next-generation neutrino oscillation experiments would be sensitive to the new neutrino interactions that would strengthen the search for physics beyond the Standard Model. In…
Constraints on flavor-dependent long-range interactions of high-energy astrophysical neutrinos
Sanjib Kumar Agarwalla, Mauricio Bustamante, Sudipta Das +1
Astrophysical neutrinos with energy in the TeV-PeV range traverse megaparsecs (Mpc) to gigaparsecs (Gpc) scale distances before they reach the Earth. Tiny physics effects that get…
Flavor-Dependent Long-Range Neutrino Interactions in DUNE and T2HK: Synergy Breeds Power
Masoom Singh, Mauricio Bustamante, Sanjib Kumar Agarwalla
Discovering new neutrino interactions would provide evidence of physics beyond the Standard Model. We focus on flavor-dependent long-range neutrino interactions mediated by ultra-l…
Exploring constraints on the core radius and density jumps inside Earth using atmospheric neutrino oscillations
Anuj Kumar Upadhyay, Anil Kumar, Sanjib Kumar Agarwalla +1
Atmospheric neutrinos, through their weak interactions, can serve as an independent tool for exploring the internal structure of Earth. The information obtained would be complement…
Improved precision on 2-3 oscillation parameters using the synergy between DUNE and T2HK
Sanjib Kumar Agarwalla, Ritam Kundu, Masoom Singh
A high-precision measurement of and is inevitable to estimate the Earth's matter effect in long-baseline experiments which in turn plays an important role in a…
Constraining the core radius and density jumps inside Earth using atmospheric neutrino oscillations
Anuj Kumar Upadhyay, Anil Kumar, Sanjib Kumar Agarwalla +1
Atmospheric neutrinos probe the interior of Earth using weak interactions, and provide information complementary to that of gravitational and seismic measurements. While passing th…
A plethora of long-range neutrino interactions probed by DUNE and T2HK
Sanjib Kumar Agarwalla, Mauricio Bustamante, Masoom Singh +1
Upcoming neutrino experiments will soon search for new neutrino interactions more thoroughly than ever before, boosting the prospects of extending the Standard Model. In anticipati…
Probing the interior of Earth using oscillating neutrinos at INO-ICAL
Anil Kumar, Anuj Kumar Upadhyay, Sanjib Kumar Agarwalla +1
Atmospheric neutrinos offer the possibility of exploring the internal structure of Earth. This information is complementary to the traditional probes of seismic and gravitational s…
Constraining non-unitary neutrino mixing using matter effects in atmospheric neutrinos at INO-ICAL
Sadashiv Sahoo, Sudipta Das, Anil Kumar +1
The mass-induced neutrino oscillation is a well established phenomenon that is based on the unitary mixing among three light active neutrinos. Remarkable precision on neutrino mixi…
Flavor-dependent long-range neutrino interactions in DUNE & T2HK: alone they constrain, together they discover
Masoom Singh, Mauricio Bustamante, Sanjib Kumar Agarwalla
Discovering new neutrino interactions would represent evidence of physics beyond the Standard Model. We focus on new flavor-dependent long-range neutrino interactions mediated by u…
Present and future constraints on flavor-dependent long-range interactions of high-energy astrophysical neutrinos
Sanjib Kumar Agarwalla, Mauricio Bustamante, Sudipta Das +1
The discovery of new, flavor-dependent neutrino interactions would provide compelling evidence of physics beyond the Standard Model. We focus on interactions generated by the anoma…
Constraining Lorentz Invariance Violation with Next-Generation Long-Baseline Experiments
Sanjib Kumar Agarwalla, Sudipta Das, Sadashiv Sahoo +1
Unified theories such as string theory and loop quantum gravity allow the Lorentz Invariance Violation (LIV) at the Planck Scale ( GeV). Using an effective field…
Enhancing Sensitivity to Leptonic CP Violation using Complementarity among DUNE, T2HK, and T2HKK
Sanjib Kumar Agarwalla, Sudipta Das, Alessio Giarnetti +2
After the landmark discovery of non-zero by the modern reactor experiments, unprecedented precision on neutrino mass-mixing parameters has been achieved over the past deca…
Locating the Core-Mantle Boundary using Oscillations of Atmospheric Neutrinos
Anuj Kumar Upadhyay, Anil Kumar, Sanjib Kumar Agarwalla +1
Atmospheric neutrinos provide a unique avenue to explore the internal structure of Earth based on weak interactions, which is complementary to seismic studies and gravitational mea…
Discriminating between Lorentz violation and non-standard interactions using core-passing atmospheric neutrinos at INO-ICAL
Sadashiv Sahoo, Anil Kumar, Sanjib Kumar Agarwalla +1
Precision measurements of neutrino oscillation parameters have provided a tremendous boost to the search for sub-leading effects due to several beyond the Standard Model scenarios…
High-Energy and Ultra-High-Energy Neutrinos
Markus Ackermann, Sanjib K. Agarwalla, Jaime Alvarez-Muñiz +43
Astrophysical neutrinos are excellent probes of astroparticle physics and high-energy physics. With energies far beyond solar, supernovae, atmospheric, and accelerator neutrinos, h…
Probing dark matter inside Earth using atmospheric neutrino oscillations at INO-ICAL
Anuj Kumar Upadhyay, Anil Kumar, Sanjib Kumar Agarwalla +1
The interior of Earth's core can be explored using weak interactions of atmospheric neutrinos. This would complement gravitational and seismic measurements, paving the way for mult…
A close look on 2-3 mixing angle with DUNE in light of current neutrino oscillation data
Sanjib Kumar Agarwalla, Ritam Kundu, Suprabh Prakash +1
Recent global fit analyses of oscillation data show a preference for normal mass ordering (NMO) at 2.5 and provide 1.6 indications for lower octant and leptonic CP v…