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19922026
most citedNeutrino Masses and Leptogenesis with Heavy Higgs Triplets

518 citations

Showing 2025Show all

63 papers · 1 filter

astro-ph.SR2025★ 2 cited

HEL1OS -- A Hard X-ray Spectrometer on Board Aditya-L1

Anuj Nandi, Manju Sudhakar, Srikar Paavan Tadepalli +33

HEL1OS (High Energy L1 Orbiting X-ray Spectrometer) is one of the remote sensing payloads on board Aditya-L1 mission designed to continuously monitor and measure the time-resolved…

astro-ph.GA2025

FIRESTORM I: Stellar Feedback and Gas Kinematics in the Evolved W40 Hub-Filament System

Ming-Kang Lim, Ram K. Yadav, L. K. Dewangan +12

The FIRESTORM project--Feedback-Induced Regions and Emission from Star-forming Tracers of ObseRvable Molecular Gas--has targeted four star-forming regions to quantify the impact of…

astro-ph.HE2025★ 2 cited

The Indian Pulsar Timing Array Data Release 2: II. Customised Single-Pulsar Noise Analysis and Noise Budget

K. Nobleson, Churchil Dwivedi, Shantanu Desai +33

We present the results of customised single-pulsar noise analysis of 27 millisecond pulsars from the second data release of the Indian Pulsar Timing Array (InPTA-DR2). We model var…

hep-ph2025

Universal Seesaw Leptogenesis

K. S. Babu, Maximilian Berbig, Srubabati Goswami +1

We study the implications for leptogenesis in a class of left-right symmetric model, where all fermion masses are induced through the Universal Seesaw mechanism. Unlike conventiona…

astro-ph.GA2025

Discovery of a rich population of compact hub-filament systems in a single star-forming complex

L. K. Dewangan, Ram K. Yadav, Saurabh Sharma +4

We report the discovery of 45 compact hub-filament systems (HFSs; median size 2.4 pc) in infrared-dark clouds (IRDCs) in the W33 complex, located at the junction of the Scutu…

astro-ph.IM2025★ 1 cited

Revisiting wideband pulsar timing measurements

Abhimanyu Susobhanan, Avinash Kumar Paladi, Réka Desmecht +28

In the wideband paradigm of pulsar timing, the time of arrival of a pulsar pulse is measured simultaneously with the corresponding dispersion measure from a frequency-resolved inte…

hep-ph2025★ 2 cited

Enhancing the sensitivity to neutrino oscillation parameters using synergy between T2K, NOA and JUNO

Srubabati Goswami, Aman Gupta, Ushak Rahaman +1

We study the impact of combining the present NOA and T2K data with simulated data from the JUNO experiment on the determination of the leptonic CP phase and the neutrino mass hi…

astro-ph.EP2025★ 2 cited

Dynamical simulation of the Interstellar Comet 3I/ATLAS

Goldy Ahuja, Shashikiran Ganesh

Comet 3I/ATLAS, also known as C/2025 N1, was discovered on 2025 July 1 UT by NASA Asteroid Terrestrial-impact Last Alert System (ATLAS), with a v 58 kms. T…

physics.atom-ph2025

Comprehensive Assessment of Properties for Nuclear Clock and Fundamental Physics Applications

A. Chakraborty, B. K. Sahoo

By employing singles, doubles, and triples excitations within the relativistic coupled-cluster framework, we perform comprehensive calculations of a wide range of atomic properties…

astro-ph.SR2025

Newborn jet in the symbiotic system R Aquarii

T. Liimets, D. P. K. Banerjee, M. Santander-García +12

R Aquarii (R Aqr) is a well-known symbiotic binary that has attracted renewed interest during its recent periastron passage, an event that occurs only once every about 40 years. Th…

astro-ph.SR2025

An Unusual Velocity Field in a Sunspot Penumbra

H. Balthasar, C. Denker, A. Diercke +6

The photospheric Evershed flow is normally oriented radially outward, yet sometimes opposite velocities are observed not only in the chromosphere but also in the photospheric layer…

astro-ph.IM2025

A summary of instruments proposed for observing pulsating variables from the Mt. Abu Observatory

Anwesh Kumar Mishra, Deekshya Roy Sarkar, Prachi Prajapati +3

Pulsating variables play a significant role in shaping modern astronomy. Presently it is an exciting era in observational study of variable stars owing to surveys like OGLE and TES…

astro-ph.SR2025★ 1 cited

Exploring stellar activity in a sample of active M dwarfs

A. S. Rajpurohit, V. Kumar, K. Srivastava Mudit +3

Most M dwarfs show higher chromospheric activity, often exceeding solar levels. Characterizing stellar activity is essential, particularly since these stars are prime targets in th…

hep-ph2025

Limits on the axion-photon coupling from Chandrayaan-2 observations

Tanmoy Kumar, N. P. S. Mithun, Subhendra Mohanty +3

Axions and axion-like particles (ALPs) have gained immense attention in searches for beyond Standard Model (BSM) physics. Experiments searching for axions leverage their predicted…

hep-ph2025

Stable and Interpretable Jet Physics with IRC-Safe Equivariant Feature Extraction

Partha Konar, Vishal S. Ngairangbam, Michael Spannowsky +1

Deep learning has achieved remarkable success in jet classification tasks, yet a key challenge remains: understanding what these models learn and how their features relate to known…

astro-ph.GA2025★ 4 cited

Vacuum Ultraviolet Photoabsorption Spectra of Icy Isoprene and its Oligomers

R Ramachandran, S Pavithraa, J K Meka +8

Isoprene and its oligomers, terpenes, are expected to be present, along with other complex organic molecules, in the diverse environments of the ISM and in our solar system. Due to…

physics.soc-ph2025

Bunching of extreme events on complex network

Sarvesh K. Upadhyay, Vimal Kishore, Sanjay Kumar +1

Extreme events such as earthquakes, floods, and power blackouts often display burst phenomena where multiple extreme events occur in quick succession or in bunches. This study exam…

astro-ph.EP2025

An Initial Assessment of the Hanle Echelle Spectrograph for Exoplanet Atmosphere Studies

Manjunath Bestha, Athira Unni, T. Sivarani +6

Transmission spectroscopy is an effective technique for probing exoplanetary atmospheres. While most observations have relied on space facilities such as HST and JWST, ground-based…

astro-ph.GA2025★ 7 cited

A misaligned protostellar disk fed by gas streamers in a barred spiral-like massive dense core

Xiaofeng Mai, Tie Liu, Xunchuan Liu +42

High-mass stars, born in massive dense cores (MDCs), profoundly impact the cosmic ecosystem through feedback processes and metal enrichment, yet little is known about how MDCs asse…

astro-ph.GA2025

Characterizing the interplay between Galactic star formation and ionization feedback with PRIMA

Annie Zavagno, Delphine Russeil, Paolo Suin +13

Recent results from the James Webb Space Telescope show that nearby spiral galaxies are dominated by the presence of H I and H II bubbles that strongly shape their surrounding medi…

hep-ex2025

Towards mono-energetic virtual beam cross-section measurements: A feasibility study of -Ar interaction analysis with DUNE-PRISM

DUNE Collaboration, S. Abbaslu, A. Abed Abud +1321

Neutrino-nucleus cross-section measurements are critical for future neutrino oscillation analyses. However, our models to describe them require further refinement, and a deeper und…

astro-ph.EP2025★ 3 cited

Long-term monitoring of a dynamically new comet C/2020 V2 (ZTF)

Goldy Ahuja, K. Aravind, Shashikiran Ganesh +5

Comet C/2020 V2 (ZTF) is categorized as a dynamically new long-period comet, making its first approach to the inner Solar system. We have observed this comet for around 32 months (…

physics.atom-ph2025★ 1 cited

Investigating Roles of Triple Excitations for High-precision Determination of Clock Properties of Alkaline Earth Metal Singly Charged Ions

A. Chakraborty, Vaibhav Katyal, B. K. Sahoo

High-accuracy calculations of electric dipole polarizabilities and quadrupole moments () of the clock states of the singly charged calcium (Ca), strontium (Sr) and bariu…

cond-mat.supr-con2025★ 5 cited

Spin polarization and diode effect in thermoelectric current through altermagnet-based superconductor heterostructures

Debika Debnath, Arijit Saha, Paramita Dutta

The recent advent of a new class of magnetic material named as {\it altermagnet} (AM), characterized by a combination of momentum-dependent spin splitting with zero net magnetizati…