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Journal Articles: Recent submissions

  • First joint observation by the underground gravitational-wave detector KAGRA with GEO 600 
    Roy, Soumen; Sengupta, Anand S. et al. (Oxford University Press, 2022-06)
    We report the results of the first joint observation of the KAGRA detector with GEO 600. KAGRA is a cryogenic and underground gravitational-wave detector consisting of a laser interferometer with 3 km arms, located in ...
  • Precise probing of the inert Higgs-doublet model at the LHC 
    Ghosh, Anupam; Konar, Partha; Seth, Satyajit (American Physical Society, 2022-06)
    The inert Higgs-doublet model provides a simple framework to accommodate a viable Higgs portalscalar dark matter candidate, together with other heavier scalars of mass 100 GeV or more. We study the effect of next-to-leading ...
  • Effects of initial conditions on magnetic reconnection in a solar transient 
    Agarwal, Satyam; Bhattacharyya, Ramit; Wiegelmann, Thomas (Springer, 2022-07)
    Coronal magnetic field extrapolations are necessary to understand the magnetic field mor-phology of the source region in solar coronal transients. The extrapolation models arebroadly classified into nonforce-free ...
  • Strong-field ionization of CH3CI: proton migration and association 
    Das, Rituparna; Pandey, Deepak K.; Soumyashree, Swetapuspa; P., Madhusudhan; Nimma, Vinitha; Shameem K. M., Muhammed; Bhardwaj, Pranav; Singh, Dheeraj; Kushawaha, Rajesh Kumar (Royal Society of Chemistry, 2022-07)
    Strong-field ionization of CH3Cl using femtosecond laser pulses, and the subsequent two-body dissociation of CH3Cl2+ along Hn+ (n = 1–3) and HCl+ forming pathways, have been experimentally studied in a home-built COLTRIMS ...
  • A holistic approach to understand helium enrichment in interplanetary coronal mass ejections: new insights 
    Yogesh; Chakrabarty, Dibyendu K.; Srivastava, Neeraj (Oxford University Press, 2022-06)
    Despite helium abundance (AHe = nH/nHe) being ∼8 per cent at the solar photospheric/chromospheric heights, AHe can be found to exceed 8 per cent in interplanetary coronal mass ejections (ICMEs) on many occasions. Although ...
  • Optical linear polarization study toward czernik 3 open cluster at different spatial scales 
    Uppal, Namita; Ganesh, Shashikiran; Bisht, D. (IOP Publishing, 2022-08)
    We present the optical linear polarization observation of stars toward the core of the Czernik 3 cluster in the Sloan i band. The data were obtained using the EMPOL instrument on the 1.2 m telescope at Mount Abu Observatory. ...
  • Relativistic normal coupled-cluster theory analysis of second- and third-order electric polarizabilities of Zn I 
    Chakraborty, Arup; Sreekantham, Rithvik Kumar; Sahoo, B. K. (American Physical Society, 2022-06)
    We present precise values of electric polarizabilities for the ground state of Zn due to second-order dipole and quadrupole interactions, and due to third-order dipole-quadrupole interactions. These quantities are evaluated ...
  • Narrowband searches for continuous and long-duration transient gravitational waves from known pulsars in the LIGO-Virgo third observing run 
    Roy, Soumen; Sengupta, Anand S. et al. (IOP Publishing, 2022-06)
    Isolated neutron stars that are asymmetric with respect to their spin axis are possible sources of detectable continuous gravitational waves. This paper presents a fully coherent search for such signals from eighteen pulsars ...
  • Light cone sum rules and form factors for p → e+γ 
    Bansal, Anshika; Mahajan, Namit (Springer, 2022-06)
    Proton decay is a baryon number violating process, and hence is forbidden in the Standard Model (SM) of particle physics. Baryon number violation is expected to be an important criteria to explain the matter-anti-matter ...
  • Consolidated chemical provinces on Mars: implications for geologic interpretations 
    Rani, Alka; Sarbadhikari, A. Basu; Hood, D. R.; Gasnault, O.; Nambiar, S.; Karunatillake, S. (American Geophysical Union, 2022-07)
    Chemical provinces were defined on Mars a decade ago using orbital nuclear spectroscopy of K, Th, Fe, Si, Ca, Cl, and H2O. However, past multivariate analyses yielded three sets of provinces, suggesting methodologic ...
  • Characteristics of VOC composition at urban and suburban sites of New Delhi, India in winter 
    Tripathi, Nidhi; Sahu, L. K.; Wang, Liwei; Vats, Pawan; Soni, Meghna; Kumar, Purushottam; Satish, R., V; Bhattu, Deepika; Sahu, Ravi; Patel, Kashyap; Rai, Pragati; Kumar, Varun; Rastogi, Neeraj; Ojha, Narendra; Tiwari, Shashi; Ganguly, Dilip; Slowik, Jay; Prevot, Andre S. H.; Tripathi, Sachchida N. (American Geophysical Union, 2022-06)
    Simultaneous measurements of volatile organic compounds (VOCs) using two PTR-TOF-MS instruments were conducted at urban and suburban sites of New Delhi during the winter of 2018. The time series of VOC mixing ratios show ...
  • Photoelectrocatalytic CO2 reduction using stable lead-free bimetallic CsAgBr2 halide perovskite nanocrystals 
    Makani, Nisha Hiralal; Singh, Manoj; Paul, Tufan; Sahoo, Aditi; Nama, Jatin; Sharma, Sudhanshu; Banerjee, Rupak (Elsevier, 2022-09)
    We report on the fabrication and systematic characterization of highly stable lead-free CsAgBr2 perovskite nanocrystals (PNC) processed at room temperature without the involvement of any organic ligand. X-ray diffraction ...
  • Heavy majorana neutrino pair production from Z' at hadron and lepton colliders 
    Das, Arindam; Mandal, Sanjoy; Nomura, Takaak; Shil, Sujay (American Physical Society, 2022-05)
    A gauged U(1) extension of the Standard Model (SM) is a simple and anomaly-free framework wherethree generations of Majorana type right-handed neutrinos (RHNs) are introduced to generate light neutrinomass and flavor mixings ...
  • The 2HDM doppelganger 
    Coleppa, Baradhwaj; Sarkar, Agnivo (SpringerOpen, 2022-06)
    We discuss the structure of a model with anextended gauge symmetry groupSU(2)×SU(2)×U(1)with a correspondingly rich Electroweak Symmetry Break-ing structure. In spite of the additional scalar degrees of free-dom ...
  • All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data 
    Roy, Soumen; Sengupta, Anand S. (American Physical Society, 2022-05)
    This paper describes the first all-sky search for long-duration, quasimonochromatic gravitational-wavesignals emitted by ultralight scalar boson clouds around spinning black holes using data from the thirdobserving run of ...
  • Room-temperature surface multiferroicity in Y2NiMnO6 nanorods 
    Mishra, Shubhankar; Roy, Amritendu; Sahoo, Aditi; Satpati, Biswarup; Roychowdhury, Anirban; Mohanty, P. K.; Ghosh, Chandan Kumar; Bhattacharya, Dipten (American Physical Society, 2022-06)
    We report observation of surface-defect-induced room-temperature multiferroicity—surface ferromagnetism (MS at 50 kOe ≈0.005 emu/g), ferroelectricity (PR ≈ 2 nC/cm2), and significantly large magnetoelectric coupling (decrease ...
  • Anomaly detection in high-energy physics using a quantum autoencoder 
    Ngairangbam, Vishal S.; Spannowsky, Michael; Takeuchi, Michihisa (American Physical Society, 2022-05)
    The lack of evidence for new interactions and particles at the Large Hadron Collider (LHC) has motivated the high-energy physics community to explore model-agnostic data-analysis approaches to search for new physics. ...
  • Multispectral athermal fading rate measurements of K-feldspar 
    Devi, Monika; Chauhan, Naveen; Rajapara, Haresh; Joshi, Sachin; Singhvi, Ashok K. (Elsevier, 2022-08)
    This study reports athermal fading rates in K-feldspar grains extracted from sediments of varied ages and provenances. Multiple combinations of stimulation and emission spectral regions were examined to identify an optimum ...
  • Influence of QCD parton showers in deep learning invisible higgs bosons through vector boson fusion 
    Konar, Partha; Ngairangbam, Vishal S. (American Physical Society, 2022-06)
    Vector boson fusion established itself as a highly reliable channel to probe the Higgs boson and an avenue to uncover new physics at the Large Hadron Collider. This channel provides the most stringent bound on Higgs's ...
  • Electric-field-driven resistive transition in multiferroic SrCo2Fe16O27/Sr3Co2Fe24O41 composite 
    Mishra, Shubhankar; Sahoo, Aditi; Mondal, Suchanda; Mandal, P.; Ghosh, Chandan Kumar; Bhattacharya, Dipten (American Institute of Physics (AIP), 2022-05)
    We report on the observation of electric-field-driven resistive transition [abrupt rise in resistivity (𝜌)] at a characteristic threshold field 𝐸𝑡ℎ(𝑇) in an off-stoichiometric composite of W- and Z-type hexaferrite ...

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