Publications (10)
Simulation studies for Tin Bolometer Array for Neutrinoless Double Beta Decay
V. Singh, N. Dokania, S. Mathimalar +2
It is important to identify and reduce the gamma radiation which can be a significant source of background for any double beta decay experiment. The TIN.TIN detector array, which i…
Study of Radioactive Impurities in Neutron Transmutation Doped Germanium
S. Mathimalar, N. Dokania, V. Singh +5
A program to develop low temperature (mK) sensors with neutron transmutation doped Ge for rare event studies with a cryogenic bolometer has been initiated. For this purpose, semico…
Radiation Background Studies for 0 decay in Sn
Neha Dokania, V. Singh, C. Ghosh +7
Radiation background studies pertaining to decay in Sn have been carried out. A TiLES setup has been installed at TIFR for this purpose. Neutron-induced backgroun…
Characterization and modeling of a low background HPGe detector
N. Dokania, V. Singh, S. Mathimalar +3
A high efficiency, low background counting setup has been made at TIFR consisting of a special HPGe detector ( 70%) surrounded by a low activity copper+lead shield. Detailed…
Chiral to Nematic Crossover in the Superconducting State of 4Hb-TaS
I. Silber, S. Mathimalar, I. Mangel +10
Most superconductors have an isotropic, single component order parameter, and are well described by the BCS theory for superconductivity. Unconventional, multiple components superc…
Estimation of low energy neutron flux ( MeV) in India-based Neutrino Observatory cavern using Monte Carlo techniques
N. Dokania, V. Singh, S. Mathimalar +4
The neutron flux at low energy ( MeV) resulting from the radioactivity of the rock in the underground cavern of the India-based Neutrino Observatory is estimated using G…
Probing pair-breaking mechanisms in proximity-induced hybrid superconducting interfaces
S. Mohapatra, S. Mathimalar, S. Chaudhary +1
Understanding depairing effects in a hybrid-superconducting interface utilizing high spin-orbit materials such as topological insulators or 1D semiconducting nanowires is becoming…
Study of neutron-induced background and its effect on the search of 0 decay in
N. Dokania, V. Singh, S. Mathimalar +6
Neutron-induced background has been studied in various components of the TIN.TIN detector, which is under development for the search of Neutrinoless Double Beta Decay in $\rm^{124}…
Characterization of neutron transmutation doped (NTD) Ge for low temperature sensor development
S. Mathimalar, V. Singh, N. Dokania +11
Development of NTD Ge sensors has been initiated for low temperature (mK) thermometry in The India-based Tin detector (TIN.TIN). NTD Ge sensors are prepared by thermal neutron irra…
Evidence of topological gap opening in the surface state of BiSe by proximity to a magnetic insulator
S. Mathimalar, S. Sasmal, P. Rajasekhar +4
Topological insulators are bulk insulators with exotic surface states, protected under time-reversal symmetry, that hold promise in observing many exciting condensed-matter phenome…