INSTITUTIONAL DIGITAL REPOSITORY

Browsing Research Publications by Author "Nanal, V."

Browsing Research Publications by Author "Nanal, V."

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  • Background estimation studies for positron double Beta decay 
    Thakur, S; Mazumdar, A.; Shah, R; Vatsa, V.; Nanal, V.; Pose, P.S.; Singh, P P.; Raina, P.K.; Pillay, R. G. (2024-05-12)
    Abstract: The study of neutrinoless double beta decay (DBD) has attracted much attention because it can provide valuable information about the mass and the nature of the neutrino. DBD itself is also of interest in nuclear ...
  • A cryogenic front-end preamplifier operating at 120 K for bolometric detector 
    Reza, A.; Vatsa, V.; Pose, M.S.; Mazumdar, A.; Garai, A.; Krishnamoorthy, H.; Gupta, G.; Nanal, V.; Pillay, R.G.; Shrivastava, A. (2020-03-16)
    In this paper, the design and test results of a front-end cryogenic amplifier for a bolometer detector are presented. The amplifier is implemented with two low-noise Si JFETs, where the first FET is configured as a source ...
  • Fusion of the borromean nucleus Be9 with a 197Au target at near-barrier energies 
    Kaushik, M.; Gupta, G.; Thakur, S.; Krishnamoorthy, H.; Singh, P. P.; Parkar, V. V.; Nanal, V.; Shrivastava, A.; Pillay, R. G.; Mahata, K.; Ramachandran, K.; Pal, S.; Palshetkar, C. S.; Pandit, S. K. (2021-06-15)
    To probe the role of the intrinsic structure of the projectile on subbarrier fusion, measurement of fusion cross sections has been carried out in a 9 Be + 197Au system in the energy range Ec.m./VB ≈ 0.82 to 1.16 ...
  • Influence of contact geometry on NTD sensor performance 
    Vatsa, V.; Reza, A.; Mazumdar, A.; Nanal, V.; Pillay, R. G.; Shrivastava, A.; Ramakrishnan, S.; Mallikarjunachary, S.; Pose, M. S. (2021-11-27)
    A cryogenic bolometer with Neutron Transmutation Doped Ge as mK thermometer is being developed to study neutrinoless double beta decay (NDBD) in 124Sn. The performance and sensitivity of the sensor strongly depends on ...
  • Investigating neutron transfer in the Be 9 + Au 197 system 
    Kaushik, M.; Pandit, S. K.; Parkar, V. V.; Gupta, G.; Thakur, S.; Nanal, V.; Krishnamoorthy, H.; Shrivastava, A.; Palshetkar, C. S.; Mahata, K.; Ramachandran, K.; Pal, S.; Pillay, R. G.; Singh, P. P. (2021-10-18)
    In this work n-transfer and incomplete fusion cross sections for the 9 Be + 197Au system are reported over a wide energy range, Ec.m. ≈ 29-45 MeV. The experiment was carried out using the activation technique and off-line ...
  • Investigation of an intruder band in 45 Sc via coulomb excitation ∗ 
    Minda, M. M.; Kumar, R.; Napiorkowski, P. J.; Saxena, M.; Duttd, S.; Agarwal, A.; Ahmed, I.; Bhattacharya, S.; Jhingan, A.; Kaur, J.; Habior, M. K.; Kumar, M.; Kumar, S.; Kumar, D.; Nanal, V.; Palit, R.; Rai, N. K.; Shuaib, M.; Soodl, A.; Stolarz, A.; Trivedi, T.; Tyagi, A. K.; Bhowmik, R. K.; Wollersheim, H. J. (2021-08-25)
    In order to gain further information on the electromagnetic properties of the low-lying states in 45Sc, a Coulomb excitation measurement was carried out at the IUAC, New Delhi. The 45Sc target nuclei were Coulomb excited ...
  • Neutron transfer in 9Be + 159Tb system 
    Kaushik, M.; Gupta, G.; Parkar, V.V.; Pandit, S.K.; Thakur, S.; Nanal, V.; Shrivastava, A.; Pillay, R.G.; Krishnamoorthy, H.; Mahata, K.; Pal, S.; Palshetkar, C.S.; Ramachandran, K.; Singh, P.P. (2022-08-18)
    One neutron stripping cross sections (σ-1n) are measured in 9Be+159Tb system in the energy range Ecm/VB∼ 0.79–1.24 using offline gamma counting technique. The CRC model calculations including the ground state and the 2+ ...
  • New limit for the half-life of double beta decay of 94Zr to the first excited state of 94Mo 
    Dokania, N.; Nanal, V.; Gupta, G.; Pal, S.; Pillay, R.G.; Rath, P.K.; Tretyak, V.I.; Garai, A.; Krishnamoorthy, H.; Ghosh, C.; Raina, P.K.; Bhushan, K.G. (2017-06-19)
    Neutrinoless Double Beta Decay is a phenomenon of fundamental interest in particle physics. The decay rates of double beta decay transitions to the excited states can provide input for Nuclear Transition Matrix Element ...
  • Revised lifetime of the 11/2 − state in 45Sc via coulomb excitation∗ 
    Minda, M. M.; Napiorkowski, P. J.; Kumar, R.; Saxena, M.; Dutt, S; Agarwal, A.; Ahmed, I.; Bhattacharya, S.; Jhingan, A.; Kaur, J.; Habior, M. K.; Kumar, M.; Kumar, S.; Kumar, D.; Nanal, V.; Palit, R.; Rai, N. K.; Shuaib, M.; Sood, A.; Stolarz, A.; Trivedi, T.; Tyagi, A. K.; Bhowmik, R. K.; Wollersheim, H. J. (2021-06-16)
    A Coulomb-excitation measurement to study low-energy electromagnetic properties of 45Sc has been performed at the IUAC facility in New Delhi, India using a 70 MeV 32S projectile from the 15UD tandem accelerator. The ...
  • Simulation studies for source optimization in 96Zr β decay 
    Thakur, S.; Nanal, V.; Singh, P.P.; Pillay, R.G.; Krishnamoorthy, H.; Mazumdar, A.; Reza, A.; Raina, P.K.; Vatsa, V. (2022-07-15)
    The single β decay of 96Zr to the ground state of 96Nb is spin forbidden and poses a great experimental challenge. The β decay of 96Zr can be studied via coincident detection of de-exciting gamma rays in 96Mo, which is ...
  • Study of the effect of external noise pickups on the performance of a cryogenic bolometer 
    Garai, A.; Reza, A.; Mazumdar, A.; Krishnamoorthy, H.; Gupta, G.; Pose, M.S.; Mallikarjunachary, S.; Nanal, V.; Pillay, R.G.; Ramakrishnan, S. (2019-12-11)
    This paper reports the detailed noise characterization, investigation of various noise sources, and its mitigation to improve the performance of a cryogenic bolometer detector for the TIN.TIN experiment. The noise spectrum ...
  • Study of γ -ray background from cosmic muon induced neutrons 
    Krishnamoorthy, H.; Gupta, G.; Garai, A.; Mazumdar, A.; Reza, A.; Pal, S.; Pethuraj, S.; Nanal, V.; Shrivastava, A.; Pillay, R. G. (2021-08-20)
    The contribution to γ-ray background from secondary neutrons, originating from cosmic muon interactions in Pb-Cu composite shield, has been measured via (n, n γ) reactions in Cu and Ge. The minimization of background ...
  • Study of γ -ray background from cosmic muon induced neutrons 
    Krishnamoorthy, H.; Gupta, G.; Garai, A.; Mazumdar, A.; Reza, A.; Pethuraj, S.; Pal, S.; Nanal, V.; Shrivastava, A.; Pillay, R.G. (2022-08-24)
    The contribution to γ-ray background from secondary neutrons, originating from cosmic muon interactions in Pb-Cu composite shield, has been measured via (n , n γ) reactions in Cu and Ge. The minimization of background plays ...
  • Synchrotron x-ray diffraction studies of the α⇌β structural phase transition in Sn and Sn-Cu 
    Mazumdar, A.; Thamizhavel, A.; Nanal, V.; Pillay, R.G.; Upadhyay, A.; Vatsa, V.; Reza, A.; Shrivastava, A.; Chalke, Bhagyashree; Mallikarjunachary, S. (2021-05-28)
    The transformation between the metallic (β) and semiconducting (α) allotropes of tin is still not well understood. The phase transition temperature stated in the literature, 286.2 K, seems to be inconsistent with recent ...
  • Systematic Studies of a Sapphire Bolometer with Phonon Pulses in the Temperature Range of 10–100mK 
    Garai, A.; Mazumdar, A.; Reza, A.; Krishnmoorthy, H.; Gupta, G.; Nanal, V.; Pillay, R.G.; Ramakrishnan, S. (2020-12-22)
    Systematic studies with a sapphire bolometer test setup, made with indigenously made NTD Ge sensor, are carried out. A C++ and ROOT-based pulse analysis program implementing Savitzky–Golay filtering technique for analyzing ...

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