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Hybrid recoil mass analyzer at IUAC — First results using gas-filled mode and future plans

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Abstract

Hybrid recoil mass analyzer (HYRA) is a unique, dual-mode spectrometer designed to carry out nuclear reaction and structure studies in heavy and medium-mass nuclei using gas-filled and vacuum modes, respectively and has the potential to address newer domains in nuclear physics accessible using high energy, heavy-ion beams from superconducting LINAC accelerator (being commissioned) and ECR-based high current injector system (planned) at IUAC. The first stage of HYRA is operational and initial experiments have been carried out using gas-filled mode for the detection of heavy evaporation residues and heavy quasielastic recoils in the direction of primary beam. Excellent primary beam rejection and transmission efficiency (comparable with other gas-filled separators) have been achieved using a smaller focal plane detection system. There are plans to couple HYRA to other detector arrays such as Indian national gamma array (INGA) and 4π spin spectrometer for ER tagged spectroscopic/spin distribution studies and for focal plane decay measurements.

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Author notes

  1. R. Singh

    Present address: AINST, Amity University, Noida, 201 303, India

Authors and Affiliations

  1. Aruna Asaf Ali Marg, Inter University Accelerator Centre, New Delhi, 110 067, India

    N. Madhavan, S. Nath, T. Varughese, J. Gehlot, A. Jhingan, P. Sugathan, G. Mohanto, Rakesh Kumar, R. P. Singh, S. Muralithar, R. K. Bhowmik, A. Roy, Rajesh Kumar, S. K. Suman, A. Mandal, T. S. Datta, J. Chacko, A. Choudhury, U. G. Naik, A. J. Malyadri, M. Archunan, J. Zacharias, S. Rao, Mukesh Kumar, P. Barua, E. T. Subramanian, K. Rani, B. P. Ajith Kumar & K. S. Golda

  2. UGC-DAE Consortium for Scientific Research, Kolkata Centre, Kolkata, 700 098, India

    A. K. Sinha

  3. Department of Physics and Astrophysics, University of Delhi, New Delhi, 110 007, India

    R. Singh & S. Kalkal

  4. Department of Physics, Calicut University, Calicut, 673 635, India

    K. M. Varier & E. Prasad

  5. Department of Physics, Bangalore University, Bengaluru, 560 056, India

    M. C. Radhakrishna

  6. Oak Ridge National Lab, Oak Ridge, USA

    J. J. Das

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  1. N. Madhavan
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  2. S. Nath
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  19. A. Roy
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  31. Mukesh Kumar
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  33. E. T. Subramanian
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Corresponding author

Correspondence to N. Madhavan.

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Madhavan, N., Nath, S., Varughese, T. et al. Hybrid recoil mass analyzer at IUAC — First results using gas-filled mode and future plans. Pramana - J Phys 75, 317–331 (2010). https://doi.org/10.1007/s12043-010-0119-3

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  • DOI: https://doi.org/10.1007/s12043-010-0119-3

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