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Hybrid recoil mass analyzer at IUAC – First results using gas-filled mode and future plans
J J Das1  A Choudhury3  P Sugathan3  E Prasad6  U G Naik3  S Kalkal4  G Mohanto3  Rajesh Kumar3  R Singh34  T S Datta3  T Varughese3  Rakesh Kumar3  S Rao3  A Jhingan3  R K Bhowmik3  M Archunan3  K Rani3  R P Singh3  S K Suman3  S Muralithar3  E T Subramanian3  A J Malyadri3  Mukesh Kumar3  A K Sinha2  J Zacharias3  K S Golda3  P Barua3  M C Radhakrishna5  K M Varier6  A Mandal3  B P Ajith Kumar3  J Chacko3  J Gehlot3  N Madhavan13  A Roy3  S Nath3 
[1] Oak Ridge National Lab, USA$$;UGC-DAE Consortium for Scientific Research, Kolkata Centre, Kolkata 700 098, India$$;Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi 110 067, India$$;Department of Physics and Astrophysics, University of Delhi, New Delhi 110 007, India$$;Department of Physics, Bangalore University, Bengaluru 560 056, India$$;Department of Physics, Calicut University, Calicut 673 635, India$$
关键词: Fusion;    heavy evaporation residues;    gas-filled separator;    recoil mass spectrometer;    momentum achromat.;   
DOI  :  
学科分类:物理(综合)
来源: Indian Academy of Sciences
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【 摘 要 】

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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