33.7 MHz heavy-ion radio frequency quadrupole linac at VECC Kolkata |
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Authors: | Chakrabarti Alok Naik Vaishali Dechoudhury Siddhartha Bandyopadhyay Arup Mondal Manas Pandey Hemendra Kumar Roy Tapatee Kundu Sanyal Dirtha Bhowmick Debasis |
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Affiliation: | Variable Energy Cyclotron Centre (VECC), 1/AF, Bidhannagar, Kolkata, India. alok@veccal.ernet.in |
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Abstract: | A 33.7 MHz heavy-ion radio frequency quadrupole (RFQ) linear accelerator has been designed, built, and tested. It is a four-rod-type RFQ designed for acceleration of 1.38 keVu, qA> or =116 ions to about 29 keVu. Transmission efficiencies of about 85% and 80% have been measured for the unanalyzed and analyzed beams, respectively, of oxygen ((16)O(2+), (16)O(3+), (16)O(4+)), nitrogen ((14)N(3+), (14)N(4+)), and argon ((40)Ar(4+)). The system design and measurements along with results of beam acceleration test will be presented. |
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