Author/Authors :
Sherrill، نويسنده , , B.M and Akimune، نويسنده , , H and Austin، نويسنده , , Sam M. and Bazin، نويسنده , , D and van den Berg، نويسنده , , A.M and Berg، نويسنده , , G.P.A and Caggiano، نويسنده , , J and Daito، نويسنده , , I and Fujimura، نويسنده , , H and Fujita، نويسنده , , Y and Fujiwara، نويسنده , , M and Hara، نويسنده , , K and Harakeh، نويسنده , , M.N and Jنnecke، نويسنده , , J and Kawabata، نويسنده , , T and Navin، نويسنده , , A and Roberts، نويسنده , , D.A and Steiner، نويسنده , , M، نويسنده ,
Abstract :
A secondary triton beam from fragmentation of 560-MeV α-particles has been used in a high-resolution (t,3He) charge-exchange experiment at intermediate bombarding energies. The experiment was carried out at the National Superconducting Cyclotron Laboratory using a 4He beam from the K1200 cyclotron. The radioactive triton beam of (0.5–1.0)×106 particles/s with a mean energy of 350 MeV was produced in a production target of the A1200 fragment separator and transported to the target position of the S800 magnetic spectrometer. Ray-tracing and dispersion-matching techniques were employed to detect 3He particles from the 12C(t,3He)12B reaction near 0°. An energy resolution of ΔE≈160 keV or ΔE/E≈4.6×10−4 (FWHM) was achieved. This is an improvement over our previous results and opens the possibility for studying high-resolution (n,p)-type reactions at intermediate bombarding energies.
Keywords :
Radioactive triton beam , (t , 3He) charge-exchange reactions , Good energy resolution
