1. HD target
Grass

7. Cu Al
A. Honig, Q. Fan ,X Wei, A. M. Sandorfi, C. S. Whisnant, Nuclear Instruments and Methods in Physics Research Section A (1995)

8. Ckapitza=60,000,000((m^2) (mk^4) /W)
X. Wei et at al., Instruments and Methods in
Physics Research Section A,
526 (1-2) (2004)
Ckapitza=60,000,000((m^2) (mk^4) /W)
if the “temperature of wire of ring ” = 9mk
the temperature of middle of aluminum wire = mk
Ckapitza= 405,422,304 ((m^2) (mk^4) /W)

10. Number of wire
VAl /Vtarget
Number of wire
VAl /Vtarget