Incompatibility of FRC `Self--Colliding Beams' with Classical Large Orbit Theory and Experiment

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Rosenbluth^1: ``One key physics issue is the behavior of very large gyro radius systems, for which the usual thermal physics is inadequate.''- Rostoker^2 posited (1) 0.42 KeV d^+ FRC can achieve confinement^ τ =30 s observed^3 in self-colliding orbits (SCO) of 725 KeV d^+,^ stabilized by magnet focusing^4 and electrons^5 ; (2) FRC result ^6τ=2 x10-3 s is ``record long lived plasma state for advanced, aneutronic fuels ''; (3) non-intersecting collision-less orbits produce nuclear reactions. (i) Bz(r) of FRC is defocusing, field index n>0. From single particle orbit theory^7,8 destructive instability must occur with τ^ <= 10-3 s. (ii) τ cannot be scaled up by ion energy increase. (iii) Luminosity in SCO^3: L˜10^31s-1 cm-2; in co-revolving FRC orbits: L=0 unless 2 species in same orbit, which requires v2/v1= z1m1/z2m2 and Nτ ˜ 10^17 by Lawson^ 9-11. See http://www.aneutronicfusion.org 1. NIM271, p.1 (88); 2. PRL 70, 1818 (93); 3.PRL 54, 796 (1985); 4.PRL 29, 1590 (72); 5.PRL 70, 299 (93); 6.PRL 105, 045003-1,(10); 7.Part. Acc.1, (70); 8. AIP CP 311, 292 (93); 9. J.App.Phys.46, 2915 (75); 10. NIM A346 322 (93); 11.NIM 144, 65 (77)

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