Too big to see: overlooked plasma-destroying reaction with cross section10$^{12}$ times that for fusion necessitates redesign of ITER*

ORAL

Abstract

Existence of \textit{charge transfer} collisions (CT) was overlooked in ITER design$^{1,2}$ although CT cross section$^{3}$, $\sigma_{CT}$ $\sim$ 10$^{9}$ b, is $\sim$ 10$^{12}$ times that for fusion, $\sigma_{DT}$ $\sim$ mb, at T $=$ 10 KeV. CT de-confines plasma by neutralizing ions. Since $\sigma_{CT} \quad =$ 100 $\sigma_{IO}$, ion $\tau_{CT}$ $\sim$ $\tau_{E} \quad =$ 3x10$^{-7}$ s \textless \textless thermalization time $\sim$ 0.1 s; \underline {plasma cannot form}. $\tau_{E}$ $\sim$ 1 s requires operating vacuum p $\sim$ 10$^{-9}$ torr, base 10$^{-11}$ torr. CT oversight brings 4 serious but corrigible errors: --Operating at T $=$ 10-30 KeV below Critical ion energy$^{4,5}$ E$_{c}$ $\sim$ 200 KeV, CT prevents plasma formation$^{6}$. Above E$_{c}$, ion dominates $\tau_{E} \quad =$ 24 s achieved$^{-8}$ with 700 KeV D$^{+}$.--No UHV system; base 10$^{-7}$ torr$^{2}$. Based on tenet that $\sigma_{CT}$/$\sigma _{io}$$\sim$ 10$^{-2}$, opposite to measured$^{3} \quad \sigma _{CT}$/ $\sigma_{io}$ $\sim$ 10$^{2}$, ionization \textit{by itself}, acts as UHV ion pump; data show it is compressor.--Neutral injection of 10$^{22}$ D/T s$^{-1}$ will result in pressure $\sim$ 1 torr, a ``poison.''--ITER goal n$\tau $$\sim$ 10$^{20}$ m$^{-3}$ s$^{-1}$ presented as Lawson$^{9}$ is ``1{\%} burn-up'' criterion; real n$\tau $$\sim$ 10$^{22}$ m$^{-3}$s$^{-1}$. *Preprint presented to Fusion Energy Sci. Committee, USDOE 11/11/14. $^{\dag }$Deceased (1) Nucl. Fusion \underline {49} 065012 (2009). (2)\textit{Pumping Systems for ITER}, 3/01 (2001). (3)Physics Scripta, 23, 143 (81). (4) Evid. Crit. Energy, www.world-scientific-education.net (5) Ibid Am. Phys. Soc. March Meeting 2015, Abstract T34.00004. (6) Exp. Evidence Absence Thermonuc. Fus. Power prod. In TFTR, www.world-scientific-education.net. (7) \textit{Phys. Rev. Lett.} \underline {54}, 769 (85). (8) NIM A 271 1-288 (88). (9) Proc. Phys. Soc. B70, 6, (57).

Authors

  • Tim Hester

    California Science \& Engineering Coporation (CALSEC), California Science \& Engineering Corporation (CALSEC)

  • Tim Hester

    California Science \& Engineering Coporation (CALSEC), California Science \& Engineering Corporation (CALSEC)

  • Tim Hester

    California Science \& Engineering Coporation (CALSEC), California Science \& Engineering Corporation (CALSEC)