p t o t a l = ( μ e m p μ ¯ m u ) 8 χ 3 T T e + F ( χ ) + 8 π 4 15 ( T T e ) 4 {\displaystyle p_{\mathrm {total} }={\biggl (}{\frac {\mu _{e}m_{p}}{{\bar {\mu }}m_{u}}}{\biggr )}8\chi ^{3}{\frac {T}{T_{e}}}+F(\chi )+{\frac {8\pi ^{4}}{15}}{\biggl (}{\frac {T}{T_{e}}}{\biggr )}^{4}}
