-1/2*(c^2*m*x*\[Nu]*(1 + x*(-3/4 - \[Nu]/12) + x^2*(-27/8 + (19*\[Nu])/8 - \[Nu]^2/24) + x^3*(-675/64 + (34445/576 - (205*Pi^2)/96)*\[Nu] - (155*\[Nu]^2)/96 - (35*\[Nu]^3)/5184) + x^4*(-3969/128 + (-498449/3456 + (3157*Pi^2)/576)*\[Nu]^2 + (301*\[Nu]^3)/1728 + (77*\[Nu]^4)/31104 + \[Nu]*(-123671/5760 + (896*EulerGamma)/15 + (9037*Pi^2)/1536 + (448*Log[16*x])/15))))
