\[V'\left(-\tfrac{1}{2}\mu^{2},\mu t\sqrt{2}\right)\sim\frac{\mu\sqrt{2}g(\mu)(1%
-t^{2})^{\frac{1}{4}}}{\Gamma\left(\tfrac{1}{2}+\tfrac{1}{2}\mu^{2}\right)}\*%
\left(\sin\chi\sum_{s=0}^{\infty}(-1)^{s}\frac{\widetilde{\cal{B}}_{2s}(t)}{%
\mu^{4s}}+\cos\chi\sum_{s=0}^{\infty}(-1)^{s}\frac{\widetilde{\cal{B}}_{2s+1}(%
t)}{\mu^{4s+2}}\right),\]