W_Tetra_SpinHalf_beta5 := (-1/12*J^3*Delta^3*J0*h^2+1/96*J*Delta*J0^3*h^2
+5/96*J*Delta*J0*h^4+1/128*J^2*Delta^2*J0^2*h^2+15/128*J0*h^2*J^3*Delta
+11/128*J^4*Delta^2*h^2+5/384*J^4*Delta^2*J0^2
+11/128*J^2*Delta^2*h^4-11/6144*J^2*Delta^2*J0^4
-5/64*J^4*Delta^4*h^2+11/3072*J^4*Delta^4*J0^2
-1/384*J^3*Delta*J0^3+1/256*J0^2*J^2*h^2-1/96*J^2*h^4
-1/2880*J^6*Delta^6-1/192*h^2*J^4+1/2560*J^6*Delta^2-7/384*J0*J^5*Delta
-7/768*J^5*Delta^3*J0+13/122880*J0^6+73/11520*J^6-1/1440*h^6+7/512*J0^2*J^4
-1/1536*J0^2*h^4-5/3072*h^2*J0^4-11/3072*J^2*J0^4+9/1280*J^6*Delta^4)*beta^5
+(-1/96*J0*h^4-1/64*J0*J^4-5/96*J^4*Delta^2*J0-1/192*J^2*Delta^2*J0^3+1/192*J0*J^4*Delta^4
-3/32*J^3*Delta*h^2+1/256*J^3*Delta*J0^2+1/192*J^5*Delta
+13/96*J^3*Delta^3*h^2-1/16*J0*h^2*J^2-1/768*h^2*J0^3+1/1024*J0^5
+1/384*J^5*Delta^3-1/96*J0^3*J^2-1/64*J*Delta*J0^2*h^2+7/64*J0*J^2*Delta^2*h^2
-1/24*J*Delta*h^4)*beta^4+(1/64*J^2*J0^2+1/16*J^2*h^2-7/384*J^4*Delta^4+1/1024*J0^4
-3/16*J^2*Delta^2*h^2+1/96*h^4+1/32*J^4*Delta^2-1/8*J0*J*Delta*h^2+1/64*J0^2*h^2
+1/128*J0^2*J^2*Delta^2+1/32*J0*J^3*Delta-1/48*J^4)*beta^3+(-1/16*J^3*Delta+1/16*J0*h^2
-1/64*J0^3+1/4*J*Delta*h^2+1/8*J^2*J0+1/16*J^2*Delta^2*J0)*beta^2+(-1/4*J^2-3/32*J0^2
-1/4*h^2-1/8*J^2*Delta^2)*beta+3/4*J0-ln(4)/beta: