Update to a consistent definition of the r2 parameter for cones #4977

Job	Run time
Python 3.11 (omp=n, mpi=n, dagmc=n, ncrystal=n, libmesh=n, event=n vectfit=n)	1h 8m 35s
Python 3.11 (omp=y, mpi=n, dagmc=n, ncrystal=n, libmesh=n, event=n vectfit=n)	1h 36m 16s
Python 3.11 (omp=n, mpi=y, dagmc=n, ncrystal=n, libmesh=n, event=n vectfit=n)	1h 0m 52s
Python 3.11 (omp=y, mpi=y, dagmc=n, ncrystal=n, libmesh=n, event=n vectfit=n)	1h 20m 53s
Python 3.12 (omp=n, mpi=n, dagmc=, ncrystal=, libmesh=, event= vectfit=)	50m 13s
Python 3.13 (omp=n, mpi=n, dagmc=, ncrystal=, libmesh=, event= vectfit=)	53m 12s
Python 3.11 (omp=y, mpi=y, dagmc=y, ncrystal=, libmesh=, event= vectfit=)	1h 58m 22s
Python 3.11 (omp=n, mpi=n, dagmc=, ncrystal=y, libmesh=, event= vectfit=)	1h 15m 46s
Python 3.11 (omp=y, mpi=y, dagmc=, ncrystal=, libmesh=y, event= vectfit=)	1h 34m 48s
Python 3.11 (omp=y, mpi=n, dagmc=, ncrystal=, libmesh=y, event= vectfit=)	1h 53m 29s
Python 3.11 (omp=y, mpi=n, dagmc=, ncrystal=, libmesh=, event=y vectfit=)	1h 39m 38s
Python 3.11 (omp=n, mpi=y, dagmc=, ncrystal=, libmesh=, event= vectfit=y)	1h 21m 0s
finish	2s
	16h 33m 6s

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