3                                                                         
                                                                          
                                                                          
       he6    n    n  he4                  cf88rv   -9.75000e-01          
 2.217800e+01-2.089940e+01 6.942790e-01-3.333260e+00                      
 5.079320e-01-4.273420e-02 2.000000e+00                                   
