Fix Groot2 extra factor of 2 (#130)

ewanwm · web-flow · commit 182fa052a640 · 2025-08-20T15:47:22.000+02:00
* fix values of Groot2 and metre

Will fix the test failures in following pr
diff --git a/nuTens/propagator/constants.hpp b/nuTens/propagator/constants.hpp
@@ -11,7 +11,7 @@ namespace nuTens
 namespace constants
 {
 
-    static constexpr float Groot2 = 1.52588e-4 * (units::eV * units::eV) / units::GeV; //!< sqrt(2)*G_fermi in (eV^2-cm^3)/(mole-GeV) used in calculating matter hamiltonian
+    static constexpr double Groot2 = 0.76294e-4 * (units::eV * units::eV) / units::GeV; //!< sqrt(2)*G_fermi in (eV^2-cm^3)/(mole-GeV) used in calculating matter hamiltonian
 
 }
 
diff --git a/nuTens/propagator/units.hpp b/nuTens/propagator/units.hpp
@@ -17,7 +17,7 @@ namespace units
     static constexpr double MeV = 1e6; // eV
     static constexpr double GeV = 1e9; // eV
 
-    static constexpr double m = 5.07614213198e6; // eV^-1 
+    static constexpr double m = 5.07614213198e6; // eV^-1
     static constexpr double cm = 1e-2 * m; // eV^-1
     static constexpr double km = 1e3  * m; // eV^-1
 

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@ namespace nuTens`
`11`	`11`	`namespace constants`
`12`	`12`	`{`
`13`	`13`
`14`		`- static constexpr float Groot2 = 1.52588e-4 * (units::eV * units::eV) / units::GeV; //!< sqrt(2)*G_fermi in (eV^2-cm^3)/(mole-GeV) used in calculating matter hamiltonian`
	`14`	`+ static constexpr double Groot2 = 0.76294e-4 * (units::eV * units::eV) / units::GeV; //!< sqrt(2)*G_fermi in (eV^2-cm^3)/(mole-GeV) used in calculating matter hamiltonian`
`15`	`15`
`16`	`16`	`}`
`17`	`17`