Rivet: \f$ |\Delta eta|\f$ calculations from 3-vectors

| Rivet 3.1.9

Functions
\f$ |\Delta eta|\f$ calculations from 3-vectors

## Functions
double | Rivet::deltaEta (const Vector3 &a, const Vector3 &b, bool sign=false)
| Calculate the difference in pseudorapidity between two spatial vectors.
double | Rivet::deltaEta (const Vector3 &v, double eta2, bool sign=false)
| Calculate the difference in pseudorapidity between two spatial vectors.
double | Rivet::deltaEta (double eta1, const Vector3 &v, bool sign=false)
| Calculate the difference in pseudorapidity between two spatial vectors.

## Detailed Description