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How to use the hepunits.units.GeV function in hepunits

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scikit-hep / scikit-hep / tests / math / test_kinematics.py View on Github

def test_width_lifetime_conversions():
    assert lifetime_to_width(1.5*ps)/GeV == approx(4.388079676311604e-13)
    assert 1.5*ps * lifetime_to_width(1.5*ps) == hbar
    assert width_to_lifetime(hbar) == 1 * MeV
    #
    with pytest.raises(ValueError):
        lifetime_to_width(-1)
    with pytest.raises(ValueError):
        width_to_lifetime(-1)