How to use the hepunits.units.ps function in hepunits
To help you get started, we’ve selected a few hepunits examples, based on popular ways it is used in public projects.
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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)def test_valid_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 * MeVhepunits
Units and constants in the HEP system of units
