How to use particle - 10 common examples

To help you get started, we’ve selected a few particle examples, based on popular ways it is used in public projects.

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scikit-hep / particle / tests / particle / test_particle.py View on Github

def test_C_consistency():
    """
    The charge conjugation parity is stored in the (curated) data CSV files.
    For unflavoured mesons it can be calculated as C = (-1)^(L+S),
    and this relation can be checked against the CSV data.

    Note: mesons with PDGIDs of the kind 9XXXXXX (N=9) are not experimentally
    well-known particles and C is undefined.
    """
    for p in Particle.all():
        if not p.is_unflavoured_meson:
            continue
        elif _digit(p.pdgid, Location.N) == 9:
            continue
        elif p.pdgid == 22:  # Special case of the photon
            assert p.C == -1
        elif p.pdgid in [130, 310]:  # Special case of the KS and KL
            assert p.C == Parity.u
        else:
            assert p.C == (-1) ** (p.L + p.S)

scikit-hep / particle / tests / particle / test_particle.py View on Github

def test_P_consistency():
    """
    The parity quantum number is stored in the (curated) data CSV files.
    For unflavoured mesons it can be calculated as P = (-1)^(L+1),
    and this relation can be checked against the CSV data.

    Note: mesons with PDGIDs of the kind 9XXXXXX (N=9) are not experimentally
    well-known particles and P is undefined.
    """
    for p in Particle.all():
        if not p.is_unflavoured_meson:
            continue
        elif _digit(p.pdgid, Location.N) == 9:
            continue
        elif p.pdgid == 22:  # Special case of the photon
            assert p.P == -1
        else:
            assert p.P == (-1) ** (p.L + 1)

scikit-hep / particle / tests / particle / test_utilities.py View on Github

def test_programmatic_name():
    """
    Test makes sure that all literals defined in particle.shared_literals
    match what is returned by Particle.programmatic_name.
    """
    for literal_name, pid in common_particles.items():
        if literal_name in ("photon", "proton", "antiproton", "neutron", "antineutron"):
            continue
        try:  # some particles in the literals may not be in the table (e.g the neutrinos as of 2018)
            p = Particle.from_pdgid(pid)
            assert Particle.from_pdgid(pid).programmatic_name == literal_name
        except ParticleNotFound:
            pass

scikit-hep / particle / tests / particle / test_utilities.py View on Github

def test_programmatic_name():
    """
    Test makes sure that all literals defined in particle.shared_literals
    match what is returned by Particle.programmatic_name.
    """
    for literal_name, pid in common_particles.items():
        if literal_name in ("photon", "proton", "antiproton", "neutron", "antineutron"):
            continue
        try:  # some particles in the literals may not be in the table (e.g the neutrinos as of 2018)
            p = Particle.from_pdgid(pid)
            assert Particle.from_pdgid(pid).programmatic_name == literal_name
        except ParticleNotFound:
            pass

scikit-hep / particle / tests / pdgid / test_functions.py View on Github

def test_charge(PDGIDs):
    assert charge(PDGIDs.Photon) == 0
    assert charge(PDGIDs.Gluon) == 0
    assert charge(PDGIDs.Electron) == -1
    assert charge(PDGIDs.AntiMuon) == +1
    assert charge(PDGIDs.jpsi) == 0
    assert charge(PDGIDs.Upsilon_1S) == 0
    assert charge(PDGIDs.PiPlus) == +1
    assert charge(PDGIDs.KMinus) == -1
    assert charge(PDGIDs.D0) == 0
    assert charge(PDGIDs.DPlus) == +1
    assert charge(PDGIDs.DsPlus) == +1
    assert charge(PDGIDs.B0) == 0
    assert charge(PDGIDs.Bs) == 0
    assert charge(PDGIDs.BcPlus) == +1
    assert charge(PDGIDs.Proton) == +1
    assert charge(PDGIDs.LcPlus) == +1
    assert charge(PDGIDs.Lb) == 0
    assert charge(PDGIDs.DD1) == -2 / 3
    assert charge(PDGIDs.SD0) == -2 / 3
    assert charge(PDGIDs.Invalid1) == None
    assert charge(PDGIDs.Invalid2) == None

scikit-hep / particle / tests / pdgid / test_functions.py View on Github

def test_charge(PDGIDs):
    assert charge(PDGIDs.Photon) == 0
    assert charge(PDGIDs.Gluon) == 0
    assert charge(PDGIDs.Electron) == -1
    assert charge(PDGIDs.AntiMuon) == +1
    assert charge(PDGIDs.jpsi) == 0
    assert charge(PDGIDs.Upsilon_1S) == 0
    assert charge(PDGIDs.PiPlus) == +1
    assert charge(PDGIDs.KMinus) == -1
    assert charge(PDGIDs.D0) == 0
    assert charge(PDGIDs.DPlus) == +1
    assert charge(PDGIDs.DsPlus) == +1
    assert charge(PDGIDs.B0) == 0
    assert charge(PDGIDs.Bs) == 0
    assert charge(PDGIDs.BcPlus) == +1
    assert charge(PDGIDs.Proton) == +1
    assert charge(PDGIDs.LcPlus) == +1
    assert charge(PDGIDs.Lb) == 0
    assert charge(PDGIDs.DD1) == -2 / 3
    assert charge(PDGIDs.SD0) == -2 / 3
    assert charge(PDGIDs.Invalid1) == None
    assert charge(PDGIDs.Invalid2) == None

scikit-hep / particle / tests / pdgid / test_functions.py View on Github

assert charge(PDGIDs.jpsi) == 0
    assert charge(PDGIDs.Upsilon_1S) == 0
    assert charge(PDGIDs.PiPlus) == +1
    assert charge(PDGIDs.KMinus) == -1
    assert charge(PDGIDs.D0) == 0
    assert charge(PDGIDs.DPlus) == +1
    assert charge(PDGIDs.DsPlus) == +1
    assert charge(PDGIDs.B0) == 0
    assert charge(PDGIDs.Bs) == 0
    assert charge(PDGIDs.BcPlus) == +1
    assert charge(PDGIDs.Proton) == +1
    assert charge(PDGIDs.LcPlus) == +1
    assert charge(PDGIDs.Lb) == 0
    assert charge(PDGIDs.DD1) == -2 / 3
    assert charge(PDGIDs.SD0) == -2 / 3
    assert charge(PDGIDs.Invalid1) == None
    assert charge(PDGIDs.Invalid2) == None

scikit-hep / particle / tests / pdgid / test_functions.py View on Github

def test_charge(PDGIDs):
    assert charge(PDGIDs.Photon) == 0
    assert charge(PDGIDs.Gluon) == 0
    assert charge(PDGIDs.Electron) == -1
    assert charge(PDGIDs.AntiMuon) == +1
    assert charge(PDGIDs.jpsi) == 0
    assert charge(PDGIDs.Upsilon_1S) == 0
    assert charge(PDGIDs.PiPlus) == +1
    assert charge(PDGIDs.KMinus) == -1
    assert charge(PDGIDs.D0) == 0
    assert charge(PDGIDs.DPlus) == +1
    assert charge(PDGIDs.DsPlus) == +1
    assert charge(PDGIDs.B0) == 0
    assert charge(PDGIDs.Bs) == 0
    assert charge(PDGIDs.BcPlus) == +1
    assert charge(PDGIDs.Proton) == +1
    assert charge(PDGIDs.LcPlus) == +1
    assert charge(PDGIDs.Lb) == 0
    assert charge(PDGIDs.DD1) == -2 / 3
    assert charge(PDGIDs.SD0) == -2 / 3
    assert charge(PDGIDs.Invalid1) == None
    assert charge(PDGIDs.Invalid2) == None

scikit-hep / particle / tests / pdgid / test_functions.py View on Github

def test_charge(PDGIDs):
    assert charge(PDGIDs.Photon) == 0
    assert charge(PDGIDs.Gluon) == 0
    assert charge(PDGIDs.Electron) == -1
    assert charge(PDGIDs.AntiMuon) == +1
    assert charge(PDGIDs.jpsi) == 0
    assert charge(PDGIDs.Upsilon_1S) == 0
    assert charge(PDGIDs.PiPlus) == +1
    assert charge(PDGIDs.KMinus) == -1
    assert charge(PDGIDs.D0) == 0
    assert charge(PDGIDs.DPlus) == +1
    assert charge(PDGIDs.DsPlus) == +1
    assert charge(PDGIDs.B0) == 0
    assert charge(PDGIDs.Bs) == 0
    assert charge(PDGIDs.BcPlus) == +1
    assert charge(PDGIDs.Proton) == +1
    assert charge(PDGIDs.LcPlus) == +1
    assert charge(PDGIDs.Lb) == 0
    assert charge(PDGIDs.DD1) == -2 / 3
    assert charge(PDGIDs.SD0) == -2 / 3
    assert charge(PDGIDs.Invalid1) == None
    assert charge(PDGIDs.Invalid2) == None

scikit-hep / particle / tests / pdgid / test_functions.py View on Github

def test_charge(PDGIDs):
    assert charge(PDGIDs.Photon) == 0
    assert charge(PDGIDs.Gluon) == 0
    assert charge(PDGIDs.Electron) == -1
    assert charge(PDGIDs.AntiMuon) == +1
    assert charge(PDGIDs.jpsi) == 0
    assert charge(PDGIDs.Upsilon_1S) == 0
    assert charge(PDGIDs.PiPlus) == +1
    assert charge(PDGIDs.KMinus) == -1
    assert charge(PDGIDs.D0) == 0
    assert charge(PDGIDs.DPlus) == +1
    assert charge(PDGIDs.DsPlus) == +1
    assert charge(PDGIDs.B0) == 0
    assert charge(PDGIDs.Bs) == 0
    assert charge(PDGIDs.BcPlus) == +1
    assert charge(PDGIDs.Proton) == +1
    assert charge(PDGIDs.LcPlus) == +1
    assert charge(PDGIDs.Lb) == 0
    assert charge(PDGIDs.DD1) == -2 / 3
    assert charge(PDGIDs.SD0) == -2 / 3
    assert charge(PDGIDs.Invalid1) == None
    assert charge(PDGIDs.Invalid2) == None

How to use particle - 10 common examples

To help you get started, we’ve selected a few particle examples, based on popular ways it is used in public projects.

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