def KLfamily(nm, lnom, lsym, lm, lme, lrate,
mnom, mm, mme, pnom, pm, pme,
mev=mega*eV.mass, Hz=Hertz):
"""Deciphering Kaye&Laby p449.
Positional arguments are as follows:
neutrino mass -- upper bound, measured in MeV
lepton name -- string
lepton symbol -- string
lepton mass -- in MeV
lepton mass error -- half-width of error bar on previous
lepton decay rate -- fraction of the given lepton species which decay per second
-ve quark name -- name of the quark with -ve charge e/3
-ve quark mass -- mass estimate, in GeV, for the -ve quark
-ve quark mass error -- half-width of error-bar on previous
+ve quark name -- name of the quark with +ve charge 2*e/3
+ve quark mass -- mass estimate, in GeV, for the +ve quark
+ve quark mass error -- half-width of error bar on previous\n"""
return Family(Neutrino(lnom, mass=Quantity.below(nm, mev)),
Lepton(lnom, mass=Quantity.within(lm, lme, mev), symbol=lsym,
decay=lrate * Hz),
dQuark(mnom, mass=Quantity.within(mm, mme, kilo*mev)),
uQuark(pnom, mass=Quantity.within(pm, pme, kilo*mev)))
def KLfamily(nm,
lnom,
lsym,
lm,
lme,
lrate,
mnom,
mm,
mme,
pnom,
pm,
pme,
mev=mega * eV.mass,
Hz=Hertz):
"""Deciphering Kaye&Laby p449.
Positional arguments are as follows:
neutrino mass -- upper bound, measured in MeV
lepton name -- string
lepton symbol -- string
lepton mass -- in MeV
lepton mass error -- half-width of error bar on previous
lepton decay rate -- fraction of the given lepton species which decay per second
-ve quark name -- name of the quark with -ve charge e/3
-ve quark mass -- mass estimate, in GeV, for the -ve quark
-ve quark mass error -- half-width of error-bar on previous
+ve quark name -- name of the quark with +ve charge 2*e/3
+ve quark mass -- mass estimate, in GeV, for the +ve quark
+ve quark mass error -- half-width of error bar on previous\n"""
return Family(
Neutrino(lnom, mass=Quantity.below(nm, mev)),
Lepton(lnom,
mass=Quantity.within(lm, lme, mev),
symbol=lsym,
decay=lrate * Hz),
dQuark(mnom, mass=Quantity.within(mm, mme, kilo * mev)),
uQuark(pnom, mass=Quantity.within(pm, pme, kilo * mev)))
appears centred on the direction opposite to the light source (generally the
sun), at an angle ranging from 40.6 (violet) to 42 (red) degrees from that
direction. The spray-bow resulting from sea-spray is tighter - sea water
droplets turn light through a larger angle than pure water droplets.
""",
secondary=between(
127, 130, arc.degree,
"""The angle through which a secondary rainbow turns visible light.
Compare visible.rainbow, the primary angle: for the secondary rainbow, red (130
degrees) is turned more than violet (127 degrees); since this range is less than
that of the primary rainbow (but still more than a quarter turn), the secondary
bow appears outside the primary.
""")))
radio = Photon(name="radio", frequency = Quantity.below(3, giga * Hertz))
microwave = Photon(name="microwave",
wavelength = between(1, 100, milli * metre),
frequency = between(1, 100, 3 * giga * Hertz))
infrared = Photon(name="infra-red",
wavelength = between(.7, 1000, micro * metre),
frequency = between(.3, 400, tera * Hertz),
near=Photon(name='near infra-red',
# (.7-1) to 5 microns
wavelength=between(.7, 5, micro * metre)),
mid=Photon(name='mid infra-red',
# 5 to (25-40) microns
wavelength=between(5, 40, micro * metre)),
far=Photon(name = 'far infra-red',
# (25-40) to (200-350) microns
wavelength = between(25, 350, micro * metre)),
appears centred on the direction opposite to the light source (generally the
sun), at an angle ranging from 40.6 (violet) to 42 (red) degrees from that
direction. The spray-bow resulting from sea-spray is tighter - sea water
droplets turn light through a larger angle than pure water droplets.
""",
secondary=between(
127, 130, arc.degree,
"""The angle through which a secondary rainbow turns visible light.
Compare visible.rainbow, the primary angle: for the secondary rainbow, red (130
degrees) is turned more than violet (127 degrees); since this range is less than
that of the primary rainbow (but still more than a quarter turn), the secondary
bow appears outside the primary.
""")))
radio = Photon(name="radio", frequency=Quantity.below(3, giga * Hertz))
microwave = Photon(name="microwave",
wavelength=between(1, 100, milli * metre),
frequency=between(1, 100, 3 * giga * Hertz))
infrared = Photon(
name="infra-red",
wavelength=between(.7, 1000, micro * metre),
frequency=between(.3, 400, tera * Hertz),
near=Photon(
name='near infra-red',
# (.7-1) to 5 microns
wavelength=between(.7, 5, micro * metre)),
mid=Photon(
name='mid infra-red',
# 5 to (25-40) microns
wavelength=between(5, 40, micro * metre)),
