universe.interactions += (
SMI.neutrino_interactions(
leptons=[electron],
neutrinos=[neutrino_e]
) +
NuI.sterile_leptons_interactions(
thetas=thetas, sterile=sterile,
neutrinos=[neutrino_e],
leptons=[electron]
)
+ NuI.sterile_hadrons_interactions(
thetas=thetas, sterile=sterile,
neutrinos=[neutrino_e],
leptons=[electron],
hadrons=[neutral_pion]
)
)
universe.evolve(T_final)
""" ## Plots for comparison with articles """
""" ### JCAP10(2012)014, Figure 9
<img src="figure_9.svg" width=100% /> """
""" ### JCAP10(2012)014, Figure 10
<img src="figure_10.svg" width=100% />
<img src="figure_10_full.svg" width=100% /> """
leptons=[electron, muon, tau],
hadrons=[neutral_pion, charged_pion]
)
)
universe.init_kawano(electron=electron, neutrino=neutrino_e)
universe.init_oscillations(SMP.leptons.oscillations_map(), (neutrino_e, neutrino_mu, neutrino_tau))
if universe.graphics:
from plotting import (MassiveParticleMonitor, AbundanceMonitor)
universe.graphics.monitor([
(sterile, MassiveParticleMonitor),
(sterile, AbundanceMonitor)
])
universe.evolve(T_final)
"""
### Plots for comparison with articles
### JCAP10(2012)014, Figure 9
<img src="figure_9.svg" width=100% />
### JCAP10(2012)014, Figure 10
<img src="figure_10.svg" width=100% />
<img src="figure_10_full.svg" width=100% />
"""
if universe.graphics:
from tests.plots import articles_comparison_plots
articles_comparison_plots(universe, [neutrino_e, neutrino_mu, neutrino_tau, sterile])
f.write('{a:e}\t{t:e}\t{T:e}\t{aT:e}\t{rho:e}\t{n:e}\n'.format(
a=universe.params.a,
t=universe.params.t / UNITS.s,
T=universe.params.T / UNITS.MeV,
aT=universe.params.aT / UNITS.MeV,
rho=particle.energy_density / (UNITS.MeV)**4,
n=universe.params.a**3 * particle.density /
(UNITS.MeV)**3))
with open(op.join(folder, "rho_nu.txt"), 'a') as f:
f.write('{:e}'.format(universe.params.a) + '\t' + '{:e}'.format(
sum(particle.energy_density / UNITS.MeV**4
for particle in [neutrino_e, neutrino_mu])) + '\n')
universe.step_monitor = step_monitor
universe.evolve(T_interactions_freeze_out, export=False)
# sterile._distribution *= 0
universe.interactions = tuple()
universe.evolve(T_final)
"""
### Plots for comparison with articles
### JCAP10(2012)014, Figure 9
<img src="figure_9.svg" width=100% />
### JCAP10(2012)014, Figure 10
<img src="figure_10.svg" width=100% />
<img src="figure_10_full.svg" width=100% />
"""
universe.interactions += (
SMI.neutrino_interactions(leptons=[electron],
neutrinos=[neutrino_e, neutrino_mu])
)
universe.init_kawano(electron=electron, neutrino=neutrino_e)
if universe.graphics:
universe.graphics.monitor([
(neutrino_e, RadiationParticleMonitor),
(neutrino_mu, RadiationParticleMonitor)
])
universe.evolve(T_interaction_freezeout, export=False)
universe.interactions = tuple()
universe.params.dy = 0.00625
universe.evolve(T_final)
"""
### Plots for comparison with articles
### JCAP10(2012)014, Figure 9
<img src="figure_9.svg" width=100% />
### JCAP10(2012)014, Figure 10
<img src="figure_10.svg" width=100% />
<img src="figure_10_full.svg" width=100% />
"""
photon,
neutron,
proton,
neutrino_e,
neutrino_mu,
neutrino_tau,
electron,
muon,
tau
]
universe = Universe(params=params, folder=folder)
universe.add_particles(Particles)
universe.init_kawano(electron=electron, neutrino=neutrino_e)
universe.step_monitor = step_monitor
T_final = 3 * UNITS.MeV
universe.evolve(T_final, export=False)
T_final = 0.0008 * UNITS.MeV
params.dy = 0.003125
universe.evolve(T_final)
from tests.plots import cosmic_neutrino_temperature
cosmic_neutrino_temperature(universe)
print """
Cosmic photon background temperature is {:.3f} times bigger than cosmic neutrinos temperature.
Relative error is {:.3f} %
""".format(universe.params.aT / UNITS.MeV,
(universe.params.aT / UNITS.MeV - 1.401) / 1.401 * 100)
with open(op.join(folder, particle.name.replace(' ', '_') + ".rho.txt"), 'a') as f:
f.write(
'{a:e}\t{t:e}\t{T:e}\t{aT:e}\t{rho:e}\t{n:e}\n'.format(
a=universe.params.a,
t=universe.params.t / UNITS.s,
T=universe.params.T / UNITS.MeV,
aT=universe.params.aT / UNITS.MeV,
rho=particle.energy_density / UNITS.MeV**4,
n=universe.params.a**3 * particle.density / UNITS.MeV**3
)
)
universe.step_monitor = step_monitor
universe.evolve(T_weak_decoupling, export=False)
universe.params.dy = 0.003125
universe.params.infer()
universe.evolve(T_washout, export=False)
sterile._distribution *= 0
universe.interactions = tuple()
universe.evolve(T_final)
"""
### Plots for comparison with articles
### JCAP10(2012)014, Figure 9
<img src="figure_9.svg" width=100% />
### JCAP10(2012)014, Figure 10
<img src="figure_10.svg" width=100% />
neutron,
proton
])
# angles=(0.5905, 0.805404, 0.152346)
universe.init_oscillations(SMP.leptons.oscillations_map(angles=(0.5905, 0.805404, 0)),
(neutrino_e, neutrino_mu_tau))
universe.interactions += (
SMI.neutrino_interactions(leptons=[electron],
neutrinos=[neutrino_e, neutrino_mu_tau])
)
universe.init_kawano(electron=electron, neutrino=neutrino_e)
universe.evolve(T_simple, export=False)
universe.interactions = tuple()
universe.evolve(T_final)
"""
### Plots for comparison with articles
### JCAP10(2012)014, Figure 9
<img src="figure_9.svg" width=100% />
### JCAP10(2012)014, Figure 10
<img src="figure_10.svg" width=100% />
<img src="figure_10_full.svg" width=100% />
"""
neutron = Particle(**SMP.hadrons.neutron)
proton = Particle(**SMP.hadrons.proton)
universe.add_particles(
[photon, electron, neutrino_e, neutrino_mu_tau, neutron, proton])
# angles=(0.5905, 0.805404, 0.152346)
universe.init_oscillations(
SMP.leptons.oscillations_map(angles=(0.5905, 0.805404, 0)),
(neutrino_e, neutrino_mu_tau))
universe.interactions += (SMI.neutrino_interactions(
leptons=[electron], neutrinos=[neutrino_e, neutrino_mu_tau]))
universe.init_kawano(electron=electron, neutrino=neutrino_e)
universe.evolve(T_simple, export=False)
universe.interactions = tuple()
universe.evolve(T_final)
"""
### Plots for comparison with articles
### JCAP10(2012)014, Figure 9
<img src="figure_9.svg" width=100% />
### JCAP10(2012)014, Figure 10
<img src="figure_10.svg" width=100% />
<img src="figure_10_full.svg" width=100% />
"""
# Output the density and energy density of sterile neutrino
if universe.step % 10 == 0:
with open(os.path.join(folder,"sterile_densities.txt"), 'a') as f:
f.write('{:e}'.format(universe.params.a) + '\t' + '{:e}'.format(universe.params.T/UNITS.MeV) + '\t'+'{:e}'.format(universe.params.aT/UNITS.MeV) + '\t'+'{:e}'.format(sterile.energy_density/(UNITS.MeV)**4) + '\t')
f.write('{:e}'.format(sterile.density/(UNITS.MeV)**3) + '\n')
with open(os.path.join(folder, "sterile_distribution.txt"), 'a') as f:
f.write('{:e}'.format(universe.params.a) + '\t'+'{:e}'.format(universe.params.T/UNITS.MeV) + '\t')
f.write('\t'.join([
'{:e}'.format(x)
for x in sterile._distribution
]) + '\n')
universe.step_monitor = step_monitor
universe.evolve(5 * UNITS.MeV, export=False)
universe.params.dy = 0.003125
universe.params.infer()
universe.evolve(T_washout, export=False)
universe.interactions = tuple()
universe.evolve(T_final)
"""
### Plots for comparison with articles
### JCAP10(2012)014, Figure 9
<img src="figure_9.svg" width=100% />
### JCAP10(2012)014, Figure 10
