create_trajectory.py File Reference

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Namespaces

 create_trajectory
 

Variables

float create_trajectory.mn = 939.5654133
 
float create_trajectory.mp = 938.2720813
 
float create_trajectory.Delta = mn - mp
 
float create_trajectory.kB_Tweak = 0.8
 
 create_trajectory.n_p_ratio = np.exp(-Delta/kB_Tweak)
 
 create_trajectory.neutron_freezout = n_p_ratio/(1. + n_p_ratio)
 
int create_trajectory.proton_freezout = 1. - neutron_freezout
 
int create_trajectory.ye_freezout = proton_freezout/(neutron_freezout+proton_freezout)
 
tuple create_trajectory.first_time = (13.336 * 1./(kB_Tweak * 11.604519))**2.
 
 create_trajectory.time = np.logspace(np.log10(first_time),5,num=200)
 
float create_trajectory.temperature = 13.336 * 1./(time**0.5)
 
float create_trajectory.eta = 6.11e-10
 
float create_trajectory.m_u = 1.660540e-27 * 1e3
 
float create_trajectory.pi = 3.14159265359
 
float create_trajectory.kB = 8.6173303e-2
 
float create_trajectory.hbarc = 197.3269718 * 1.e-13
 
float create_trajectory.dens = 2.404 * eta/(pi**2.) * ((kB*temperature)/(hbarc))**3. * m_u
 
list create_trajectory.ye = [ye_freezout for i in range(len(time))]
 
 create_trajectory.out = np.array([time,temperature,dens,ye]).T
 
 create_trajectory.header