def apdgid(partid):
partid = str(partid)
if pypdt.get(partid) != None:
return pypdt.get(partid)
else:
if partid[0] == '-':
return pypdt.get(partid[1:])
else:
return ValueError("Id not found")
def __init__(self,
init_conds=None,
bounds=None,
particle_id=11,
B_func=lambda p_vec: np.array([0., 0., 1.]),
E_func=lambda p_vec: np.array([0., 0., 0.]),
zevents=None):
'''
Default particle_id is for electron
B_func should take in 3D numpy array of position, but defaults to a 1 Tesla field in the z direction.
'''
self.init_conds = init_conds
self.bounds = bounds
# dummy termination (no termination) if no bounds
if bounds is None:
self.terminate = lambda t, x: 1
else:
self.terminate = get_terminate(bounds)
if particle_id < 0:
sign = -1
else:
sign = +1
particle_id = abs(particle_id)
self.particle = pypdt.get(particle_id)
self.particle.mass_kg = self.particle.mass * one_gev_c2_to_kg
self.particle.charge_true = self.particle.charge * sign
self.B_func = B_func
self.E_func = E_func
self.zevents = zevents
def massPDG(pdgid):
"""Gaussian mass distribution with mass and width of a chosen particle.
Accept the Particle Data Group ID as the only argument."""
return gauss(
pypdt.get(pdgid).mass,
pypdt.get(pdgid).width / (2 * _sqrt(2 * _log(2))))
import math
import numbers
import numpy as np
import pandas as pd
import lmfit as lm
from scipy.spatial.transform import Rotation
import scipy.optimize as optimize
import pypdt
from .conversions import one_gev_c2_to_kg, one_kgm_s_to_mev_c, q_factor
from scipy.constants import c
cbar = c / 1.e9
cmmns = c / 1.e6
m_e = pypdt.get(11).mass*1000.
q_e = -1
# fitting routine
def fit_helix(track_data, B_data, m=m_e, q=q_e, rot=True):
'''
track_data is 4 by N np.array, B_data is 3 by N where each row is
track_data: [t, x, y, z] with units [s, m, m, m]
B_data: [Bx, By, Bz] with units [T, T, T]
(to work out of the box with emtracks.particle)
'''
track_data = track_data.copy() # to not change track_data information
track_data[0] = track_data[0]*1e9 # convert to ns
track_data[1:] = track_data[1:]*1e3 # convert to mm
# x0, y0 = track_data[1:3,0] # for phi0 estimate
# translations:
translate_vec = track_data[:,0].reshape(1, 4)
#!/usr/bin/env python
import ROOT
from math import sqrt
ROOT.gStyle.SetOptStat(00000)
infile=ROOT.TFile("run_0.root")
outfile=ROOT.TFile("cocktail.root","RECREATE")
outfile.cd()
hBreakup=ROOT.TH1F("hBreakup","neutron (breakup) escapes",300,0,300)
hNeutron=ROOT.TH1F("hNeutron","neutron (other) escapes",300,0,300)
hGamma=ROOT.TH1F("hGamma","#gamma escapes",300,0,300)
hOther=ROOT.TH1F("hOther","other",300,0,300)
hAbsorbed=ROOT.TH1F("hAbsorbed","no particle escape",300,0,300)
hDeuteronExit=ROOT.TH1F("deuteronExit","deuteron escapes",300,0,300)
import pypdt
neutron_mass=pypdt.get(2112).mass
proton_mass=pypdt.get(2212).mass
deuteron4=ROOT.TLorentzVector(0,0,sqrt(.270*(.270+2*1.875)),1.875+.270)
mothermass=ROOT.TH1F("mother","mother mass",1000,0,5)
missingmass=ROOT.TH1F("missing","missing mass",1000,0,5)
iev=0
edepMap={}
particleMap={}
for event in infile.sim:
if iev % (0.05*infile.sim.GetEntries())==0:
print str(int(float(100.*iev/infile.sim.GetEntries())))+"% done"
deuteronExit=False
breakup=False
other=False
gamma=False
neutron=False
tracks=[]