def __init__(self, en, theta, phi):
particle.__init__(self, 22)
#set the photon given its energy en and angles theta and phi
pt = en * sqrt((1. - cos(2. * theta)) / 2.)
#for pz negative
theta = pi - theta
eta = -log(tan(theta / 2.))
#set Lorentz vector
self.vec.SetPtEtaPhiE(pt, eta, phi, en)
#status for final particle
self.stat = 1
def __init__(self, en, pdg, zsign):
#energy, pdg, sign of z-momentum
particle.__init__(self, pdg)
self.pdg = pdg
#status code for beam particles
self.stat = 201
#set kinematics for beam particle
m = TDatabasePDG.Instance().GetParticle(pdg).Mass()
pz = zsign * sqrt(en**2 - m**2)
self.vec.SetPxPyPzE(0, 0, pz, en)
def __init__(self, en, theta, phi):
particle.__init__(self, 11)
#transverse momentum
m = TDatabasePDG.Instance().GetParticle(11).Mass()
pt = sqrt(0.5 * (en**2 - m**2) * (1. - cos(2. * theta)))
#pseudorapidity, rotate the theta for pz negative
theta = pi - theta
eta = -log(tan(theta / 2.))
#set the electron Lorentz vector
self.vec.SetPtEtaPhiE(pt, eta, phi, en)
#status for the final particle
self.stat = 1
def __init__(self, game, x_position, y_position):
particle.__init__(self, game, game.fire_particle_image, 5, 10, 100, x_position, y_position, 500, 1500)
def __init__(self, run, event, s, x, y, z, px, py, pz, t, weight):
mass = 0.0
pdgCode = 12
particle.__init__(self, run, event, s, x, y, z, px, py, pz, t, weight,
mass, pdgCode)
def __init__(self, game, x_position, y_position):
particle.__init__(self, game, game.rock_particle_image, 30, 10, 100, x_position, y_position, 2000, 3000)
def __init__(self, game, x_position, y_position):
particle.__init__(self, game, game.water_particle_image, 5, 5, 50, x_position, y_position, 300, 800)
def __init__(self, run, event, s, x, y, z, px, py, pz, t, weight):
mass = piCnst.mass() / 1000.
partType = "pi+"
particle.__init__(self, run, event, s, x, y, z, px, py, pz, t, weight,
partType)
def __init__(self, run, event, s, x, y, z, px, py, pz, t, weight):
partType = "mu-"
particle.__init__(self, run, event, s, x, y, z, px, py, pz, t, weight,
partType)
