python.samplers.ERapMPhiSampler Class Reference

Inheritance diagram for python.samplers.ERapMPhiSampler:

Collaboration diagram for python.samplers.ERapMPhiSampler:

Public Types
typedef HLT::TypeInformation::for_each_type_c< typenameEDMLIST::map, my_functor, my_result<>, my_arg< HLT::TypeInformation::get_cont, CONTAINER > >::type	result

Public Member Functions
	__init__ (self, energy, rap, mass=0.0, phi=[0, TWOPI])
	energy (self)
	energy (self, x)
	rap (self)
	rap (self, x)
	mass (self)
	mass (self, x)
	phi (self)
	phi (self, x)
	shoot (self)
	__call__ (self)

Public Attributes
	energy = energy
	rap = rap
	mass = mass
	phi = phi

Protected Attributes
	_e = mksampler(x)
	_rap = mksampler(x)
	_m = mksampler(x)
	_phi = mksampler(x)

Detailed Description

Definition at line 497 of file samplers.py.

Member Typedef Documentation

result

typedef HLT::TypeInformation::for_each_type_c<typenameEDMLIST::map,my_functor,my_result<>,my_arg<HLT::TypeInformation::get_cont,CONTAINER>>::type master_search< typenameEDMLIST::map, HLT::TypeInformation::get_cont, CONTAINER >::result

inherited

Definition at line 90 of file EDM_MasterSearch.h.

Constructor & Destructor Documentation

__init__()

python.samplers.ERapMPhiSampler.__init__	(		self,
			energy,
			rap,
			mass = 0.0,
			phi = [0, TWOPI] )

Definition at line 502 of file samplers.py.

    def __init__(self, energy, rap, mass=0.0, phi=[0, TWOPI]):
        self.energy = energy
        self.rap = rap
        self.mass = mass
        self.phi = phi
 

Member Function Documentation

__call__()

python.samplers.Sampler.__call__ ( self )

inherited

This is the call method that will actually be used (so that normal
functions can also be passed in as samplers).

Definition at line 17 of file samplers.py.

    def __call__(self):
        """This is the call method that will actually be used (so that normal
        functions can also be passed in as samplers)."""
        return self.shoot()
 

energy() [1/2]

python.samplers.ERapMPhiSampler.energy

(

self

)

Definition at line 509 of file samplers.py.

    def energy(self):
        "Energy sampler"
        return self._e

energy() [2/2]

python.samplers.ERapMPhiSampler.energy	(		self,
			x )

Definition at line 513 of file samplers.py.

    def energy(self, x):
        self._e = mksampler(x)
 

mass() [1/2]

python.samplers.ERapMPhiSampler.mass

(

self

)

Definition at line 525 of file samplers.py.

    def mass(self):
        "Mass sampler"
        return self._m

mass() [2/2]

python.samplers.ERapMPhiSampler.mass	(		self,
			x )

Definition at line 529 of file samplers.py.

    def mass(self, x):
        self._m = mksampler(x)
 

phi() [1/2]

python.samplers.ERapMPhiSampler.phi

(

self

)

Definition at line 533 of file samplers.py.

    def phi(self):
        "Azimuthal angle sampler"
        return self._phi

phi() [2/2]

python.samplers.ERapMPhiSampler.phi	(		self,
			x )

Definition at line 537 of file samplers.py.

    def phi(self, x):
        self._phi = mksampler(x)
 

rap() [1/2]

python.samplers.ERapMPhiSampler.rap

(

self

)

Definition at line 517 of file samplers.py.

    def rap(self):
        "Rapidity sampler"
        return self._rap

rap() [2/2]

python.samplers.ERapMPhiSampler.rap	(		self,
			x )

Definition at line 521 of file samplers.py.

    def rap(self, x):
        self._rap = mksampler(x)
 

shoot()

python.samplers.ERapMPhiSampler.shoot

(

self

)

y = 0.5 * ln((E+pz)/(E-pz))
-> (E^2 - pz^2) exp(2y) = (E+pz)^2
 & (E^2 - pz^2) exp(-2y) = (E-pz)^2
-> E = sqrt(pt^2 + m^2) cosh(y)
-> pz = sqrt(pt^2 + m^2) sinh(y)
-> sqrt(pt^2 + m^2) = E / cosh(y)

Reimplemented from python.samplers.Sampler.

Definition at line 540 of file samplers.py.

    def shoot(self):
        """
        y = 0.5 * ln((E+pz)/(E-pz))
        -> (E^2 - pz^2) exp(2y) = (E+pz)^2
         & (E^2 - pz^2) exp(-2y) = (E-pz)^2
        -> E = sqrt(pt^2 + m^2) cosh(y)
        -> pz = sqrt(pt^2 + m^2) sinh(y)
        -> sqrt(pt^2 + m^2) = E / cosh(y)
        """
        e = max(self.mass(),self.energy())
        y = self.rap()
        sqrt_pt2_m2 = e / math.cosh(y)
        pz = sqrt_pt2_m2 * math.sinh(y)
        m = self.mass()
        pt = math.sqrt( sqrt_pt2_m2**2 - m**2 )
        phi = self.phi()
        px = pt * math.cos(phi)
        py = pt * math.sin(phi)
        v4 = ROOT.TLorentzVector(px, py, pz, e)
        return v4
 
 

Member Data Documentation

_e

python.samplers.ERapMPhiSampler._e = mksampler(x)

protected

Definition at line 514 of file samplers.py.

_m

python.samplers.ERapMPhiSampler._m = mksampler(x)

protected

Definition at line 530 of file samplers.py.

_phi

python.samplers.ERapMPhiSampler._phi = mksampler(x)

protected

Definition at line 538 of file samplers.py.

_rap

python.samplers.ERapMPhiSampler._rap = mksampler(x)

protected

Definition at line 522 of file samplers.py.

energy

python.samplers.ERapMPhiSampler.energy = energy

Definition at line 503 of file samplers.py.

mass

python.samplers.ERapMPhiSampler.mass = mass

Definition at line 505 of file samplers.py.

phi

python.samplers.ERapMPhiSampler.phi = phi

Definition at line 506 of file samplers.py.

rap

python.samplers.ERapMPhiSampler.rap = rap

Definition at line 504 of file samplers.py.

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The documentation for this class was generated from the following file:

• samplers.py