hnl.HNL Class Reference

Inheritance diagram for hnl.HNL:

Collaboration diagram for hnl.HNL:

Public Member Functions
	__init__ (self, mass, couplings, debug=False)
	computeNLifetime (self, system="SI")
Public Member Functions inherited from hnl.HNLbranchings
	__init__ (self, mass, couplings, debug=False)
	sqrt_lambda (self, a, b, c)
	QCD_correction (self)
	Width_3nu (self)
	Width_nu_f_fbar (self, alpha, beta)
	Integrand (self, xx, xi)
	I (self, x1, x2, x3)
	Width_l1_l2_nu2 (self, alpha, beta)
	Width_l_u_d (self, alpha, beta, gamma)
	Width_H0_nu (self, H, alpha)
	Width_H_l (self, H, alpha)
	Width_charged_leptons (self)
	Width_neutral_mesons (self)
	Width_charged_mesons (self)
	Width_quarks_neutrino (self)
	Width_quarks_lepton (self)
	NDecayWidth (self)
	findBranchingRatio (self, decayString)
	allowedChannels (self)

Public Attributes
	NLifetime = c.hGeV / self.NDecayWidth()
Public Attributes inherited from hnl.HNLbranchings
	U2 = couplings
list	U = [math.sqrt(ui) for ui in self.U2]
	MN = mass*u.GeV
	CKM = CKMmatrix()
dict	CKMelemSq
list	decays
	QCD_corr = self.QCD_correction()

Detailed Description

HNL physics according to the nuMSM

Definition at line 606 of file hnl.py.

Constructor & Destructor Documentation

__init__()

hnl.HNL.__init__	(		self,
			mass,
			couplings,
			debug = False )

Initialize with mass and couplings of the HNL

Inputs:
mass (GeV)
couplings (list of [U2e, U2mu, U2tau])

Definition at line 610 of file hnl.py.

    def __init__(self, mass, couplings, debug=False):
        """
        Initialize with mass and couplings of the HNL
 
        Inputs:
        mass (GeV)
        couplings (list of [U2e, U2mu, U2tau])
        """
        HNLbranchings.__init__(self, mass, couplings, debug)

Member Function Documentation

computeNLifetime()

hnl.HNL.computeNLifetime	(		self,
			system = "SI" )

Compute the HNL lifetime

Inputs:
- system: choose between default (i.e. SI, result in s) or FairShip (result in ns)

Definition at line 619 of file hnl.py.

    def computeNLifetime(self,system="SI"):
        """
        Compute the HNL lifetime
 
        Inputs:
        - system: choose between default (i.e. SI, result in s) or FairShip (result in ns)
        """
        self.NLifetime = c.hGeV / self.NDecayWidth()
        if system == "FairShip": self.NLifetime *= 1.e9
        return self.NLifetime
 

Member Data Documentation

NLifetime

hnl.HNL.NLifetime = c.hGeV / self.NDecayWidth()

Definition at line 626 of file hnl.py.

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

• python/hnl.py