xAOD::BPhysHypoHelper Class Reference
List of all members.
Public Member Functions |
| | BPhysHypoHelper (const std::string hypo, const xAOD::Vertex *b) |
| | : Main constructor
|
|
| enum | tau_type { TAU_CONST_MASS,
TAU_INV_MASS
} |
| | : Enum type the proper decay time calculation
More...
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| std::string | m_hypo |
| | name of the mass hypothesis
|
| float | mass () |
| | invariant mass
|
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float | massErr () |
| | invariant mass error
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| bool | setMass (const float val) |
| | invariant mass
|
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bool | setMassErr (const float val) |
| | invariant mass error
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| bool | setMass (const std::vector< double > trkMasses) |
| float | tau (const pv_type vertexType=BPhysHelper::PV_MIN_A0, const tau_type tauType=BPhysHypoHelper::TAU_CONST_MASS) |
| | : Get the proper decay time and error.
|
|
float | tauErr (const pv_type vertexType=BPhysHelper::PV_MIN_A0, const tau_type tauType=BPhysHypoHelper::TAU_CONST_MASS) |
| | proper decay time error
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| bool | setTau (const float val, const pv_type vertexType=BPhysHelper::PV_MIN_A0, const tau_type tauType=BPhysHypoHelper::TAU_CONST_MASS) |
| | : Set the proper decay time and error.
|
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bool | setTauErr (const float val, const pv_type vertexType=BPhysHelper::PV_MIN_A0, const tau_type tauType=BPhysHypoHelper::TAU_CONST_MASS) |
| | proper decay time error
|
| bool | pass () const |
| bool | setPass (bool passVal) |
Member Enumeration Documentation
: Enum type the proper decay time calculation
Methods for access to the proper decay time and its error : TAU_CONST_MASS the proper decay time calculated with the constant mass hypothesis : TAU_INV_MASS the proper decay time calculated with the measured invariant mass
Constructor & Destructor Documentation
| xAOD::BPhysHypoHelper::BPhysHypoHelper |
( |
const std::string |
hypo, |
|
|
const xAOD::Vertex * |
b | |
|
) |
| | [inline] |
: Main constructor
The Main constructor. BPhysHypoHelper does NOT take ownership of the class "b"
- Parameters:
-
| [in] | hypo | Name of the hypothesis |
| [in] | b | Pointer to the xAOD::Vertex |
Member Function Documentation
| float xAOD::BPhysHypoHelper::mass |
( |
|
) |
|
invariant mass
Methods for access to the invariant mass hypothesis and its error Get invariant mass and its error
- Returns:
- : mass or error, -9999999. in case the augmentation doesn't exist
| bool xAOD::BPhysHypoHelper::pass |
( |
|
) |
const |
Methods for access to the pass flags get the pass flag for this hypothesis
- Returns:
- : true, if the candidate passed selection for this hypothesis
| bool xAOD::BPhysHypoHelper::setMass |
( |
const std::vector< double > |
trkMasses |
) |
|
Set invariant mass for given track mass hypotheses. The number of mass hyotheses must be equal to the number of refitted tracks!
- Parameters:
-
| [in] | trkMasses | masses of the tracks. |
- Returns:
- : true on success
| bool xAOD::BPhysHypoHelper::setMass |
( |
const float |
val |
) |
|
invariant mass
Set given invariant mass and its error
- Parameters:
-
| [in] | val | invariant mass or error calculated externally |
- Returns:
- : true on success
| bool xAOD::BPhysHypoHelper::setPass |
( |
bool |
passVal |
) |
|
get the pass flag for this hypothesis
- Parameters:
-
| [in] | input | value. Will be converted to Char_t |
- Returns:
- : true on success
| bool xAOD::BPhysHypoHelper::setTau |
( |
const float |
val, |
|
|
const pv_type |
vertexType = BPhysHelper::PV_MIN_A0, |
|
|
const tau_type |
tauType = BPhysHypoHelper::TAU_CONST_MASS | |
|
) |
| | |
: Set the proper decay time and error.
- Parameters:
-
| [in] | val | input value |
| [in] | vertexType | type (selection) of the PV ( |
- See also:
- : BPhysHelper::pv_type)
- Parameters:
-
| [in] | tauType | specify which value of particle's mass was used ( |
- See also:
- : tau_type)
- Returns:
- : true on success proper decay time
| float xAOD::BPhysHypoHelper::tau |
( |
const pv_type |
vertexType = BPhysHelper::PV_MIN_A0, |
|
|
const tau_type |
tauType = BPhysHypoHelper::TAU_CONST_MASS | |
|
) |
| | |
: Get the proper decay time and error.
The proper decay time is calculated using formula c*tau = Lxy * M / pT. The Lxy can be calculated wrt different choice of the PV. Use parameter vertexType to specify which PV was used. The particle's mass M can be either taken as a constant or as measured invariant mass. Use parameter tauType to specify which value should be used.
- Parameters:
-
| [in] | vertexType | type (selection) of the PV ( |
- See also:
- : BPhysHelper::pv_type)
- Parameters:
-
| [in] | tauType | specify which value of particle's mass was used ( |
- See also:
- : tau_type)
- Returns:
- : proper decay time, -9999999. on error proper decay time
Member Data Documentation
name of the mass hypothesis
Private attributes:
The documentation for this class was generated from the following files:
1.6.1
