PixelTrackErrorParam Class Reference

#include <PixelTrackErrorParam.h>

Public Member Functions
double	errCot () const
double	errPhi () const
double	errPt () const
double	errTip () const
double	errZip () const
	PixelTrackErrorParam (double eta, double pt)

Private Attributes
unsigned int	theIEta
double	thePt
double	thePt2

Static Private Attributes
static double const	cotPar0_ [nEta]
static double const	cotPar1_ [nEta]
static double const	cotPar2_ [nEta]
static const unsigned int	nEta = 25
static double const	phiPar0_ [nEta]
static double const	phiPar1_ [nEta]
static double const	ptPar0_ [nEta]
static double const	ptPar1_ [nEta]
static double const	tipPar0_ [nEta]
static double const	tipPar1_ [nEta]
static double const	zipPar0_ [nEta]
static double const	zipPar1_ [nEta]

Detailed Description

Definition at line 5 of file PixelTrackErrorParam.h.

Constructor & Destructor Documentation

PixelTrackErrorParam::PixelTrackErrorParam	(	double	eta,
		double	pt
	)

Definition at line 77 of file PixelTrackErrorParam.cc.

References min(), nEta, theIEta, thePt, and thePt2.

 : thePt(pt)
{
  theIEta = std::min( static_cast<unsigned int>(10.*fabs(eta)), nEta-1);
  thePt2 = thePt*thePt;
}

Member Function Documentation

double PixelTrackErrorParam::errCot ( ) const

inline

Definition at line 10 of file PixelTrackErrorParam.h.

References cotPar0_, cotPar1_, cotPar2_, theIEta, thePt, and thePt2.

Referenced by PixelFitterByHelixProjections::run().

{ return cotPar0_[theIEta] + cotPar1_[theIEta]/thePt + cotPar2_[theIEta]/thePt2; }

double PixelTrackErrorParam::errPhi ( ) const

inline

Definition at line 13 of file PixelTrackErrorParam.h.

References phiPar0_, phiPar1_, mathSSE::sqrt(), theIEta, and thePt2.

Referenced by PixelFitterByHelixProjections::run().

{ return sqrt(phiPar0_[theIEta] + phiPar1_[theIEta]/thePt2); } 

double PixelTrackErrorParam::errPt

(

)

const

Definition at line 84 of file PixelTrackErrorParam.cc.

References corr, ptPar0_, ptPar1_, theIEta, thePt, and thePt2.

Referenced by PixelFitterByHelixProjections::run().

{
  double err = ptPar0_[theIEta]*thePt + ptPar1_[theIEta]*thePt2;  
  double corr;
  if (thePt > 11.2) corr = 1.152; 
  else if (thePt < 0.1)  corr = 0.95;
  else corr =  7.68857e-01 + 6.79391e-02*thePt + 2.65445e-02/thePt  -3.02932e-03*thePt2 + -9.57928e-04/thePt2;
  err *= corr; 
  return err;
} 

double PixelTrackErrorParam::errTip ( ) const

inline

Definition at line 11 of file PixelTrackErrorParam.h.

References mathSSE::sqrt(), theIEta, thePt2, tipPar0_, and tipPar1_.

Referenced by PixelFitterByHelixProjections::run().

{ return sqrt(tipPar0_[theIEta] + tipPar1_[theIEta]/thePt2); }

double PixelTrackErrorParam::errZip ( ) const

inline

Definition at line 12 of file PixelTrackErrorParam.h.

References mathSSE::sqrt(), theIEta, thePt2, zipPar0_, and zipPar1_.

Referenced by PixelFitterByHelixProjections::run().

{ return sqrt(zipPar0_[theIEta] + zipPar1_[theIEta]/thePt2); } 

Member Data Documentation

double const PixelTrackErrorParam::cotPar0_

staticprivate

Initial value:

= {
    0.00213472, 0.00181974, 0.00141473, 0.00106457, 0.000889918, 
    0.000961023, 0.00116, 0.00115963, 0.00101409, 0.000964437, 
    0.00113729, 0.00116469, 0.00101364, 0.00111189, 0.00104036, 
    0.00100723, 0.00106901, 0.000940168, 0.000883219, 0.000736283, 
    0.000756613, 0.000906564, 0.00111986, 0.00136062, 0.00197484}

Definition at line 22 of file PixelTrackErrorParam.h.

Referenced by errCot().

double const PixelTrackErrorParam::cotPar1_

staticprivate

Initial value:

= {
    0.000388201, 0.000451948, 0.00066852, 0.000904649, 0.00106097, 
    0.00102086, 0.00106799, 0.00110299, 0.00150064, 0.00177285, 
    0.00194803, 0.00230273, 0.00300421, 0.00348461, 0.00432021, 
    0.00508771, 0.00611297, 0.00755584, 0.00942645, 0.0118813, 
    0.013826, 0.0163194, 0.018632, 0.0220511, 0.0247037}

Definition at line 23 of file PixelTrackErrorParam.h.

Referenced by errCot().

double const PixelTrackErrorParam::cotPar2_

staticprivate

Initial value:

= {
    0.000290315, 0.000300312, 0.000269851, 0.000273811, 0.000289154, 
    0.000371789, 0.000419882, 0.00051815, 0.00051251, 0.000562468, 
    0.000648634, 0.000714208, 0.000691232, 0.000784168, 0.000780865, 
    0.000895448, 0.000941508, 0.00102813, 0.00101404, 0.00111243, 
    0.00131101, 0.00133329, 0.0013636, 0.001091, 0.00131116}

Definition at line 24 of file PixelTrackErrorParam.h.

Referenced by errCot().

const unsigned int PixelTrackErrorParam::nEta = 25

staticprivate

Definition at line 19 of file PixelTrackErrorParam.h.

Referenced by PixelTrackErrorParam().

double const PixelTrackErrorParam::phiPar0_

staticprivate

Initial value:

= {
    8.69733e-06, 8.63657e-06, 8.59294e-06, 8.58639e-06, 8.47653e-06, 
    8.07612e-06, 7.75151e-06, 7.41186e-06, 6.92146e-06, 6.45626e-06, 
    6.13366e-06, 5.84499e-06, 5.37023e-06, 5.16333e-06, 4.52533e-06, 
    3.90497e-06, 3.63283e-06, 3.55382e-06, 4.16804e-06, 5.5828e-06, 
    7.86881e-06, 1.19253e-05, 1.68948e-05, 2.2651e-05, 2.86073e-05}

Definition at line 29 of file PixelTrackErrorParam.h.

Referenced by errPhi().

double const PixelTrackErrorParam::phiPar1_

staticprivate

Initial value:

= {
    1.19179e-05, 1.22353e-05, 1.25472e-05, 1.29066e-05, 1.35411e-05, 
    1.42899e-05, 1.52777e-05, 1.59837e-05, 1.75634e-05, 1.93287e-05, 
    2.06825e-05, 2.34967e-05, 2.63522e-05, 2.79937e-05, 3.12305e-05, 
    3.45185e-05, 3.71191e-05, 4.08867e-05, 4.39826e-05, 4.67677e-05, 
    5.41138e-05, 5.89463e-05, 5.9988e-05, 6.81183e-05, 7.61777e-05}

Definition at line 30 of file PixelTrackErrorParam.h.

Referenced by errPhi().

double const PixelTrackErrorParam::ptPar0_

staticprivate

Initial value:

= {
    0.0494062, 0.0481573, 0.0494433, 0.0509793, 0.0518965, 
    0.0541088, 0.0564495, 0.058404, 0.0613199, 0.0657811, 
    0.0668737, 0.0720964, 0.0752415, 0.0801675, 0.0837472, 
    0.0879407, 0.0905341, 0.0931733, 0.095179, 0.0965753, 
    0.0988105, 0.100972, 0.102711, 0.108616, 0.113405}

Definition at line 20 of file PixelTrackErrorParam.h.

Referenced by errPt().

double const PixelTrackErrorParam::ptPar1_

staticprivate

Initial value:

= {
    0.0239574, 0.0244798, 0.0239764, 0.0236808, 0.0233654, 
    0.0225266, 0.0217593, 0.0210034, 0.0199915, 0.0185826, 
    0.0181862, 0.0170128, 0.0160879, 0.0148883, 0.0137523, 
    0.0120505, 0.011127, 0.0106431, 0.0110392, 0.0122759, 
    0.014541, 0.0187583, 0.0232712, 0.029388, 0.0366684}

Definition at line 21 of file PixelTrackErrorParam.h.

Referenced by errPt().

unsigned int PixelTrackErrorParam::theIEta

private

Definition at line 16 of file PixelTrackErrorParam.h.

Referenced by errCot(), errPhi(), errPt(), errTip(), errZip(), and PixelTrackErrorParam().

double PixelTrackErrorParam::thePt

private

Definition at line 17 of file PixelTrackErrorParam.h.

Referenced by errCot(), errPt(), and PixelTrackErrorParam().

double PixelTrackErrorParam::thePt2

private

Definition at line 17 of file PixelTrackErrorParam.h.

Referenced by errCot(), errPhi(), errPt(), errTip(), errZip(), and PixelTrackErrorParam().

double const PixelTrackErrorParam::tipPar0_

staticprivate

Initial value:

= {
    9.90634e-05, 9.84316e-05, 9.7779e-05, 9.7172e-05, 9.59827e-05, 
    9.12931e-05, 8.8664e-05, 8.4127e-05, 7.84482e-05, 7.35595e-05, 
    6.88885e-05, 6.65879e-05, 6.13386e-05, 5.79879e-05, 5.25827e-05, 
    4.55881e-05, 4.29735e-05, 4.22894e-05, 4.81632e-05, 6.1353e-05, 
    8.30893e-05, 0.000120545, 0.000161677, 0.000209437, 0.000253306}

Definition at line 25 of file PixelTrackErrorParam.h.

Referenced by errTip().

double const PixelTrackErrorParam::tipPar1_

staticprivate

Initial value:

= {
    0.000125424, 0.000127228, 0.000130865, 0.000135964, 0.000141355, 
    0.000148999, 0.000156763, 0.000164105, 0.000180502, 0.000199711, 
    0.000212115, 0.000238949, 0.00026887, 0.000284436, 0.000319527, 
    0.000354601, 0.000380476, 0.000423449, 0.000465315, 0.000505804, 
    0.000589181, 0.000628609, 0.000646786, 0.000703491, 0.000768749}

Definition at line 26 of file PixelTrackErrorParam.h.

Referenced by errTip().

double const PixelTrackErrorParam::zipPar0_

staticprivate

Initial value:

= {
    0.000169077, 0.000122234, 7.81059e-05, 4.62916e-05, 3.28052e-05, 
    3.76424e-05, 5.75582e-05, 5.63495e-05, 4.67628e-05, 4.40946e-05, 
    6.15461e-05, 6.63201e-05, 5.73973e-05, 7.15086e-05, 6.90156e-05, 
    7.00145e-05, 8.36148e-05, 7.80617e-05, 8.25872e-05, 7.79393e-05, 
    7.9259e-05, 9.05574e-05, 0.000128749, 0.000194952, 0.000303037}

Definition at line 27 of file PixelTrackErrorParam.h.

Referenced by errZip().

double const PixelTrackErrorParam::zipPar1_

staticprivate

Initial value:

= {
    5.28294e-05, 5.31931e-05, 5.40785e-05, 6.07465e-05, 6.69913e-05, 
    7.49936e-05, 8.8254e-05, 0.000102271, 0.000130148, 0.000160872, 
    0.000200952, 0.000259911, 0.000335115, 0.000446125, 0.0005964, 
    0.000774316, 0.0010434, 0.0014346, 0.00197845, 0.00289929, 
    0.00390585, 0.00565505, 0.00724132, 0.00944603, 0.0119224}

Definition at line 28 of file PixelTrackErrorParam.h.

Referenced by errZip().