PileUp

Description

class PileUp

Contains all relevant information to apply the PU staub sauger and profile reweighting.

#include <Event.h>

Collaboration diagram for PileUp:

Public Member Functions
float	GetTrPU (const char v='0') const
float	GetInTimePU (const char v='0', const bool useDefault=true) const
void	clear ()

Public Attributes
float	rho
int	nVtx
float	trpu
int	intpu
std::vector< float >	pthats
std::vector< unsigned long long >	MBevents

Static Public Attributes
static float	MBxsec = 69200
static float	MBxsecRelUnc = 0.046
static TRandom3	r3

Member Function Documentation

clear()

void clear

(

)

to clear for each new event in n-tupliser

{
    nVtx = DUMMY; rho = DUMMY;
    trpu = DUMMY; intpu = DUMMY;
    pthats.clear();
    MBevents.clear();
}

GetInTimePU()

float GetInTimePU	(	const char	v = '0',
		const bool	useDefault = true
	)		const

pile-up variations

{
    if (useDefault) {
        if (intpu == DUMMY)
            throw std::runtime_error("In-time pile-up has not been set properly.");
        switch (v) {
            case '+': return intpu * (1+MBxsecRelUnc);
            case '-': return intpu * (1-MBxsecRelUnc);
            case '0':
            default:  return intpu;
        }
    }
    else {
        if (trpu == DUMMY)
            throw std::runtime_error("True pile-up has not been set properly.");
        float trpu = GetTrPU(v);
        return r3.Poisson(trpu);
    }
}

GetTrPU()

float GetTrPU

(

const char

v = '0'

)

const

pile-up variations

{
    if (trpu == DUMMY)
        throw std::runtime_error("True pile-up has not been set properly.");
 
    switch (v) {
        case '+': return trpu * (1+MBxsecRelUnc);
        case '-': return trpu * (1-MBxsecRelUnc);
        case '0':
        default:  return trpu;
    }
}

Member Data Documentation

intpu

int intpu

in-time pile-up (i.e. from the same bunch crossing)

MBevents

std::vector<unsigned long long> MBevents

event IDs in MB sample

MBxsec

float MBxsec = 69200

static

MBxsecRelUnc

float MBxsecRelUnc = 0.046

static

nVtx

int nVtx

number of vertices in the event

pthats

std::vector<float> pthats

all hard scales found in PU

r3

TRandom3 r3

static

rho

float rho

soft activity (see formula 7.15 in Patrick's thesis)

trpu

float trpu

true pile-up

---

The documentation for this struct was generated from the following files:

• /builds/cms-analysis/general/DasAnalysisSystem/Core/Installer/Core/Objects/interface/Event.h
• /builds/cms-analysis/general/DasAnalysisSystem/Core/Installer/Core/Objects/src/Event.cc