Difference between revisions of "Mcsmear updates"

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== FCAL ==
 
== FCAL ==
 +
 +
{| class="wikitable"
 +
! name !! value !! comment
 +
|-
 +
| FCAL_BLOCK_THRESHOLD || 0.02 || (GeV)
 +
|-
 +
| time smearing || 200. || fixed in mcsmear (ps)
 +
|-
 +
| FCAL_PHOT_STAT_COEF || 0.035 ||
 +
|-
 +
| energy smearing || -> || 1.0 + Gaussian( FCAL_PHOT_STAT_COEF / sqrt(E) )
 +
|}
 +
 +
== TOF ==
 +
 +
{| class="wikitable"
 +
! name !! value !! comment
 +
|-
 +
| TOF_SIGMA || 0.155563 || time smearing factor
 +
|-
 +
| TOF_PHOTONS_PERMEV || 8000. || conversion factor
 +
|-
 +
| dE smearing || -> || Gaussian(sqrt(npe))
 +
|-
 +
| TOF_THRESH_MEV || 0 || threshold on smeared dE
 +
|}
 +
 +
== START COUNTER ==
 +
 +
{| class="wikitable"
 +
! name !! value !! comment
 +
|-
 +
| START_SIGMA || 0.3 || time smearing factor
 +
|-
 +
| START_PHOTONS_PERMEV || 200. || conversion factor
 +
|-
 +
| dE smearing || -> || Gaussian(sqrt(npe))
 +
|-
 +
| STC_THRESH_MEV || 0 || threshold on smeared dE
 +
|}
  
  
 
== BCAL ==
 
== BCAL ==

Revision as of 22:59, 21 April 2015

Current Settings

General Comments

Smearing is performed by adding a Gaussian function, unless otherwise described.

TRIGGER_LOOKBACK_TIME = -100 ns

CDC

name value comment
CDC_TIME_WINDOW 1000. readout window (ns)
CDC_PEDESTAL_SIGMA 50.0 charge smearing factor
CDC_THRESHOLD_FACTOR 4.0 sparsification threshold = CDC_THRESHOLD_FACTOR* CDC_PEDESTAL_SIGMA
CDC_TDRIFT_SIGMA 2.8181818181818e-9 drift time smearing width*1.0e-9 (ns)

[more in hdgeant]

Noise parameterization from 2007.

FDC

name value comment
FDC_TIME_WINDOW 1000. readout window (ns)
FDC_CATHODE_SIGMA 150.0 cathode charge smearing factor
FDC_PED_NOISE -> charge smearing factor = -0.0938 + 0.0485*FDC_CATHODE_SIGMA
FDC_THRESHOLD_FACTOR 4.0 sparsification threshold = FDC_THRESHOLD_FACTOR * FDC_PED_NOISE
FDC_TDRIFT_SIGMA 1.0-9 drift time smearing width*1.0e-9 (ns) [both wire and cathode]

[more in hdgeant]

Noise parameterization from 2007 [only wires].

FCAL

name value comment
FCAL_BLOCK_THRESHOLD 0.02 (GeV)
time smearing 200. fixed in mcsmear (ps)
FCAL_PHOT_STAT_COEF 0.035
energy smearing -> 1.0 + Gaussian( FCAL_PHOT_STAT_COEF / sqrt(E) )

TOF

name value comment
TOF_SIGMA 0.155563 time smearing factor
TOF_PHOTONS_PERMEV 8000. conversion factor
dE smearing -> Gaussian(sqrt(npe))
TOF_THRESH_MEV 0 threshold on smeared dE

START COUNTER

name value comment
START_SIGMA 0.3 time smearing factor
START_PHOTONS_PERMEV 200. conversion factor
dE smearing -> Gaussian(sqrt(npe))
STC_THRESH_MEV 0 threshold on smeared dE


BCAL

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