Low p_T development

Event gallery

Run, Event	simTracks	recTracks	vZeros	vertices	3D
run: 1 event: 1	29	0	0	0
run: 1 event: 2	130	10	0	1
run: 1 event: 3	385	32	0	1
run: 1 event: 4	56	6	0	0
run: 1 event: 5	177	11	0	1
run: 1 event: 6	801	63	0	2
run: 1 event: 7	60	9	0	2
run: 1 event: 8	127	11	0	1
run: 1 event: 9	0	0	0	0
run: 1 event: 10	430	25	0	1
run: 1 event: 11	217	18	0	2
run: 1 event: 12	159	12	0	1
run: 1 event: 13	15	1	0	0
run: 1 event: 14	10	0	0	0
run: 1 event: 15	190	14	0	1
run: 1 event: 16	200	8	0	1
run: 1 event: 17	43	3	0	0
run: 1 event: 18	69	1	0	0
run: 1 event: 19	30	1	0	0
run: 1 event: 20	294	27	0	1
run: 1 event: 21	219	18	0	1
run: 1 event: 22	269	19	0	1
run: 1 event: 23	45	1	0	0
run: 1 event: 24	760	61	0	1
run: 1 event: 25	50	7	0	1
run: 1 event: 26	25	0	0	0
run: 1 event: 27	29	0	0	0
run: 1 event: 28	176	10	0	0
run: 1 event: 29	189	13	0	1
run: 1 event: 30	570	56	4	1
run: 1 event: 31	225	16	0	1
run: 1 event: 32	570	64	0	2
run: 1 event: 33	8	0	0	0
run: 1 event: 34	48	5	0	0
run: 1 event: 35	0	0	0	0
run: 1 event: 36	40	2	0	0
run: 1 event: 37	168	12	0	1
run: 1 event: 38	159	15	0	1
run: 1 event: 39	36	1	0	0
run: 1 event: 40	298	20	0	1
run: 1 event: 41	80	16	1	0
run: 1 event: 42	1	0	0	0
run: 1 event: 43	368	31	1	1
run: 1 event: 44	29	1	0	0
run: 1 event: 45	0	0	0	0
run: 1 event: 46	162	9	1	1
run: 1 event: 47	1	0	0	0
run: 1 event: 48	243	21	0	1
run: 1 event: 49	101	7	0	1
run: 1 event: 50	351	17	0	2

Links

• CMSSW source browser (1_2_0_pre1)
• Instructions
• LiveGraphics3D
• Big pixels

Table of contents

Installation

Standalone install on debian

SLC3 machine:

% setenv VO_CMS_SW_DIR <directory>
% setenv SCRAM_ARCH slc3_ia32_gcc323
% mkdir $VO_CMS_SW_DIR
% wget -O $VO_CMS_SW_DIR/aptinstaller.sh \
  http://cmsdoc.cern.ch/cms/cpt/Software/download/cms/aptinstaller.sh
% chmod +x $VO_CMS_SW_DIR/aptinstaller.sh
% $VO_CMS_SW_DIR/aptinstaller.sh setup -unsupported_distribution_hack \
  -repository cms -path $VO_CMS_SW_DIR
% eval `$VO_CMS_SW_DIR/aptinstaller.sh config -path $VO_CMS_SW_DIR -csh`
% apt-get update
% apt-cache search cmssw
% apt-get install cms+cmssw+CMSSW_1_2_0_pre1

Debian machine:

% setenv SCRAM_ARCH slc3_ia32_gcc323
% setenv VO_CMS_SW_DIR <directory>
% source $VO_CMS_SW_DIR/cmsset_default.csh
% scramv1 project CMSSW CMSSW_1_2_0_pre1

• Install libboost-dev.

Pixel clusters

Pixel digitizer

CMSSW/SimTracker/SiPixelDigitizer/data/PixelDigi.cfi

int32 AddPixelInefficiency = 0 // static loss only, v.low lumi
bool AddNoisyPixels = true
bool !MissCalibrate = true

Pixel clusterizer

CMSSW/RecoLocalTracker/SiPixelClusterizer/src/PixelThresholdClusterizer.cc
in make_cluster change

268     for ( int r = curpix.row()-2; r <= curpix.row()+2; r++) {
269       for ( int c = curpix.col()-2; c <= curpix.col()+2; c++) {

Cluster shape

Hit triplets

-- FerencSikler - 16 Oct 2006