CERN Program Library Long Writeup W5013 - CERNLIB ...

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Geant 3.16 GEANT User’s Guide HITS299 Origin : R.Brun Submitted: 01.11.83 Revision : Revised: 18.12.93 Documentation : The JHITS data structure NSET ISET JHITS NDET IDET JH NDET JHD 1st hit 2nd hit, etc. Figure 32: Layout of the JHITS data structure JH=LQ(JHITS-ISET) pointer to hits structure for set number ISET IQ(JH+IDET) number of words used for storing the hits of detector number IDET JHD=LQ(JH-IDET) pointer to hits bank for detector number IDET of set number ISET IQ(JHD+1) 1 st word of 1 st hit IQ(JHD+NWH+1) 1 st word of 2 nd hit JS=LQ(JSET-ISET) pointer to the structure containing the description of set number ISET JD=LQ(JS-IDET) pointer to the bank containing the description of detector number IDET of set number ISET NWH=IQ(JD+3) number of words in which a hit of detector number IDET of set number ISET is stored The JHITS structure is filled with the routines GSAHIT and GSCHIT. The routine GFHITS can be used to get the hits for a detector IDET in set ISET. 166 HITS299 – 1
Geant 3.16 GEANT User’s Guide HITS300 Origin : R.Brun, W.Gebel Submitted: 10.08.84 Revision : Revised: 18.12.93 Documentation : Routines to store and retrieve DIGItisations CALL GSDIGI (ISET,IDET,LTRA,NTRA,NUMBV,KDIGI,IDIG*) ISET IDET LTRA NUMBV KDIGI IDIG (INTEGER) set number; (INTEGER) detector number; (INTEGER) array of NTRA track numbers producing this digitisation; (INTEGER) volume numbers corresponding to list NAMESV of GSDET; (INTEGER) array of current digisation elements; (INTEGER) stored digitisation number, if 0, digitisation has not been stored. Stores element values for current digitisation into the data structure JDIGI. CALL GPDIGI (CHSET,CHDET) CHSET CHDET (CHARACTER*4) set name, if ’*’ prints all JDIGI banks of all sets; (CHARACTER*4) detector name, if ’*’ prints digitisations in all detectors of set; CHSET Prints JDIGI banks for detector CHDET of set CHSET. CALL GFDIGI (CHSET,CHDET,NTDIM,NVDIM,NDDIM,NDMAX,NUMVS, LTRA*,NTRA*,NUMBV*,KDIGI*,NDIGI*) CHSET CHDET NTDIM NVDIM NDDIM NDMAX NUMVS LTRA NTRA NUMBV (INTEGER) set name; (INTEGER) detector name; (INTEGER) 1 s t dimension of LTRA, maxmum number of tracks contributing to each hit to be returned; (INTEGER)1 st dimension of arrays NUMVS, NUMBV, same as argument NV of GSDET; (INTEGER)1 st dimension of KDIGI, same as argument ND of GSDETD; (INTEGER) maximum number of digitisations to be returned, second dimension of arrays NTDIM, NUMBV and KDIGI; (INTEGER) is a 1-dim array of length NVDIM that contains the copy numbers identifying the detector to be selected, all 0 is interpreted as all copies of detector CHDET; (INTEGER) is a 2-dim array NTDIM,NDMAX that contains for each digitisation the numbers of the tracks which have produced it; (INTEGER) is a 1-dim array of length NDMAX that contains, for each digitisation, the number of tracks contributing, in case this number is greater than NTDIM, only the first NTDIM corresponding tracks are returned on LTRA; (INTEGER) is a 2-dim array NVDIM,NDMAX that contains, for each digitisation, the list of volume numbers which identify each detector; 167 HITS300 – 1
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CERN Program Library Long Writeup W
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Chapter 1: Catalog of Geant section
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IOPA500 KINE001 KINE100 KINE199 KIN
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Geant 3.21 GEANT User’s Guide AAA
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The routines made available for GEA
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outines, then you can type the foll
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AAAA Bibliography [1] H.J. Klein an
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2 Event simulation framework The fr
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• after each tracking step along
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GUDIGI GUOUT GTRIGC UGLAST GLAST GU
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Particles JPART Materials JMATE/JTM
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3 Summary of GEANT data records 3.1
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3.4 User applications KEY N I VAR S
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Geant 3.16 GEANT User’s Guide BAS
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SUBROUTINE UGEOM + (’TGT ’,2,
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LQ(JHEAD-1) user link IQ(JHEAD+1) I
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VALUE = GARNDM (DUMMY) DUMMY (REAL)
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Geant 3.16 GEANT User’s Guide CON
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1 Energy binning IDECAD Bin number
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Particle No. Mass(GeV) Charge Life
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¯Ω + ¯Ξ 0 π + 23.60 ¯ΛK + 67
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Geant 3.16 GEANT User’s Guide DRA
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The main drawing routines are: GDRA
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Another feature which is available
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z y x C CHARACTER*4 CHNAMS(5) INTEG
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CALL GDRAWC(’OPAL’,2,0.,10.,10.
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CALL GSATT(’HB’,’FILL’,3) C
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CALL GDRAW(’CAVE’,40.,40.,0.,10
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Figure 16: Example of use of GDSPEC
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CALL GDOPEN(3) CALL GDRAWC(’ALEF
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6 NKVIEW IVIEW JDRAW NKVIEW JV = IB
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SHAD EDGE when HIDE is ON, selects
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x1xxxx 1xxxxx add the text EVENT NR
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DRAW Bibliography [1] R.Bock et al.
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2 Volumes with contents A volume ca
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The user can position a volume thro
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0 1 2 1 0 1 0 1 2 3 4 5 6 7 Figure
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2 Divisions along arbitrary axis As
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9.BL2 half-length along x of the si
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1.DZ half-length along the z axis;
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Geant 3.16 GEANT User’s Guide PHY
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GEANT 3.16 GEANT User’s Guide PHY
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where N Z(Z i ) A(A i ) ρ σ Avoga
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Word # PHFN bank (data area, contin
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2 Method If the energy of the radia
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The Auger or Coster-Kronig transiti
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where: n number of energy bins q i
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• Case dielectric → metal. The
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| ⃗ k| = | ⃗ k ′′ | = k =
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Case dielectric → metal In this c
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5 Processes involving Čerenkov pho
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Much of the difficulty in approxima
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CALL GMOLIE (OMEGA,BETA2,DIN*) OMEG
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where λ 0 = ¯h/p Compton waveleng
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2.3 Sampling of the distribution fu
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X 0 is the radiation length. From (
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where we have set Θ=θ/χ α . To
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The variable DCUTE in common /GCCUT
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2.2 Total cross-sections The integr
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For the other charged particles the
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POTI POTIL (REAL) average ionisatio
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where φ(λ) = 1 ∫ c+i∞ exp (u
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Counts 900 800 Landau 700 40 600 20
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Fast simulation for n 3 ≥ 16 If t
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ξ/E Max (hereafter κ) relative im
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ln(∫ σ γ dE/norm.factor) -4 -6
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VALUE = GBFSIG (T,C) GBFSIG calcula
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∆σ σ = { 12 − 15% for T ≤ 1
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T(MeV) C Pb ∆El 0 ∆E l ∆σ l
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1. sample x from 1 1 ln 1 x c x set
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E bind , eV 10 5 10 20 30 40 50 60
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eV). At present the values recommen
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calculated dE dx − dE measured dx
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Figure 43: Stopping powers in Carbo
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esults can be seen in table 2 and 3
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VALUE = GBRSGM (Z,T,BCUT) Z T BCUT
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The functions F i (Z,X,Y) (i = σ,
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where, (a − 1) 1 f(ν) = ( ) 1 ν
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NLM DENS CORR IPART (INTEGER) numbe
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Hydrogen (bound) Sodium Copper Hydr
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[25] M. Gavrila. Relativistic l-she
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[78] R.W.Williams. Fundamental Form
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[CONS]). Usually, this is done toge
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Geant 3.16 GEANT User’s Guide TRA
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VECT,SNEXT,SAFETY Compute distance
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VECT,SNEXT,SAFETY Compute distance
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VECT,SNEXT,SAFETY Compute SFIELD,SM
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SUBROUTINE GUSTEP +SEQ,GCKING,GCVOL
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CALL GRKUTA (CHARGE,STEP,VECT,VOUT*
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Geant 3.16 GEANT User’s Guide XIN
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Clicking then on the right button o
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YMED R “ Center Y coordinate ”
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HIDE is ON, the detector can be exp
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e drawn. NAMNUM contain the arrays
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following levels (red arrows) and o
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Draw a polyline of ’npoint’ poi
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a dynamical 3-D analysis of the sim
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1. position the cursor at (uz0,vz0)
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CHUSET C “User set identifier”
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Set current attribute. 4.8 SSETVA [
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CALL GDCOL(-abs(icol)) 4.12 LWID lw
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5 GEANT/GEOMETRY Geometry commands.
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Print matrixes’ specifications. 5
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YES NO 6.7 SCONS name numed inrdw o
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7 GEANT/CONTROL Control commands. 7
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To change lout in /GCUNIT/ Note: un
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IPART I “Particle number” NAPAR
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8.5 CDIR [ chpath chopt ] CHPATH C
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9 GEANT/FZ ZEBRA/FZ commands 9.1 FZ
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Check the structure of one or more
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FACTL R “Scale factor for SL” D
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12 GEANT/PHYSICS Commands to set ph
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Possible IDRAY values are: 0 1 2 To
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12.14 PAIR [ ipair ] IPAIR C “Fla
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PPCUTM R “Cut for e+e- pairs by m
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LGET_15 C “user word” LGET_16 C
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13.6 GEOM [ lgeom˙1 lgeom˙2 lgeom
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LSTAT_7 C “user word” LSTAT_8 C
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XINT Bibliography [1] R.Brun and P.
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This common contains the threshold
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ITR3D track being scanned (used tog
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NCLAS1 NCLAS2 NCLAS3 IHOLE CGXMIN C
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* PARAMETER (MAXJMP=30) COMMON/GCJU
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GYMAX GZMIN GZMAX GXXXX GYYYY GZZZZ
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RADDEG radiants to degrees conversi
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PCUTNE parameterisation threshold f
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SMULS SOMULS STMULS DPHYS3 ILABS SL
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NTETA TETMIN TETMAX MODTET number o
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S2 S3 SS1 SS2 SS3 LEP IPORLI ISUBLI
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CFIELD constant for field step eval
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NEXT 1 particle has reached the bou
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C COMMON/GCVOL2/NLEVE2,NAMES2(15),N
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STEP PLIN PLOG BE2 PLASM TRNSMA BOS
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C ESHELL - Shells potentials in eV
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Geant 3.11 GEANT User’s Guide ZZZ
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GFKINE KINE001, KINE100, KINE199 GF
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GPSTAT GEOM700 GPTMED CONS001, CONS
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ZZZZ Bibliography [1] T.Sjöstrand
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CDRSGA, 297 CGMULO, 221 CHANGEWK, 3
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GEANT/DRAWING/KHITS, 372 GEANT/DRAW
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GPART, 13, 46, 61, 293 GPCXYZ, 40,
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