CERN Program Library Long Writeup W5013 - CERNLIB ...

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+SEQ /GCNUM/ Current number for various items C COMMON/GCNUM/NMATE ,NVOLUM,NROTM,NTMED,NTMULT,NTRACK,NPART + ,NSTMAX,NVERTX,NHEAD,NBIT COMMON /GCNUMX/ NALIVE,NTMSTO NMATE number of material banks; NVOLUM number of volume banks; NROTM number of rotation matrix banks; NTMED number of tracking media banks; NTMULT total number of tracks processed in current event (including secondaries); NTRACK number of tracks in the JKINE bank for current event; NPART maximum particle code; NSTMAX maximum number of tracks (high-water mark) in stack JSTAK for current event; NVERTX number of vertices in JVERTX bank for current event; NHEAD number of data words in the JHEAD bank (10); NBIT number of bits per word (initialised in GINIT via ZEBRA); NALIVE number of particles to be tracked in the parallel tracking stack (this mode of tracking is disabled in the current GEANT version); NTMSTO total number of tracks tracked in the current event so far. Same as NTMULT in /GCTRAK/; +SEQ /GCOMIS/ Variables for the COMIS package Variable JU... contains the COMIS address of routine GU.... * COMMON/GCOMIS/ICOMIS,JUINIT,JUGEOM,JUKINE,JUSTEP,JUOUT,JULAST ICOMIS flag to avoid a double initialisation of COMIS; +SEQ /GCONST/ Basic constants See next section for the value of these parameters. C COMMON/GCONST/PI,TWOPI,PIBY2,DEGRAD,RADDEG,CLIGHT,BIG,EMASS COMMON/GCONSX/EMMU,PMASS,AVO PI π; TWOPI 2π; PIBY2 π/2; DEGRAD degrees to radiants conversion factor (π/180); 430 ZZZZ010 – 13
RADDEG radiants to degrees conversion factor (180/π); CLIGHT light velocity in cm s −1 ; BIG arbitrary large number; EMASS electron mass in GeV c −2 ; EMMU muon mass in GeV c −2 ; PMASS proton mass in GeV c −2 ; AVO Avogadro’s number ×10 −24 . +SEQ /GCONSP/ Basic constants These parameters are in SINGLE PRECISION on 64 bits machines. * * DOUBLE PRECISION PI,TWOPI,PIBY2,DEGRAD,RADDEG,CLIGHT,BIG,EMASS DOUBLE PRECISION EMMU,PMASS,AVO PARAMETER (PI=3.14159265358979324D0) PARAMETER (TWOPI=6.28318530717958648D0) PARAMETER (PIBY2=1.57079632679489662D0) PARAMETER (DEGRAD=0.0174532925199432958D0) PARAMETER (RADDEG=57.2957795130823209D0) PARAMETER (CLIGHT=29979245800.D0) PARAMETER (BIG=10000000000.D0) PARAMETER (EMASS=0.0005109990615D0) PARAMETER (EMMU=0.105658387D0) PARAMETER (PMASS=0.9382723128D0) PARAMETER (AVO=0.60221367D0) +SEQ /GCOPTI/ Control of geometry optimisation C COMMON/GCOPTI/ IOPTIM IOPTIM Optimisation flag -1 no optimisation at all; GSORD calls disabled; 0 no optimisation; only user calls to GSORD kept; 1 all non-GSORDered volumes are ordered along the best axis; 2 all volumes are ordered along the best axis. +SEQ /GCPARA/ Control of parametrized energy deposition C C INTEGER BITPHI, BITTET, BITPOT LOGICAL SYMPHI, SYMTEU, SYMTED PARAMETER (LSTACK = 5000) BITPOT is for Phi.Or.Tet ZZZZ010 – 14 431
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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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ECAL BOX specifications 18/11/93 EC
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ECAL SPHE specifications 18/11/93 E
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Geant 3.16 GEANT User’s Guide GEO
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• if the CHONLY flag is set to MA
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y y x x y y y y z z x x z z y y x x
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CAVE PAR1 specifications 20/10/94 y
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Dynamic ordering The list of neighb
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are represented by their values. A
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Where • @302 is the block number
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GEOM Bibliography [1] French Standa
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Geant 3.16 GEANT User’s Guide HIT
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ITRA NUMBV HITS NHITS (INTEGER) is
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HITS Bibliography 175 HITS510 - 3
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Geant 3.16 GEANT User’s Guide IOP
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0 if only IER] structures read in o
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Geant 3.16 GEANT User’s Guide IOP
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IOPA Bibliography [1] J.Zoll. ZEBRA
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Geant 3.16 GEANT User’s Guide KIN
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NTRACK ITRA JKINE NTRACK JK 1 2 3 4
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Geant 3.16 GEANT User’s Guide PHY
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Below are listed the data record ke
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Computation of total crosssection o
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7. Update the number of interaction
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1= generation of secondaries enable
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DEEMAX The formula used by GEANT is
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The second problem has been solved
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GPHYSI Initialisation of physics pr
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• the mean number of tries is not
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as function of the variable u = Eθ
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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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where: Γ = kα 2π [ ɛ = W E 1 1
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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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Geant 3.21 GEANT User’s Guide XIN
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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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Page 419 and 420: XINT Bibliography [1] R.Brun and P.
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Page 437 and 438: SMULS SOMULS STMULS DPHYS3 ILABS SL
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Page 445 and 446: NEXT 1 particle has reached the bou
Page 447 and 448: C COMMON/GCVOL2/NLEVE2,NAMES2(15),N
Page 449 and 450: STEP PLIN PLOG BE2 PLASM TRNSMA BOS
Page 451 and 452: C ESHELL - Shells potentials in eV
Page 453 and 454: Geant 3.11 GEANT User’s Guide ZZZ
Page 455 and 456: GFKINE KINE001, KINE100, KINE199 GF
Page 457 and 458: GPSTAT GEOM700 GPTMED CONS001, CONS
Page 459 and 460: ZZZZ Bibliography [1] T.Sjöstrand
Page 461 and 462: CDRSGA, 297 CGMULO, 221 CHANGEWK, 3
Page 463 and 464: GEANT/DRAWING/KHITS, 372 GEANT/DRAW
Page 465 and 466: GPART, 13, 46, 61, 293 GPCXYZ, 40,
Page 467: PATCHY, 278 PCUTS, 399 PDIGI, 389 P
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