CERN Program Library Long Writeup W5013 - CERNLIB ...

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KEY N I VAR Short description COMMON GINIT ERAN 3 M cross-section tables structure: R EKMIN minimum energy for the cross-section tables /GCMULO/ 10 −5 R EKMAX maximum energy for the cross-section tables /GCMULO/ 10 4 I NEKBIN number of logarithmic bins for cross-section tables /GCMULO/ 90 HADR 1 I IHADR hadronic process /GCPHYS/ 1 LABS 1 I ILABS Čerenkov light absorbtion /GCPHYS/ 0 LOSS 1 I ILOSS energy loss /GCPHYS/ 2 MULS 1 I IMULS multiple scattering /GCPHYS/ 1 MUNU 1 I IMUNU muon nuclear interaction /GCPHYS/ 1 PAIR 1 I IPAIR pair production /GCPHYS/ 1 PFIS 1 I IPFIS photofission /GCPHYS/ 0 PHOT 1 I IPHOT photo electric effect /GCPHYS/ 1 RAYL 1 I IRAYL Rayleigh scattering /GCPHYS/ 0 STRA 1 I ISTRA energy fluctuation model /GCPHYS/ 0 SYNC 1 I ISYNC synchrotron radiation generation /GCPHYS/ 0 3.3 Debug and I/O operations KEY N I VAR Short description COMMON GINIT DEBU 3 M IDEMIN first event to debug. /GCFLAG/ 0 IDEMAX last event to debug /GCFLAG/ 0 ITEST print control frequency /GCFLAG/ 0 GET 20 M LGET NGET names of data structures to fetch (see Note) /GCLIST/ Blank PRIN 20 M LPRIN NPRIN user keywords to print data structure (see /GCLIST/ Blank Note) RGET 20 M LRGET NRGET names of data structures to fetch from RZ /GCRZ/ Blank files (see Note) RSAV 20 M LRSAVE NRSAVE names of data structures to save from RZ /GCRZ/ Blank files (see Note) SAVE 20 M LSAVE NSAVE names of data structures to save (see /GCLIST/ Blank Note) SWIT 10 I ISWIT user flags for debug /GCFLAG/ 0 Note: the user data records for I/O have no effect on the GEANT system, and the user is supposed to analyse them at run time and take corresponding action. For instance, a use of the PRIN data record could be the following: CALL GLOOK(’VOLU’,LPRIN,NPRIN,IPRES) IF(IPRES.NE.0) THEN CALL GPVOLU(0) ENDIF All the names quoted here are given as 4-character strings in input and their ASCII equivalent is read into the corresponding variable. The same applies to the user lists of the following section. 22 BASE040 – 3
3.4 User applications KEY N I VAR Short description COMMON GINIT KINE 11 M IKINE user flag /GCKINE/ 0 PKINE 10 user words /GCKINE/ 10 10 SETS 20 M LSETS user words for detector sets /GCLIST/ Blank STAT 20 M LSTAT user words to control statistics /GCLIST/ Blank PLOT 20 M LPLOT user words to control plots /GCLIST/ Blank GEOM 20 M LGEOM user words to control geometry setup /GCLIST/ Blank VIEW 20 M LVIEW user words to control view banks /GCLIST/ Blank See note in the previous section on the use of these data records. 3.5 Lund event generation KEY N I VAR Short description COMMON GINIT LUND 2 M IFLUND flavour code (See /GLUNDI/) /GCLUND/ 0 R ECLUND total CMS energy /GCLUND/ 94 3.6 Scan geometry control The scan geometry has been introduced in GEANT version 3.15 with the idea of developing a general parametrisation scheme. While the scan geometry can already be built, the parametrisation scheme has not yet been developed, so the following data records have to be considered as a forward compatibility feature. KEY N I VAR Short description COMMON GINIT PCUT 6 M parametrisation control IPARAM parametrisation flag /GCPARM/ 0 PCUTGA threshold for gammas /GCPARM/ 0 PCUTEL threshold for e − e + /GCPARM/ 0 PCUTNE threshold for neutral hadrons /GCPARM/ 0 PCUTHA threshold for charged hadrons /GCPARM/ 0 PCUTMU threshold for muons /GCPARM/ 0 PNUM 2 I parametrisation stack size MPSTAK size of the parametrisation stack /GCPARM/ 1000 NPGENE number of pseudo-particles generated /GCPARM/ 20 SCAN 8 M scan geometry control SCANFL scan processing flag (LOGICAL) /GCSCAN/ .FALSE. NPHI number of divisions in φ /GCSCAN/ 90 PHIMIN minimum value of φ /GCSCAN/ 0 PHIMAX maximum value of φ /GCSCAN/ 360 NTETA number of divisions in θ /GCSCAN/ 90 TETMIN minimum value of θ /GCSCAN/ 0 TETMAX maximum value of θ /GCSCAN/ 180 MODTET type of θ division /GCSCAN/ 1 SCAL 32 M ISLIST list of volumes to be scanned /GCSCAN/ Blank BASE040 – 4 23
Page 1 and 2: CERN Program Library Long Writeup W
Page 3 and 4: Chapter 1: Catalog of Geant section
Page 5 and 6: IOPA500 KINE001 KINE100 KINE199 KIN
Page 7 and 8: Geant 3.21 GEANT User’s Guide AAA
Page 9 and 10: The routines made available for GEA
Page 11 and 12: outines, then you can type the foll
Page 13 and 14: AAAA Bibliography [1] H.J. Klein an
Page 15 and 16: 2 Event simulation framework The fr
Page 17 and 18: • after each tracking step along
Page 19 and 20: GUDIGI GUOUT GTRIGC UGLAST GLAST GU
Page 21 and 22: Particles JPART Materials JMATE/JTM
Page 23: 3 Summary of GEANT data records 3.1
Page 27 and 28: Geant 3.16 GEANT User’s Guide BAS
Page 31 and 32: SUBROUTINE UGEOM + (’TGT ’,2,
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Page 45 and 46: VALUE = GARNDM (DUMMY) DUMMY (REAL)
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Page 57 and 58: 1 Energy binning IDECAD Bin number
Page 65 and 66: Particle No. Mass(GeV) Charge Life
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Geant 3.21 GEANT User’s Guide DRA
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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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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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6 GEANT/CREATE It creates volumes o
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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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DENS density of current material in
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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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PATCHY, 278 PCUTS, 399 PDIGI, 389 P
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