CERN Program Library Long Writeup W5013 - CERNLIB ...

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C --------------------------------------------------------- COMMON /GCPARA/ + EPSIX0 (LSTACK) , + IDRPHI (LSTACK ) , IDRTET (LSTACK ), + IDROUT (LSTACK ) , JPLOST (LSTACK ), + IPHTMP (LSTACK ) , + BITPHI (LSTACK ) , BITTET (LSTACK ), + BITPOT (LSTACK ) , JJLOST, JJFILL, + JENTRY, JEMPTY, + EPSMAX, + JJTEMP, JJWORK , JJSTK1, + J1TEMP, J1STK1, + IFOUNP, IFOUNT , IFNPOT, + SYMPHI, + SYMTEU, SYMTED C LSTACK dimension of the energy ray stack; JJLOST number of energy rays lost in each tracking step; EPSMAX maximum number of radiation lengths that an energy ray can travel; JJTEMP temporary pointer; JJWORK actual size of the energy ray stack; JJSTK1 J1TEMP J1STK1 IFOUNP Number of energy rays that change cell in φ direction; IFOUNT Number of energy rays that change cell in θ direction; IFNPOT Number of energy rays that change cell either in φ or in θ; SYMPHI .TRUE. if PHIMAX-PHIMIN = 360 ◦ ; SYMTEU .TRUE. if TETMIN = 0 ◦ ; SYMTED .TRUE. if TETMAX = 180 ◦ . +SEQ /GCPARM/ Control of parameterisation C COMMON/GCPARM/IPARAM,PCUTGA,PCUTEL,PCUTNE,PCUTHA,PCUTMU + ,NSPARA,MPSTAK,NPGENE REAL PACUTS(5) EQUIVALENCE (PACUTS(1),PCUTGA) IPARAM PCUTGA PCUTEL Parameterisation flag (0, PCUT); 0 = parameterisation is not in effect, normal tracking will be used; 1 = parameterisation is in effect; parameterisation threshold for photons (0., PCUT) parameterisation threshold for electrons and positrons (0., PCUT); 432 ZZZZ010 – 15
PCUTNE parameterisation threshold for neutral hadrons (0., PCUT); PCUTHA parameterisation threshold for charged hadrons (0., PCUT); PCUTMU parameterisation threshold for muons (0., PCUT); NSPARA not used; MPSTAK optimum size of the Energy ray stack (2000); NPGENE number of Energy rays generated per primary particle (20); +SEQ /GCPHYS/ Control of physics processes * COMMON/GCPHYS/IPAIR,SPAIR,SLPAIR,ZINTPA,STEPPA + ,ICOMP,SCOMP,SLCOMP,ZINTCO,STEPCO + ,IPHOT,SPHOT,SLPHOT,ZINTPH,STEPPH + ,IPFIS,SPFIS,SLPFIS,ZINTPF,STEPPF + ,IDRAY,SDRAY,SLDRAY,ZINTDR,STEPDR + ,IANNI,SANNI,SLANNI,ZINTAN,STEPAN + ,IBREM,SBREM,SLBREM,ZINTBR,STEPBR + ,IHADR,SHADR,SLHADR,ZINTHA,STEPHA + ,IMUNU,SMUNU,SLMUNU,ZINTMU,STEPMU + ,IDCAY,SDCAY,SLIFE ,SUMLIF,DPHYS1 + ,ILOSS,SLOSS,SOLOSS,STLOSS,DPHYS2 + ,IMULS,SMULS,SOMULS,STMULS,DPHYS3 + ,IRAYL,SRAYL,SLRAYL,ZINTRA,STEPRA COMMON/GCPHLT/ILABS,SLABS,SLLABS,ZINTLA,STEPLA + ,ISYNC + ,ISTRA IPAIR SPAIR SLPAIR ZINTPA STEPPA ICOMP SCOMP SLCOMP ZINTCO STEPCO IPHOT SPHOT SLPHOT ZINTPH STEPPH IPFIS SPFIS control variable for the e − /e + pair production process; distance to the next pair production in the current material; total distance travelled by the γ when pair production occurs; number of interaction lengths to the next pair production; interaction length for pair production for the current material and energy; control variable for the Compton scattering process; distance to the next Compton scattering in the current material; total distance travelled by the γ when Compton scattering occurs; number of interaction lengths to the next Compton scattering; interaction length for Compton scattering for the current material and energy; control variable for the photoelectric effect process; distance to the next photoelectric effect in the current material; total distance travelled by the γ when photoelectric effect occurs; number of interaction lengths to the next photoelectric effect; interaction length for photoelectric effect for the current material and energy; control variable for the γ-induced nuclear fission process; distance to the next γ-induced nuclear fission in the current material; ZZZZ010 – 16 433
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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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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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Page 449 and 450: STEP PLIN PLOG BE2 PLASM TRNSMA BOS
Page 451 and 452: C ESHELL - Shells potentials in eV
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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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