CERN Program Library Long Writeup W5013 - CERNLIB ...

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Geant 3.16 GEANT User’s Guide DRAW130 Origin : R.Brun, P.Zanarini Submitted: 15.05.84 Revision : Revised: 11.12.92 Documentation : P.Zanarini 1 Visualisation of particle trajectories Draw Particle Trajectories The tracks generated by the tracking package, and optionally stored in the data structure JXYZ, can be displayed by the routine GDXYZ (corresponding to the interactive command DXYZ). The names of the particles and or the track numbers can be added by the routine GDPART (corresponding to the interactive command DPART). A special routine has been provided to visualise the tracks during the transport process (GDCXYZ), that could be called for instance by GUSTEP. That routine shows the tracks while they are transported by the tracking package of GEANT, providing a useful interactive debugging tool. CALL GDXYZ (ITRA) Draws track number ITRA for which space points have been stored in bank JXYZ via calls to the routine GSXYZ. The view parameters are taken from /GCDRAW/. ITRA (INTEGER) track number (if 0 all tracks are taken) The colour and line style corresponds to the track type : (blue) dotted line for gammas ................. (red) solid line for charged particles (except muons) (black) blank/dotted line for neutral hadrons or neutrinos . . . . . . (green) dashed line for muons - - - - - - (yellow) dotted line for Čerenkov photons ................. CALL GDPART (ITRA,ISEL,SIZE) Draws the particle names and/or the track numbers of track ITRA, supposing that its space points had been stored in the bank JXYZ via the routine GSXYZ. At present only primary tracks are displayed by GDPART and their name or number is written at the end the track trajectory. The view parameters are taken from /GCDRAW/. ITRA ISEL SIZE (INTEGER) Track number (if 0 all tracks are taken) (INTEGER) ISEL=x1 draws the track number, ISEL=1x draws the particle name, ISEL=11 draws both. (REAL) Character size in cm. CALL GDCXYZ If GDCXYZ is called at tracking time (for instance by GUSTEP), it draws the tracks while tracking is performed, at the same time as they are generated by the tracking package of GEANT. This is a very useful interactive debugging tool. The line style is the same as for GDXYZ. The view parameters are taken from /GCDRAW/. Here we give an example of the use of GDPART: 82 DRAW130 – 1
CALL GSATT(’HB’,’FILL’,3) CALL GSATT(’HE’,’FILL’,1) - - - - - - - - - - CALL GDRAWC(’OPAL’,2,5.,10.,10.,0.013,0.013) CALL GDXYZ(0) CALL GDPART(0,11,0.25) DRAW130 – 2 83
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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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Geant 3.21 GEANT User’s Guide BAS
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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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Page 73 and 74: The main drawing routines are: GDRA
Page 77 and 78: Another feature which is available
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Page 83: CALL GDRAWC(’OPAL’,2,0.,10.,10.
Page 87 and 88: CALL GDRAW(’CAVE’,40.,40.,0.,10
Page 93 and 94: Figure 16: Example of use of GDSPEC
Page 95 and 96: CALL GDOPEN(3) CALL GDRAWC(’ALEF
Page 97 and 98: 6 NKVIEW IVIEW JDRAW NKVIEW JV = IB
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Page 103 and 104: DRAW Bibliography [1] R.Bock et al.
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Page 107 and 108: The user can position a volume thro
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Page 111 and 112: 2 Divisions along arbitrary axis As
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Page 117 and 118: ECAL BOX specifications 18/11/93 EC
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Geant 3.16 GEANT User’s Guide GEO
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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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