CERN Program Library Long Writeup W5013 - CERNLIB ...

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Geant 3.16 GEANT User’s Guide IOPA300 Origin : R. Brun Submitted: 01.06.83 Revision : Revised: 17.12.93 Documentation : Data structure I/O with sequential files CALL GFIN (LUN,CHOBJ,NKEYS,IDVERS*,CHOPT,IER*) LUN CHOBJ (INTEGER) logical unit; (CHARACTER*4) array with the data structures to be read: MATE TMED VOLU ROTM SETS PART SCAN DRAW INIT KINE DIGI HEAD HITS RUNG STAK STAT VERT JXYZ TRIG material; tracking medium; volumes; rotation matrix; detector set; particle; scan geometry; drawing; all of the above; this keyword will trigger the read of KINE and VERT unless the flag S is set; digitisation; event header; hits; run; particle temporary stack; volume statistic; vertex; track points; this keyword will trigger the read of DIGI, HEAD, HITS, KINE, VERT and JXYZ unless the S flag is set; NKEYS IDVERS CHOPT (INTEGER) number of keys in array CHOBJ; (INTEGER) version of the data structure to be read in, if 0 it will read any version, on output it contains the version of the data structure read in; (CHARACTER*(*)) option: I K T S Q among the data structures specified in CHOBJ read only the initialisation ones; among the data structures specified in CHOBJ read only KINE and TRIG, if present; among the data structures specified in CHOBJ read only DIGI, HEAD, HITS, KINE, VERT and JXYZ, if present; interpret KINE to mean only the KINE data structure and ignore TRIG and INIT; quiet option, no message is printed; IER (INTEGER) error flag:
0 if only IER] structures read in out of the NKEYS requested; Routine to read GEANT object(s) from a ZEBRA/FZ file. The data structures from disk are read in memory. The FZ data base must have been been created via GOPEN/GFOUT. Example: CALL GOPEN(1,’I’,1024,IER) IDVOLU = 0 IDMATE = 0 IDTMED = 0 IDROTM = 0 IDPART = 0 IDSCAN = 0 IDSETS = 0 CALL GFIN (1,’VOLU’,1,IDVOLU,’ ’,IER) CALL GFIN (1,’MATE’,1,IDMATE,’ ’,IER) CALL GFIN (1,’TMED’,1,IDTMED,’ ’,IER) CALL GFIN (1,’ROTM’,1,IDROTM,’ ’,IER) CALL GFIN (1,’PART’,1,IDPART,’ ’,IER) CALL GFIN (1,’SCAN’,1,IDSCAN,’ ’,IER) CALL GFIN (1,’SETS’,1,IDSETS,’ ’,IER) CALL GFOUT (LUN,CHOBJ,NKEYS,IDVERS,CHOPT,IER*) The arguments have the same meaning than for GFIN with the following differences: IDVERS (INTEGER) version identifier of the data structures to be written out; Routine to write GEANT object(s) into a ZEBRA/FZ file. The data structures from memory are written on the file. The FZ data base must have been been created via GOPEN/GFOUT. Example: CALL GOPEN(1,’O’,1024,IER) CALL GFOUT (1,’VOLU’,1,IDVOLU,’ ’,IER) CALL GFOUT (1,’MATE’,1,IDMATE,’ ’,IER) CALL GFOUT (1,’TMED’,1,IDTMED,’ ’,IER) CALL GFOUT (1,’ROTM’,1,IDROTM,’ ’,IER) CALL GFOUT (1,’PART’,1,IDPART,’ ’,IER) CALL GFOUT (1,’SCAN’,1,IDSCAN,’ ’,IER) CALL GFOUT (1,’SETS’,1,IDSETS,’ ’,IER) Note: the routines GGET and GSAVE are obsolete and should not be used. IOPA300 – 2 179
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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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Geant 3.16 GEANT User’s Guide GEO
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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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Page 143 and 144: Dynamic ordering The list of neighb
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Page 155 and 156: GEOM Bibliography [1] French Standa
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Page 167 and 168: ITRA NUMBV HITS NHITS (INTEGER) is
Page 177 and 178: HITS Bibliography 175 HITS510 - 3
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Page 191 and 192: NTRACK ITRA JKINE NTRACK JK 1 2 3 4
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Page 197 and 198: Below are listed the data record ke
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Page 223 and 224: where N Z(Z i ) A(A i ) ρ σ Avoga
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Geant 3.16 GEANT User’s Guide PHY
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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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