CERN Program Library Long Writeup W5013 - CERNLIB ...

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GSTPAR any of these parameters for a given tracking medium. For example to change CUTGAM to 0.0001 for tracking medium ITMED: CALL GSTPAR(ITMED,’CUTGAM’,0.0001) For more information on default values for IDRAY and ILOSS see [BASE040]. The default tracking medium parameters are stored in the bank whose pointer is stored in the JTMED variable. In this case in the above table JTMN = JTMED. In the case one or more of the above parameters has been modified for a specific tracking medium, the whole parameter set is stored in the next bank of the given trackin medium. In this case JTMN = LQ(JTM) in the above table, where JTM is the pointer to the bank of the tracking medium, i.e. JTM = LQ(JTMED-ITMED). Note At tracking time the parameters above are copied from JTMN into the common blocks /GCCUTS/ and /GCPHYS/. GSTPAR must be called before GPHYSI. CONS210 – 2 60
Geant 3.15 GEANT User’s Guide CONS300 Origin : R.Brun, G.N.Patrick Submitted: 01.06.83 Revision : Revised: 13.05.92 Documentation : Particle definition CALL GPART Stores the standard particle constants in the data structure JPART and, through the routine GSDK, their decay modes [CONS310]. Particle No. Mass(GeV) Charge Life time(sec) Gamma 1 0.0 0 stable (10 15 ) Positron 2 0.00051099906 1 stable Electron 3 0.00051099906 -1 stable Neutrino 4 0.0 0 stable Muon + 5 0.105658389 1 2.19703 ×10 −6 Muon - 6 0.105658389 -1 2.19703 ×10 −6 Pion 0 7 0.1349764 0 8.4 ×10 −17 Pion + 8 0.1395700 1 2.603 ×10 −8 Pion - 9 0.1395700 -1 2.603 ×10 −8 Kaon 0 long 10 0.497672 0 5.17 ×10 −8 Kaon + 11 0.493677 1 1.237 ×10 −8 Kaon - 12 0.493677 -1 1.237 ×10 −8 Neutron 13 0.93956563 0 887.0 Proton 14 0.93827231 1 stable Antiproton 15 0.93827231 -1 stable Kaon 0 short 16 0.497672 0 8.926 ×10 −11 Eta 17 0.54745 0 5.485 ×10 −19 Lambda 18 1.115684 0 2.632 ×10 −10 Sigma + 19 1.18937 1 7.99 ×10 −11 Sigma 0 20 1.19255 0 7.40 ×10 −20 Sigma - 21 1.197436 -1 1.479 ×10 −10 Xi 0 22 1.3149 0 2.90 ×10 −10 Xi - 23 1.32132 -1 1.639 ×10 −10 Omega 24 1.67245 -1 8.22 ×10 −11 Antineutron 25 0.93956563 0 887.0 Antilambda 26 1.115684 0 2.632 ×10 −10 Antisigma - 27 1.18937 -1 7.99 ×10 −11 Antisigma 0 28 1.19255 0 7.40 ×10 −20 Antisigma + 29 1.197436 1 1.479 ×10 −10 Antixi 0 30 1.3149 0 2.90 ×10 −10 Antixi + 31 1.32132 1 1.639 ×10 −10 61 CONS300 – 1
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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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Page 23 and 24: 3 Summary of GEANT data records 3.1
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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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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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