ZGOUBI USERS' GUIDE - HEP

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60 4 DESCRIPTION OF THE AVAILABLE PROCEDURES44€. 3 ¯‡°±4ª w´> w53´4´4SPNTRK: Spin trackingThe keyword SPNTRK permits switching on the spin tracking option. It also permits the attribution of an initial spincomponent to each one of the IMAX particles of the beam, following a distribution that depends on the option index KSO.It must be preceded by PARTICUL for the definition of mass and gyromagnetic factor.KSO = 1 (respectively 2, 3): the IMAX particles of the beam are given a longitudinal (1,0,0) spin component (respectivelytransverse horizontal (0,1,0), vertical (0,0,1)).KSO = 4: initial spin components are entered explicitly for each one of the IMAX particles of the beam.¥KSO = 5: random generation of IMAX initial spin conditions as described in Fig. 8. Given a mean polarization axis (S)defined by its angles and , and a cone of angle A with respect to this axis, the IMAX spins are sorted randomly in aGaussian distributionÈ @@ P>¬« P©and within a cylindrical uniform distribution around the (S) axis. Examples of simple distributions available by this meanare given in Fig. 9.δAZSAP oYT oXFigure 8: Spin distribution as obtained with option KSO = 5.The spins are distributed within an annular strip P ´ (standard deviation) at an angle ´ with respectto the axis of mean polarization (S) defined byand ¥.
4.3 Declaration of options 61P4©@4o©@©@4ZSδA(A)ZS=0(B)YYXAXFigure 9: Examples of the use of KSO =5.A: Gaussian distribution around a mean vertical polarization axis, obtained witharbitrary, ¥´ C\, and ´ ‡ †\.P=´ †\.B: Isotropic distribution in the median plane, obtained with ¥, ´ , and
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CEA DSM DAPNIA-02-395 (2002)ZGOUBI
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Table of contentsPART A Description
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PART ADescription of software conte
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8¤¥ PARTICUL Particle characteris
Page 10 and 11: 10ELECTROMAGNETIC ELEMENTSDecapoleD
Page 13 and 14: !!%" && 131 NUMERICAL CALCULATION
Page 15 and 16: 1.2 Integration of the Lorentz Equa
Page 17 and 18: 1.2 Integration of the Lorentz Equa
Page 19 and 20: 4Ž ^ ˜ ¡§ ^"- ^ ˜ ¡ ^¡wTGT
Page 21 and 22: in fourth order. The coefficients
Page 23 and 24: 4 ´ ´""4§> ´4 >4>1.4 Calculati
Page 25 and 26: A cylindrically symmetric field can
Page 27: Introducing also ¡The derivatives
Page 30 and 31: 30 3 SYNCHROTRON RADIATION¾ÍôVT
Page 32 and 33: 32 3 SYNCHROTRON RADIATIONÉ Éwher
Page 35 and 36: 354 DESCRIPTION OF THE AVAILABLE PR
Page 37 and 38: 4.2 Definition of an Object 37where
Page 39 and 40: 4.2 Definition of an Object 39\Pqî
Page 41 and 42: 4.2 Definition of an Object 41¹q
Page 43 and 44: 4.3 Declaration of options 43\P4.3
Page 45 and 46: 4.3 Declaration of options 45END or
Page 47 and 48: 4.3 Declaration of options 47· £
Page 49 and 50: 4.3 Declaration of options 49{ww{{q
Page 51 and 52: 4.3 Declaration of options 51GASCAT
Page 53 and 54: 4.3 Declaration of options 53·{N$
Page 55 and 56: 4.3 Declaration of options 55PARTIC
Page 57 and 58: 4.3 Declaration of options 57RESET:
Page 59: 4.3 Declaration of options 59if qî
Page 63 and 64: 4.3 Declaration of options 63:£¨
Page 65 and 66: u2 >04.4 Optical Elements and relat
Page 67 and 68: 4.4 Optical Elements and related nu
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4.4 Optical Elements and related nu
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4.5 Output Procedures 123¨ ¢ < ¤
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4.5 Output Procedures 1254·444"4HI
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4.5 Output Procedures 127PICKUPS: B
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4.5 Output Procedures 129wSPNPRNL,
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4.5 Output Procedures 131TWISS: Cal
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4.6 Complementary Features 133U@©@
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4.6 Complementary Features 135¢ww@
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Keywords and input data formatting
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146 Keywords and input data formatt
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Examples 231oÑwü¦INTRODUCTIONSev
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2331 MONTE CARLO IMAGES IN SPES 2Fi
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235********************************
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237zgoubi data file.800 MeV/c KAON
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2393 IN-FLIGHT DECAY IN SPES 3Figur
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241Excerpt of zgoubi output : histo
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243Excerpt of zgoubi output : first
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245zgoubi data file (begining and e
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247zgoubi data file.MICROBEAM LINE,
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2499 HISTO HISTOGRAHISTOGRAMME DE L
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253INTRODUCTIONThe basic zgoubi FOR
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REFERENCES 255References[1] F. Méo
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Indexacceleration, 56, 58, 74, 155,
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