Geant4 Simulations for the Radon Electric Dipole Moment Search at

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Figure 4.6: Three-dimensional γ-ray angular distributions for various E2 and M1 transitions generated by Geant4. The angular momentum vector ( ⃗ J) is aligned in the “upward” direction. 68
Figure 4.7: The time projections and fits of various E2 and M1 transitions. The EDM cell, oven, magnet and µMetal was not included in the simulation. The initial polarization of the radon nuclei was 100% and the spin-decoherence time (T 2 ) was simulated to be 10 seconds. Over the short time period of the spin-decoherence time, the average count rate detected by the two anti-parallel GRIFFIN detectors increase or decrease depending on the shape of the γ-ray angular distribution (see Table 4.6). 69
Page 1 and 2:
GEANT4 SIMULATIONS FOR THE RADON EL
Page 3 and 4:
Dictated but not read. i
Page 5 and 6:
Contents Acknowledgements ii 1 Intr
Page 7 and 8:
4 Results 60 4.1 γ-Ray Spectroscop
Page 9 and 10:
List of Figures 1.1 An illustration
Page 11 and 12:
Chapter 1 Introduction Thesearchfor
Page 13 and 14:
ˆP ր ˆT ց Figure 1.1: An illust
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1.1.1 CP Violation Following the ob
Page 17 and 18:
Figure 1.2: Experimental upper limi
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Figure 1.3: Illustration of the dou
Page 21 and 22:
Chapter 2 RnEDM Experiment at TRIUM
Page 23 and 24:
Figure 2.1: A schematic of the ISAC
Page 25 and 26:
a measurement cell. The RnEDM exper
Page 27 and 28: NMR techniques, and supplementing s
Page 29 and 30: Occupied Orbitals Fine Structure Hy
Page 31 and 32: energy levels are separated accordi
Page 33 and 34: (σ + ) along the axis of the B fie
Page 35 and 36: atom and absorbed by another. Radia
Page 37 and 38: anaverageof120kHzphotopeakcountrate
Page 39 and 40: Figure 2.7: One GRIFFIN/TIGRESS HPG
Page 41 and 42: (a) One GRIFFIN detector in the HPG
Page 43 and 44: 3.1 Introduction 3.1.1 Previous Wor
Page 45 and 46: energies, branching ratios, emissio
Page 47 and 48: used around the measurement cell in
Page 49 and 50: 3.2.5 Simulated Data Thecodewaswrit
Page 51 and 52: lower its total energy. Internal co
Page 53 and 54: 10000 1000 2 χ red = 1.21 t 1/2 =
Page 55 and 56: as [47] I(E) = G 2π 3 7 c 6 | M i
Page 57 and 58: was to use an average X-ray energy
Page 59 and 60: 1.5 1.4 1.3 1.2 P = 100% P = 75% P
Page 61 and 62: where (a b c d | e f) are Clebsch-G
Page 63 and 64: 2 2 1.5 J i = 5/2, J f = 5/2 J i =
Page 65 and 66: of radius 10 cm, allowing the GRIFF
Page 67 and 68: (a) Screenshot showing the detector
Page 69 and 70: 3.6.2 Output Data and Sort Codes Th
Page 71 and 72: (user-defined option), secondly toa
Page 73 and 74: 30 Absolute Efficiency (%) 25 20 15
Page 75 and 76: 11 10 9 8 7 6 5 4 3 2 1 0 1e+06 Cou
Page 77: 4.2.1 Multipolarity Effects The sha
Page 81 and 82: distribution, this average intensit
Page 83 and 84: Table 4.1: The fit results for the
Page 85 and 86: 12 10 linear regression: y = 0.2243
Page 87 and 88: 15 Linear Counts (e+04) 10 5 0 1e+0
Page 89 and 90: Chapter 5 Conclusions and Future Di
Page 91 and 92: simulated given sufficient parent a
Page 93 and 94: Appendix A Figure A.1: Simulated de
Page 95 and 96: Figure A.3: Simulated decay scheme
Page 97 and 98: Figure A.5: Simulated decay scheme
Page 99 and 100: 6 out = (1/(1+∆ˆ2))*(f(k,jf,L1,L
Page 101 and 102: 44 return; 45 end 46 if abs(m) > j
Page 103 and 104: 1 % LegendreP.m 2 function P = Lege
Page 105 and 106: 39 xx(i+1,j+1) = r(i+1,1)*sin((i*re
Page 107 and 108: 11 %warning('m1 + m2 + m3 must equa
Page 109 and 110: 23 end 24 % ////////// 25 j1 = J1;
Page 111 and 112: 33 if L1 == L2 && ∆ == 0 34 title
Page 113 and 114: Bibliography [1] J. M. Pendlebury a
Page 115 and 116: [25] P. G. Bricault, M. Dombsky, Je
Page 117: [47] RichardA.Dunlap. An introducti
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