Geant4 Simulations for the Radon Electric Dipole Moment Search at

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Current upper limits on the EDMs of the neutron, electron and 199 Hg have already significantly reduced the allowed parameter spaces of models beyond the Standard Model of particle physics. A measurement of a permanent non-zero atomic EDM in radon would represent the discovery of new physics beyond the Standard Model of particle physics and could explain the observed asymmetry between matter and antimatter in the universe. 82
Appendix A Figure A.1: Simulated decay scheme [1 of 5] for the β − decay of 223 Rn to 223 Fr. The decay scheme was constructed from experimental data [43, 57]; incomplete information was replaced with conservative estimates. The level diagrams shown here were used for simulation purposes, they do not represent the current knowledge of the excited states in 223 Fr. For unlabelled multipolarities, the lowest order L was assumed. Figures adapted from reference [57]. 83
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GEANT4 SIMULATIONS FOR THE RADON EL
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Dictated but not read. i
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Contents Acknowledgements ii 1 Intr
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4 Results 60 4.1 γ-Ray Spectroscop
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List of Figures 1.1 An illustration
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Chapter 1 Introduction Thesearchfor
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ˆP ր ˆT ց Figure 1.1: An illust
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1.1.1 CP Violation Following the ob
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Figure 1.2: Experimental upper limi
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Figure 1.3: Illustration of the dou
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Chapter 2 RnEDM Experiment at TRIUM
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Figure 2.1: A schematic of the ISAC
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a measurement cell. The RnEDM exper
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NMR techniques, and supplementing s
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Occupied Orbitals Fine Structure Hy
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energy levels are separated accordi
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(σ + ) along the axis of the B fie
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atom and absorbed by another. Radia
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anaverageof120kHzphotopeakcountrate
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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 and 78: 4.2.1 Multipolarity Effects The sha
Page 79 and 80: Figure 4.7: The time projections an
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: simulated given sufficient parent a
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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