Etude et impact du bruit de fond corrÃ©lÃ© pour la mesure de l'angle ...

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180 LIST OF TABLES tel-00821629, version 1 - 11 May 2013 5.5 Expected number of ¯⌫ e +IV /n background and rejection e ciencies (✏ TS ) with a cut on the di↵erence of the pulse start time between ID and IV, for di↵erent IVT multiplicity condition. The background rejection e ciency is independent from the IVT multiplicity condition, suggesting the systematic related to the background rejection is negligible. . . . . . . . . 130 5.6 Summary of the cuts defining the IVT samples together with the number of tagged events at each stage. . . . . . . . . . . . 131 5.7 Summary of the number of IVT events, background events and the total number of events upon background subtraction. 134 5.8 Scaling factors to obtain the untagged amount of FN events and total detector live time for rate computation. . . . . . . . 134 5.9 Break down of statistical and systematic uncertainties. . . . . 136 5.10 Summary of FN spectral parameter and FN background rate for the flat and the sloped linear model. . . . . . . . . . . . . 136 5.11 Number of IVT events, background events, IVT e ciency (✏ IV T ) and FN rate for di↵erent IVT multiplicity condition. . 137 5.12 Scaling factors to obtain the total amount of SM events and total detector live time for rate computation. . . . . . . . . . 143 5.13 Break down of statistical and systematic uncertainties. . . . . 145 5.14 Summary of SM spectra parameters and SM background rate for the flat and the sloped linear model. . . . . . . . . . . . . 145 5.15 Summary of SM spectral parameters and SM background rate for the flat and the sloped linear model. . . . . . . . . . . . . 149 5.16 High and low delayed energy selection cut. . . . . . . . . . . . 150 5.17 Summary of the correlated background rate obtained from three di↵erent and independent analysis. . . . . . . . . . . . . 153 5.18 Summary of the background rate upon OVV. . . . . . . . . . 154 5.19 Final correlated background shape and shape uncertainty parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Bibliography [1] [2] tel-00821629, version 1 - 11 May 2013 [3] CAEN. http://www.caen.it/. [4] Geant4. http://geant4.cern.ch/. [5] Hamamatsu Photonics. http://www.hamamatsu.com/. [6] iRODS. https://www.irods.org/. [7] ROOT. http://root.cern.ch/. [8] Light yield and energy transfer in a new gd-loaded liquid scintillator. Chemical Physics Letters, 516:257 – 262, 2011. [9] ”Proceedings of the XXXV International Conference on Neutrino Physics and Astrophysics”, 2012. to be published. [10] Precision electroweak measurements on the Z resonance. Phys.Rept., 427:257–454, 2006. [11] G. Aad et al. Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC. 2012. [12] K.N. Abazajian, , et al. Light Sterile Neutrinos: A White Paper. 2012. [13] Abdurashitov et al. Measurement of the solar neutrino capture rate with gallium metal. Phys. Rev. C, 60(5):055801, November 1999. [14] J.N. Abdurashitov et al. Measurement of the response of a Ga solar neutrino experiment to neutrinos from an Ar-37 source. Phys.Rev., C73:045805, 2006. [15] K. Abe et al. Indication of electron neutrino appearance from an accelerator-produced o↵-axis muon neutrino beam. Phys. Rev. Lett., 107:041801, Jul 2011. 181
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UNIVERSITÉ DENANTES FACULTÉ DES S
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tel-00821629, version 1 - 11 May 20
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Abstract tel-00821629, version 1 -
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Acknowledgments Since so many peopl
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Contents 1 Introduction 13 tel-0082
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CONTENTS 11 tel-00821629, version 1
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Chapter 1 Introduction tel-00821629
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15 tel-00821629, version 1 - 11 May
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Chapter 2 Neutrino physics tel-0082
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2.2 Neutrino history in brief 19 ma
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2.3 Neutrino oscillation, the theor
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2.4 Measuring neutrino oscillation
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3-flavour oscillations The dominant
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After the Sun, the other main natur
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2.5 The problem with the neutrino m
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2.6 Summary and open questions 37 s
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In the next future, reactor experim
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Chapter 3 The Double Chooz experime
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3.1 The Double Chooz detector 43 to
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3.1 The Double Chooz detector 45 te
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3.1 The Double Chooz detector 47 it
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3.1 The Double Chooz detector 49 te
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3.2 The detector read-out 51 40 m o
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3.3 The online system 53 IV trigger
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3.3 The online system 55 tions as s
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3.3 The online system 57 tel-008216
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3.4 The calibration system 59 tel-0
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loosing their kinetic energy 3 and
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3.5 Reactor neutrino flux simulatio
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3.8 Data reconstruction 69 A dedica
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Regarding the pulse information, th
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3.8 Data reconstruction 73 tel-0082
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3.8 Data reconstruction 75 Gain (ch
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3.9 Conclusions 77 tel-00821629, ve
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Chapter 4 Measurement of ✓ 13 wit
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4.1 Data sample 81 create a signal
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4.2 ¯⌫ e signal selection 83 Liv
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4.2 ¯⌫ e signal selection 85 Pro
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4.2 ¯⌫ e signal selection 87 Neu
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4.3 Backgrounds 89 energy spectrum
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4.3 Backgrounds 91 tel-00821629, ve
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4.4 Selection e ciencies and system
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4.4 Selection ! e ciencies and syst
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4.5 Data analysis summary 99 4.4.3
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4.6 Final fit and measurement of
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4.6 Final fit and measurement of
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4.7 Summary and Conclusions 105 tel
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Chapter 5 Correlated background tel
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5.1 Measuring correlated background
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5.2 High energy analysis 111 in a l
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5.2 High energy analysis 113 tel-00
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5.3 OV Tag analysis 115 The t cut v
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5.4 Fast Neutrons analysis 117 bigg
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5.4 Fast Neutrons analysis 119 5.4.
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5.4 Fast Neutrons analysis 121 tel-
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5.4 Fast Neutrons analysis 123 esti
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5.4 Fast Neutrons analysis 125 Corr
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5.4 Fast Neutrons analysis 127 tel-
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Page 165 and 166: 165 from this study and from [64] f
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Page 187: BIBLIOGRAPHY 187 [92] A. Stueken et
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