178 References [80] A. V. Lipatov and N. P. Zotov, “Prompt Photon Photoproduction at HERA in the k(T)- Factorization Approach,” Phys. Rev., vol. D72, p. 054002, 2005, hepph/0506044. [81] M. A. Kimber, A. D. Martin, and M. G. Ryskin, “Unintegrated Parton Distributions,” Phys. Rev., vol. D63, p. 114027, 2001, hep-ph/0<strong>10</strong>1348. [82] M. Gluck, E. Reya, and A. Vogt, “Photonic Parton Distributions,” Phys. Rev., vol. D46, pp. 1973–1979, 1992. [83] M. Gluck, E. Reya, and A. Vogt, “Dynamical Parton Distributions of the Proton and Small x Physics,” Z. Phys., vol. C67, pp. 433–448, 1995. [84] P. Schmueser, “The electron proton colliding beam facility HERA,” Nucl. Instrum. Meth., vol. A235, pp. 201–208, 1985. [85] I. Abt et al., “The <strong>H1</strong> Detector at HERA,” Nucl. Instrum. Meth., vol. A386, pp. 3<strong>10</strong>– 347, 1997. [86] “The ZEUS detector: Status report 1993,” ZEUS-STATUS-REPT-1993. [87] K. Ackerstaff et al., “HERMES spectrometer,” Nucl. Instrum. Meth., vol. A417, pp. 230–265, 1998, hep-ex/9806008. [88] P. Krizan, R. Mankel, D. Ressing, S. Shuvalov, and M. Spahn, “HERA-B, an experiment to study CP violation at the HERA proton ring using an internal target,” Nucl. Instrum. Meth., vol. A351, pp. 111–131, 1994. [89] J. M. J. K. Hirata, “The luminosity upgrade of hera,” ICFA Beam Dynamics Newsletter, No. 24, 2001. [90] J. Burger et al., “The Central jet chamber of the <strong>H1</strong> experiment,” Nucl. Instrum. Meth., vol. A279, pp. 217–222, 1989. [91] J. Becker et al., “A vertex trigger based on cylindrical multiwire proportional chambers,” Nucl. Instrum. Meth., vol. A586, pp. 190–203, 2008, physics/070<strong>10</strong>02. [92] S. Egli et al., “Calibration of the outer z drift chamber of the HERA <strong>H1</strong> experiment,” DESY-ZEUTHEN-94-03, vol. A283, p. 1949. [93] S. Burke et al., “Track finding and fitting in the <strong>H1</strong> forward track detector,” Nucl. Instrum. Meth., vol. A373, pp. 227–260, 1996. [94] A. Makankin et al., “Backward proportinal chamber at the <strong>H1</strong> experiment,” http://www-h1.desy.de/h1det/tracker/bpc/BPCpage.htm. [95] W. Eick et al., “Development of the <strong>H1</strong> backward silicon strip detector,” Nucl. Instrum. Meth., vol. A386, pp. 81–86, 1997. [96] D. Pitzl et al., “The <strong>H1</strong> silicon vertex detector,” Nucl. Instrum. Meth., vol. A454, pp. 334–349, 2000, hep-ex/0002044.
References 179 [97] W. Braunschweig et al., “A forward silicon tracker for <strong>H1</strong>,” <strong>H1</strong> note, DESY-PRC- 99/01, 1999. [98] B. Andrieu et al., “The <strong>H1</strong> liquid argon calorimeter system,” Nucl. Instrum. Meth., vol. A336, pp. 460–498, 1993. [99] W. M. Yao et al., “Review of particle physics,” J. Phys., vol. G33, pp. 1–1232, 2006. [<strong>10</strong>0] G. Bathow, E. Freytag, M. Koebberling, K. Tesch, and R. Kajikawa, “Measurements of the longitudinal and lateral development of electromagnetic cascades in lead, copper and aluminum at 6 gev,” Nucl. Phys., vol. B20, pp. 592–602, 1970. [<strong>10</strong>1] W. R. Nelson, T. M. Jenkins, R. C. McCall, and J. K. Cobb, “Electron induced cascade showers in copper and lead 1 GeV,” Phys. Rev., vol. 149, pp. 201–208, 1966. [<strong>10</strong>2] B. Andrieu et al., “Beam Tests and Calibration of the <strong>H1</strong> Liquid Argon Calorimeter with Electrons,” Nucl. Instrum. Meth., vol. A350, pp. 57–72, 1994. [<strong>10</strong>3] B. Andrieu et al., “Results from Pion Calibration Runs for the <strong>H1</strong> Liquid Argon Calorimeter and Comparisons with Simulations,” Nucl. Instrum. Meth., vol. A336, pp. 499–509, 1993. [<strong>10</strong>4] R. D. Appuhn et al., “The <strong>H1</strong> lead/scintillating-fibre calorimeter,” Nucl. Instrum. Meth., vol. A386, pp. 397–408, 1997. [<strong>10</strong>5] V. Andreev et al., “Proposal for an upgrade of the <strong>H1</strong> luminosity system and its associated electronics for HERA 2000,” <strong>H1</strong> note, DESY-PRC-98/05, 1998. [<strong>10</strong>6] V. Karimäki, “Fast code to fit circular arcs,” Comput. Phys. Commun., vol. 69, pp. 133–141, 1992. [<strong>10</strong>7] J. Krosberg, A Measurement of Beauty Production in High Energy Positron-Proton Scattering. PhD thesis, Universität Zürich, 2002. [<strong>10</strong>8] P. Bruel, Recherche d’interactions au-dela du Modele Standard a HERA. PhD thesis, University Paris, 1998. [<strong>10</strong>9] S. D. Ellis and D. E. Soper, “Successive Combination Jet Algorithm for Hadron Collisions,” Phys. Rev., vol. D48, pp. 3160–3166, 1993, hep-ph/9305266. [1<strong>10</strong>] M. H. Seymour, “Jets in QCD,” AIP Conf. Proc., vol. 357, pp. 568–587, 1996, hep-ph/9506421. [111] M. zur Nedden, B. Reisert, T. Schörner, “<strong>H1</strong> Liquid Argon Trigger: Overview, Simulation and Performance,” <strong>H1</strong>-Internal Note, <strong>H1</strong>-04/01-592, DESY, 2001. [112] C. Veelken, “<strong>H1</strong>NonepBgFinder - Rejection of Cosmic Muon and Beam-Halo Events in the <strong>H1</strong>OO framework,” <strong>H1</strong>-Internal Note, vol. <strong>H1</strong>-09/02-603, DESY, 2002.
- Page 1:
PROMPT PHOTON PRODUCTION IN PHOTOPR
- Page 5:
Abstract This thesis presents measu
- Page 8 and 9:
viii
- Page 10 and 11:
x Contents 4 Event reconstruction a
- Page 12 and 13:
xii Contents
- Page 14 and 15:
xiv Contents the two photon decay c
- Page 16 and 17:
xvi Contents
- Page 18 and 19:
2 Theoretical framework Gene- Quark
- Page 20 and 21:
4 Theoretical framework charged W
- Page 22 and 23:
6 Theoretical framework Neutral and
- Page 24 and 25:
8 Theoretical framework α s 0.20 H
- Page 26 and 27:
10 Theoretical framework 1.2.4.1 DG
- Page 28 and 29:
12 Theoretical framework for the em
- Page 30 and 31:
14 Theoretical framework F 2 ⋅ 2
- Page 32 and 33:
- - 2) 9O9O9 4 - 70 6- - 7 - Q-
- Page 34 and 35:
18 Theoretical framework e e e a) b
- Page 36 and 37:
20 Theoretical framework than in th
- Page 38 and 39:
22 Theoretical framework ZEUS dσ/E
- Page 40 and 41:
24 Theoretical framework claim thou
- Page 42 and 43:
26 Theoretical framework Figure 1.2
- Page 44 and 45:
28 Theoretical framework Inclusive
- Page 46 and 47:
30 Theoretical predictions partons
- Page 48 and 49:
32 Theoretical predictions 2.1.2 MC
- Page 50 and 51:
34 Theoretical predictions rejectio
- Page 52 and 53:
MC set Generator Comments Simulatio
- Page 54 and 55:
38 Theoretical predictions contribu
- Page 56 and 57:
40 The H1 experiment at HERA Hall N
- Page 58 and 59:
42 The H1 experiment at HERA y θ z
- Page 60 and 61:
44 The H1 experiment at HERA resolu
- Page 62 and 63:
46 The H1 experiment at HERA the el
- Page 64 and 65:
48 The H1 experiment at HERA under
- Page 66 and 67:
50 The H1 experiment at HERA not be
- Page 68 and 69:
52 Event reconstruction and presele
- Page 70 and 71:
54 Event reconstruction and presele
- Page 72 and 73:
56 Event reconstruction and presele
- Page 74 and 75:
58 Event reconstruction and presele
- Page 76 and 77:
60 Event reconstruction and presele
- Page 78 and 79:
62 Event reconstruction and presele
- Page 80 and 81:
64 Prompt photon selection the rema
- Page 82 and 83:
66 Prompt photon selection ∆η <
- Page 84 and 85:
68 Prompt photon selection reconstr
- Page 86 and 87:
70 Prompt photon selection Events 5
- Page 88 and 89:
72 Prompt photon selection Selectio
- Page 90 and 91:
74 Photon signal extraction γ π0
- Page 92 and 93:
76 Photon signal extraction Events
- Page 94 and 95:
78 Photon signal extraction CB1 CB2
- Page 96 and 97:
80 Photon signal extraction Figure
- Page 98 and 99:
82 Photon signal extraction n∏ va
- Page 100 and 101:
84 Photon signal extraction 〈S〉
- Page 102 and 103:
86 Calibration and tuning • Backg
- Page 104 and 105:
88 Calibration and tuning χ 2 /NDF
- Page 106 and 107:
90 Calibration and tuning energy on
- Page 108 and 109:
92 Calibration and tuning D Ej 1.1
- Page 110 and 111:
94 Calibration and tuning
- Page 112 and 113:
96 Cross section building The corre
- Page 114 and 115:
98 Cross section building • L-cur
- Page 116 and 117:
100 Cross section building (Reconst
- Page 118 and 119:
102 Cross section building 8.2.1.1
- Page 120 and 121:
104 Cross section building Figure 8
- Page 122 and 123:
106 Cross section building section
- Page 124 and 125:
108 Cross section building the Pull
- Page 126 and 127:
110 Cross section building contribu
- Page 128 and 129:
112 Cross section building 8.3.2 Sy
- Page 130 and 131:
114 Cross section building 8.4 Cros
- Page 132 and 133:
116 Cross section building 8.4.3 Cr
- Page 134 and 135:
118 Cross section building The doub
- Page 136 and 137:
120 Cross section building 8.6.2 To
- Page 138 and 139:
122 Cross section building one outp
- Page 140 and 141:
124 Cross section building MPI f th
- Page 142 and 143:
f f f f f f f f f f f f 126 Cross s
- Page 144 and 145: 128 Cross section building PDF unce
- Page 146 and 147: 130 Results description of the shap
- Page 148 and 149: 132 Results 9.2 Prompt photon + jet
- Page 150 and 151: 134 Results [pb] LO dσ / dx γ 100
- Page 152 and 153: 136 Results 9.3 NLO corrections The
- Page 154 and 155: 138 Results [pb/GeV] dσ / dp 15 10
- Page 156 and 157: 140 Results transverse momentum imb
- Page 158 and 159: 142 Results [pb/GeV] γ dσ / E T 2
- Page 160 and 161: 144 Conclusions and outlook is cons
- Page 163 and 164: A Analysis Binning 147 A Analysis B
- Page 165 and 166: A Analysis Binning 149 Bin E γ T,O
- Page 167 and 168: B Alternative classifier definition
- Page 169 and 170: C Cross Section Tables 153 C Cross
- Page 171 and 172: C Cross Section Tables 155 η γ E
- Page 173 and 174: C Cross Section Tables 157 η γ d
- Page 175 and 176: C Cross Section Tables 159 η jet d
- Page 177 and 178: C Cross Section Tables 161 x LO γ
- Page 179 and 180: C Cross Section Tables 163 x LO γ
- Page 181 and 182: List of Figures 1.1 Lowest order Fe
- Page 183 and 184: List of Figures 167 6.2 Shower shap
- Page 185 and 186: List of Tables 169 List of Tables 1
- Page 187 and 188: List of Tables 171 C-8b Corrections
- Page 189 and 190: References [1] C. Amsler et al.,
- Page 191 and 192: References 175 [32] R. Nisius, “T
- Page 193: References 177 [63] P. A. Aarnio et
- Page 197 and 198: References 181 [129] J. M. Butterwo