Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states:
Gespeichert in:
| Beteilige Person: | |
|---|---|
| Format: | Hochschulschrift/Dissertation Buch |
| Sprache: | Englisch |
| Veröffentlicht: |
Berlin
Mensch & Buch Verl.
2011
|
| Schriftenreihe: | Physical science
|
| Schlagwörter: | |
| Links: | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024537980&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Umfang: | IV, 217 S. Ill., graph. Darst. |
| ISBN: | 9783866649781 |
Internformat
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| 100 | 1 | |a Hartmann, Thomas |d 1979- |e Verfasser |0 (DE-588)1013762266 |4 aut | |
| 245 | 1 | 0 | |a Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states |c Thomas Hartmann |
| 246 | 1 | 0 | |a anti-B0 to Lambda-c plus anti-proton pion plus pion minus |
| 264 | 1 | |a Berlin |b Mensch & Buch Verl. |c 2011 | |
| 300 | |a IV, 217 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Physical science | |
| 502 | |a Zugl.: Rostock, Univ. , Diss., 2011 | ||
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| 689 | 0 | 1 | |a Zerfall |0 (DE-588)4067675-4 |D s |
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| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-024537980 | |
Datensatz im Suchindex
| _version_ | 1819266129401479168 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION 1 1.1 MOTIVATION AND OUTLINE 11.1.1 GOALS OF THIS
ANALYSIS 21.1.2 GENERAL ANALYSIS OUTLINE 21.1.3 PARTICLE PROPERTIES 31.2
THEORETICAL AND PHENOMENOLOGICAL CONSIDERATIONS 51.2.1 INTRODUCTION
51.2.2 DIRECT DECAY DIAGRAMS 51.2.3 RESONANT DECAY DIAGRAMS 61.2.3.1 E C
PRODUCTION CLASSIFICATION 6 1.2.3.2 FURTHER INTERMEDIATE STATE
COMBINATIONS 71.2.4 EFFECTIVE THREE BODY DIAGRAMS 91.2.5 THEORETICAL
CALCULATIONS 121.2.5.1 SU(3) APPROACH 121.2.5.2 DIQUARK APPROACH 121.3
RELATED MEASUREMENTS 131.3.1 MULTIPLICITY DEPENDENT BRANCHING FRACTIONS
131.3.2 DECAY DYNAMICS: BARYON-ANTIBARYON THRESHOLD ENHANCEMENT 13 2 THE
BABAR EXPERIMENT 17 2.1 PEP-II LINAC AND STORAGE RING 172.2 THE BABAR
DETECTOR 192.2.1 OVERVIEW 192.2.2 SILICON VERTEX TRACKER (SVT) 192.2.3
DRIFT CHAMBER (DCH) 202.2.4 CHERENKOV DETECTOR (DIRC) 202.2.5
ELECTROMAGNETIC CALORIMETER (EMC) 212.2.6 INSTRUMENTED FLUX RETURN (IFR)
222.3 DATA PROCESSING AND SIMULATION 242.3.1 LEVEL 1/ LEVEL 3 TRIGGER
SYSTEM AND DATA SKIMMING 242.3.2 TRACK AND PARTICLE ID RECONSTRUCTION
242.3.3 MONTE-CARLO EVENT SIMULATION 26 3 DATA SELECTION 273.1 SOFTWARE
AND DATASETS 273.1.1 RECONSTRUCTION SOFTWARE 273.1.2 DATA SET . . ._
273.1.3 NUMBER OF BB EVENTS 273.2 EVENT SELECTION 28I BIBLIOGRAFISCHE
INFORMATIONEN HTTP://D-NB.INFO/1013183851 DIGITALISIERT DURCH
IMAGE 2
CONTENTS
3.2.1 B RECONSTRUCTION VARIABLES 28
3.2.2 E C RECONSTRUCTION VARIABLES 29
3.2.3 TRACK CONSTRAINTS 29
3.3 AC SELECTION 29
3.4 B SELECTION AND A^ MASS CONSTRAINT 30
3.4.1 AT MASS HYPOTHESES IN DATA AND MONTE-CARLO SIMULATED EVENTS 30
3.4.2 RECONSTRUCTION VARIABLES: CORRELATION CONSIDERATIONS 33
3.5 PREPARATIONS FOR B -* U C P-X^ MEASUREMENTS 35
3.5.1 B SIGNAL AND SIDE BAND DEFINITIONS 35
3.5.1.1 SELECTION VARIABLES TBES : MI NV 35
3.6 S C FIT STRATEGY 38
3.6.1 FIT VARIABLES M IM,: M(A^T! ) 39
3.7 SIGNAL SOURCES 41
3.7.1 SIGNAL CONTRIBUTIONS AND FIT PARAMETERS 41
3.7.2 EVENTS FROM B - E+ F (2455)P?R- DECAYS 41
3.7.3 EVENTS FROM B -» I?+ +(2520)P7R- DECAYS 42
3.7.4 EVENTS FROM B - Z%(2I55)PW+ DECAYS 45
3.7.5 EVENTS FROM B - R(2520)P7R+ DECAYS 45
3.8 BACKGROUND SOURCES 45
3.8.1 COMBINATORIAL BACKGROUND 46
3.8.2 COMBINATORIAL BACKGROUND EVENTS WITH TRUE E C RESONANCES 51
3.8.3 NON- C B -» APIT +IZ~ EVENTS AS BACKGROUND 53
3.8.4 BACKGROUND FROM S - X +(2455, 2520)PTT-WITH T+-*YL+7R 0 55
3.8.5 BACKGROUND FROM B -T D/I FJ P+N * TT EVENTS 57
MONTE-CARLO STUDIES 63
4.1 MC DATASETS 63
4.2 MC/DATA MISALIGNMENT 63
4.2.1 MONTE-CARLO/DATA DIFFERENCES IN RRII NV 64
4.2.1.1 DETECTOR SIMULATION MISALIGNMENT 64
4.2.1.2 P MOMENTUM CORRECTION 65
4.2.2 RESONANCE MASSES AND WIDTHS IN DATA AND MONTE-CARLO EVENTS 68
4.2.2.1 S C (2455,2520) MASSES AND WIDTHS 68
4.2.2.2 MONTE-CARLO/DATA DIFFERENCE FOR E C (2455) 68
4.3 FIT VERIFICATION ON MC 71
RESULTS 73
5.1 FIT ON DATA . ._ 73
5.1.1 FIT FOR B -» 5(2455,2520)P?R+ 73
5.1.2 FIT FOR B - ++(2455,2520)5*- IN DATA 78
5.1.3 DETERMINATION OF NON-X* C B - * A]M +N~ EVENTS IN DATA 81
5.1.3.1 MI NV SUB-DIVISION IN REGIONS LZC AND IIC 81
5.1.3.2 M INV FIT IN REGION ISC 81
5.1.3.3 M INV FIT IN REGION IISC 82
5.1.4 DALITZ DISTRIBUTION FROM B - R C_(2455)P7R :F 87
5.1.4.1 DALITZ DISTRIBUTION FROM 5 -» R ++(2455)PFF- 87
5.1.4.2 DAUTZ DISTRIBUTION FROM B -. .? (2455)P7R+ 88
5.2 SIGNAL EVENT DISTRIBUTIONS FROM SVLOTS 92
5.2.1 ,PLOTTED DISTRIBUTIONS 92
5.2.1.1 EVENTS FROM B - S(2A5S)PIT + 92
5.2.1.2 EVENTS FROM B - XJ(2520)P7R+ 92
IMAGE 3
CONTENTS III
5.2.1.3 EVENTS FROM B -» .E ++(2455)P7R- 93
5.2.1.4 EVENTS FROM B - ++(2520)P7R^_ 93
5.2.1.5 EVENTS FROM NON-.E C (2455,2520) B - A+PN+IR- IN REGION IIXC
97
5.2.1.6 EVENTS FROM NON- C (2455,2520) B -. A+PK +N~ IN REGION I EC 97
5.2.2 INTERPRETATION 97
6 BRANCHING RATIO DETERMINATION 103
6.1 STRATEGY FOR THE RECONSTRUCTION EFFICIENCY DETERMINATION 103
6.2 EFFICIENCY DETERMINATION FROM MONTE-CARLO SIMULATED EVENTS 105
6.2.1 RECONSTRUCTION EFFICIENCY FOR RESONANT B -* E C PN^ DECAYS 105
6.2.1.1 RECONSTRUCTION EFFICIENCY OF B^- I^(2455)PIR + DECAYS 105
6.2.1.2 RECONSTRUCTION EFFICIENCIES OF B - Z5(2520)/R ++(2455,
2520)P7R DECAYS 106 6.2.2 RECONSTRUCTION EFFICIENCY FOR NON-RESONANT B
- * A*PK +N~ DECAYS 107 6.2.2.1 NON-RESONANT B-» ^L+P7R+7R~ DECAYS IN
REGION// M^+FF 107
6.2.2.2 NON-RESONANT B - APN +TR~ DECAYS IN REGION I MU+^ 107
6.3 BRANCHING FRACTIONS 107
6.4 SYSTEMATIC UNCERTAINTIES 110
6.5 FINAL RESULTS 113
7 CONCLUSION 117
A APPENDIX 119
A.I RELATED MEASUREMENTS 119
A.2 BASAR TRACKING AND PID LISTS 125
A.3 RECONSTRUCTION SOFTWARE 125
A.4 MONTE-CARLO DATASETS 126
A.5 A+ MASS RELATED MEASUREMENTS 129
A.5.1 RUN-DEPENDENT / 1 + MASS FITS 129
A.5.2 INFLUENCE OF 4+ MASS CONSTRAINTS AND CUT REGIONS ON THE NUMBER OF
B 130 A.6 M(A^-K :K) DISTRIBUTIONS IN SIGNAL AND SIDE BAND REGIONS 134
A.7 PLOTS FROM B -» %PK + MONTE-CARLO SIMULATED EVENTS 138
A.8 COMBINATORIAL BACKGROUND 140
A.8.1 COMBINATORIAL BACKGROUND WITH E C RESONANCES 140
A.8.2 FITTING COMBINATORIAL BACKGROUND IN M (JI+TT*) 144
A.9 DECAYS WITH A B~ - AFPR N 0 FINAL STATE 145
A.9.1 BACKGROUND STUDIES ON B~ -» A+PNIR AND B - I7 +(28OO)PIR~ 145
A.9.2 B- - R +(2455,2520)P7T- IN M IM 145
A.10 BACKGROUND FROM EVENTS WITH SIMILAR OR THE SAME FINAL STATE
PARTICLES 148
A.10.1 BACKGROUND FROM B - D^+^PPX EVENTS 148
A.10.2 BACKGROUND FROM B -» (CC) CHARMONIUM +X EVENTS WITH (CC)
- PP[7R+7R-] 148 A.LL FIT VERIFICATION ON MONTE-CARLO AND SIDE-BAND DATA
154
A.11.1 NON-R C (2455,2520) B -* YL+^R+TR EVENTS 154
A.LL.2 COMBINATORIAL EVENTS WITH E C RESONANCES 157
A.11.3 S C (2455,2520) MASSES AND WIDTHS 160
A.11.4 COMBINATORIAL BACKGROUND FIT VERIFICATIONS 161
A.LL.5 FIT VERIFICATION FOR SIGNAL EVENTS WITH AND WITHOUT S C
RESONANCES 177
A.12 RESONANT SIGNAL DECAY MEASUREMENTS IN RRII NVM (A^^) 179
A.12.1 FIT TO M IN*:M(YL +7R~) FOR B -* Z?(2455,2520)PR+ 179
A.12.2FIT TO M IN*:M (/1+7T+) FOR B -^ I;+ +(2455,2520)PJ-- 181
A.13 A-PZOTS 184
IMAGE 4
IV CONTENTS
A.13.1 FORMALISM 184
A.13.2 RESULT OF ,VLOT FITS IN DATA 184
A.13.3 INTERPRETATION OF ,VLOT DISTRIBUTIONS 184
A.14REWEIGHTED RECONSTRUCTION EFFICIENCIES 187
A.14.1 B - 2C(2520)PIR+, B -» ,R +(2455,2520)P7R- 187
A.14.2 NON-RESONANT B -* APK*TR~ RECONSTRUCTION EFFICIENCY IN REGIONS
IZ C AND IIZC * * 190
B LIST OF FIGURES 194
C LIST OF TABLES 204
BIBLIOGRAPHY 213
|
| any_adam_object | 1 |
| author | Hartmann, Thomas 1979- |
| author_GND | (DE-588)1013762266 |
| author_facet | Hartmann, Thomas 1979- |
| author_role | aut |
| author_sort | Hartmann, Thomas 1979- |
| author_variant | t h th |
| building | Verbundindex |
| bvnumber | BV039689153 |
| classification_rvk | UO 5185 |
| ctrlnum | (OCoLC)767766555 (DE-599)DNB1013183851 |
| dewey-full | 539.72162 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 539 - Modern physics |
| dewey-raw | 539.72162 |
| dewey-search | 539.72162 |
| dewey-sort | 3539.72162 |
| dewey-tens | 530 - Physics |
| discipline | Physik |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV039689153 |
| illustrated | Illustrated |
| indexdate | 2024-12-20T16:00:08Z |
| institution | BVB |
| isbn | 9783866649781 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024537980 |
| oclc_num | 767766555 |
| open_access_boolean | |
| owner | DE-384 |
| owner_facet | DE-384 |
| physical | IV, 217 S. Ill., graph. Darst. |
| publishDate | 2011 |
| publishDateSearch | 2011 |
| publishDateSort | 2011 |
| publisher | Mensch & Buch Verl. |
| record_format | marc |
| series2 | Physical science |
| spellingShingle | Hartmann, Thomas 1979- Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states BABAR-Detektor (DE-588)4617826-0 gnd Zerfall (DE-588)4067675-4 gnd B-null-Meson (DE-588)4390828-7 gnd |
| subject_GND | (DE-588)4617826-0 (DE-588)4067675-4 (DE-588)4390828-7 (DE-588)4113937-9 |
| title | Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states |
| title_alt | anti-B0 to Lambda-c plus anti-proton pion plus pion minus |
| title_auth | Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states |
| title_exact_search | Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states |
| title_full | Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states Thomas Hartmann |
| title_fullStr | Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states Thomas Hartmann |
| title_full_unstemmed | Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states Thomas Hartmann |
| title_short | Study of the decay B̄0 ->[Lambda]-c+ pp+ p- and its intermediate states |
| title_sort | study of the decay b0 lambda c pp p and its intermediate states |
| topic | BABAR-Detektor (DE-588)4617826-0 gnd Zerfall (DE-588)4067675-4 gnd B-null-Meson (DE-588)4390828-7 gnd |
| topic_facet | BABAR-Detektor Zerfall B-null-Meson Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024537980&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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