Low temperature proton polarized target for nucleon structure studies at COMPASS
| Thesis title in Czech: | Nízkoteplotní polarizovaný terč protonů pro studium struktury nukleonů v experimentu COMPASS |
|---|---|
| Thesis title in English: | Low temperature proton polarized target for nucleon structure studies at COMPASS |
| Key words: | nucleon structure, polarized proton target, low temperatures, NMR technique |
| English key words: | nucleon structure, polarized proton target, low temperatures, NMR technique |
| Academic year of topic announcement: | 2010/2011 |
| Thesis type: | Bachelor's thesis |
| Thesis language: | angličtina |
| Department: | Department of Low Temperature Physics (32-KFNT) |
| Supervisor: | prof. Ing. Miroslav Finger, DrSc. |
| Author: | hidden - assigned and confirmed by the Study Dept. |
| Date of registration: | 14.11.2010 |
| Date of assignment: | 25.02.2011 |
| Date and time of defence: | 19.06.2012 00:00 |
| Date of electronic submission: | 23.05.2012 |
| Date of submission of printed version: | 23.05.2012 |
| Date of proceeded defence: | 19.06.2012 |
| Opponents: | prof. RNDr. Jiří Englich, DrSc. |
| Advisors: | Michael Finger, M.Sc., CSc. |
| Guidelines |
| 1) Getting acquainted with the goals of COMPASS experiment
2) Getting acquainted with the Compass spectrometer, low temperature polarized proton target and polarized muon beam for nucleon structure studies. 3) Principles of: dynamic proton polarization at low temperatures, choice of the target material, proton polarization measurements and polarization data analysis. 4) Preparation and operation of proton polarized target at Compass run 2010; optimization and measurements of the proton polarization during the Compass run. Polarization data analysis. |
| References |
| 1. P. Abbon et al., The Compass Experiment at CERN , NIMA 577 (2007) 455-518
2. K. Kondo et al., Polarization measurement in the COMPASS polarized target NIMA 526 (2004) 70-75 3. Isabel Llorente-Garcia, 204 Data analysis for Compass Polarized target, http://wwwcompass.cern.ch/compass/detector/target/Summerstudents/IsabelReport04.pdf 4. N. Doshita et al., Past and future of the Compass polarized target, ASI SPIN-Praha-2008 |
| Preliminary scope of work |
| 1) Compass experiment at CERN
2) Compass low temperature proton polarized target (PPT) 3) Preparation of the PPT for Compass experimental runs 2010 - preparation of the polarized target apparatus - choice of polarized target material - optimization of the conditions for the dynamic proton polarization during the runs - nuclear magnetic resonance (NMR) measurements of the proton target polarization 4) Operation of the Compass PPT during the 2010 runs - monitoring and optimization of the PPT working conditions during the polarization build-up and during the course of the physics run - Thermal Equilibrium (TE) calibration of the Compass PPT NMR system for the run 2010 - systematic NMR polarization measurements during the polarization build-up and physics runs 5) Precise polarization data analysis - general procedures for the PPT TE calibration and TE calibration analysis - extractions of proton target polarizations during the runs for both, longitudinal and transvers proton polarization conditions - extraction of polarization relaxation times during the 2010 runs - over all polarization data analysis 6) Conclusions |
| Preliminary scope of work in English |
| 1) Compass experiment at CERN
2) Compass low temperature proton polarized target (PPT) 3) Preparation of the PPT for Compass experimental runs 2010 - preparation of the polarized target apparatus - choice of polarized target material - optimization of the conditions for the dynamic proton polarization during the runs - nuclear magnetic resonance (NMR) measurements of the proton target polarization 4) Operation of the Compass PPT during the 2010 runs - monitoring and optimization of the PPT working conditions during the polarization build-up and during the course of the physics run - Thermal Equilibrium (TE) calibration of the Compass PPT NMR system for the run 2010 - systematic NMR polarization measurements during the polarization build-up and physics runs 5) Precise polarization data analysis - general procedures for the PPT TE calibration and TE calibration analysis - extractions of proton target polarizations during the runs for both, longitudinal and transvers proton polarization conditions - extraction of polarization relaxation times during the 2010 runs - over all polarization data analysis 6) Conclusions |