Download Z Boson Transverse Momentum Distribution, and ZZ and WZ by Mika Vesterinen PDF

By Mika Vesterinen

This paintings develops novel info research innovations permitting points of the normal version of particle physics to be validated with exceptional precision utilizing info from the DZero test on the excessive strength “Tevatron” proton-antiproton collider at Fermilab, Chicago. Vesterinen's measurements of the transverse momentum of Z bosons utilizing the radical variable φ* have uncovered deficiencies within the present cutting-edge theoretical predictions for vector boson construction at hadron colliders. those recommendations at the moment are getting used within the experiments at CERN’s huge Hadron Collider (LHC) and feature motivated huge curiosity within the theoretical particle physics neighborhood. in addition, Vesterinen's measurements of the move sections for the creation of pairs of vector bosons (WZ and ZZ) are so far the main designated ever made.

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Additional resources for Z Boson Transverse Momentum Distribution, and ZZ and WZ Production: Measurements Using 7.3 – 8.6 fb–1 of p¯p Collisions at √s = 1.96 TeV

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Meth. Phys. Res. A 634, 8–46 (2011) 6. R. , Nucl. Instrum. Meth. Phys. Res. A 622, 298–310 (2010) 7. S. , Nucl. Instr. Meth. 1 Detector Alignment and Calibration The detector must undergo regular calibrations and alignments. The inner tracker is aligned using collision data, and cosmic ray muon events that are recorded whilst the solenoid is switched off. 1 Calorimeter Calibration Calibration of the calorimeter can be broadly divided into two parts: readout electronics and cell gains. The readout electronics are calibrated by injecting known amounts of charge.

Notice the pseudo-projective geometry with constant cell size in η (apart from the extreme forward region of the EC) Cells are arranged in modules, one of which is shown in Fig. 9. In the CC, there are 32 EM modules, and 16 FH and CH modules, as shown in Fig. 10. The EM energy response is degraded near to the poorly instrumented CC module boundaries (φ-gaps). This is more problematic with the shorter Run II bunch spacing since the electric field is non-uniform near to the φ-gaps, leading to significant losses in charge integration.

R. , Nucl. Instrum. Meth. Phys. Res. A 622, 298–310 (2010) 7. S. , Nucl. Instr. Meth. 1 Detector Alignment and Calibration The detector must undergo regular calibrations and alignments. The inner tracker is aligned using collision data, and cosmic ray muon events that are recorded whilst the solenoid is switched off. 1 Calorimeter Calibration Calibration of the calorimeter can be broadly divided into two parts: readout electronics and cell gains. The readout electronics are calibrated by injecting known amounts of charge.

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