The CMS tracker transverse momentum resolution
Performance of the CMS missing transverse momentum reconstruction in pp data at s = 8 TeV CMS Collaboration
... T resolution functions exhibit non-Gaussian ...jet resolution function R i (p x , p y ) is transformed to e R i (k x , k y ), and then the product ∏ n i=1 R e i (k x , k y ) is computed and back-transformed ...
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Calibration of the muon momentum resolution in view of the W mass measurement with the CMS experiment
... 3.2. THE CMS EXPERIMENT Four layers occupied by cathode strip chambers (CSCs) are used in each endcap. In these chambers, closely spaced anode wires are stretched between two cathodes. The ionization electrons ...
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Operation and Performance of the CMS Silicon Tracker
... The CMS silicon tracker is the largest silicon detector ever ...the tracker. The resolution and efficiency of the track and vertex reconstruction are measured with data and compared to the ...
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Study of the Optimum Momentum Resolution of CMS Experiment. Presented by: Timothy McDonald Faculty Mentor: Darin Acosta
... b Change in muon track’s angle is inversely Change in muon track’s angle is inversely related to momentum. related to momentum[r] ...
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Searches for squarks and gluinos in events with missing transverse momentum
... on behalf of the ATLAS and CMS Collaborations Abstract. In this contribution, the latest results from CMS and ATLAS on inclusive searches for Squark and Gluino Production at the LHC are reviewed. A variety ...
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Z Boson Transverse Momentum Distribution, and ZZ and WZ Production
... electron drift time across the gap is comparable to the 396 ns bunch spacing in Run II of the Tevatron. Charge integration is therefore a significant problem. The calorimeter cells are arranged such that “towers” of ...
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Probing new physics with displaced vertices: Muon tracker at CMS
... Schematic drawing of the muon detector is shown in Fig. 2. For the LHC Run 2, new reconstruction of muons has been introduced [40], the so-called displaced stand-alone muon reconstruction. This reconstruction is ...
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NNLO QCD corrections to Higgs boson production at large transverse momentum.
... finite transverse momentum, working in the effective field theory in which the top quark contributions are integrated ...the transverse momentum distribution of the Higgs boson, accounting for ...
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Pseudorapidity and transverse momentum dependence of flow harmonics in pPb and PbPb collisions
... Expanding on the results in Figs. 3 and 4, which show only v 2 from the scalar product method, the yield-weighted average v 2 values for all of the analysis methods are shown in Fig. 5. It is interesting to note that the ...
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Study of transverse momentum dependent distributions from polarised Drell-Yan at COMPASS
... ) resolution is quite important since asymmetries between the two target cells will be ...mass resolution is 180 MeV/c 2 and the Z vtx resolution is 6 cm, which implies a very low level of ...
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Multiplicity and Mean Transverse. Momentum of Proton-Proton. 7 TeV with ALICE at the LHC
... timing resolution of at least 100 ps, provided by the Multi-gap Resistive-Plate Chamber (MRPC) design of the ...a resolution better than 50 ps and almost 100% efficiency ...
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Evidence for transverse momentum and pseudorapidity dependent event plane fluctuations in PbPb and pPb collisions
... As illustrated by the schematic in Fig. 8 , for 4.4 < η b < 5.0 from the HF calorimeters, a minimum η gap of two units between a calorimeter tower and any charged particle from the silicon tracker is guaranteed. ...
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CMS Tracker sensors Upgrade
... • The present R&D project foresees duration of 36 months, to cover the full R&D activities up to preproduction. – A year-based time schedule of milestones is foreseen to verify the achievements in coordination with the ...
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Event-based transverse momentum resummation
... There are various other prescriptions to switch off resum- mation. One can eliminate the logarithms at large q T by suit- ably modifying their arguments with power suppressed con- tributions, or one can use special ...
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Transverse momentum distributions and nuclear effects
... Transverse momentum distributions and nuclear effects Emanuele Pace 1 , a , Alessio Del Dotto 2 , Leonid Kaptari 3 , 4 , Matteo Rinaldi 4 , Giovanni Salmè 5 , and Sergio Scopetta 4 1 Dipartimento di Fisica, ...
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Tracker Resolution/Update
... ● Perform a full resolution study for perfect fields, opera field maps and MAUS field maps. ● Try to understand the difference in performance and how it depends on the field uniformity[r] ...
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Transverse spin and transverse momentum structure of the nucleon from the COMPASS experiment
... COMPASS has investigated transverse spin and TMD effects via SIDIS off deuterium and proton targets. Full set of results on Collins and Sivers asymmetries , on pions and kaons :[r] ...
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Transverse spin and transverse momentum structure of the nucleon from the COMPASS experiment
... Abstract. COMPASS is a fixed target experiment at the CERN SPS M2 beam line, taking data since year 2002. Part of the physics programme is dedicated to the study of the trans- verse spin and transverse ...
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Towards a better understanding of transverse momentum resummation
... In this thesis we investigate several aspects of the transverse momentum resummation, which is intimately related to the TMD formalism. Furthermore we perform a global analysis of the Drell-Yan lepton ...
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TMD evolution and the Higgs transverse momentum distribution
... the transverse momentum distribution of a colorless scalar boson pro- duced in proton–proton collisions has been ...small transverse momentum, but exhibit the correct power law fall-off of the ...
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