2018-06-13
15:40 |
Data analysis to evaluate the CPPF system in CMS trigger phase-I upgrade
/CMS Collaboration
The CMS Level-1 trigger upgrade system consists of several layers of electronics with a large number of homogeneous cards based on the Micro-TCA(uTCA) standard. The CPPF(Concentration Pre-Processing and Fan-out)system belongs to one of the electronic layers, covering the Muon RPC (Resistive plate chambers) Overlap and Endcap region, and provides preprocessing algorithm for track finding. [...]
CMS-DP-2018-029; CERN-CMS-DP-2018-029.-
Geneva : CERN, 2018 - 8 p.
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2018-06-07
11:13 |
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2018-06-07
11:13 |
Heavy Flavour distributions from CMS with 2017 data at 13 TeV
/CMS Collaboration
We report plots on heavy flavor from the data collected in 2017 by CMS at LHC at 13 TeV. B meson performance plots in two different periods, characterized by different instantaneous luminosity are included..
CMS-DP-2018-027; CERN-CMS-DP-2018-027.-
Geneva : CERN, 2018 - 23 p.
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2018-06-07
11:12 |
Tau Identification Performance in
2017 Data at $\sqrt{s}=13$ TeV
/CMS Collaboration
This document presents the performance of the CMS hadrons-plus-strips (HPS) algorithm, used to reconstruct $\tau$ leptons in their hadronic decays, evaluated with proton-proton collision data recorded in 2017 at $\sqrt{s}=13$ TeV. The measurements are performed for $\tau_{h}$
identification efficiency, and the probability of electrons or muons to be misidentified as hadronic $\tau$ decays..
CMS-DP-2018-026; CERN-CMS-DP-2018-026.-
Geneva : CERN, 2018 - 21 p.
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2018-06-06
12:47 |
The performance of CMS ZDC detector in 2016
/CMS Collaboration
The Zero Degree Calorimeter (ZDC) detects neutral particles in $\lvert\eta\rvert > 8.5$ region. In 2016, the ZDC is cross-calibrated to 2010 dataset. [...]
CMS-DP-2018-025; CERN-CMS-DP-2018-025.-
Geneva : CERN, 2017 - 25 p.
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2018-06-06
12:46 |
Updates to Constituent Subtraction in Heavy Ions at CMS
/CMS Collaboration
The latest upgrades and performance of constituent subtraction in 5.02 TeV PbPb collisions is presented. The constituent subtraction is extended through the full tracker acceptance, increasing the rapidity reach of correctly subtracted jets. [...]
CMS-DP-2018-024; CERN-CMS-DP-2018-024.-
Geneva : CERN, 2018 - 13 p.
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2018-06-05
10:44 |
Subjet double-b quark tagging performance in 5 TeV pp collisions
/CMS Collaboration
Nearly collinear pairs of partons are sensitive to potential novel coherence effects in the parton energy loss process, which can be observed through measurements of jet substructure. This analysis presents a new measurement of jets containing a gluon that splits into a heavy quark pair, i.e., a heavy-quark antenna. [...]
CMS-DP-2018-023; CERN-CMS-DP-2018-023.-
Geneva : CERN, 2018 - 14 p.
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2018-06-05
10:44 |
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2018-06-04
14:59 |
BCM1F $\mu$TCA readout and visible cross-section measurements
/CMS Collaboration
In the CMS experiment, the Fast Beam Conditions Monitor (BCM1F) provides an online, bunch-by-bunch measurement of luminosity and machine induced background.
The Beam Pickup Transformer (BPTX) provides a precise measurement of beam intensity and arrival time.
Upgraded back-end electronics have been developed for the BCM1F, based on the $\mu$TCA standard.
This system is slated to replace the current VME-based readout as well as the BPTX readout for the next LHC run.
This note includes performance plots for both the upgraded back-end and the current BRIL Luminometers..
CMS-DP-2018-020; CERN-CMS-DP-2018-020.-
Geneva : CERN, 2018 - 11 p.
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2018-05-31
09:38 |
Results related to the Phase1 HE upgrade
/CMS Collaboration
Results from the operation of the upgraded HE detector are reported using 2017 and 2018 data..
CMS-DP-2018-019; CERN-CMS-DP-2018-019.-
Geneva : CERN, 2018 - 13 p.
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