H. Bakhshiansohi
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View article: The CMS Phase-2 Fast Beam Condition Monitor prototype test with beam
The CMS Phase-2 Fast Beam Condition Monitor prototype test with beam Open
The Fast Beam Condition Monitor (FBCM) is a standalone luminometer for the High Luminosity LHC (HL-LHC) program of the CMS Experiment at CERN. The detector is under development and features a new, radiation-hard, front-end application-spec…
View article: Electronics design and testing of the CMS Fast Beam Condition Monitor for HL-LHC
Electronics design and testing of the CMS Fast Beam Condition Monitor for HL-LHC Open
The high-luminosity upgrade of the LHC (HL-LHC) brings unprecedented requirements forprecision bunch-by-bunch luminosity measurement and beam-induced background monitoring inreal time. A key component of the CMS Beam Radiation Instrumentat…
View article: Electronics design and testing of the CMS Fast Beam Condition Monitor for HL-LHC
Electronics design and testing of the CMS Fast Beam Condition Monitor for HL-LHC Open
The high-luminosity upgrade of the LHC (HL-LHC) brings unprecedented requirements for precision bunch-by-bunch luminosity measurement and beam-induced background monitoring in real time. A key component of the CMS Beam Radiation Instrument…
View article: The CMS Fast Beam Condition Monitor for HL-LHC
The CMS Fast Beam Condition Monitor for HL-LHC Open
The high-luminosity upgrade of the LHC brings unprecedented requirements for real-time and precision bunch-by-bunch online luminosity measurement and beam-induced background monitoring. A key component of the CMS Beam Radiation, Instrument…
View article: The CMS Fast Beam Condition Monitor for HL-LHC
The CMS Fast Beam Condition Monitor for HL-LHC Open
The high-luminosity upgrade of the LHC brings unprecedented requirements for real-time and precision bunch-by-bunch online luminosity measurement and beam-induced background monitoring. A key component of the CMS Beam Radiation, Instrument…
View article: Erratum to: Measurement of the top quark mass with lepton+jets final states using pp collisions at $$\sqrt{s} = 13\,\hbox {TeV}$$
Erratum to: Measurement of the top quark mass with lepton+jets final states using pp collisions at $$\sqrt{s} = 13\,\hbox {TeV}$$ Open
In this article the author name Luigi Calligaris was incorrectly written as A. Calligaris. The original article has been corrected.
View article: Operational Intelligence for Distributed Computing Systems for Exascale Science
Operational Intelligence for Distributed Computing Systems for Exascale Science Open
In the near future, large scientific collaborations will face unprecedented computing challenges. Processing and storing exabyte datasets require a federated infrastructure of distributed computing resources. The current systems have prove…
View article: Extraction and validation of a new set of CMS pythia8 tunes from underlying-event measurements
Extraction and validation of a new set of CMS pythia8 tunes from underlying-event measurements Open
New sets of CMS underlying-event parameters (“tunes”) are presented for the pythia 8 event generator. These tunes use the NNPDF3.1 parton distribution functions (PDFs) at leading (LO), next-to-leading (NLO), or next-to-next-to-leading (NNL…
View article: Automatic log analysis with NLP for the CMS workflow handling
Automatic log analysis with NLP for the CMS workflow handling Open
The central Monte-Carlo production of the CMS experiment utilizes the WLCG infrastructure and manages daily thousands of tasks, each up to thousands of jobs. The distributed computing system is bound to sustain a certain rate of failures o…
View article: Automatic log analysis with NLP for the CMS workflow handling [Slides]
Automatic log analysis with NLP for the CMS workflow handling [Slides] Open
The automatization of failing workflow handling is discussed. Implementation of a pipeline for DAQ and ML of error logs using big data analysis tools is available at github. Development of a prototype NLP model in Keras is explored.
View article: Measurement of exclusive $${{{\uprho _{}^{}} _{}^{}}{{\left( {770}\right) }{}_{}^{}}} ^{0}$$ photoproduction in ultraperipheral pPb collisions at $$\sqrt{\smash [b]{s_{_{\mathrm {NN}}}}} = 5.02\,\text {Te}\text {V} $$
Measurement of exclusive $${{{\uprho _{}^{}} _{}^{}}{{\left( {770}\right) }{}_{}^{}}} ^{0}$$ photoproduction in ultraperipheral pPb collisions at $$\sqrt{\smash [b]{s_{_{\mathrm {NN}}}}} = 5.02\,\text {Te}\text {V} $$ Open
Exclusive $\rho^0$(770) photoproduction is measured for the first time in ultraperipheral pPb collisions at $\sqrt{s_\mathrm{NN}} =$ 5.02 TeV with the CMS detector. The cross section $\sigma (\gamma$p $\to$ $\rho^0$(770)p) is 11.2 $\pm$ 1.…
View article: Performance of missing transverse momentum reconstruction in proton-proton collisions at √<i>s</i> = 13 TeV using the CMS detector
Performance of missing transverse momentum reconstruction in proton-proton collisions at √<i>s</i> = 13 TeV using the CMS detector Open
The performance of missing transverse momentum (${\vec p}_{\mathrm{T}}^\mathrm{miss}$) reconstruction algorithms for the CMS experiment is presented, using proton-proton collisions at a center-of-mass energy of 13 TeV, collected at the CER…
View article: An embedding technique to determine ττ backgrounds in proton-proton collision data
An embedding technique to determine ττ backgrounds in proton-proton collision data Open
An embedding technique is presented to estimate standard model $\tau\tau$ backgrounds from data with minimal simulation input. In the data, the muons are removed from reconstructed $\mu\mu$ events and replaced with simulated tau leptons wi…