Search results for "Engineering research"

showing 3 items of 3 documents

Direct Measurement of theWProduction Charge Asymmetry inpp¯Collisions ats=1.96  TeV

2009

We wish to thank R.S. Thorne and W.J. Stirling for useful discussions on the theoretical predictions.We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. This work was supported by the U.S. Department of Energy and National Science Foundation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science and Technology of Japan; the Natural Sciences and Engineering Research Council of Canada; the National Science Council of the Republic of China; the Swiss National Science Foundation; the A.P. Sloan Foundation; the Bundesministerium fur Bildung und Forschung, Germany; the Korean Science…

European community010308 nuclear & particles physicsScience and engineeringGeneral Physics and AstronomyLibrary scienceCharge (warfare)7. Clean energy01 natural sciencesBildungBasic researchPolitical science0103 physical sciencesChristian ministry010306 general physicsEngineering researchChinaPhysical Review Letters
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Detection of Signals in MC–CDMA Using a Novel Iterative Block Decision Feedback Equalizer

2022

This paper presents a technique to mitigate multiple access interference (MAI) in multicarrier code division multiple access (MC-CDMA) wireless communications systems. Although under normal circumstances the MC-CDMA system can achieve high spectral efficiency and resistance towards inter symbol interference (ISI) however when exposed to substantial nonlinear distortion the issue of MAI manifests. Such distortion results when the power amplifiers are driven into saturation or when the transmit signal experiences extreme adverse channel conditions. The proposed technique uses a modified iterative block decision feedback equalizer (IB-DFE) that uses a minimal mean square error (MMSE) receiver …

General Computer ScienceIterative methodsMultiaccess communicationReceiversMMSENonlinear distortionCodesFeedbackCDMA[SPI]Engineering Sciences [physics]CDMA OFDM MAI MMSE IB-DFE Maximum Likelihood (ML)General Materials ScienceSpectral efficiencyMaximum likelihood (Ml)Electrical and Electronic EngineeringOFDMDecision feedback equalizers[PHYS]Physics [physics]TelecomunicacionesPower amplifiersGeneral EngineeringMAIMaximum Likelihood (ML)Multicarrier code division multiple accessAI and TechnologiesBit error rateIB-DFESignal detectionEngineering Research GroupIEEE Access
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Search for Anomalous Production of Events with a Photon, Jet, b-quark Jet, and Missing Transverse Energy

2009

We present a signature-based search for the anomalous production of events containing a photon, two jets, of which at least one is identified as originating from a b quark, and missing transverse energy ((sic)(T)). The search uses data corresponding to 2.0 fb(-1) of integrated luminosity from p (p) over bar collisions at a center-of-mass energy of root s = 1.96 TeV, collected with the CDF II detector at the Fermilab Tevatron. From 6.697 47 x 10(6) events with a photon candidate with transverse energy E-T > 25 GeV, we find 617 events with (sic)(T) > 25 GeV and two or more jets with E-T > 15 GeV, at least one identified as originating from a b quark, versus an expectation of 607 +/- 113 event…

Nuclear and High Energy PhysicsParticle physicsMISSING TRANSVERSE ENERGYParticle modelScience and engineeringAstrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencesLibrary scienceddc:500.201 natural sciences7. Clean energy114 Physical sciencesHigh Energy Physics - ExperimentBildungHigh Energy Physics - Experiment (hep-ex)Basic research0103 physical sciencesMatrix element010306 general physicsNuclear ExperimentPhysics010308 nuclear & particles physicshep-exPhysicsPHOTONJETSCDFChristian ministryHigh Energy Physics::ExperimentEngineering research
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