Browsing by Subject "Resonance"
Now showing items 1-20 of 27
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Article
Alternating amphiphilic multiblock copolymers: Controlled synthesis via RAFT polymerization and aqueous solution characterization
(2010)Four linear amphiphilic multiblock copolymers based on 2-(dimethylamino) ethyl methacrylate (DMAEMA, hydrophilic) and methyl methacrylate (MMA, hydrophobic), bearing from two to five blocks, were synthesized using reversible ...
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Alternating amphiphilic multiblock copolymers: Controlled synthesis via RAFT polymerization and aqueous solution characterization
(2010)Four linear amphiphilic multiblock copolymers based on 2-(dimethylamino) ethyl methacrylate (DMAEMA, hydrophilic) and methyl methacrylate (MMA, hydrophobic), bearing from two to five blocks, were synthesized using reversible ...
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Conference Object
Bandwidth and directivity enhancement of metamaterial-loaded loop antennas for microwave imaging applications
(Institute of Electrical and Electronics Engineers Inc., 2017)Compact, wideband and unidirectional loop antennas are presented, that are based on a conventional planar loop antenna that is loaded in a mu-negative (MNG) fashion with series capacitors, enabling a mu-zero (MZR) resonance ...
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A compact multiband monopole antenna with a defected ground plane
(2008)A compact multiband antenna is proposed that consists of a printed circular disc monopole antenna with an L-shaped slot cut out of the ground, forming a defected ground plane. Analysis of the current distribution on the ...
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Article
A compact tri-band monopole antenna with single-cell metamaterial loading
(2010)A compact tri-band planar monopole antenna is proposed that employs reactive loading and a defected ground-plane structure. The reactive loading of the monopole is inspired by transmission-line based metamaterials (TL-MTM), ...
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Article
Compact Wideband Loop Antenna Partially Loaded With Mu-Negative Metamaterial Unit Cells for Directivity Enhancement
(2016)A wideband and unidirectional loop antenna partially loaded with mu-negative (MNG) metamaterial unit cells is presented. To reduce the electrical size of the antenna, its first resonance is formed by capacitively loading ...
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Article
Dielectron production in C12+C12 collisions at 2AGeV with the HADES spectrometer
(2007)The invariant-mass spectrum of e+e- pairs produced in C12+C12 collisions at an incident energy of 2 GeV per nucleon has been measured for the first time. The measured pair production probabilities span over 5 orders of ...
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Article
A Directivity-Band-Dependent Triple-Band and Wideband Dual-Polarized Monopole Antenna Loaded with a Via-Free CRLH Unit Cell
(2015)A printed triple-band and wideband dual-polarized meander-line monopole antenna with a single CRLH metamaterial loading is presented. The metamaterial loading improves the impedance matching and causes the proposed antenna ...
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Conference Object
Effect of molecular weight on the vibronic structure of a diketopyrrolopyrrole polymer
(SPIE, 2016)Resonance Raman Spectroscopy (RRS) is employed in this study to examine the influence of molecular weight on the optical response of a diketopyrrolopyrrole polymer (DPP-TT-T) in solution. The vibronic structure observed ...
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Article
Large ultrafast optical nonlinearities in As-rich GaAs
(1994)The measurement of large Ultrafast bandgap-resonant optical nonlinearities in As-rich samples of GaAs that have been grown at low temperatures is reported. Light-induced refractive index changes of magnitude greater than ...
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Article
Measurement of resonance parameters of orbitally excited narrow B0 mesons
(2009)We report a measurement of resonance parameters of the orbitally excited (L=1) narrow B0 mesons in decays to B(*)+Ï€- using 1.7fb-1 of data collected by the CDF II detector at the Fermilab Tevatron. The mass and width of ...
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Article
Multiscale amplitude-modulation frequency-modulation (AMFM) texture analysis of multiple sclerosis in brain MRI images
(2011)This study introduces the use of multiscale amplitude modulation-frequency modulation (AM-FM) texture analysis of multiple sclerosis (MS) using magnetic resonance (MR) images from brain. Clinically, there is interest in ...
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Article
Observation of orbitally excited Bs mesons
(2008)We report the observation of two narrow resonances consistent with states of orbitally excited (L=1) Bs mesons using 1fb-1 of pp̄ collisions at s=1.96TeV collected with the Collider Detector at Fermilab II detector at the ...
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Article
Observation of the heavy baryons Σb and Σb*
(2007)We report an observation of new bottom baryons produced in pp̄ collisions at the Tevatron. Using 1.1fb-1 of data collected by the CDF II detector, we observe four Λb0π± resonances in the fully reconstructed decay mode ...
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Conference Object
Quantitative analysis of brain white matter lesions in multiple sclerosis subjects: Preliminary findings
(2008)In this study the value of magnetic resonance image (MRI) shape and texture analysis was assessed in multiple sclerosis (MS) subjects, both in differentiating between normal and abnormal tissue and in assessing disease ...
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Article
Resonance Raman intensity analysis of ClNO2 dissolved in methanol
(2013)Halogens such as chlorine are converted from halides, including ClNO 2, to reactive radicals by UV solar radiation. These radicals can affect ozone production and destruction in the stratosphere. Recently, it became clear ...
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Article
Resonance raman spectroscopy of nitric oxide reductase and cbb3 Heme-Copper oxidase
(2008)Elucidating the structure and properties of the active sites in cbf 3 heme-copper oxidase and in nitric oxide reductase (Nor) is crucial in understanding the reaction mechanisms of oxygen and nitric oxide reduction by both ...
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Article
The role of the cross-link His-Tyr in the functional properties of the binuclear center in cytochrome c oxidase
(2002)Resonance Raman and Fourier transform infrared spectroscopies have been used to study the aa3-type cytochrome c oxidase and the Y280H mutant from Paracoccus denitrificans. The stability of the binuclear center in the absence ...
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Article
Search for a fermiophobic higgs Boson decaying into diphotons in pp̄ collisions at s=1.96TeV
(2009)A search for a narrow diphoton mass resonance is presented based on data from 3.0fb-1 of integrated luminosity from pp̄ collisions at s=1.96TeV collected by the CDF experiment. No evidence of a resonance in the diphoton ...
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Article
Search for high-mass e+e- resonances in pp̄ collisions at s=1.96TeV
(2009)A search for high-mass resonances in the e+e- final state is presented based on 2.5fb-1 of s=1.96TeV pp̄ collision data from the CDF II detector at the Fermilab Tevatron. The largest excess over the standard model prediction ...