Sentences with phrase «of cyclotrons»

Pairs of cyclotrons could be set up at three different distances, or baselines, around the same detector, which would measure how many antineutrinos from each beam morph into a different type during flight.
The concept of an ADS is almost as old as nuclear power itself: American physicist Ernest O. Lawrence, the inventor of the cyclotron accelerator, suggested the use of particle beams in conjunction with a reactor during the 1950s.
As Maxwell explains in the video, the original proton pack consists of a cyclotron, which is composed of two electrodes that induce the particle to spiral outwards from the center, accelerated by a rapidly varying electric field.

Not exact matches

Taken literally, «for science» sake» appears to be meaningless, unless a cyclotron enjoys accelerating electrons or a law of physics is happy to be discovered.
«The greatest city on earth, a great jiving funkapolitan melting - pot... And that's why we lead in all those creative and cultural sectors and that's why we have the best universities, because the best minds from across the world are meeting in some of the best pubs and bars and nightclubs like subatomic particles colliding in a cyclotron
Lawrence's brother, John, a doctor at Yale, used one of the elements from his brother's cyclotron, radioactive phosphorus, to examine metabolism in mice.
In his earlier work at Berkeley, he gained intimate knowledge of the behavior of protons, using the cyclotron to measure their penetration into various materials.
In a 1946 paper in the journal Radiology, Wilson proposed that contemporary cyclotrons had almost become capable of energizing protons that could tackle deep - seated cancers.
At the edge of this new frontier, Wilson's professor and mentor at the University of California, Berkeley, Ernest O. Lawrence, invented the first crude cyclotron from shards of glass, wires and wax.
The scientists used Brookhaven's Cyclotron — a small accelerator dedicated to isotope production — to produce the nitrogen radiotracer, which was then introduced to the soil in a stream of air.
Michael Thoennessen, a professor and associate director of the National Superconducting Cyclotron Laboratory (NCSL) at Michigan State University in East Lansing believes that mentors can help young scientists by modeling the costs and rewards of persistence.
«Astronomers observe exploding stars and astrophysicists model them on supercomputers,» said Wrede, assistant professor of physics at MSU's National Superconducting Cyclotron Laboratory.
«We need something totally out of the box,» says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology in Cambridge, and co-spokesperson for the DAEδALUS collaboration, a proposal to generate beams of subatomic neutrinos using linked cyclotrons.
In this plan, near - stationary protons would be dumped in the center of a small cyclotron and accelerated by magnetic fields in spirals until they reached the cyclotron's outer edge.
The cyclotrons could not match the proton energies of Fermilab's proton accelerators, but, partly by operating at a higher power, they would generate a comparable number of antineutrinos per second, and so produce a similar amount of data.
At the end of a visit to the University of California at Berkeley in the 1930s, Segre took back to Sicily with him a few bits of an old cyclotron, no longer needed, that had been exposed to radiation during the lifetime of the machine.
After running cyclotron day and night for a month, Patin and company produced four atoms each of the new elements, enough to study how they decay.
Initially more promising data had come from studies of plutonium produced, microgram by microgram, in a cyclotron.
Invented the first cyclotron, an atom smasher that could fit in the palm of a hand.
Discovered in the form of six atoms produced in Russia's U400 cyclotron in April 2010, it is the fifth element added in the past decade.
We used Fourier - transform ion cyclotron resonance mass spectrometry and nuclear magnetic resonance spectroscopy to show that a sulfilimine bond -LRB-- S = N --RRB- crosslinks hydroxylysine - 211 and methionine - 93 of adjoining protomers, a bond not previously found in biomolecules.
In a series of famous experiments, Boyle used the air pump, which has been called «the cyclotron of its age,» to test basic scientific principles such as the relationship between a gas's pressure and its volume.
Built of wire and sealing wax in 1930 by a 29 - year - old physicist named Ernest Lawrence, the cyclotron, as it came to be called, had an accelerating chamber measuring just 4 inches across — about the size of a saucer.
In this project — «PROBE: PROton Beam Extension for Imaging and Therapy» project — a prototype will be built of a novel high - frequency linac that can boost the energy of protons from the 250 Mega-electron volts (MeV) available from conventional medical cyclotrons to 350 MeV, sufficient for imaging all patients.
Insiders say the most vulnerable are the National Accelerator Centre near Cape - town, home to a number of particle accelerators, including a powerful cyclotron used for medical, biological and physical research; Mossgas, the multi-billion rand project set up to beat oil sanctions by pumping natural gas ashore from beneath the Indian Ocean; and the Koeberg nuclear power plant at Melkbosstrand.
In a paper published in the Journal of Higher Education Outreach and Engagement, Michigan State University researchers from the National Superconducting Cyclotron Laboratory, the Joint Institute for Nuclear Astrophysics and the College of Education used an MSU program as a case study for why these programs are key to training tomorrow's generation of scientists.
From the Medical Research Council Cognition and Brain Sciences Unit (M.M.M., A.M.O.), the Impaired Consciousness Study Group, Wolfson Brain Imaging Centre, University of Cambridge (M.R.C.), and the Division of Academic Neurosurgery, Addenbrooke's Hospital (J.D.P.)-- all in Cambridge, United Kingdom; and the Coma Science Group, Cyclotron Research Center, University of Liege (A.V., M.B., S.L.), and the Departments of Neurology (S.L., M.B.) and Neuroradiology (L.T.), University Hospital of Liege, Liege; and Fonds de la Recherche Scientifique, Brussels (A.V., S.L., M.B.)-- all in Belgium.
This flickering typically oscillates at a 1/10 second period, which is equivalent to the ion cyclotron frequency (* 1) of oxygen ions.
Cyclotron resonance scattering creates telltale signatures in a star's spectrum of light and the presence of these patterns, called cyclotron lines, can provide information about the strength of the star's magnetic field — but only if the cause of the lines, whether it be protons or electrons, Cyclotron resonance scattering creates telltale signatures in a star's spectrum of light and the presence of these patterns, called cyclotron lines, can provide information about the strength of the star's magnetic field — but only if the cause of the lines, whether it be protons or electrons, cyclotron lines, can provide information about the strength of the star's magnetic field — but only if the cause of the lines, whether it be protons or electrons, is known.
A type of wave that can exist in a plasma (such as the region of space above Earth's aurora), which vibrates at an ion cyclotron frequency that corresponds to the ion type present (oxygen, helium, hydrogen, etc.).
Ion cyclotron frequency is the number of times per second that the electrons and ions circle around the field line.
Following a stint in the Air Force, I was approached by a physicist at Washington University in St. Louis named Michel Ter - Pogossian, who pioneered the use of short - lived radioactive cyclotron - produced isotopes in biology and medicine, which to most people was completely novel.
They visualized interference fringes and the pattern of flow of electron waves from a quantum point contact, made an imaging electron wave interferometer, and imaged magnetic focusing in GaAs / AlGaAs, and they have imaged the electron cyclotron orbit in graphene / hBN structures.
But Jerry Nickles and Jonathan Engle [the past and present directors of the campus PET Cyclotron Laboratory] are the best in the world at making chemically pure manganese chloride with determined radiological activity.
In a matter of months that gave way to the notion that maybe we could use these cyclotron isotopes to create an imaging device that could essentially do autoradiography of the human brain non-invasively.
The Holifield Radioactive Ion Beam Facility and its predecessors, the Oak Ridge Isochronous Cyclotron (ORIC) and the Holifield Heavy Ion Research Facility, supported five decades of nuclear physics and astrophysics research at ORNL.
Placed into operation in 1962, the ORIC was one of the world's first cyclotrons to exploit azimuthally varying field focusing.
We use a combination of experimental studies of collisional activation and dissociation of complex molecules in a Fourier transform ion cyclotron resonance mass spectrometer with RRKM modeling to determine the internal energy distribution of excited ions and the energetics and dynamics of dissociation for the ion of interest.
Especially from GX301 - 2, the cyclotron resonance feature is detected at about 37 keV, and width of 3... ▽ More We present an INTEGRAL observation of the Cen - Crux region in order to search the electron cyclotron resonance scattering features from the X-ray binary pulsars.
Cen X-3 was very dim during the observation and poor statistics disable us to detect the resonance features.These are first INTEGRAL results of searching for the cyclotron resonance feature.
Abstract: We present an INTEGRAL observation of the Cen - Crux region in order to search the electron cyclotron resonance scattering features from the X-ray binary pulsars.
Especially from GX301 - 2, the cyclotron resonance feature is detected at about 37 keV, and width of 3 — 4 keV.
In particular the influence of the electron cyclotron maser instability will be investigated.
J.A. Curtis, T. Tokumoto, A.T. Hatke, J.G. Cherian, J. L. Reno, S.A. McGill, D. Karaiskaj, D. J.Hilton, Cyclotron decay time of a two - dimensional electron gas from 0.4 to 100 K; Physical Review B, 93, 155437 (2015).
In a sequence of experiments carried out between 14th July 2003 and 10th August 2003 by the scientists from the ORNL, JINR, and LLNL at the JINR in Moscow, americium - 243 atoms were bombarded with calcium - 48 ions using a cyclotron [4].
He currently directs radiochemistry services and cyclotron operations and also manages the micro-Positron Emission Tomography imaging facility at the Wake Forest School of Medicine Positron Emission Tomography Research Center.
That spiral of magnets is known as a cyclotron.
Eschenbach in turn has taken to beating the drums for Duke cyclotron jock turned numerologist Nick Scaffeta, whose last DIY climate science paper referenced six of own his previous efforts, which is about a half dozen more citations than they have received elsewhere.
Earned recognition for creating the Factory Acceptance Test Procedure for the Eclipse HP / RD Cyclotron that was adopted and used by the company to demonstrate performance / reliability of the Radioisotope Delivery System.
Traveled extensively throughout the world and earned recognition for testing and installing approximately 80 Cyclotron units in 20 countries; provided comprehensive engineering and technical support for equipment at customer sites, performed acceptance testing of systems, and collected / documented accurate Cyclotron characterization data.
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