Science news articles about 'particle measurements'

... 0.05 percent. The exact mass of the particle measured by DZero is 80.401 +/- 0. ... de Moriond last Sunday. "This beautiful measurement illustrates the power of the Tevatron as a precision instrument ...

... with molecules in the atmosphere, they produce muons, negatively charged elementary particles that can be detected at ground level or underground. The rate of these muons detected by underground ...

... Northwest National Laboratory and Imre Consulting devised SPLAT II, a single particle mass spectrometer that provides extremely precise particle measurements.

... - or millionths of a millimetre. A human hair is 100,000 times thicker than a particle measuring one nanometre. Proponents hail nanotechnologies as the next industrial revolution, with the potential ...

... hydrochlorination of acetylene to vinyl chloride. Gold particles measuring less than 5 nanometers in diameter ... gold atoms arranged in two layers measuring about 0.5 nm in dimension. "This was the clue ...

... or analysis. The technique overcomes limitations inherent in two existing methods for manipulating particles measured on the scale of nanometers, or billionths of a meter. One of those techniques, ...

... be composed of different chemical components. Fine particles measure 2.5 microns or less in ... (ug/m3) increase in indoor coarse particle concentration, there was a 6 percent increase in the number of ...

... a method for coating metal surfaces with an ultrathin film containing nanoparticles - particles measuring billionths of a meter - which renders the metal resistant to corrosion and eliminates the use ...

... .1029/2008JD010732 3. Underground subatomic-particle measurements yield meteorological clues When high ... balance by absorbing sunlight. Fresh soot particles repel water and hence have little effect ...

Building on the idea of using DNA to link up nanoparticles - particles measuring mere billionths of a meter - scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have ...

Building on the idea of using DNA to link up nanoparticles -- particles measuring mere billionths of a meter -- scientists have designed a molecular assembly line for predictable, high-precision nano- ...