How To Use Gamma ray In A Sentence
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Iron-55 and cobalt-60 are highly radioactive, emitting gamma rays, but have short half-lives so that 50 years after closedown their hazard is much diminished.
Nuclear waste management
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Collisions between energetic particles and the solar atmosphere also produce neutrons and gamma rays.
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There are radio waves, microwaves, infrared light, visible light, ultraviolet light, X-rays and gamma rays, all of which form what is known as the ‘electromagnetic spectrum’.
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Data from gamma ray spectrometry can provide useful information on sediment provenance and environmental conditions.
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The two men inspected recently installed systems for checking passports and detecting stowaways on vehicles, including heartbeat sensors and gamma ray scanners.
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When a beam of such energetic electrons collides with an atom, gamma rays burst forth.
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Food irradiation uses gamma rays from cesium - 137 and cobalt - 60, which are capable of causing chemical changes in these foods.
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We would like to understand better the connection between gamma ray bursts and supernovae.
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The observations also reveal why ground-based gamma-ray telescopes, which detect even higher energy gamma rays as they zip through the Earth's atmosphere, have failed to observe gamma rays from this remnant: while many of these protons are produced in the giga-electronvolt energy range, very few are produced in the tera-electronvolt energy range.
PhysOrg.com - latest science and technology news stories
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Astronomers discovered through CGRO data that the center of our galaxy glows in gamma rays created by the annihilation of matter and antimatter.
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The one-inch window of visible light is derisorily tiny compared with the miles and miles of black cloth representing the invisible part of the spectrum, from radio waves at the hem of the skirt to gamma rays at the top of the head.
The God Delusion
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Gamma rays are high energy photons, often emitted together with beta or alpha radiations when the transformation has left the atom with excess energy.
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Both magnetars are part of the small group of objects called soft gamma-ray repeaters, because they repeatedly experience much weaker outbursts of gamma rays.
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The decaying atoms emit positrons, which encounter electrons and are annihilated, releasing pairs of gamma rays.
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One hundred plump seeds were irradiated with 35 krad gamma rays.
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For half a minute, the burst outshone the gamma rays from all the rest of the universe.
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Materials of high atomic energy may exhibit photoelectric absorption, the energy of gamma rays is then transferred to an electron, which is then ejected from the atomic shield.
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His work on the penetration of gamma rays published in 1953 in the Physical Review is used in the design of nuclear reactors and radiation shields: -
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Because the two gamma rays are emitted simultaneously and in different directions, their paths can be traced back to locate the emitting atom precisely at the point of crossing.
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Other types of detectors, like those that use a semiconducting material, are slower but provide more data about the gamma rays they pick up.
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The idea, in both the military and medical applications, is to use gamma rays to search for signs of radiation.
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But the very same atmosphere is opaque in most frequencies of far infrared, ultraviolet, x-rays and gamma rays.
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Gamma rays are the most energetic of all electromagnetic radiation, and we have little experience with them in everyday life.
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The neutron bombardment transforms certain isotopes of the elements into radioactive species which then emit gamma rays.
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Gamma ray bursts are the biggest explosions in the Universe, and studying them is a great amount of fun.
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Often, the two satellites have observed the same celestial object simultaneously, to gain a more complete record of the object's behaviour at gamma ray and X-ray wavelengths.
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Nor could you know whether it has an electromagnetic field or whether it is strongly emitting gamma rays, X rays, ultraviolet radiation, microwaves, or radio waves.
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Blau's help, though, was indispensable to Wambacher in completing her dissertation on the impact of photographic desensitizers to the imprints of alpha, beta, and gamma rays on photographic plates. 16 In 1931, Wambacher published her work in the Mitteilungen, arguing mainly that the organic dye pinakryptol yellow functioned as a desensitizer on photographic emulsions while the effect was smaller with chromic acid. 17
Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna
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Yellowstone could erupt, The San Andreas fault could go, we copuld get hit by a rock from space or a gamma ray burster.
The End-of-the-World Survival Kit
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During the initial nuclear radiation mostly Gamma rays are emitted from the fireball.
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They decided that the mysterious emanation must consist of gamma rays, the third form of radiation produced by radioactive decay.
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Tune into gamma rays, and see titanic explosions scattered throughout the universe at a rate of about one per day.
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They annihilate each other completely and the resultant energy is high end gamma ray radiation.
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Nuclear medicine is a diagnostic process whereby a patient is injected with a radioisotope that emits gamma rays.
Times, Sunday Times
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However, these stars had never been observed to emit outbursts of gamma rays.
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The detection of hydrogen is based both on the intensity of gamma rays emitted by hydrogen, and by the intensity of neutrons that are moderated by hydrogen.
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He has no memory of the terrible events that lie buried in his childhood - until he absorbs a massive dose of gamma rays and miraculously lives to tell the tale.
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The launch date for NASA's Swift satellite - designed to detect and analyse gamma ray bursters - has been delayed thanks to a faulty third stage rocket on an unrelated launch.
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These blazars emit gamma rays, but not all of them reach Earth.
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This action causes the solar atmosphere to sizzle with high-energy X-rays and gamma rays and accelerate proton and electron particles into the solar system.
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As a test sample, the IBM team created a dilute system of single electron spins by irradiating a block of glass with a weak beam of gamma rays.
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Food irradiation uses gamma rays from cesium - 137 and cobalt - 60, which are capable of causing chemical changes in these foods.
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The jets contain relativistic winds that interact and collide, creating shock waves and emitting high-energy X-rays and gamma rays.
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I could see the radio waves, microwaves, gamma rays, and other optical and non-optical radiation that black holes naturally give off.
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The radioactive glucose emits gamma rays which are then detected by the scanner.
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Just as an excited atom can dispose of its excess energy by emitting x rays, an excited nucleus can emit gamma rays.
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In this model the gamma rays are emitted as synchrotron radiation by electrons that are accelerated to much lower energies.
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Fresh soil samples, taken recently in the presence of journalists, are currently being investigated for gamma rays and alpha particles.
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The isotope source gives off photons, usually Gamma rays, which radiate back to the meter's detectors on the bottom of the unit.
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But they are still being created in the heart of the hottest, most energetic regions in the Universe, such as supernovae, gamma ray bursts, quasars and even stars like our Sun.
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Gamma rays are high energy photons, often emitted together with beta or alpha radiations when the transformation has left the atom with excess energy.
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If one of the jets happens to point towards Earth, astronomers see a "blazar" - literally, a blaze of radiation at energies all the way up to the highest detectable gamma rays.
Physicsworld.com: all content
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Strictly speaking, it is not possible to absorb gamma rays completely.
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The frequency of gamma rays is far too high and that of radio waves is far too low to interact with these kinds of vibrations.
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The relative gamma ray emission probabilities of 87 Kr were measured by HPGe detector.
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When a positron encounters an electron, the two annihilate each other and are converted to two gamma rays, which can easily be detected and localized in the brain.
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This complementary data is also helping astronomers identify the celestial object that is releasing the gamma rays and allow it to be more fully analysed.
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The positronium in this proposed rocket would be shuttled from the fuel tank to the engine core, where it annihilates, producing two gamma rays that evaporate silicon carbide from the nearby surface.
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Quote: I'm going to speculate we cannot see/detect the gamma rays until they are so far out, because they are exceeding the speed of ligh
World-wide Campaign Sheds New Light on Nature's "LHC" | Universe Today
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Certain rare stars, type 11 stars, are core-collapse hypernova that generate deadly gamma ray bursts (GRBs).
RO.RSS
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It functions as what physicists call a calorimeter, measuring the total energy of the deposited gamma rays.
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Electrons from the tissue combine with positrons from the radioactive tracer to produce gamma rays (similar to x-rays).
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It is these materials that emit gamma rays, high energy radiation that can pass right through your skin.
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When a beam of such energetic electrons collides with an atom, gamma rays burst forth.
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On the contrary, gamma rays are uncharged particles: they are not deflected by magnetic fields and follow a straight path to Earth.
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The radiation emitted by these isotopes consists of alpha particles, beta particles, and gamma rays.
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Gamma ray bursts last only from a few milliseconds to about one minute.
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The burst of gamma rays and X-rays even disturbed the Earth's ionosphere, causing a sudden disruption in some radio communications.
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Its decay produces gamma rays with energies of a trillion electronvolts.
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Because gamma rays are hard to focus into sharp images, the science team then used the X-ray telescope on Swift to determine a precise location.
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A concentration of ‘Class B’ cigarettes of that magnitude would have surely transformed me in that first deep draught of their gamma ray smoke.
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In this model the gamma rays are emitted as synchrotron radiation by electrons that are accelerated to much lower energies.
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The paper introduces system structure, gamma ray testing, core location, sample depth emendation and so on.
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As Vitaly Fedchenko explains in this excellent article environmental samples are first screened by the IAEA using high resolution gamma ray spectrometry to detect radioactive particles-and that ain't much help in looking for magnox alloy.
ArmsControlWonk
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Unlike in the earlier experiments, the team recorded gamma rays, a revealing product of fusion reactions.
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One of the unique properties of positrons is that as soon as they make contact with electrons they annihilate to produce gamma rays.
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For crying out loud, at the box office right now, I'm sure Shyamalan's film will be defeated by another fantastical movie that expects its audience to believe that exposure to gamma rays can turn an ordinary man into a hulky green hybrid monster!
So, Mother Earth Doesn't Like Us Anymore: My Review of The Happening (Spoilers)
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My point is that the gamma ray observations would be conclusive proof of the hypernova scenario.
Superbright Supernova First Observed of Antimatter Variety | Universe Today
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During the initial nuclear radiation mostly Gamma rays are emitted from the fireball.
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Radiotherapy involves the exposure of parts of the body to radiation, beams of high-energy X-rays, gamma rays or particles.
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The paper introduces system structure, gamma ray testing, core location, sample depth emendation and so on.
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Technetium-99m decays by a process called "isomeric"; which emits gamma rays and low-energy electrons.
Radioisotopes in medicine
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Gamma rays are a form of electromagnetic radiation, just like visible light or x rays, but with a much higher energy.
