Sentences with phrase «of nuclear reactions»

But direct measurements of these nuclear reactions are extremely difficult because they occur at a tiny rate in the laboratory.

The role demands sound knowledge of nuclear chamber and process of nuclear reactions.

These particles are byproducts of nuclear reactions within stars (including our sun), supernovae, black holes and human - made nuclear reactors.

A similar concept was introduced in the field of nuclear reactions by Niels Bohr 60 years ago.

In the 1960s, physicist Ray Davis, working deep underground in the Homestake gold mine in South Dakota, found that the flux of solar neutrinos hitting Earth was a third of that predicted by calculations of the nuclear reactions in the Sun by theorist John Bahcall.

These antineutrino particles are byproducts of nuclear reactions within stars (including our sun), supernovae, black holes and human - made nuclear reactors.

From calculations of the nuclear reactions that occurred in the big bang, theorists can calculate the number density of neutrinos in the Universe.

According to the standard models, most of the nuclear reactions of the proton - proton chain occur slightly farther out, at about 10 per cent of the solar radius.

«SHE - Factory will allow experiments with a sensitivity of approximately 100 times higher than what we have today,» says Yuri Oganessian, scientific leader of the Flerov Laboratory of Nuclear Reactions at the Joint Institute for Nuclear Research in Dubna.

The combination of their individual talents — Knight's marketing, Bowerman's commitment to athletic excellence, and Johnson's energetic salesmanship — with the growing national awareness of physical fitness had the power of a nuclear reaction.

Their theory, known as Big Bang Nucleosynthesis, included detailed predictions of how much of each element would have been produced in the roughly three minutes of nuclear reactions.

That means that strong bolts of lightning can unleash the same flurry of nuclear reactions as cosmic rays, the researchers report today in Nature.

«Once FRIB comes online, we will be able to measure many more of the nuclear reactions that affect exploding stars.»

Hence, while it is not absolutely possible to rule out the occurrence of nuclear reactions inside a pulsating bubble on the basis of the present knowledge, the actual occurrence of such reactions is, to say the least, doubtful.»

«If one is to consider the possibility of nuclear reactions produced by sonoluminescence, it is helpful first to consider some simple physics, particularly the energy levels associated with these various systems.

The aerogel collector also gathered microscopic interstellar dust that may have traveled from other galaxies, which could offer researchers a glimpse of the nuclear reactions in distant stars.

According to Isao Tanihata, head of the Linearc Laboratory at Japan's Institute of Physical and Chemical Research, the answer is that more boron was created than theorists expected because of a nuclear reaction between lithium and helium in the big bang fireball.

Neutrinos, which have no charge and very little mass, form out of nuclear reactions and particle decays.

In the catastrophic events leading to a supernova explosion and for roughly 1,000 seconds thereafter, a great variety of nuclear reactions can take place.

If successful, this new extension would enable the accurate prediction of nuclear reactions leading to the emission of three particles that are difficult to measure or simply inaccessible to experiment, but play a fundamental role in explaining the inner workings of the universe or are critical to the national security.

Most of these stars are not massive enough to get temperatures high enough to burn anything beyond hydrogen, but the most massive stars will undergo a series of nuclear reactions burning elements all they way up to iron.

But according to Morrison, such a change could come about only if the temperature of the core of the Sun changed, altering the rate of the nuclear reactions.

Aug. 7, 2017 - Most of the nuclear reactions that drive the nucleosynthesis of the elements in our universe occur in very extreme stellar plasma conditions.

Steve Mirsky: And you talk about how it's possible that because neutrinos are an inevitable byproduct of nuclear reactions, they could be used to figure out if somebody is running nuclear facilities on the sly.

Their model simulations support the theory, showing that fast rotation mixes material inside a star, boosting the rate of nuclear reactions that produce...