Sentences with phrase «antimatter asymmetry»

«There are many ways to test for matter / antimatter asymmetry, and there are more precise tests, but in addition to precision, it's important to test it in qualitatively different ways.

«It produces the matter / antimatter asymmetry in the early universe and it aligns the direction of the spin and the charge axis in these pear - shaped nuclei.»

This «uneven mixing» gets transferred to the particles produced when B mesons decay, but alone is not big enough to explain the observed matter - antimatter asymmetry.

Two international collaborations have announced definitive answers to one small piece of the universe's matter - antimatter asymmetry problem

Ultimately, such a particle could also help resolve the mystery of the origin of dark matter and the matter / antimatter asymmetry in the universe.

DAEδALUS is now emerging as a lower - cost alternative to test for matter — antimatter asymmetry.

«This result won't explain all of the matter - antimatter asymmetry,» says Val Gibson at the University of Cambridge, «but it could indicate new physics.»

Not exact matches

B mesons are important because, as they decay into other, more ordinary particles, they display a slight asymmetry: The antimatter versions tend to decay more readily into matter than the reverse.

The team has begun running the experiment with antineutrinos to rule out other possibilities, such as a slight asymmetry between matter and antimatter.

Such a process «creates asymmetry between matter and antimatter,» says physicist Giorgio Gratta of Stanford University, who works on the EXO - 200 neutrinoless double beta decay experiment.

Interactions of Higgs bosons and anti-Higgs in the early universe may also have caused the observed asymmetry between matter and antimatter

If there is asymmetry between matter and antimatter, the shape of these oscillations would take on a characteristic pattern — and there would be no need for the experiment to run separately with a beam of neutrinos.

NOT SYMMETRIC The LHCb experiment, shown above, has detected hints of an asymmetry between matter and antimatter in decays of particles known as lambda - b baryons.

It would also imply a fundamental asymmetry between matter and antimatter that would go some way toward explaining why the universe today contains far more matter than antimatter, even though equal amounts of each should have been made in the big bang.

Physicists working with PEP - II and a competing machine known as KEKB, at the Japanese laboratory KEK in Tsukuba, have studied decays of a couple billion B mesons to probe an asymmetry between matter and antimatter known as CP violation.

Those particles are particularly fruitful to study because they can be used to probe a very slight asymmetry between matter and antimatter called charge - parity violation, which had only been seen before in particles called K mesons.

Yet today, antimatter is rare in the universe, leading physicists to search for minute violations of the known laws of physics that could explain the asymmetry.

«The asymmetry of matter and antimatter in the universe is one of the most important outstanding problems with the Big Bang theory, which is otherwise very successful,» said Joel Fajans, a professor of physics at the University of California, Berkeley, and a leader of the experiment.

The result completes a conceptual picture of neutrinos and paves the way for experiments that would search for an asymmetry between the behavior of neutrinos and antineutrinos and could help explain why the universe contains so much matter and so little antimatter.

The small asymmetry is thought to be at least partly responsible for the fact that matter outlives antimatter in our universe.

For example, it implies that there could be a slight asymmetry between neutrinos and antineutrinos — called CP violation — a slight asymmetry that might help explain why the universe evolved to contain so much matter and so little antimatter.

Because such atoms are very cold and sluggish, the team hopes to study them long enough to probe the fundamental asymmetries between matter and antimatter.