Sentences with phrase «ultrahigh energy»

Upper Limit on the Diffuse Flux of Ultrahigh Energy Tau Neutrinos from the Pierre Auger Observatory

In the Oct. 14 SN: 2017's scientists to watch, duel over a real - life Brienne of Tarth, the origin of ultrahigh energy cosmic rays, long - lasting spheres of color, watermelon snow's downside, support for the Unruh effect, polite robots and more.

ORIGIN STORY Ultrahigh energy cosmic rays may travel hundreds of millions of light - years to reach detectors on Earth, a new study shows.

Using a giant array of tubs of water, scientists found that these ultrahigh energy cosmic rays mostly originate outside the Milky Way.

The observatory caught 30,000 ultrahigh energy cosmic rays between January 1, 2004, and August 31, 2016.

These jets «are one of the most promising candidate sources of ultrahigh energy cosmic rays,» Murase says.

Scientists have been unable to figure out the origins of the three types of particles — gamma rays that give a background glow to the universe, cosmic neutrinos and ultrahigh energy cosmic rays.

Scientists have been unable to figure out the origins of the three types of particles — gamma rays that give a background glow to the universe, cosmic neutrinos and ultrahigh energy...

When cosmic rays — spacefaring protons or atomic nuclei — smash into the atmosphere at ultrahigh energies, they launch a cascade of many other types of particles, including muons.

It has been speculated that these sources may provide a potential environment where cosmic - rays can be accelerated to ultrahigh energies provided there are magnetic fields and disk debris remaining from the formation of the black holes.

Not exact matches

Positrons (antielectrons) meet up with electrons and annihilate each other, releasing ultrahigh - energy gamma rays.

New model connects the origins of very high - energy neutrinos, ultrahigh - energy cosmic rays, and high - energy gamma rays with black - hole jets embedded in their environments.

Murase and the first author of this new paper, Ke Fang, a postdoctoral associate at the University of Maryland, attempt to explain the latest multi-messenger data from very high - energy neutrinos, ultrahigh - energy cosmic rays, and high - energy gamma rays, based on a single but realistic astrophysical setup.

«Our work demonstrates that the ultrahigh - energy cosmic rays escaping from active galactic nuclei and their environments such as galaxy clusters and groups can explain the ultrahigh - energy cosmic - ray spectrum and composition.

«The fact that the measured intensities of very high - energy neutrinos, ultrahigh - energy cosmic rays, and high - energy gamma rays are roughly comparable tempted us to wonder if these extremely energetic particles have some physical connections.

Ultrahigh - energy cosmic rays are the most energetic particles in the universe — each of them carries an energy that is too high to be produced even by the Large Hadron Collider, the most powerful particle accelerator in the world.

So far, says Paul Mantsch, a physicist and project manager at Auger, the observatory has seen about 50 of these ultrahigh - energy cosmic rays.

In 2007 astronomers working at Auger traced some of the ultrahigh - energy cosmic rays to nearby active galactic nuclei, the turbulent centers of violent galaxies.

The ultrathin high - Tc superconductor would effectively contribute to the significant down - sizing and consequent high - density integration in electric circuits, leading to the realization of future - generation electronic devices with high energy - saving and ultrahigh - speed operation.

A new study proposes that ultrahigh - energy particles from space may have violent local origins, but not all observations are in agreement

Circling the South Pole, ANITA's antennas will scan a million cubic kilometers of ice at a time, looking for the telltale radio waves emitted when an ultrahigh - energy neutrino hits a nucleus in ice.

These neutrinos are thought to result from ultrahigh - energy cosmic rays crashing into the low - energy invisible photons left over from the Big Bang that still suffuse all of space.

The Pierre Auger Cosmic Ray Observatory is netting signals from the most energetic particles in the universe: ultrahigh - energy cosmic rays, which slam into the atmosphere at speeds no accelerator can match, sparking air showers of subatomic particles and ultraviolet light.

To identify the location of each element with atomic precision, the researchers used a method in which the electron beam of one of the world's leading ultrahigh - resolution electron microscopes is finely focused, sent through the specimen and, by interactions with the specimen, loses part of its energy.

Related paper: Ultrahigh - energy neutrino follow - up of gravitational wave events GW150914 and GW151226 with the Pierre Auger Observatory A. Aab et al. (Pierre Auger Collaboration), Phys.

With the surface detector of Auger we have searched for ultrahigh - energy neutrinos in temporal and spatial coincidence with such remarkable events.

Such a system may also emit ultrahigh - energy gamma - rays and neutrinos.

When an ultrahigh - energy cosmic ray impacts the Earth's atmosphere, it can generate an enormous cascade of billions of energetic particles capable of reaching the ground.