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antineutron's Usage Examples:

The antineutron consists of one up antiquark and two down antiquarks.

molecule, is a mirror-image, but also built from antimatter (antiprotons, antineutrons, and positrons).

so studying antineutrons provides stringent tests on CPT-symmetry.

The fractional difference in the masses of the neutron and antineutron is (9±6)×10−5.

and they are distinguishable from one another because neutrons and antineutrons annihilate each other upon contact.

and neutrons, made of three quarks; and even copious antiprotons and antineutrons, which may combine to form the nuclei of antiatoms as heavy as helium.

The antineutron was discovered soon thereafter by Oreste Piccioni and co-workers, also.

In 1970, he proposed neutron/antineutron oscillations as a possibility for observing violation of baryon number.

) Antiprotons can and do annihilate with neutrons, and likewise antineutrons can annihilate with protons, as discussed below.

But in those hypothetical extensions of the Standard Model which include interactions that do not strictly conserve baryon number, neutron–antineutron oscillations are predicted to occur.

Cosmic rays collide with atoms in the upper atmosphere creating antineutrons, which in turn decay to produce the antiprotons.

This is because the antineutron is composed of antiquarks, while neutrons are composed of quarks.

Existence of the antineutron is experimentally confirmed by University of California, Berkeley physicist.