About 546,000 results
Open links in new tab
  1. Neutron - Wikipedia

    Free neutron beams are obtained from neutron sources by neutron transport. For access to intense neutron sources, researchers must go to a specialized neutron facility that operates a …

  2. Neutron | Definition, Charge, Mass, Properties, & Facts | Britannica

    Dec 28, 2025 · neutron, neutral subatomic particle that, in conjunction with protons, makes up the nucleus of every atom except ordinary hydrogen (whose nucleus has one proton and no …

  3. DOE Explains...Neutrons - Department of Energy

    Fast Facts The neutron was first discovered in 1932. All around us is a faint, natural “background” of free neutrons created by cosmic rays entering our atmosphere and by natural radioactivity …

  4. Neutrons: Facts about the influential subatomic particles

    Dec 4, 2022 · Specifically, a neutron contains one 'up' and two 'down' quarks. Particles made from three quarks are called baryons, and hence baryons contribute to all the baryonic 'visible' …

  5. Science Made Simple: What Are Neutrons? - SciTechDaily

    Jun 10, 2023 · Neutrons, subatomic particles found in every atom except hydrogen, are used in scientific research for nondestructive analysis of materials through a method called neutron …

  6. The Neutron - The Pasayten Institute

    Given that a neutron decays in the time it takes to drink a cup of coffee, you might wonder why we have any neutrons left in the universe. Suffice it to say, neutrons are like cattle.

  7. Neutron - Wikiwand

    A neutron is a subatomic particle, symbol n or n0, that has no electric charge, and a mass slightly greater than that of a proton. The neutron was discovered by...

  8. Neutrons - GeeksforGeeks

    Jul 23, 2025 · Neutron, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen. Neutrons and protons are together termed nucleons since they …

  9. What is Neutron | Definition & Properties | nuclear-power.com

    A neutron is one of the subatomic particles that make up matter. The neutron has no electric charge and a rest mass equal to 1.67493E−27 kg — marginally greater than that of the proton …

  10. NEUTRON Definition & Meaning - Merriam-Webster

    The meaning of NEUTRON is an uncharged elementary particle that has a mass nearly equal to that of the proton and is present in all known atomic nuclei except the hydrogen nucleus.