Meenal Meshram posted an Question
February 03, 2022 • 23:47 pm 30 points
  • Biotechnology (BT)

Important properties of strong nuclear force

Impoertant Properties of Strong Nuclear Force Here what is the meaning of pi-mesons ?

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  • Priya sarda best-answer

    In particle physics, a pion is any of three subatomic particles: π⁰ , π⁺ , and π⁻ . Each pion consists of a quark and an antiquark and is therefore a meson. Pions are the lightest mesons and, more generally, the lightest hadrons.  Composition: ; π+: u; d; π0: u; u; or; d; d; π−: d; u Mass: ; π±: 139.57039(18) MeV/c2; π0: 134.9768(5) MeV/c2; Interactions: Strong, weak, electromagnetic, and gravity Spin: 0 Types: 3 Parity: -1 Mean lifetime: π±: 2.6×10−8 s: π0: 8.5×10−17 s Three types of mesons are produced: a neutral form, a positive form, and a negative form. It is the negative form, π−, that is used for radiotherapy.


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