Kaone: differenze tra le versioni

Versione delle 12:59, 16 giu 2008

Versione delle 13:04, 16 giu 2008

Riga 20:

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| Kaone || <math>\mathrm{K_L^0}</math> || <math>\mathrm{K_L^0}</math> || <math>\mathrm{\frac{d\bar{s} + s\bar{d}}{\sqrt{2}}}</math> || 497,7 || +1 || 0 || 0 || 5,2&times;10^-8

|}

{| class="wikitable"

! Particle

! Symbol

! Anti-<br>particle

! [[Quark]]<br>Makeup

! [[Spin (physics)|Spin]] and [[Parity (physics)|parity]]

! [[Rest mass]]<br>[[electron volt|MeV]]/[[speed of light|c]]²

! [[strangeness|S]]

! [[charm (quantum number)|C]]

! [[bottomness|B]]

! [[Mean lifetime]]<br>[[second|s]]

! Decays to

! Notes

|-

| Charged <br>Kaon

| {{SubatomicParticle|Kaon+}}

| {{SubatomicParticle|Kaon-}}

| {{SubatomicParticle|Up Quark}}{{SubatomicParticle|Strange antiquark}} / {{SubatomicParticle|Strange Quark}}{{SubatomicParticle|Up antiquark}}

| Pseudoscalar

| 493.7

| +1

| 0

| 0

| 1.24&times;10^-8

| {{SubatomicParticle|Antimuon}} + {{SubatomicParticle|Muon neutrino}} <br/> or {{SubatomicParticle|Pion+}} + {{SubatomicParticle|Pion0}}

|-

| Neutral<br>Kaon

| {{SubatomicParticle|Kaon0}}

| {{SubatomicParticle|AntiKaon0}}

| {{SubatomicParticle|Down quark}}{{SubatomicParticle|Strange antiquark}} / {{SubatomicParticle|Strange quark}}{{SubatomicParticle|Down antiquark}}

| Pseudoscalar

| 497.7

| +1

| 0

| 0

| [[List of mesons#Notes on neutral kaons|weak decay]]

|

| [[Strong force|Strong]] [[eigenstate]] - no definite lifetime

|-

| K-Short

| {{SubatomicParticle|K-short}}

| {{SubatomicParticle|K-short}}

| <math>\mathrm{\frac{d\bar{s} + s\bar{d}}{\sqrt{2}}}</math>

| Pseudoscalar

| 497.7

| [[List of mesons#Notes on neutral kaons|(*)]]

| 0

| 0

| 0.89&times;10^-10

| {{SubatomicParticle|Pion+}} + {{SubatomicParticle|Pion-}} <br/>or 2{{SubatomicParticle|Pion0}}

| [[Weak force|Weak]] [[eigenstate]] - makeup is missing small [[CP violation|CP-violating]] term

|-

| K-Long

| {{SubatomicParticle|K-long}}

| {{SubatomicParticle|K-long}}

| <math>\mathrm{\frac{d\bar{s} - s\bar{d}}{\sqrt{2}}}</math>

| Pseudoscalar

| 497.7

| [[List of mesons#Notes on neutral kaons|(*)]]

| 0

| 0

| 5.2&times;10^-8

| {{SubatomicParticle|Pion+}} + {{SubatomicParticle|Electron}} + {{SubatomicParticle|Electron neutrino}}

| [[Weak force|Weak]] [[eigenstate]] - makeup is missing small [[CP violation|CP-violating]] term

|}