Difference between revisions of "Template:List of mesons"
imported>Omnissiahs hierophant m (→Pseudoscalar mesons: "a" -> "an". this must be my last edit. . .) |
imported>Omnissiahs hierophant (→Pseudoscalar mesons: according to User:Cuzkatzimhut this is not so, so I am undoing my edits) |
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| style="text-align:center;" | {{Subatomic particle|link=yes|Pion0}} | | style="text-align:center;" | {{Subatomic particle|link=yes|Pion0}} | ||
| style="text-align:center;" | Self | | style="text-align:center;" | Self | ||
| − | | style="text-align:center;" | <math>\mathrm{\tfrac{u\bar{u} - d\bar{d}}{\sqrt{2}}}\,</math><sup>{{ref|quarkcontent|[a | + | | style="text-align:center;" | <math>\mathrm{\tfrac{u\bar{u} - d\bar{d}}{\sqrt{2}}}\,</math><sup>{{ref|quarkcontent|[a]}}</sup> |
| style="text-align:center;" | {{sort|0134.9766|{{val|134.9766|0.0006}}}} | | style="text-align:center;" | {{sort|0134.9766|{{val|134.9766|0.0006}}}} | ||
| style="text-align:center;" | 1<sup>−</sup> | | style="text-align:center;" | 1<sup>−</sup> | ||
| Line 47: | Line 47: | ||
| style="text-align:center;" | {{Subatomic particle|link=yes|Eta}} | | style="text-align:center;" | {{Subatomic particle|link=yes|Eta}} | ||
| style="text-align:center;" | Self | | style="text-align:center;" | Self | ||
| − | | style="text-align:center;" | {{nowrap|<math>\mathrm{\tfrac{u\bar{u} + d\bar{d} - 2s\bar{s}}{\sqrt{6}}}\,</math><sup>{{ref|quarkcontent|[a | + | | style="text-align:center;" | {{nowrap|<math>\mathrm{\tfrac{u\bar{u} + d\bar{d} - 2s\bar{s}}{\sqrt{6}}}\,</math><sup>{{ref|quarkcontent|[a]}}</sup>}} |
| style="text-align:center;" | {{sort|0547.853|{{val|547.853|0.024}}}} | | style="text-align:center;" | {{sort|0547.853|{{val|547.853|0.024}}}} | ||
| style="text-align:center;" | 0<sup>+</sup> | | style="text-align:center;" | 0<sup>+</sup> | ||
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| style="text-align:center;" | {{Subatomic particle|link=yes|Eta prime}}(958) | | style="text-align:center;" | {{Subatomic particle|link=yes|Eta prime}}(958) | ||
| style="text-align:center;" | Self | | style="text-align:center;" | Self | ||
| − | | style="text-align:center;" | <math>\mathrm{\tfrac{u\bar{u} + d\bar{d} + s\bar{s}}{\sqrt{3}}}\,</math><sup>{{ref|quarkcontent|[a | + | | style="text-align:center;" | <math>\mathrm{\tfrac{u\bar{u} + d\bar{d} + s\bar{s}}{\sqrt{3}}}\,</math><sup>{{ref|quarkcontent|[a]}}</sup> |
| style="text-align:center;" | {{sort|0957.66|{{val|957.66|0.24}}}} | | style="text-align:center;" | {{sort|0957.66|{{val|957.66|0.24}}}} | ||
| style="text-align:center;" | 0<sup>+</sup> | | style="text-align:center;" | 0<sup>+</sup> | ||
| Line 130: | Line 130: | ||
| style="text-align:center;" | {{Subatomic particle|link=yes|K-short0}} | | style="text-align:center;" | {{Subatomic particle|link=yes|K-short0}} | ||
| style="text-align:center;" | Self | | style="text-align:center;" | Self | ||
| − | | style="text-align:center;" | <math>\mathrm{\tfrac{d\bar{s} - s\bar{d}}{\sqrt{2}}}\,</math><sup>{{ref|Kaon|[e | + | | style="text-align:center;" | <math>\mathrm{\tfrac{d\bar{s} - s\bar{d}}{\sqrt{2}}}\,</math><sup>{{ref|Kaon|[e]}}</sup> |
| style="text-align:center;" | {{sort|0497.614|{{val|497.614|0.024}}}}<sup>{{ref|Kaonmass|[d]}}</sup> | | style="text-align:center;" | {{sort|0497.614|{{val|497.614|0.024}}}}<sup>{{ref|Kaonmass|[d]}}</sup> | ||
| style="text-align:center;" | {{frac|1|2}} | | style="text-align:center;" | {{frac|1|2}} | ||
| Line 144: | Line 144: | ||
| style="text-align:center;" | {{Subatomic particle|link=yes|K-long0}} | | style="text-align:center;" | {{Subatomic particle|link=yes|K-long0}} | ||
| style="text-align:center;" | Self | | style="text-align:center;" | Self | ||
| − | | style="text-align:center;" | <math>\mathrm{\tfrac{d\bar{s} + s\bar{d}}{\sqrt{2}}}\,</math><sup>{{ref|Kaon|[e | + | | style="text-align:center;" | <math>\mathrm{\tfrac{d\bar{s} + s\bar{d}}{\sqrt{2}}}\,</math><sup>{{ref|Kaon|[e]}}</sup> |
| style="text-align:center;" | {{sort|0497.614|{{val|497.614|0.024}}}}<sup>{{ref|Kaonmass|[d]}}</sup> | | style="text-align:center;" | {{sort|0497.614|{{val|497.614|0.024}}}}<sup>{{ref|Kaonmass|[d]}}</sup> | ||
| style="text-align:center;" | {{frac|1|2}} | | style="text-align:center;" | {{frac|1|2}} | ||
Revision as of 15:13, 23 August 2020
Pseudoscalar mesons
[a] ^ Makeup inexact due to non-zero quark masses.
[b] ^ PDG reports the resonance width (Γ). Here the conversion τ = ħ⁄Γ is given instead.
[c] ^ Strong eigenstate. No definite lifetime (see kaon notes below)
[d] ^ The mass of the Template:Subatomic particle and Template:Subatomic particle are given as that of the Template:Subatomic particle. However, it is known that a difference between the masses of the Template:Subatomic particle and Template:Subatomic particle on the order of Template:Val exists.[10]
[e] ^ Weak eigenstate. Makeup is missing small CP–violating term (see notes on neutral kaons below).
[s] ^ The particles quark composition is in an entangled superposition. The formula given is for the quantum state.
Vector mesons
[f] ^ PDG reports the resonance width (Γ). Here the conversion τ = ħ⁄Γ is given instead.
[g] ^ The exact value depends on the method used. See the given reference for detail.
[s] ^ The particles quark composition is in an entangled superposition. The formula given is for the quantum state.
Notes on neutral kaons
There are two complications with neutral kaons:[29]
- Due to neutral kaon mixing, the Template:Subatomic particle and Template:Subatomic particle are not eigenstates of strangeness. However, they are eigenstates of the weak force, which determines how they decay, so these are the particles with definite lifetime.
- The linear combinations given in the table for the Template:Subatomic particle and Template:Subatomic particle are not exactly correct, since there is a small correction due to CP violation. See CP violation in kaons.
Note that these issues also exist in principle for other neutral flavored mesons; however, the weak eigenstates are considered separate particles only for kaons because of their dramatically different lifetimes.[29]
References
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ 10.0 10.1 C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ 18.0 18.1 C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle(782)
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – J/Ψ
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle(1S)
- ↑ 23.0 23.1 C. Amsler et al. (2008): Particle listings – Template:Subatomic particle(892)
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle(2010)
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle(2007)
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ 27.0 27.1 C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ C. Amsler et al. (2008): Particle listings – Template:Subatomic particle
- ↑ 29.0 29.1 J.W. Cronin (1980)