Combined analysis of meson channels with I=1, C=−1 from 1940 to 2410 MeV

Anisovich, A. V.; Baker, C.A.; Batty, C.J.; Bugg, D.V.; Montanet, L.; Nikonov, V. A.; Sarantsev, A.; Sarantsev, V.V.; Zou, B. S.

doi:10.1016/s0370-2693(02)02302-x

Cited by 52 publications

(76 citation statements)

References 11 publications

(9 reference statements)

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“…This follows precisely the lines described for I = 1, C = −1 [1][2][3]. In outline, partial wave amplitudes are described as a sum…”

Section: −−mentioning

confidence: 58%

“…As explained in the accompanying paper [3], the background may be estimated in a second way. Decays of the ω are enhanced near the edge of its Dalitz plot because of the momentum dependence of the matrix element for ω decay.…”

Section: −−mentioning

confidence: 99%

“…Vector and tensor polarisations of the ω are determined following the procedures described in the accompanying paper [3]. We discuss first results for the two-body final state ωη.…”

Section: −−mentioning

confidence: 99%

“…[5]; this radius is increased to 1.1 fm for higher partial waves. The spectroscopic notation is described in detail in the accompanying paper [3]. All triplet partial waves may couple in either thepp entrance channel or in the decay to orbital angular momentum L = J ± 1.…”

Section: −−mentioning

confidence: 99%

“…In order to recover that information, we present here new data where ω → π + π − π 0 . In these data, the polarisation of the ω is determined fully by the normal n to the decay plane of the ω, as explained in an accompanying paper on ωπ 0 and ωηπ 0 final states [3]. Data forpp → ωη have also been reported by Peters [4].…”

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confidence: 95%

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I=0, C=−1 mesons from 1940 to 2410 MeV

et al. 2002

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“…This follows precisely the lines described for I = 1, C = −1 [1][2][3]. In outline, partial wave amplitudes are described as a sum…”

Section: −−mentioning

confidence: 58%

Section: −−mentioning

confidence: 99%

“…Vector and tensor polarisations of the ω are determined following the procedures described in the accompanying paper [3]. We discuss first results for the two-body final state ωη.…”

Section: −−mentioning

confidence: 99%

Section: −−mentioning

confidence: 99%

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confidence: 95%

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I=0, C=−1 mesons from 1940 to 2410 MeV

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Hadrons and Chiral Symmetry

Cohen

2009

Nuclear Physics B - Proceedings Supplements

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These lectures discuss the question of whether a key feature is seen in hadron spectroscopy-the near degeneracy of hadrons with different parity and/or spin. It has been conjectured that this is due to an effective restoration of chiral symmetry. The conjecture is that while these states are, of course, in the symmetry-broken (NambuGoldstone) phase, as one goes higher in the spectrum the states become progressively less sensitive to the dynamics of chiral symmetry breaking. These lectures discuss the current status of this conjecture. The motivations for the conjecture are discussed, as is evidence-both theoretical and experimental-in its favor. Possible alternative explanations for the data are also discussed.

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Parity doubling in the meson spectrum

Swanson

2004

Physics Letters B

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A simple argument for the restoration of parity symmetry high in the hadron spectrum is presented. The restoration scale is estimated to be 2.5 GeV. This in turn implies that typical quark model phenomenology such as scalar confinement or the 3 P0 decay model are only useful for low lying states. Minimal requirements for constructing more general phenomenologies are discussed. An additional mass degeneracy between J ++ and J −− states is shown to occur and an isovector 3 ++ state is predicted at roughly 1700 MeV, in contradiction with the naive quark model. Similarly, isovector and isoscalar 4 −− states are predicted at 2000 MeV. Finally, these results imply that Regge trajectories must become nonlinear at high spin.

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Combined analysis of meson channels with I=1, C=−1 from 1940 to 2410 MeV

Cited by 52 publications

References 11 publications

I=0, C=−1 mesons from 1940 to 2410 MeV

I=0, C=−1 mesons from 1940 to 2410 MeV

Hadrons and Chiral Symmetry

Parity doubling in the meson spectrum

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