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Merten, D.; Ricken, Ralf; Koll, Matthias; Metsch, B.; Petry, Herbert R.

doi:10.1007/s10050-002-8778-1

Cited by 43 publications

(97 citation statements)

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“…Similar results for hadronic decay widths with practically the same characteristics were also seen in another relativistic study [10,11]. This is remarkable, since the latter investigation was carried out along a completely different approach using the Bethe-Salpeter equation [12,13].…”

Section: Introductionsupporting

confidence: 85%

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Quark-model identification of baryon ground and resonant states

2008

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We present a new classification scheme of baryon ground states and resonances into SUð3Þ flavor multiplets. The scheme is worked out along a covariant formalism with relativistic constituent quark models and it relies on detailed investigations of the baryon spectra, the spin-flavor structure of the baryon eigenstates, the behavior of their probability density distributions as well as covariant predictions for mesonic decay widths. The results are found to be quite independent of the specific types of relativistic constituent quark models employed. It turns out that a consistent classification requires one to include also resonances that are presently reported from experiments with only two-star status.

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Section: Introductionsupporting

confidence: 85%

“…(12). This specific property is favorable for a unified description of all light and strange baryon ground and resonance states.…”

Section: B Goldstone-boson-exchange Rcqmmentioning

confidence: 96%

Quark-model identification of baryon ground and resonant states

2008

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“…In addition we calculate the transition Λ c → Λ. The Λ c has been calculated using also a phenomenological extension of 't Hooft's force to charmed quarks as has been done for mesons before [5]. This is done to keep the model simple and universal.…”

Section: General Remarksmentioning

confidence: 99%

Semileptonic decays of baryons in a relativistic quark model

Migura¹,

Merten²,

Metsch³

et al. 2006

Eur. Phys. J. A

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Abstract. We calculate semileptonic decays of light and heavy baryons in a relativistically covariant constituent quark model. The model is based on the Bethe-Salpeter-equation in instantaneous approximation. It generates satisfactory mass spectra for mesons and baryons up to the highest observable energies. Without introducing additional free parameters we compute on this basis helicity amplitudes of electronic and muonic semileptonic decays of baryons. We thus obtain form factor ratios and decay rates in good agreement with experiment.

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“…Nucleon models built upon basic assumptions and with a small number of free parameters include the semibosonized SU(3) Nambu-Jona-Lasinio model [32] and relativistic constituent quark models [33]. They are, in general, not able to provide a satisfactory description of all form factors, a fact which underlines the lack of understanding of the structure of the nucleon.…”

Section: Nucleon Modelsmentioning

confidence: 99%

MEASUREMENT OF THE ELECTRIC FORM FACTOR OF THE NEUTRON AT Q² = 0.6 – 0.8 (GEV/C)²

Seimetz¹

2003

Baryons 2002

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Abstract. The electric form factor of the neutron, GE,n, has been measured at the Mainz Microtron by recoil polarimetry in the quasielastic D( e, e ′ n)p reaction. Three data points have been extracted at squared four-momentum transfers Q 2 = 0.3, 0.6 and 0.8 (GeV/c) 2 . Corrections for nuclear binding effects have been applied. PACS. 13.40.Gp Electromagnetic form factors -14.20.Dh Protons and neutrons -13.88.+e Polarisation in interactions and scattering

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Cited by 43 publications

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Quark-model identification of baryon ground and resonant states

Quark-model identification of baryon ground and resonant states

Semileptonic decays of baryons in a relativistic quark model

MEASUREMENT OF THE ELECTRIC FORM FACTOR OF THE NEUTRON AT Q² = 0.6 – 0.8 (GEV/C)²

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Cited by 43 publications

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Quark-model identification of baryon ground and resonant states

Quark-model identification of baryon ground and resonant states

Semileptonic decays of baryons in a relativistic quark model

MEASUREMENT OF THE ELECTRIC FORM FACTOR OF THE NEUTRON AT Q2 = 0.6 – 0.8 (GEV/C)2

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MEASUREMENT OF THE ELECTRIC FORM FACTOR OF THE NEUTRON AT Q² = 0.6 – 0.8 (GEV/C)²