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New data on the reactions K−p →\(\overline K \) 0n and K−p → K−p between 1.934 GeV/c and 2.516 GeV/c, partial-wave analysis of these channels andSU 3 classification of the new Y* states observed

Новые данные о реакциях K−p →\(\overline K \) 0n и K−p → K−p в области между 1.934 ГзВ/с и 2.516 ГзВ/с, парциальный аналиэ зтих каналов иSU 3 классификация новых наблюденных Y* состояний

  • Published:
Il Nuovo Cimento A (1965-1970)

Summary

New data on the K−p elastic and charge exchange reactions are presented in the K− momentum range between 1.934 GeV/c and 2.516 GeV/c. A conventional energy-dependent partial-wave analysis covering the widerP K- range from 1.6 GeV/c to 2.516 GeV/c is presented together with a p.w.a. in which the duality ands-helicity conservation ideas are explicitly imposed in the fits. Finally the new Y*’s observed in this experiment are classified inSU 3 multiplets.

Riassunto

Si presentano nuovi dati sulle reazioni di scambio di carica ed elastiche K−p nell’intervallo di impulsi del K− tra 1934 GeV/c e 2516 GeV/c. Si presenta un’analisi convenzionale dell’onda parziale dipendente dall’energia che ricopre il più vasto intervallo diP K- da 1.6 GeV/c a 2516 GeV/c insieme ad un’analisi dell’onda parziale (p.w.a.) in cui si impongono esplicitamente nell’approssimazione le idee di conservazione dell’elicitàs e della dualità. Infine si classificano in multiplettiSU 3 i nuovi Y* osservati in questo esperimento.

Реэюме

Приводятся новые данные о K−p упругих реакциях и о K−p реакциях с переэарядкой в области импульсов K− от 1.934 ГзВ/с до 2.516 ГзВ/с. Проводится обшепринятый эависяший от знергии парциальный аналиэ, покрываюший щирокуюP K- область от 1.6 ГзВ/с до 2.516 ГзВ/с, где при подгонке в явном виде испольэуются идеи дуальности и сохраненияs-спиральности. В эаключение проводится классификация вSU 3 мультиплетах обнаруженных в зтом зксперименте новых Y* состояний.

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Authors and Affiliations

  1. Laboratoire de Physique Corpusculaire, Collège de France, Paris

    A. De Bellefon, A. Berthon, P. Billoir, J. M. Brunet, G. Tristram & J. Vrana

  2. Départment de Physique des Particules Elémentaires, CEN, Saclay

    B. Baccari, G. Poulard, D. Revel & B. Tallini

Authors
  1. A. De Bellefon
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  2. A. Berthon
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  3. P. Billoir
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  4. J. M. Brunet
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  5. G. Tristram
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  6. J. Vrana
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  7. B. Baccari
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  8. G. Poulard
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  9. D. Revel
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  10. B. Tallini
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Supported by Institut National de Physique Nucléaire et de Physique des Particules.

Present address: EF Division, CERN.

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De Bellefon, A., Berthon, A., Billoir, P. et al. New data on the reactions K−p →\(\overline K \) 0n and K−p → K−p between 1.934 GeV/c and 2.516 GeV/c, partial-wave analysis of these channels andSU 3 classification of the new Y* states observed. Nuov Cim A 42, 403–430 (1977). https://doi.org/10.1007/BF02730274

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  • DOI: https://doi.org/10.1007/BF02730274

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