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The puzzle of scalar mesons and the scalar glueball

Проблема скалярных мезонов и скалярного глюбола

  • Published:
Il Nuovo Cimento A (1971-1996)

Summary

The puzzle of scalar mesons is studied by considering the gluon effects on the masses of mesons and the mixing of scalar nonet with a glueball. The f0(1300) mass is raised to ∼1300 MeV by the gluon effects while retaining itsN-like character. The f0(975) may be a 0++ glueball which mixes with the f0(1300) appreciably.

Riassunto

Si studia l’enigma dei mesoni scalari considerando gli effetti dei gluoni sulle masse dei mesoni e il mescolamento del nonetto scalare con una glueball. Si aumenta la massa di f0(1300) a∼1300 MeV mediante gli effetti dei gluoni mantenendo il suo carattere del tipoN. L’f0(975) può essere una glueball 0++ che si mescola notevolmente con l’f0(1300).

Резюме

Исследуется проблема скалярных мезонов, рассматривая влияние глюонов на массы мезонов и смешивание скалярного нонета с глюболом. Массаf 0(1300) увеличивается до ∼1300 МэВ из-за глюонных эффектов, хотя сохраняэтся ееN-подобный признак.f 0(975) может представлять 0++ глюбол, который заметно смешивается с f0(1300).

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Authors and Affiliations

  1. College of Engineering, Chubu University, Kasugai, 487, Aichi, Japan

    T. Teshima, I. Kitamura & N. Morisita

Authors
  1. T. Teshima
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  2. I. Kitamura
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  3. N. Morisita
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Teshima, T., Kitamura, I. & Morisita, N. The puzzle of scalar mesons and the scalar glueball. Nuov Cim A 103, 175–184 (1990). https://doi.org/10.1007/BF02820590

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  • DOI: https://doi.org/10.1007/BF02820590

PACS 14.40

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