4.8 Article

Is the Spectrum of Highly Excited Mesons Purely Coulombian?

期刊

PHYSICAL REVIEW LETTERS
卷 101, 期 23, 页码 -

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AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.232001

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资金

  1. Spanish MCyT
  2. EU FEDER [FPA2007-65748]
  3. European III [506078]
  4. Spanish Consolider Ingenio 2010 Program CPAN [CSD2007-00042]

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We show that a static central potential may provide a precise description of highly excited light unflavored mesons. Because of string breaking, this potential becomes of chromoelectric type at sufficiently large quark-antiquark distances giving rise to a Coulombian spectrum. The same conclusion can be inferred for any other meson sector through a straightforward extension of our analysis.

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