Journal
PHYSICAL REVIEW LETTERS
Volume 110, Issue 26, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.261601
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Funding
- National Science Foundation [PHY-0969020]
- Robert A. Welch Foundation [F-0014]
- Division Of Physics
- Direct For Mathematical & Physical Scien [0969020] Funding Source: National Science Foundation
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It is argued that exotic mesons consisting of two quarks and two antiquarks are not ruled out in quantum chromodynamics with a large number N of colors, as generally thought. Tetraquarks of one class are typically long-lived, with decay rates proportional to 1/N.
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