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Q27442253-6CB05E61-DD8A-4E49-92CF-4583D1EAD01C
Q27442253-6CB05E61-DD8A-4E49-92CF-4583D1EAD01C
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http://www.wikidata.org/entity/statement/Q27442253-6CB05E61-DD8A-4E49-92CF-4583D1EAD01C
Two-photon width of the charmonium state χ c 2
P2860
Q27442253-6CB05E61-DD8A-4E49-92CF-4583D1EAD01C
BestRank
Statement
http://www.wikidata.org/entity/statement/Q27442253-6CB05E61-DD8A-4E49-92CF-4583D1EAD01C
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wasDerivedFrom
6894ea84fd299aa4e15d2ee137135533de7639fa
P2860
Measurement of the branching fractions forJ/ψ→ℓ+ℓ−