Physical Review Letters· 2015Q1

Observation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>J</mml:mi><mml:mo stretchy="false">/</mml:mo><mml:mi>ψ</mml:mi><mml:mi>p</mml:mi></mml:mrow></mml:math>Resonances Consistent with Pentaquark States in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">Λ</mml:mi></mml:mrow><mml:mrow><mml:mi>b</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:mi>J</mml:mi><mml:mo stretchy="false">/</mml:mo><mml:mi>ψ</mml:mi><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup><mml:mi>p</mml:mi></mml:mrow></mml:math>Decays

R. Aaij, B. Adeva, M. Adinolfi, A. A. Affolder et al.

1,287citations
Q1SCImago
2015year

Short summary

LHCb observed two new charmonium-pentaquark states in the J/ψp mass spectrum from Λ_{b}^{0}→J/ψK^{-}p decays, with significances over 9 standard deviations.

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Field: Nuclear and High Energy Physics

Nuclear and High Energy PhysicsPhysics and Astronomy