Testing Bell's inequality using charmonium decays

Shion Chen, Yuki Nakaguchi, Sachio Komamiya

Research output: Contribution to journalReview article

1 Citation (Scopus)

Abstract

This paper discusses the feasibility of testing Bell's inequality with the charmonium decays nc →Λ Λ, xc0 →Λ Λand J/ ψ → Λ Λ.We develop a newformulation of Bell's inequality represented with particles' orientations, which can be measured straightforwardly in experiment, and seek to ascertain if it is violated in these decay processes. It is shown that the nc channel and the ψc0 channel maximally violate Bell's inequality, while the J/ ψ channel gives no inconsistency with it. Simulations dealing with experimental aspects are also implemented. The expected statistical fluctuations and achievable significance are estimated as a function of sample size.

Original languageEnglish
Article number063A01
JournalProgress of Theoretical and Experimental Physics
Volume2013
Issue number6
DOIs
Publication statusPublished - 2013 Jun 1
Externally publishedYes

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  • Physics and Astronomy(all)

Cite this

Testing Bell's inequality using charmonium decays. / Chen, Shion; Nakaguchi, Yuki; Komamiya, Sachio.

In: Progress of Theoretical and Experimental Physics, Vol. 2013, No. 6, 063A01, 01.06.2013.

Research output: Contribution to journalReview article

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AB - This paper discusses the feasibility of testing Bell's inequality with the charmonium decays nc →Λ Λ, xc0 →Λ Λand J/ ψ → Λ Λ.We develop a newformulation of Bell's inequality represented with particles' orientations, which can be measured straightforwardly in experiment, and seek to ascertain if it is violated in these decay processes. It is shown that the nc channel and the ψc0 channel maximally violate Bell's inequality, while the J/ ψ channel gives no inconsistency with it. Simulations dealing with experimental aspects are also implemented. The expected statistical fluctuations and achievable significance are estimated as a function of sample size.

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