2007
DOI: 10.1103/physrevlett.99.131802
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Measurement of Einstein-Podolsky-Rosen-Type Flavor Entanglement inΥ(4S)B0B¯0Decays

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Cited by 47 publications
(14 citation statements)
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“…Early studies in particle physics proposed to use the time evolution of intermediate (resonant) states in cascade decays of heavy (B) mesons to study aspects of CP violation, mixing phenomena [1][2][3][4][5][6] and CPT violation [7,8]. The Belle collaboration [9] has reported on remarkably precise measurements of (EPR) entanglement and correlations in cascade decays Υ Ψ →¯→ S B B l J K (4 ) ( , / , ) 0 0 via the analysis of the time dependence of the flavor asymmetry [10]. The BaBar collaboration [11,12] has reported on the first direct measurement of time reversal violation in theB B 0 0 system from Υ S (4 ) decay at rest by studying the time dependent correlations between the members of the entangledB B 0 0 pairs also in a cascade decay.…”
Section: Introductionmentioning
confidence: 99%
“…Early studies in particle physics proposed to use the time evolution of intermediate (resonant) states in cascade decays of heavy (B) mesons to study aspects of CP violation, mixing phenomena [1][2][3][4][5][6] and CPT violation [7,8]. The Belle collaboration [9] has reported on remarkably precise measurements of (EPR) entanglement and correlations in cascade decays Υ Ψ →¯→ S B B l J K (4 ) ( , / , ) 0 0 via the analysis of the time dependence of the flavor asymmetry [10]. The BaBar collaboration [11,12] has reported on the first direct measurement of time reversal violation in theB B 0 0 system from Υ S (4 ) decay at rest by studying the time dependent correlations between the members of the entangledB B 0 0 pairs also in a cascade decay.…”
Section: Introductionmentioning
confidence: 99%
“…Such a theory would encompass Dirac equation and be an alternative to quantum field theory. To conclude, quantum entanglement in e + e − collisions was recently observed in relation to a possible CPT violation [14].…”
Section: Discussionmentioning
confidence: 97%
“…Adding the quaternionic generator i to H 120 , one gets a group isomorphic to E − 32 .S 5 that is, up to a factor of 2, the 3-qubit representation of the 2-qubit dipole C − 2 , of order 3840 (see (14) in [2]). Adding the quaternionic generator j to H 120 , one recovers the 3-qubit representation of the group Z 2 .W (E 6 ), and adding the generator K to H 120 one obtains the groupF 7 ∼ = Z 2 .W (E 7 ).…”
Section: The Three-qubit Representation Of the Group Design Sl(2 5)mentioning
confidence: 99%
“…since both are given by the product P 0 (A 0 )P 1 (A 1 )P 0 (B 0 )P 1 (B 1 10 ). This means that we can define unconditional underlying probability ρ(A 0 , B 0 ; A 1 , B 1 ) which is the joint probability of Alice finding her system in state A 0 along 0-axis, A 1 along 1-axis and Bob finding his particle in state B 0 along 0-axis, B 1 along 1-axis;…”
Section: Marginal and Underlying Probabilities Statistical Independementioning
confidence: 99%
“…An unambiguous signal of the departure from local causality in quantum mechanics is expressed as violation of Bell inequality [1] and its variants, the Bell theorems, such as CHSH inequalities [2], GHZ theorem [3] and Hardy's arguments [4,5], which has been verified by the experiments by use of various physical systems [6,7,8,9,10]. The relations among these Bell theorems have been uncovered gradually [11,12].…”
Section: Introductionmentioning
confidence: 99%