Evidence for direct<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>violation from Dalitz-plot analysis of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:mo>→</mml:mo><mml:msup><mml:mi>K</mml:mi><mml:mo>±</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>∓</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>±</mml:mo></mml:msup></mml:math>

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doi:10.1103/physrevd.78.012004

Cited by 94 publications

(104 citation statements)

References 77 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…− decays were observed to have regions of large local asymmetries [9][10][11][12]. Concerning baryonic modes, no significant effects have been observed in either B AE → ppK AE or B AE → ppπ AE decays [13].…”

Section: H Y S I C a L R E V I E W L E T T E R Smentioning

confidence: 94%

Measurement ofCPViolation in the Phase Space ofB±→K+

Aaij¹,

Adeva²,

Adinolfi³

et al. 2014

Phys. Rev. Lett.

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Section: H Y S I C a L R E V I E W L E T T E R Smentioning

confidence: 94%

Measurement ofCPViolation in the Phase Space ofB±→K+

Aaij¹,

Adeva²,

Adinolfi³

et al. 2014

Phys. Rev. Lett.

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“…Two contributions to the K 0 S π þ π 0 final state arise from the resonant decays B þ → K Ã ð892Þ 0 π þ and B þ → K Ã ð892Þ þ π 0 . Although both the rate and CP asymmetries for B þ → K Ã ð892Þ 0 π þ have been well measured, with K Ã0 → K þ π − , by both the BABAR [16] and Belle [17] Collaborations, the measurements of the rate and CP asymmetry for B þ → K Ã ð892Þ þ π 0 [18] have significant statistical uncertainties and could benefit from the additional information provided by a full amplitude analysis. In Table I we review the existing measurements of the rates and CP asymmetries in the B → K Ã ð892Þπ system.…”

Section: Introductionmentioning

confidence: 99%

Evidence for CP violation in B+→K(892)+
Lees¹,
Poireau²,
Tisserand³
et al. 2017
Phys. Rev. D*
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1
8
0
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We report a Dalitz plot analysis of charmless hadronic decays of charged B mesons to the final state K 0 S π þ π 0 using the full BABAR data set of 470.9 AE 2.8 million BB events collected at the Υð4SÞ resonance.We measure the overall branching fraction and CP asymmetry to be BðB −0.03 , where the uncertainties are statistical, systematic, and due to the signal model, respectively. This is the first measurement of the branching fraction for B þ → K 0 π þ π 0 . We find first evidence of a CP asymmetry in B þ → K Ã ð892Þ þ π 0 decays: A CP ðB þ → K Ã ð892Þ þ π 0 Þ ¼ −0.52 AE 0.14 AE 0.04−0.02 . The significance of this asymmetry, including systematic and model uncertainties, is 3.4 standard deviations. We also measure the branching fractions and CP asymmetries for three other intermediate decay modes.

show abstract

“…Eq. (12), from the BaBar B + → K + π + π − DP analysis [39], and a two-dimensional covariance matrix from the Belle B + → K + π + π − DP analysis [43]. -A simplified uncorrelated four-dimensional input, cf.…”

Section: Experimental Inputsmentioning

confidence: 99%

“…In addition, the study of these modes provides experimental information on the dynamics of pseudo-scalar-vector modes, which is less known and more challenging from the theoretical point of view. Finally, this system has been studied extensively at the BaBar [38][39][40][41] and Belle [43,44] experiments, and a large set of observables is readily available.…”

Section: Introductionmentioning

confidence: 99%

Disentangling weak and strong interactions in $$B\rightarrow K^{*}(\rightarrow K\pi )\pi $$ B → K ∗

Descotes-Genon¹,

Ocariz²,

Pérez³

2017

Eur. Phys. J. C

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Dalitz-plot analyses of B → K ππ decays provide direct access to decay amplitudes, and thereby weak and strong phases can be disentangled by resolving the interference patterns in phase space between intermediate resonant states. A phenomenological isospin analysis of B → K * (→ K π)π decay amplitudes is presented exploiting available amplitude analyses performed at the BaBar, Belle and LHCb experiments. A first application consists in constraining the CKM parameters thanks to an external hadronic input. A method, proposed some time ago by two different groups and relying on a bound on the electroweak penguin contribution, is shown to lack the desired robustness and accuracy, and we propose a more alluring alternative using a bound on the annihilation contribution. A second application consists in extracting information on hadronic amplitudes assuming the values of the CKM parameters from a global fit to quark flavour data. The current data yields several solutions, which do not fully support the hierarchy of hadronic amplitudes usually expected from theoretical arguments (colour suppression, suppression of electroweak penguins), as illustrated from computations within QCD factorisation. Some prospects concerning the impact of future measurements at LHCb and Belle II are also presented. Results are obtained with the CKMfitter analysis package, featuring the frequentist statistical approach and using the Rfit scheme to handle theoretical uncertainties.

show abstract

Evidence for directCPviolation from Dalitz-plot analysis ofB±→K±π∓π±

Cited by 94 publications

References 77 publications

Measurement ofCPViolation in the Phase Space ofB±→K+

Measurement ofCPViolation in the Phase Space ofB±→K+

Evidence for CP violation in B+→K(892)+
Lees¹,
Poireau²,
Tisserand³
et al. 2017
Phys. Rev. D*
Self Cite
11
1
8
0
View full text Add to dashboard Cite

Disentangling weak and strong interactions in $$B\rightarrow K^{*}(\rightarrow K\pi )\pi $$ B → K ∗

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Evidence for directCPviolation from Dalitz-plot analysis ofB±→K±π∓π±

Cited by 94 publications

References 77 publications

Measurement ofCPViolation in the Phase Space ofB±→K+

Measurement ofCPViolation in the Phase Space ofB±→K+

Evidence for CP violation in B+→K*(892)+Lees1, Poireau2, Tisserand3 et al. 2017Phys. Rev. DSelf Cite11180View full textAdd to dashboardCite

Disentangling weak and strong interactions in $$B\rightarrow K^{*}(\rightarrow K\pi )\pi $$ B → K ∗

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Product

Resources

About

Evidence for CP violation in B+→K(892)+
Lees¹,
Poireau²,
Tisserand³
et al. 2017
Phys. Rev. D*
Self Cite
11
1
8
0
View full text Add to dashboard Cite