Searches for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>B</mml:mi></mml:math>Meson Decays to<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>ϕ</mml:mi><mml:mi>ϕ</mml:mi></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>ϕ</mml:mi><mml:mi>ρ</mml:mi></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>ϕ</mml:mi><mml:msub><mml:mi>f</mml:mi><mml:mn>0</mml:mn

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doi:10.1103/physrevlett.101.201801

Cited by 13 publications

(4 citation statements)

References 22 publications

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“…This is more stringent than the previous limit of B(B 0 → φφ) < 2.0 × 10 −7 , set by BaBar [17], and provides a strong constraint on possible contributions to this mode from physics beyond the Standard Model [16].…”

Section: Discussionmentioning

confidence: 78%

See 1 more Smart Citation

Measurement of the B s 0 → ϕϕ branching fraction and search for the decay B 0 → ϕϕ

Aaij¹,

Adeva²,

Adinolfi³

et al. 2015

J. High Energ. Phys.

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Using a dataset corresponding to an integrated luminosity of 3.0 fb −1 collected in pp collisions at centre-of-mass energies of 7 and 8 TeV, the B 0 s → φφ branching fraction is measured to bewhere f s /f d represents the ratio of the B 0 s to B 0 production cross-sections, and the B 0 → φK * (892) 0 decay mode is used for normalization. This is the most precise measurement of this branching fraction to date, representing a factor five reduction in the statistical uncertainty compared with the previous best measurement. A search for the decay B 0 → φφ is also made. No signal is observed, and an upper limit on the branching fraction is set as B(B 0 → φφ) < 2.8 × 10at 90% confidence level. This is a factor of seven improvement compared to the previous best limit.

show abstract

Section: Discussionmentioning

confidence: 78%

“…However, the branching fraction can be enhanced, up to the 10 −7 level, in models such as supersymmetry with R-parity violation [16]. The current best limit for this mode is from the BaBar collaboration [17], B(B 0 → φφ) < 2.0 × 10 −7 at 90 % confidence level.…”

Section: Introductionmentioning

confidence: 98%

Measurement of the B s 0 → ϕϕ branching fraction and search for the decay B 0 → ϕϕ

Aaij¹,

Adeva²,

Adinolfi³

et al. 2015

J. High Energ. Phys.

Self Cite

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show abstract

“…Experimentally, the four-body decays of B meson with certain two-body invariant mass regions which are shown in Fig. 1 have been collected by LHCb [8][9][10][11][12][13][14], Belle [15,16], BaBar [17,18] and other collaborations. Generally, it is not easy to calculate dynamics of these decays, however, it can be simplified by employing the factorization theorems.…”

Section: Introductionmentioning

confidence: 99%

Study of the four-body decays $B^{0}_{S} \rightarrow ππππ$ in the perturbative QCD approach

Liang,

2022

Preprint

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In this work, we analyse the CP-averaged branching ratios and direct CP-violating asymmetries of the fourbody decays B 0 S → ππππ decay from the S-wave resonances, f0(980) and f0(500) and P-wave resonances, ρ(770) by introducing the S-wave and P-wave ππ distribution amplitudes within the framework of the perturbative QCD approach. We also calculate branching ratios of the two-body decays B 0 S → ρ 0 ρ 0 , B 0 S → ρ + ρ − from the corresponding quasi-two-body decays models and compare our our results with those obtained in previous perturbative QCD approach, QCD factorization approach and FAT approach, it is found that the predictions are consistent with present dates within errors. The branching ratios of our calculations for the four-body decays B 0 S → ππππ are at the order of the 10 −8 . For the CP-violating asymmetries, we found that CP-violating asymmetry can be enhanced largely by the ρ − ω mixing resonances when ππ pairs masses are in the vicinity of ω resonance.

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“…B meson decays into various four-body charmless hadronic final states in certain twobody invariant mass regions have been observed by the Belle [18][19][20], BaBar [21][22][23], and LHCb [24][25][26][27][28][29][30][31] Collaborations. Branching ratios for many partial waves have been measured for the first time or with greatly improved accuracy.…”

Section: Introductionmentioning

confidence: 99%

Four-body decays B(s) → (Kπ)S/P(Kπ)S/P in the perturbative QCD approach

Rui

2021

J. High Energ. Phys.

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We investigate the four-body decays B(s) → (Kπ)S/P(Kπ)S/P in the Kπ-pair invariant mass region around the K*(892) resonance in the perturbative QCD (PQCD) approach, where (Kπ)S/P denotes a S- or P-wave Kπ configuration. The contributions from the P-wave resonance K*(892) and from possible S-wave components are included into the parametrization of the Kπ two-meson distribution amplitudes, which are the non-perturbative inputs in this formalism. We calculate the branching ratio for each resonance and observe sizable S-wave contributions to the Bs modes, well consistent with recently available LHCb data. We also deduce the polarization fractions for the $$ {K}^{\ast }{\overline{K}}^{\ast } $$ K ∗ K ¯ ∗ final states, and compare our predictions to those in previous PQCD analyses of the corresponding two-body B → $$ {K}^{\ast }{\overline{K}}^{\ast } $$ K ∗ K ¯ ∗ decays. The polarization puzzle associated with the two U-spin related channels B0 → $$ {K}^{\ast 0}{\overline{K}}^{\ast 0} $$ K ∗ 0 K ¯ ∗ 0 and $$ {B}_s^0\to {K}^{\ast 0}{\overline{K}}^{\ast 0} $$ B s 0 → K ∗ 0 K ¯ ∗ 0 still exists. In addition to direct CP asymmetries, triple-product asymmetries and S-wave induced direct CP asymmetries originating from the interference among various helicity amplitudes, are presented. It is shown that true triple-product asymmetries are rather small, while direct CP asymmetries and S-wave-induced direct CP asymmetries are significant in some decays. Our results will be subject to stringent tests with precise data from B factories in the near future.

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Searches forBMeson Decays toϕϕ,ϕρ,ϕf0

Cited by 13 publications

References 22 publications

Measurement of the B s 0 → ϕϕ branching fraction and search for the decay B 0 → ϕϕ

Measurement of the B s 0 → ϕϕ branching fraction and search for the decay B 0 → ϕϕ

Study of the four-body decays $B^{0}_{S} \rightarrow ππππ$ in the perturbative QCD approach

Four-body decays B(s) → (Kπ)S/P(Kπ)S/P in the perturbative QCD approach

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