Branching ratios, CP asymmetries and polarizations of $B\rightarrow \psi (2S) V$ decays

Rui, Zhou; Li, Ya; Xiao, Zhen -Jun

doi:10.1140/epjc/s10052-017-5193-y

Title: Branching ratios, CP asymmetries and polarizations of $$B\rightarrow \psi (2S) V$$ decays

Abstract

We analyze the non-leptonic decays B/B_s→ψ(2S)V with V=(ρ,ω,K*,Φ) by employing the perturbative QCD (pQCD) factorization approach. Here the branching ratios, the CP asymmetries and the complete set of polarization observables are investigated systematically. Besides the traditional contributions from the factorizable and non-factorizable diagrams at the leading order, the next-to-leading order (NLO) vertex corrections could also provide considerable contributions. The pQCD predictions for the branching ratios of the B_(s)→ψ(2S)K*,ψ(2S) decays are consistent with the measured values within errors. As for B→ψ(2S)ρ,ψ(2S)ω decays, the branching ratios can reach the order of 10^–5 and could be measured in the LHCb and Belle-II experiments. The numerical results show that the direct CP asymmetries of the considered decays are very small. Thus the observation of any large direct CP asymmetry for these decays will be a signal for new physics. The mixing-induced CP asymmetries in the neutral modes are very close to sin2β_(s), which suggests that these channels can give a cross-check on the measurement of the Cabbibo–Kobayashi–Maskawa (CKM) angle β and β_s. We find that the longitudinal polarization fractions f₀ are suppressed to ~50% due to the large non-factorizable contributions. The magnitudes and phases of the two transverse amplitudes A∥ and A⊥ are roughlymore »« less

Authors:

Rui, Zhou ^[1]; Li, Ya ^[2]; Xiao, Zhen -Jun ^[2]

North China Univ. of Science and Technology, Tangshan (China)
Nanjing Normal Univ., Nanjing (China)

Publication Date:: Thu Sep 14 00:00:00 EDT 2017

Research Org.:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1398391

Grant/Contract Number:: GP201520; JP201512; A2014209308; 11235005; 11547020; 11605060; BJ2016041; AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: European Physical Journal. C, Particles and Fields

Additional Journal Information:: Journal Volume: 77; Journal Issue: 9; Journal ID: ISSN 1434-6044

Publisher:: Springer

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Rui, Zhou, Li, Ya, and Xiao, Zhen -Jun. Branching ratios, CP asymmetries and polarizations of $B\rightarrow \psi (2S) V$ decays.  United States: N. p., 2017. 
Web.  doi:10.1140/epjc/s10052-017-5193-y.

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                    Rui, Zhou, Li, Ya, & Xiao, Zhen -Jun. Branching ratios, CP asymmetries and polarizations of $B\rightarrow \psi (2S) V$ decays.  United States.  https://doi.org/10.1140/epjc/s10052-017-5193-y

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                    Rui, Zhou, Li, Ya, and Xiao, Zhen -Jun. Thu .  
"Branching ratios, CP asymmetries and polarizations of $B\rightarrow \psi (2S) V$ decays".  United States.  https://doi.org/10.1140/epjc/s10052-017-5193-y.  https://www.osti.gov/servlets/purl/1398391.

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@article{osti_1398391,

  title        = {Branching ratios, CP asymmetries and polarizations of $B\rightarrow \psi (2S) V$ decays},

  author       = {Rui, Zhou and Li, Ya and Xiao, Zhen -Jun},

  abstractNote = {We analyze the non-leptonic decays B/Bs→ψ(2S)V with V=(ρ,ω,K*,Φ) by employing the perturbative QCD (pQCD) factorization approach. Here the branching ratios, the CP asymmetries and the complete set of polarization observables are investigated systematically. Besides the traditional contributions from the factorizable and non-factorizable diagrams at the leading order, the next-to-leading order (NLO) vertex corrections could also provide considerable contributions. The pQCD predictions for the branching ratios of the B(s)→ψ(2S)K*,ψ(2S) decays are consistent with the measured values within errors. As for B→ψ(2S)ρ,ψ(2S)ω decays, the branching ratios can reach the order of 10–5 and could be measured in the LHCb and Belle-II experiments. The numerical results show that the direct CP asymmetries of the considered decays are very small. Thus the observation of any large direct CP asymmetry for these decays will be a signal for new physics. The mixing-induced CP asymmetries in the neutral modes are very close to sin2β(s), which suggests that these channels can give a cross-check on the measurement of the Cabbibo–Kobayashi–Maskawa (CKM) angle β and βs. We find that the longitudinal polarization fractions f0 are suppressed to ~50% due to the large non-factorizable contributions. The magnitudes and phases of the two transverse amplitudes A∥ and A⊥ are roughly equal, which is an indication for the approximate light-quark helicity conservation in these decays. The overall polarization observables of B→ψ(2S)K*0 and Bs→ψ(2S)Φ channels are also in good agreement with the experimental measurements as reported by LHCb and BaBar. In conclusion, other results can also be tested by the LHCb and Belle-II experiments.},

  doi          = {10.1140/epjc/s10052-017-5193-y},

  journal      = {European Physical Journal. C, Particles and Fields},

  number       = 9,

  volume       = 77,

  place        = {United States},

  year         = {Thu Sep 14 00:00:00 EDT 2017},

  month        = {Thu Sep 14 00:00:00 EDT 2017}

}

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QCD factorization for B→PP and B→PV decays
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Determination of f 0–σ mixing angle through $B_{s}^{0} \to J/\varPsi\ f_{0}(980)(\sigma)$ decays
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The $$B_c\rightarrow \psi (2S)\pi $$ B c → ψ ( 2 S ) π , $$\eta _c(2S)\pi $$ η c ( 2 S ) π decays in the perturbative QCD approach
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Determination of heavy-meson wave functions from B decays
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Title: Branching ratios, CP asymmetries and polarizations of $$B\rightarrow \psi (2S) V$$ decays

Abstract

Citation Formats

Semileptonic decays of $$B_c$$ B c meson to S-wave charmonium states in the perturbative QCD approach journal, October 2016

B to light meson transition form factors calculated in perturbative QCD approach journal, June 2003

Exclusive semileptonic decays of heavy mesons journal, December 1985

First observation of the decay B 0 → ψ ( 2 S ) π 0 journal, February 2016

Exploring CP violation and η–η′ mixing with the $B^{0}_{s,d} \to J/\psi \eta^{(\prime)}$ systems journal, November 2011

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Observation of B + → ψ ( 2 S ) K + and B 0 → ψ ( 2 S ) K * ( 892 ) 0 decays and measurements of B -meson branching fractions into J / ψ and ψ ( 2 S ) final states journal, August 1998

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QCD Factorization for B → π π Decays: Strong Phases and CP Violation in the Heavy Quark Limit journal, September 1999

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Notes on the observability of CP violations in B decays journal, December 1981

A roadmap to control penguin effects in B d 0 → J/ψK S 0 and B s 0 → J/ψϕ journal, March 2015

Study of B → ψ ( 2 S ) K and B → ψ ( 2 S ) K * ( 892 ) decays journal, January 2001

Penguin enhancement and B → K π decays in perturbative QCD journal, February 2001

B → J / ψ K * decays in QCD factorization journal, May 2002

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Study of B ± , 0 → J / ψ K + K − K ± , 0 and search for B 0 → J / ψ ϕ at BaBar journal, January 2015

Conformal invariance and pion wave functions of nonleading twist journal, June 1990

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Theoretical update of pseudoscalar meson distribution amplitudes of higher twist: the nonsinglet case journal, January 1999

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Pion transition form factor in k T factorization journal, October 2009

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Determination of heavy-meson wave functions from B decays journal, December 1999

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journal, October 2016

B to light meson transition form factors calculated in perturbative QCD approach
journal, June 2003

Exclusive semileptonic decays of heavy mesons
journal, December 1985

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journal, February 2016

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Decays $B_{s} \to J / ψ + η$ and $B_{s} \to J / ψ + η'$ in the framework of covariant quark model
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Penguin enhancement and $\vec{B} K π$ decays in perturbative QCD
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$\vec{B} J / ψ K^{*}$ decays in QCD factorization
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Quark and particle helicities in hadronic charmed particle decays
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Weak decays beyond leading logarithms
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Observation of the decay ${\overline{B}}_{s}^{0} \to ψ (2 S) K^{+} π^{-}$
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Conformal invariance and pion wave functions of nonleading twist
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Leading-power contributions to $B \to π, ρ$ transition form factors
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Pion transition form factor in $k_{T}$ factorization
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$B_{d, s} \to ρ, ω, K^{*}, ϕ$ decay form factors from light-cone sum rules reexamined
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Study of the decay B → ππ via perturbative QCD
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journal, March 2012

Extraction of $V_{ub}$ from the Decay $B \to π l ν$
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Nonfactorizable corrections to $\vec{B} J / ψ K$
journal, August 2003

QCD factorization for exclusive non-leptonic -meson decays: general arguments and the case of heavy–light final states
journal, December 2000

Penguin Contributions to $C P$ Phases in $B_{d, s}$ Decays to Charmonium
journal, August 2015

Experimental constraints on the spin and parity of the $Z (4430)^{+}$
journal, October 2013

Measurement of the $C P$ -violating phase $ϕ_{s}^{J / ψ ϕ}$ using the flavor-tagged decay $B_{s}^{0} \to J / ψ ϕ$ in $8 {fb}^{- 1}$ of $p \bar{p}$ collisions
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Measurement of ψ(2S) meson production in pp collisions at $\sqrt{s}=7\ \mbox{TeV}$
journal, August 2012

${\bar{B}}^{0}$ and ${\bar{B}}_{s}^{0}$ decays into $J / ψ$ and $f_{0} (1370)$ , $f_{0} (1710)$ , $f_{2} (1270)$ , $f_{2}^{'} (1525)$ , $K_{2}^{*} (1430)$
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Axial-vector $f_{1} (1285) - f_{1} (1420)$ mixing and $B_{s} \to J / ψ (f_{1} (1285), f_{1} (1420))$ decays
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$S$ -wave resonance contributions to the $B_{(s)}^{0} \to J / ψ π^{+} π^{-}$ and $B_{s} \to π^{+} π^{-} μ^{+} μ^{-}$ decays
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First observation of ${\bar{B}}^{0} \to J / ψ K^{+} K^{-}$ and search for ${\bar{B}}^{0} \to J / ψ ϕ$ decays
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Observation of $B_{s}^{0} \to ψ (2 S) ϕ$ and Measurement of the Ratio of Branching Fractions $B (B_{s}^{0} \to ψ (2 S) ϕ) / B (B_{s}^{0} \to J / ψ ϕ)$
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Charmless nonleptonic $B_{s}$ decays to $P P$ , $P V$ , and $V V$ final states in the perturbative QCD approach
journal, October 2007

Updated analysis of $a_{1}$ and $a_{2}$ in hadronic two-body decays of B mesons
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First study of the CP-violating phase and decay-width difference in $B_{s}^{0} \to ψ (2 S) ϕ$ decays
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