Study of scalar meson f0(980) from B→f0(980)K* decays
Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhang, Zhi-Qing [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag / Società Italiana di Fisica 2010 |
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| Übergeordnetes Werk: |
Enthalten in: The European physical journal / C - Springer-Verlag, 1998, 67(2010), 1-2 vom: 23. März, Seite 163-172 |
|---|---|
| Übergeordnetes Werk: |
volume:67 ; year:2010 ; number:1-2 ; day:23 ; month:03 ; pages:163-172 |
| Links: |
|---|
| DOI / URN: |
10.1140/epjc/s10052-010-1285-7 |
|---|
| Katalog-ID: |
OLC2069099822 |
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| 520 | |a Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. | ||
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10.1140/epjc/s10052-010-1285-7 doi (DE-627)OLC2069099822 (DE-He213)s10052-010-1285-7-p DE-627 ger DE-627 rakwb eng 530 VZ 530 VZ Zhang, Zhi-Qing verfasserin aut Study of scalar meson f0(980) from B→f0(980)K* decays 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag / Società Italiana di Fisica 2010 Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. Distribution Amplitude Belle Collaboration BaBar Collaboration pQCD Prediction Penguin Operator Zhang, Jun-De aut Enthalten in The European physical journal / C Springer-Verlag, 1998 67(2010), 1-2 vom: 23. März, Seite 163-172 (DE-627)235469777 (DE-600)1397769-6 (DE-576)061879150 1434-6044 nnns volume:67 year:2010 number:1-2 day:23 month:03 pages:163-172 https://doi.org/10.1140/epjc/s10052-010-1285-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_70 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2018 GBV_ILN_4116 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4317 AR 67 2010 1-2 23 03 163-172 |
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10.1140/epjc/s10052-010-1285-7 doi (DE-627)OLC2069099822 (DE-He213)s10052-010-1285-7-p DE-627 ger DE-627 rakwb eng 530 VZ 530 VZ Zhang, Zhi-Qing verfasserin aut Study of scalar meson f0(980) from B→f0(980)K* decays 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag / Società Italiana di Fisica 2010 Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. Distribution Amplitude Belle Collaboration BaBar Collaboration pQCD Prediction Penguin Operator Zhang, Jun-De aut Enthalten in The European physical journal / C Springer-Verlag, 1998 67(2010), 1-2 vom: 23. März, Seite 163-172 (DE-627)235469777 (DE-600)1397769-6 (DE-576)061879150 1434-6044 nnns volume:67 year:2010 number:1-2 day:23 month:03 pages:163-172 https://doi.org/10.1140/epjc/s10052-010-1285-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_70 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2018 GBV_ILN_4116 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4317 AR 67 2010 1-2 23 03 163-172 |
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10.1140/epjc/s10052-010-1285-7 doi (DE-627)OLC2069099822 (DE-He213)s10052-010-1285-7-p DE-627 ger DE-627 rakwb eng 530 VZ 530 VZ Zhang, Zhi-Qing verfasserin aut Study of scalar meson f0(980) from B→f0(980)K* decays 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag / Società Italiana di Fisica 2010 Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. Distribution Amplitude Belle Collaboration BaBar Collaboration pQCD Prediction Penguin Operator Zhang, Jun-De aut Enthalten in The European physical journal / C Springer-Verlag, 1998 67(2010), 1-2 vom: 23. März, Seite 163-172 (DE-627)235469777 (DE-600)1397769-6 (DE-576)061879150 1434-6044 nnns volume:67 year:2010 number:1-2 day:23 month:03 pages:163-172 https://doi.org/10.1140/epjc/s10052-010-1285-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_70 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2018 GBV_ILN_4116 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4317 AR 67 2010 1-2 23 03 163-172 |
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10.1140/epjc/s10052-010-1285-7 doi (DE-627)OLC2069099822 (DE-He213)s10052-010-1285-7-p DE-627 ger DE-627 rakwb eng 530 VZ 530 VZ Zhang, Zhi-Qing verfasserin aut Study of scalar meson f0(980) from B→f0(980)K* decays 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag / Società Italiana di Fisica 2010 Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. Distribution Amplitude Belle Collaboration BaBar Collaboration pQCD Prediction Penguin Operator Zhang, Jun-De aut Enthalten in The European physical journal / C Springer-Verlag, 1998 67(2010), 1-2 vom: 23. März, Seite 163-172 (DE-627)235469777 (DE-600)1397769-6 (DE-576)061879150 1434-6044 nnns volume:67 year:2010 number:1-2 day:23 month:03 pages:163-172 https://doi.org/10.1140/epjc/s10052-010-1285-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_70 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2018 GBV_ILN_4116 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4317 AR 67 2010 1-2 23 03 163-172 |
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10.1140/epjc/s10052-010-1285-7 doi (DE-627)OLC2069099822 (DE-He213)s10052-010-1285-7-p DE-627 ger DE-627 rakwb eng 530 VZ 530 VZ Zhang, Zhi-Qing verfasserin aut Study of scalar meson f0(980) from B→f0(980)K* decays 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag / Società Italiana di Fisica 2010 Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. Distribution Amplitude Belle Collaboration BaBar Collaboration pQCD Prediction Penguin Operator Zhang, Jun-De aut Enthalten in The European physical journal / C Springer-Verlag, 1998 67(2010), 1-2 vom: 23. März, Seite 163-172 (DE-627)235469777 (DE-600)1397769-6 (DE-576)061879150 1434-6044 nnns volume:67 year:2010 number:1-2 day:23 month:03 pages:163-172 https://doi.org/10.1140/epjc/s10052-010-1285-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_20 GBV_ILN_21 GBV_ILN_22 GBV_ILN_30 GBV_ILN_70 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2018 GBV_ILN_4116 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4317 AR 67 2010 1-2 23 03 163-172 |
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Study of scalar meson f0(980) from B→f0(980)K* decays |
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Study of scalar meson f0(980) from B→f0(980)K* decays |
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Zhang, Zhi-Qing |
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Zhang, Zhi-Qing Zhang, Jun-De |
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study of scalar meson f0(980) from b→f0(980)k* decays |
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Study of scalar meson f0(980) from B→f0(980)K* decays |
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Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. © Springer-Verlag / Società Italiana di Fisica 2010 |
| abstractGer |
Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. © Springer-Verlag / Società Italiana di Fisica 2010 |
| abstract_unstemmed |
Abstract In this paper, the branching ratios and the direct CP-violating asymmetries for decays $\bar{B}^{0}\to f_{0}(980)\bar{K}^{*0}$ and B−→f0(980)K*− by employing the perturbative QCD factorization approach are studied. In the two-quark model supposition, f0(980) is commonly viewed as a mixture of $s\bar{s}$ and $n\bar{n}(\equiv(u\bar{u}+d\bar{d})/\sqrt{2})$, that is $|f_{0}(980)\rangle =|s\bar{s}\rangle \cos\theta+|n\bar{n}\rangle \sin\theta$, where θ is the f0−σ mixing angle. We find that the non-factorizable f0 emission type diagrams can give large contributions to the final results, which are consistent with the present experimental data and the upper limit in the allowed mixing angle ranges. We predict that the direct CP asymmetry ${\mathcal{A}}^{\mathrm{dir}}_{\mathrm{CP}}(f_{0}(980)\bar{K}^{*0})$ is small, only a few percent, which can be tested by future B factory experiments. © Springer-Verlag / Società Italiana di Fisica 2010 |
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Study of scalar meson f0(980) from B→f0(980)K* decays |
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