Measurement of polarization amplitudes and CP asymmetries in $B^0 \to φK^*(892)^0$
An angular analysis of the decay $B^0 \to \phi K^*(892)^0$ is reported based on a $pp$ collision data sample, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected at a centre-of-mass energy of $\sqrt{s} = 7$ TeV with the LHCb detector. The P-wave amplitudes and phases are measured w...
Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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Format: | Journal article |
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2014
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author | collaboration, L Aaij, R Abba, A Adeva, B Adinolfi, M Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Cartelle, P Jr, A Amato, S Amerio, S Amhis, Y An, L Anderlini, L Anderson, J Andreassen, R Andreotti, M Andrews, J Appleby, R Gutierrez, O |
author_facet | collaboration, L Aaij, R Abba, A Adeva, B Adinolfi, M Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Cartelle, P Jr, A Amato, S Amerio, S Amhis, Y An, L Anderlini, L Anderson, J Andreassen, R Andreotti, M Andrews, J Appleby, R Gutierrez, O |
author_sort | collaboration, L |
collection | OXFORD |
description | An angular analysis of the decay $B^0 \to \phi K^*(892)^0$ is reported based on a $pp$ collision data sample, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected at a centre-of-mass energy of $\sqrt{s} = 7$ TeV with the LHCb detector. The P-wave amplitudes and phases are measured with a greater precision than by previous experiments, and confirm about equal amounts of longitudinal and transverse polarization. The S-wave $K^+ \pi^-$ and $K^+K^-$ contributions are taken into account and found to be significant. A comparison of the $B^0 \to \phi K^*(892)^0$ and $\bar{B}^0 \to \phi \bar{K}^*(892)^0$ results shows no evidence for direct CP violation in the rate asymmetry, in the triple-product asymmetries or in the polarization amplitudes and phases. |
first_indexed | 2024-03-06T18:35:58Z |
format | Journal article |
id | oxford-uuid:0b3e46a0-14a7-491e-afd2-b691315d9f27 |
institution | University of Oxford |
last_indexed | 2024-03-06T18:35:58Z |
publishDate | 2014 |
record_format | dspace |
spelling | oxford-uuid:0b3e46a0-14a7-491e-afd2-b691315d9f272022-03-26T09:28:24ZMeasurement of polarization amplitudes and CP asymmetries in $B^0 \to φK^*(892)^0$Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:0b3e46a0-14a7-491e-afd2-b691315d9f27Symplectic Elements at Oxford2014collaboration, LAaij, RAbba, AAdeva, BAdinolfi, MAffolder, AAjaltouni, ZAlbrecht, JAlessio, FAlexander, MAli, SAlkhazov, GCartelle, PJr, AAmato, SAmerio, SAmhis, YAn, LAnderlini, LAnderson, JAndreassen, RAndreotti, MAndrews, JAppleby, RGutierrez, OAn angular analysis of the decay $B^0 \to \phi K^*(892)^0$ is reported based on a $pp$ collision data sample, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected at a centre-of-mass energy of $\sqrt{s} = 7$ TeV with the LHCb detector. The P-wave amplitudes and phases are measured with a greater precision than by previous experiments, and confirm about equal amounts of longitudinal and transverse polarization. The S-wave $K^+ \pi^-$ and $K^+K^-$ contributions are taken into account and found to be significant. A comparison of the $B^0 \to \phi K^*(892)^0$ and $\bar{B}^0 \to \phi \bar{K}^*(892)^0$ results shows no evidence for direct CP violation in the rate asymmetry, in the triple-product asymmetries or in the polarization amplitudes and phases. |
spellingShingle | collaboration, L Aaij, R Abba, A Adeva, B Adinolfi, M Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Cartelle, P Jr, A Amato, S Amerio, S Amhis, Y An, L Anderlini, L Anderson, J Andreassen, R Andreotti, M Andrews, J Appleby, R Gutierrez, O Measurement of polarization amplitudes and CP asymmetries in $B^0 \to φK^*(892)^0$ |
title | Measurement of polarization amplitudes and CP asymmetries in $B^0 \to
φK^*(892)^0$ |
title_full | Measurement of polarization amplitudes and CP asymmetries in $B^0 \to
φK^*(892)^0$ |
title_fullStr | Measurement of polarization amplitudes and CP asymmetries in $B^0 \to
φK^*(892)^0$ |
title_full_unstemmed | Measurement of polarization amplitudes and CP asymmetries in $B^0 \to
φK^*(892)^0$ |
title_short | Measurement of polarization amplitudes and CP asymmetries in $B^0 \to
φK^*(892)^0$ |
title_sort | measurement of polarization amplitudes and cp asymmetries in b 0 to φk 892 0 |
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