With a sample of about 227×10^6 BB? pairs recorded with the BABAR detector we perform a full angular analysis of the decay B0??K*0(892). We make novel measurements of five parameters sensitive to CP violation. We also measure the branching fraction to be (9.2±0.9±0.5)×10^-6 and determine the fractions of longitudinal and parity-odd transverse contributions as fL=0.52±0.05±0.02 and f?=0.22±0.05±0.02. The phases of the parity-even and parity-odd transverse amplitudes relative to the longitudinal amplitude are found to be ??=2.34-0.20+0.23±0.05??rad and ??=2.47±0.25±0.05??rad. We also observe the decay B0??K*0(1430).

Measurement of the B0→ϕK*0 Decay Amplitudes / Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.m., Hicheur, A., Karyotakis, Y., Lees, J.p., Tisserand, V., Zghiche, A., Palano, A., Pompili, A., Chen, J.c., Qi, N.d., Rong, G., Wang, P., Zhu, Y.s., Eigen, G., Ofte, I., Stugu, B., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 93:(2004), pp. 231804-1-231804-7. [10.1103/PhysRevLett.93.231804]

Measurement of the B0→ϕK*0 Decay Amplitudes

DEL RE, Daniele;RAHATLOU, SHAHRAM;SARTI, ALESSIO;BELLINI, Fabio;CAVOTO, Gianluca;FACCINI, Riccardo;FERRONI, Fernando;GASPERO, Mario;VOENA C;
2004

Abstract

With a sample of about 227×10^6 BB? pairs recorded with the BABAR detector we perform a full angular analysis of the decay B0??K*0(892). We make novel measurements of five parameters sensitive to CP violation. We also measure the branching fraction to be (9.2±0.9±0.5)×10^-6 and determine the fractions of longitudinal and parity-odd transverse contributions as fL=0.52±0.05±0.02 and f?=0.22±0.05±0.02. The phases of the parity-even and parity-odd transverse amplitudes relative to the longitudinal amplitude are found to be ??=2.34-0.20+0.23±0.05??rad and ??=2.47±0.25±0.05??rad. We also observe the decay B0??K*0(1430).
2004
.
01 Pubblicazione su rivista::01a Articolo in rivista
Measurement of the B0→ϕK*0 Decay Amplitudes / Aubert, B., Barate, R., Boutigny, D., Couderc, F., Gaillard, J.m., Hicheur, A., Karyotakis, Y., Lees, J.p., Tisserand, V., Zghiche, A., Palano, A., Pompili, A., Chen, J.c., Qi, N.d., Rong, G., Wang, P., Zhu, Y.s., Eigen, G., Ofte, I., Stugu, B., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 93:(2004), pp. 231804-1-231804-7. [10.1103/PhysRevLett.93.231804]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/231200
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