Measurement of the CKM angle φ1 in B0 → D (∗)0h0, D 0 → KS0 π+π- decays with time-dependent binned Dalitz plot analysis MEASUREMENT of the CKM ANGLE φ1 in ... V. VOROBYEV et al.

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Abstract

We report a measurement of the CP-violation parameter φ1 obtained in a time-dependent analysis of B0→D(∗)0h0 decays followed by D0→KS0π+π- decay. A model-independent measurement is performed using the binned Dalitz plot technique. The measured value is φ1=11.7°±7.8°(stat)±2.1°(syst). Treating sin2φ1 and cos2φ1 as independent parameters, we obtain sin2φ1=0.43±0.27(stat)±0.08(syst) and cos2φ1=1.06±0.33(stat)-0.15+0.21(syst). The results are obtained with a full data sample of 772×106BB pairs collected near the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider.

Original languageEnglish
Article number052004
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume94
Issue number5
DOIs
Publication statusPublished - 2016 Sep 6

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plots
decay
CP violation
detectors
energy

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  • Nuclear and High Energy Physics

Cite this

@article{d9b3a9ca69b04dfa942863675cf971a5,
title = "Measurement of the CKM angle φ1 in B0 → D (∗)0h0, D 0 → KS0 π+π- decays with time-dependent binned Dalitz plot analysis MEASUREMENT of the CKM ANGLE φ1 in ... V. VOROBYEV et al.",
abstract = "We report a measurement of the CP-violation parameter φ1 obtained in a time-dependent analysis of B0→D(∗)0h0 decays followed by D0→KS0π+π- decay. A model-independent measurement is performed using the binned Dalitz plot technique. The measured value is φ1=11.7°±7.8°(stat)±2.1°(syst). Treating sin2φ1 and cos2φ1 as independent parameters, we obtain sin2φ1=0.43±0.27(stat)±0.08(syst) and cos2φ1=1.06±0.33(stat)-0.15+0.21(syst). The results are obtained with a full data sample of 772×106BB pairs collected near the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider.",
author = "{Belle Collaboration} and V. Vorobyev and I. Adachi and H. Aihara and Asner, {D. M.} and T. Aushev and R. Ayad and I. Badhrees and S. Bahinipati and Bakich, {A. M.} and P. Behera and V. Bhardwaj and B. Bhuyan and J. Biswal and A. Bobrov and A. Bondar and A. Bozek and M. Bračko and Browder, {T. E.} and D. Červenkov and V. Chekelian and A. Chen and Cheon, {B. G.} and K. Chilikin and R. Chistov and K. Cho and V. Chobanova and Y. Choi and D. Cinabro and M. Danilov and N. Dash and {Di Carlo}, S. and Z. DoleŽal and Z. Dr{\'a}sal and A. Drutskoy and D. Dutta and S. Eidelman and D. Epifanov and H. Farhat and Fast, {J. E.} and T. Ferber and Fulsom, {B. G.} and V. Gaur and N. Gabyshev and A. Garmash and P. Goldenzweig and D. Greenwald and J. Haba and K. Hayasaka and H. Hayashii and Eunil Won",
year = "2016",
month = "9",
day = "6",
doi = "10.1103/PhysRevD.94.052004",
language = "English",
volume = "94",
journal = "Physical review D: Particles and fields",
issn = "0556-2821",
publisher = "American Institute of Physics Publising LLC",
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T1 - Measurement of the CKM angle φ1 in B0 → D (∗)0h0, D 0 → KS0 π+π- decays with time-dependent binned Dalitz plot analysis MEASUREMENT of the CKM ANGLE φ1 in ... V. VOROBYEV et al.

AU - Belle Collaboration

AU - Vorobyev, V.

AU - Adachi, I.

AU - Aihara, H.

AU - Asner, D. M.

AU - Aushev, T.

AU - Ayad, R.

AU - Badhrees, I.

AU - Bahinipati, S.

AU - Bakich, A. M.

AU - Behera, P.

AU - Bhardwaj, V.

AU - Bhuyan, B.

AU - Biswal, J.

AU - Bobrov, A.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Červenkov, D.

AU - Chekelian, V.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chilikin, K.

AU - Chistov, R.

AU - Cho, K.

AU - Chobanova, V.

AU - Choi, Y.

AU - Cinabro, D.

AU - Danilov, M.

AU - Dash, N.

AU - Di Carlo, S.

AU - DoleŽal, Z.

AU - Drásal, Z.

AU - Drutskoy, A.

AU - Dutta, D.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Farhat, H.

AU - Fast, J. E.

AU - Ferber, T.

AU - Fulsom, B. G.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Goldenzweig, P.

AU - Greenwald, D.

AU - Haba, J.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Won, Eunil

PY - 2016/9/6

Y1 - 2016/9/6

N2 - We report a measurement of the CP-violation parameter φ1 obtained in a time-dependent analysis of B0→D(∗)0h0 decays followed by D0→KS0π+π- decay. A model-independent measurement is performed using the binned Dalitz plot technique. The measured value is φ1=11.7°±7.8°(stat)±2.1°(syst). Treating sin2φ1 and cos2φ1 as independent parameters, we obtain sin2φ1=0.43±0.27(stat)±0.08(syst) and cos2φ1=1.06±0.33(stat)-0.15+0.21(syst). The results are obtained with a full data sample of 772×106BB pairs collected near the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider.

AB - We report a measurement of the CP-violation parameter φ1 obtained in a time-dependent analysis of B0→D(∗)0h0 decays followed by D0→KS0π+π- decay. A model-independent measurement is performed using the binned Dalitz plot technique. The measured value is φ1=11.7°±7.8°(stat)±2.1°(syst). Treating sin2φ1 and cos2φ1 as independent parameters, we obtain sin2φ1=0.43±0.27(stat)±0.08(syst) and cos2φ1=1.06±0.33(stat)-0.15+0.21(syst). The results are obtained with a full data sample of 772×106BB pairs collected near the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider.

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U2 - 10.1103/PhysRevD.94.052004

DO - 10.1103/PhysRevD.94.052004

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VL - 94

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SN - 0556-2821

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