Measurements of time-dependent CP asymmetries in B→D*∓π± decays using a partial reconstruction technique

Bahinipati, S.; Trabelsi, K.; Kinoshita, K.; Arinstein, K.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Balagura, V.; Barberio, E.; Belous, K.; Bhardwaj, V.; Bhuyan, B.; Bischofberger, M.; Bondar, A.; Bozek, A.; Bračko, M.; Chen, A.; Chen, P.; Cheon, B. G.; Chiang, C.-C.; Cho, I.-S.; Cho, K.; Choi, Y.; Dalseno, J.; Doležal, Z.; Drásal, Z.; Eidelman, S.; Gabyshev, N.; Golob, B.; Ha, H.; Horii, Y.; Hoshi, Y.; Hou, W.-S.; Hsiung, Y. B.; Hyun, H. J.; Ishikawa, A.; Iwabuchi, M.; Iwasaki, Y.; Iwashita, T.; Julius, T.; Kang, J. H.; Kiesling, C.; Kim, H. J.; Kim, M. J.; Ko, B. R.; Kobayashi, N.; Kodyš, P.; Križan, P.; Kumita, T.; Kwon, Y.-J.; Kyeong, S.-H.; Lange, J. S.; Lee, M. J.; Lee, S.-H.; Li, J.; Liu, C.; Louvot, R.; Matyja, A.; McOnie, S.; Miyabayashi, K.; Miyata, H.; Miyazaki, Y.; Mohanty, G. B.; Nakao, M.; Natkaniec, Z.; Neubauer, S.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Pakhlov, P.; Park, C. W.; Petrič, M.; Piilonen, L. E.; Poluektov, A.; Röhrken, M.; Sahoo, H.; Sakai, Y.; Schneider, O.; Schwanda, C.; Schwartz, A. J.; Sevior, M. E.; Shapkin, M.; Shen, C. P.; Shiu, J.-G.; Smerkol, P.; Sohn, Y.-S.; Sokolov, A.; Solovieva, E.; Stanič, S.; Starič, M.; Sumisawa, K.; Sumiyoshi, T.; Tanaka, S.; Teramoto, Y.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Varner, G.; Vinokurova, A.; Wang, C. H.; Won, E.; Yabsley, B. D.; Yamashita, Y.; Zhang, C. C.; Zhang, Z. P.; Zhou, P.; Zivko, T.; Zupanc, A.

doi:10.1103/PhysRevD.84.021101

Title: Measurements of time-dependent CP asymmetries in B→D^*∓π^± decays using a partial reconstruction technique

Journal Article · Tue Jul 05 00:00:00 EDT 2011 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.84.021101· OSTI ID:1099735

Bahinipati, S.; Trabelsi, K.; Kinoshita, K.; Arinstein, K.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Balagura, V.; Barberio, E.; Belous, K.; Bhardwaj, V.; Bhuyan, B.; Bischofberger, M.; Bondar, A.; Bozek, A.; Bračko, M.; Chen, A.; Chen, P.; Cheon, B. G.; Chiang, C.-C. more »

We report results on time-dependent CP asymmetries in B→D^*∓π^± decays based on a data sample containing 657×10⁶ BB¯ pairs collected with the Belle detector at the KEKB asymmetric-energy e⁺e⁻ collider at the Υ(4S) resonance. We use a partial reconstruction technique, wherein signal B→D^*∓π^± events are identified using information only from the fast pion from the B decay and the slow pion from the subsequent decay of the D^*∓, where the former (latter) corresponds to D*⁺(D*⁻) final states. We obtain CP violation parameters S⁺=+0.061±0.018 (stat)±0.012 (syst) and S⁻=+0.031±0.019 (stat)±0.015 (syst).

View Accepted Manuscript (Publisher)

Cite

Export

Save

Sponsoring Organization:: USDOE

OSTI ID:: 1099735

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Journal Name: Physical Review. D, Particles, Fields, Gravitation and Cosmology Vol. 84 Journal Issue: 2; ISSN 1550-7998

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 17 works

Citation information provided by
Web of Science

References (18)

C P -Violation in the Renormalizable Theory of Weak Interaction Kobayashi, Makoto; Maskawa, Toshihide Progress of Theoretical Physics, Vol. 49, Issue 2 https://doi.org/10.1143/PTP.49.652	journal	February 1973
Measurement of $C P$ violation in $B^{0} \to D^{* -} π^{+}$ and $B^{0} \to D^{-} π^{+}$ decays Ronga, F. J.; Sarangi, T. R.; Abe, K. Physical Review D, Vol. 73, Issue 9 https://doi.org/10.1103/PhysRevD.73.092003	journal	May 2006
Unitary Symmetry and Leptonic Decays Cabibbo, Nicola Physical Review Letters, Vol. 10, Issue 12 https://doi.org/10.1103/PhysRevLett.10.531	journal	June 1963
Asymmetry between inclusive charmed and anticharmed modes in $B^{0}$ , B $¯^{0}$ decay as a measure of CP violation Dunietz, Isard; Sachs, Robert G. Physical Review D, Vol. 37, Issue 11 https://doi.org/10.1103/PhysRevD.37.3186	journal	June 1988
New strategies to obtain insights into CP violation through and decays Fleischer, Robert Nuclear Physics B, Vol. 671 https://doi.org/10.1016/j.nuclphysb.2003.08.010	journal	November 2003
Determination of the $CP$ Violation Angle $γ$ Using $B \to D^{*} V$ Modes Sinha, Nita; Sinha, Rahul Physical Review Letters, Vol. 80, Issue 17 https://doi.org/10.1103/PhysRevLett.80.3706	journal	April 1998
Review of Particle Physics Nakamura, K. Journal of Physics G: Nuclear and Particle Physics, Vol. 37, Issue 7A https://doi.org/10.1088/0954-3899/37/7A/075021	journal	July 2010
Time-dependent CP violation effects in partially reconstructed <mml:math altimg="si1.gif" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo>→</mml:mo><mml:msup><mml:mi>D</mml:mi><mml:mrow><mml:mo>∗</mml:mo><mml:mo>∓</mml:mo></mml:mrow></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>±</mml:mo></mml:msup></mml:math> decays Gershon, T.; Abe, K.; Abe, K. Physics Letters B, Vol. 624, Issue 1-2 https://doi.org/10.1016/j.physletb.2005.07.020	journal	September 2005
Extracting Weak Phase Information from $B \to V_{1} V_{2}$ Decays London, David; Sinha, Nita; Sinha, Rahul Physical Review Letters, Vol. 85, Issue 9 https://doi.org/10.1103/PhysRevLett.85.1807	journal	August 2000
Extraction of a weak phase from $\vec{B} D^{(*)} π$ Suprun, Denis A.; Chiang, Cheng-Wei; Rosner, Jonathan L. Physical Review D, Vol. 65, Issue 5 https://doi.org/10.1103/PhysRevD.65.054025	journal	February 2002
Observables for the Analysis of Event Shapes in $e^{+} e^{-}$ Annihilation and Other Processes Fox, Geoffrey C.; Wolfram, Stephen Physical Review Letters, Vol. 41, Issue 23 https://doi.org/10.1103/PhysRevLett.41.1581	journal	December 1978
Overview of the KEKB accelerators Kurokawa, S.; Kikutani, E. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 499, Issue 1 https://doi.org/10.1016/S0168-9002(02)01771-0	journal	February 2003
Erratum: Asymmetry between inclusive charmed and anticharmed modes in $B^{0}$ , ${\bar{B}}^{0}$ decay as a measure of $CP$ violation Dunietz, Isard; Sachs, Robert G. Physical Review D, Vol. 39, Issue 11 https://doi.org/10.1103/PhysRevD.39.3515	journal	June 1989
Measurement of the $B^{0} - B^{0}$ mixing rate with $B^{0} (B^{0}) \to D^{* \mp} π^{\pm}$ partial reconstruction Zheng, Y.; Browder, T. E.; Abe, K. Physical Review D, Vol. 67, Issue 9 https://doi.org/10.1103/PhysRevD.67.092004	journal	May 2003
Status of the Belle silicon vertex detector Natkaniec, Z.; Aihara, H.; Asano, Y. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 560, Issue 1 https://doi.org/10.1016/j.nima.2005.11.228	journal	May 2006
The Belle detector Abashian, A.; Gotow, K.; Morgan, N. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 479, Issue 1 https://doi.org/10.1016/S0168-9002(01)02013-7	journal	February 2002
Measurement of time-dependent $C P$ -violating asymmetries and constraints on $\sin (2 β + γ)$ with partial reconstruction of $B \to D^{* \mp} π^{\pm}$ decays Aubert, B.; Barate, R.; Boutigny, D. Physical Review D, Vol. 71, Issue 11 https://doi.org/10.1103/PhysRevD.71.112003	journal	June 2005
Clean CKM information from Dunietz, Isard Physics Letters B, Vol. 427, Issue 1-2 https://doi.org/10.1016/S0370-2693(98)00304-9	journal	May 1998

Similar Records

Measurement of CP violation in B{sup 0}{yields}D*{sup -}{pi}{sup +} and B{sup 0}{yields}D{sup -}{pi}{sup +} decays

Journal Article · Mon May 01 00:00:00 EDT 2006 · Physical Review. D, Particles Fields · OSTI ID:1099735

Ronga, F J; Sarangi, T R; Abe, K; +17 more

Measurement of branching fraction and first evidence of CP violation in B⁰→a₁^±(1260)π^∓ decays

Journal Article · Mon Nov 26 00:00:00 EST 2012 · Physical Review. D, Particles, Fields, Gravitation and Cosmology · OSTI ID:1099735

Dalseno, J.; Adachi, I.; Aihara, H.; +141 more

Measurement of

B^{0} \to D_{s}^{-} K_{S}^{0} π^{+}

and

B^{+} \to D_{s}^{-} K^{+} K^{+}

branching fractions

Journal Article · Thu Feb 26 00:00:00 EST 2015 · Physical Review. D, Particles, Fields, Gravitation and Cosmology · OSTI ID:1099735

Wiechczynski, J.; Stypula, J.; Abdesselam, A.; +171 more

Title: Measurements of time-dependent CP asymmetries in B→D*∓π± decays using a partial reconstruction technique

Citation Formats

References (18)

Similar Records

Related Subjects

Title: Measurements of time-dependent CP asymmetries in B→D^*∓π^± decays using a partial reconstruction technique