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Measurement of time-dependent CP violation in B0 → KS0 π0π0 decays

Publication ,  Journal Article
Yusa, Y; Aihara, H; Al Said, S; Asner, DM; Atmacan, H; Aulchenko, V; Aushev, T; Ayad, R; Babu, V; Badhrees, I; Bahinipati, S; Bakich, AM ...
Published in: Physical Review D
January 1, 2019

We report a measurement of time-dependent CP violation in B0→KS0π0π0 decays using a data sample of 772×106 BB pairs collected by the Belle experiment running at the ?(4S) resonance at the KEKB e+e- collider. This decay proceeds mainly via a b→sdd "penguin" amplitude. The results are sin2φ1eff=0.92-0.31+0.27 (stat.) ±0.11 (syst.) and A=0.28±0.21 (stat.) ±0.04 (syst.), which are the most precise measurements of CP violation in this decay mode to date. The value for the CP-violating parameter sin2φ1eff is consistent with that obtained using decay modes proceeding via a b→ccs "tree" amplitude.

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Published In

Physical Review D

DOI

EISSN

2470-0029

ISSN

2470-0010

Publication Date

January 1, 2019

Volume

99

Issue

1
 

Citation

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Yusa, Y., Aihara, H., Al Said, S., Asner, D. M., Atmacan, H., Aulchenko, V., … Nishida, S. (2019). Measurement of time-dependent CP violation in B0 → KS0 π0π0 decays. Physical Review D, 99(1). https://doi.org/10.1103/PhysRevD.99.011102
Yusa, Y., H. Aihara, S. Al Said, D. M. Asner, H. Atmacan, V. Aulchenko, T. Aushev, et al. “Measurement of time-dependent CP violation in B0 → KS0 π0π0 decays.” Physical Review D 99, no. 1 (January 1, 2019). https://doi.org/10.1103/PhysRevD.99.011102.
Yusa Y, Aihara H, Al Said S, Asner DM, Atmacan H, Aulchenko V, et al. Measurement of time-dependent CP violation in B0 → KS0 π0π0 decays. Physical Review D. 2019 Jan 1;99(1).
Yusa, Y., et al. “Measurement of time-dependent CP violation in B0 → KS0 π0π0 decays.” Physical Review D, vol. 99, no. 1, Jan. 2019. Scopus, doi:10.1103/PhysRevD.99.011102.
Yusa Y, Aihara H, Al Said S, Asner DM, Atmacan H, Aulchenko V, Aushev T, Ayad R, Babu V, Badhrees I, Bahinipati S, Bakich AM, Bansal V, Behera P, Bhardwaj V, Bhuyan B, Biswal J, Bozek A, Bračko M, Browder TE, Cao L, Červenkov D, Chekelian V, Chen A, Cheon BG, Chilikin K, Choi SK, Choi Y, Cinabro D, Cunliffe S, Dash N, Di Carlo S, Dong TV, Drásal Z, Eidelman S, Epifanov D, Fast JE, Fulsom BG, Garg R, Gaur V, Garmash A, Giri A, Goldenzweig P, Golob B, Guan Y, Haba J, Hayasaka K, Hayashii H, Hirose S, Inami K, Inguglia G, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs WW, Jia S, Jin Y, Joo KK, Kang KH, Kawasaki T, Kiesling C, Kim DY, Kim JB, Kim KT, Kim SH, Kinoshita K, Kodyš P, Korpar S, Kotchetkov D, KriŽan P, Kroeger R, Kuhr T, Kumar R, Kwon YJ, Lange JS, Lee IS, Lee SC, Li LK, Li YB, Li Gioi L, Libby J, Liventsev D, Lubej M, Luo T, Masuda M, Matsuda T, Merola M, Miyabayashi K, Miyata H, Mizuk R, Mohanty GB, Moon HK, Nakano E, Nakao M, Nanut T, Nath KJ, Natkaniec Z, Nisar NK, Nishida S. Measurement of time-dependent CP violation in B0 → KS0 π0π0 decays. Physical Review D. 2019 Jan 1;99(1).

Published In

Physical Review D

DOI

EISSN

2470-0029

ISSN

2470-0010

Publication Date

January 1, 2019

Volume

99

Issue

1