Study of B →p p ππ STUDY of B →p p ππ CHU K. et al.

Authors

K. Chu, National Taiwan University
M. Z. Wang, National Taiwan University
I. Adachi, The Graduate University for Advanced Studies
H. Aihara, The University of Tokyo
S. Al Said, King Abdulaziz University
D. M. Asner, Brookhaven National Laboratory
V. Aulchenko, Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
T. Aushev, Moscow Institute of Physics and Technology
R. Ayad, University of Tabuk
V. Babu, Deutsches Elektronen-Synchrotron (DESY)
I. Badhrees, King Abdulaziz City for Science and Technology
S. Bahinipati, Indian Institute of Technology Bhubaneswar
A. M. Bakich, The University of Sydney
P. Behera, Indian Institute of Technology Madras
C. Belenõ, Universität Göttingen
J. Bennett, University of Mississippi
V. Bhardwaj, Indian Institute of Science Education and Research Mohali
B. Bhuyan, Indian Institute of Technology Guwahati
J. Biswal, Jozef Stefan Institute
A. Bobrov, Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
G. Bonvicini, Wayne State University
A. Bozek, Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
M. Bračko, Jozef Stefan Institute
M. Campajola, Istituto Nazionale di Fisica Nucleare, Sezione di Napoli
L. Cao, Karlsruhe Institute of Technology
D. Červenkov, Charles University
P. Chang, National Taiwan University
V. Chekelian, Max Planck Institute for Physics (Werner Heisenberg Institute)
A. Chen, National Central University Taiwan
B. G. Cheon, Hanyang University
K. Chilikin, P.N. Lebedev Physical Institute of the Russian Academy of Sciences
H. E. Cho, Hanyang University

Document Type

Article

Publication Date

3-1-2020

Abstract

© 2020 authors. Using a data sample of 772×106 BB pairs collected on the Ï'(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e-collider, we report the observation of B0→ppπ+π- A nd the first observation of B+→ppπ+π0. We measure a decay branching fraction of (0.83±0.17±0.17)×10-6 in B0→ppπ+π-for Mπ+π-<1.22 GeV/c2 with a significance of 5.5 standard deviations. The contribution from B0→ppK0 is excluded. We measure a decay branching fraction of (4.58±1.17±0.67)×10-6 for B+→ppπ+π0 with Mπ+π0<1.3 GeV/c2 with a significance of 5.4 standard deviations. We study the difference of the Mpp distributions in B0→ppπ+π- A nd B+→ppπ+π0.

Relational Format

journal article

Recommended Citation

Chu, K., Wang, M.-Z., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Badhrees, I., Bahinipati, S., Bakich, A. M., Behera, P., Beleño, C., Bennett, J., Bhardwaj, V., Bhuyan, B., Biswal, J., … Belle Collaboration. (2020). Study of B → p p ¯ π π. Physical Review D, 101(5), 052012. https://doi.org/10.1103/PhysRevD.101.052012