Evidence for the decay B0->eta pi^0
High Energy Physics - Experiment
2015-07-14 v3
Abstract
We report a search for the charmless hadronic decay with a data sample corresponding to an integrated luminosity of 694 containing pairs. The data were collected by the Belle experiment running on the resonance at the KEKB collider. We measure a branching fraction , where the first uncertainty is statistical and the second is systematic. Our measurement gives an upper limit of at 90\% confidence level. The signal has a significance of standard deviations and constitutes the first evidence for this decay mode.
Cite
@article{arxiv.1504.00957,
title = {Evidence for the decay B0->eta pi^0},
author = {Belle Collaboration and B. Pal and A. J. Schwartz and A. Abdesselam and I. Adachi and H. Aihara and S. Al Said and K. Arinstein and D. M. Asner and V. Aulchenko and T. Aushev and R. Ayad and V. Babu and I. Badhrees and A. M. Bakich and A. Bobrov and G. Bonvicini and A. Bozek and M. Bračko and T. E. Browder and D. Červenkov and M. -C. Chang and V. Chekelian and A. Chen and B. G. Cheon and K. Cho and V. Chobanova and Y. Choi and D. Cinabro and J. Dalseno and Z. Doležal and Z. Drásal and A. Drutskoy and D. Dutta and S. Eidelman and H. Farhat and J. E. Fast and T. Ferber and O. Frost and B. G. Fulsom and V. Gaur and N. Gabyshev and S. Ganguly and A . Garmash and D. Getzkow and R. Gillard and R. Glattauer and Y. M. Goh and B. Golob and O. Grzymkowska and T. Hara and K. Hayasaka and H. Hayashii and X. H. He and W. -S. Hou and M. Huschle and H. J. Hyun and T. Iijima and A. Ishikawa and R. Itoh and Y. Iwasaki and I. Jaegle and T. Julius and K. H. Kang and E. Kato and C. Kiesling and D. Y. Kim and J. B. Kim and J. H. Kim and K. T. Kim and M. J. Kim and S. H. Kim and Y. J. Kim and K. Kinoshita and B. R. Ko and P. Kodyš and S. Korpar and P. Križan and P. Krokovny and T. Kuhr and T. Kumita and A. Kuzmin and Y. -J. Kwon and J. S. Lange and D. H. Lee and I. S. Lee and Y. Li and L. Li Gioi and J. Libby and D. Liventsev and P. Lukin and D. Matvienko and H. Miyata and G. B. Mohanty and A. Moll and H. K. Moon and K. R. Nakamura and E. Nakano and M. Nakao and T. Nanut and Z. Natkaniec and M. Nayak and S. Nishida and S. Ogawa and S. Okuno and P. Pakhlov and G. Pakhlova and C. W. Park and H. Park and T. K. Pedlar and L. Pesántez and M. Petrič and L. E. Piilonen and C. Pulvermacher and E. Ribežl and M. Ritter and A. Rostomyan and S. Ryu and Y. Sakai and S. Sandilya and D. Santel and L. Santelj and T. Sanuki and Y. Sato and O. Schneider and G. Schnell and C. Schwanda and K. Senyo and O. S eon and M. E. Sevior and M. Shapkin and V. Shebalin and C. P. Shen and T. -A. Shibata and J. -G. Shiu and A. Sibidanov and F. Simon and Y. -S. Sohn and E. Solovieva and S. Stanič and M. Starič and M. Su mihama and K. Sumisawa and T. Sumiyoshi and U. Tamponi and Y. Teramoto and F. Thorne and M. Uchida and S. Uehara and Y. Unno and S. Uno and Y. Usov and C. Van Hulse and P. Vanhoefer and G. Varner and A. Vinokur ova and V. Vorobyev and A. Vossen and M. N. Wagner and C. H. Wang and M. -Z. Wang and P. Wang and X. L. Wang and Y. Watanabe and E. Won and H. Yamamoto and J. Yamaoka and S. Yashchenko and Z. P. Zhang and V. Zhi lich and V. Zhulanov and A. Zupanc},
journal= {arXiv preprint arXiv:1504.00957},
year = {2015}
}
Comments
11 pages, 3 figures, 2 tables, submitted to Physical Review D(R)