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@ARTICLE{Gebauer:471484,
author = {Gebauer, U. and Beleño, C. and Frey, A. and Adachi, I. and
Adamczyk, K. and Aihara, H. and Al Said, S. and Asner, D. M.
and Atmacan, H. and Aushev, T. and Ayad, R. and Babu, V. and
Bahinipati, S. and Behera, P. and Belous, K. and Bennett, J.
and Bessner, M. and Bhardwaj, V. and Bhuyan, B. and Bilka,
T. and Biswal, J. and Bobrov, A. and Bonvicini, G. and
Bozek, A. and Bračko, M. and Browder, T. E. and Campajola,
M. and Cao, L. and Červenkov, D. and Chang, M.-C. and
Chekelian, V. and Chen, A. and Cheon, B. G. and Chilikin, K.
and Cho, H. E. and Cho, K. and Cho, S.-J. and Choi, S.-K.
and Choi, Y. and Choudhury, S. and Cinabro, D. and Cunliffe,
S. and Das, S. and Dash, N. and De Nardo, G. and Di Capua,
F. and Dingfelder, J. and Doležal, Z. and Dong, T. V. and
Eidelman, S. and Epifanov, D. and Ferber, T. and Ferlewicz,
D. and Fulsom, B. G. and Garg, R. and Gaur, V. and Gabyshev,
N. and Garmash, A. and Giri, A. and Goldenzweig, P. and
Golob, B. and Gudkova, K. and Hadjivasiliou, C. and Halder,
S. and Hara, T. and Hartbrich, O. and Hayasaka, K. and
Hayashii, H. and Hedges, M. T. and Hou, W.-S. and Hsu, C.-L.
and Iijima, T. and Inami, K. and Ishikawa, A. and Itoh, R.
and Iwasaki, M. and Iwasaki, Y. and Jacobs, W. W. and Jia,
S. and Jin, Y. and Joo, C. W. and Joo, K. K. and Kahn, J.
and Kaliyar, A. B. and Kang, K. H. and Karyan, G. and
Kawasaki, T. and Kichimi, H. and Kiesling, C. and Kim, C. H.
and Kim, D. Y. and Kim, S. H. and Kim, Y.-K. and Kinoshita,
K. and Kodyš, P. and Konno, T. and Korobov, A. and Korpar,
S. and Kovalenko, E. and Križan, P. and Kroeger, R. and
Krokovny, P. and Kuhr, T. and Kumar, M. and Kumar, R. and
Kumara, K. and Kuzmin, A. and Kwon, Y.-J. and Lalwani, K.
and Lange, J. S. and Lee, I. S. and Lee, S. C. and Lewis, P.
and Li, Y. B. and Li Gioi, L. and Libby, J. and Lieret, K.
and Liventsev, D. and MacQueen, C. and Masuda, M. and
Matsuda, T. and Matvienko, D. and Merola, M. and Metzner, F.
and Miyabayashi, K. and Mizuk, R. and Mohanty, G. B. and
Mrvar, M. and Mussa, R. and Nakao, M. and Natkaniec, Z. and
Natochii, A. and Nayak, L. and Nayak, M. and Nisar, N. K.
and Nishida, S. and Nishimura, K. and Ogawa, S. and Ono, H.
and Onuki, Y. and Oskin, P. and Pakhlov, P. and Pakhlova, G.
and Pardi, S. and Park, H. and Park, S.-H. and Patra, S. and
Paul, S. and Pedlar, T. K. and Pestotnik, R. and Piilonen,
L. E. and Podobnik, T. and Prencipe, E. and Prim, M. T. and
Purohit, M. V. and Roehrken, Markus and Rostomyan, A. and
Rout, N. and Russo, G. and Sahoo, D. and Sandilya, S. and
Sangal, A. and Santelj, L. and Sanuki, T. and Savinov, V.
and Schnell, G. and Schueler, J. and Schwanda, C. and Seino,
Y. and Senyo, K. and Sevior, M. E. and Shapkin, M. and
Sharma, C. and Shiu, J.-G. and Shwartz, B. and Simon, F. and
Solovieva, E. and Stanič, S. and Starič, M. and Stottler,
Z. S. and Sumiyoshi, T. and Takizawa, M. and Tamponi, U. and
Tenchini, Francesco and Trabelsi, K. and Uchida, M. and
Uglov, T. and Unno, Y. and Uno, S. and Urquijo, P. and Van
Tonder, R. and Varner, G. and Varvell, K. E. and Vossen, A.
and Waheed, E. and Wang, C. H. and Wang, M.-Z. and Wang, P.
and Wang, X. L. and Watanuki, S. and Wiechczynski, J. and
Won, E. and Xu, X. and Yabsley, B. D. and Yan, W. and Yang,
S. B. and Ye, Hua and Yin, J. H. and Yuan, C. Z. and Zhang,
Z. P. and Zhilich, V. and Zhukova, V.},
collaboration = {{Belle Collaboration}},
title = {{M}easurement of the branching fractions of the ${B}^+ \to
\eta \ell^+ \nu_{\ell} $ and ${B}^+ \to \eta^{\prime} \ell^+
\nu_{\ell} $ decays with signal-side only reconstruction in
the full $q^2$ range},
reportid = {PUBDB-2021-04437, arXiv:2104.13354. Belle Preprint 2021-07.
KEK Preprint 2021-3},
year = {2021},
note = {9 pages, 3 figures, to be submitted to Phys. Rev. D, Apr
27, 2021},
abstract = {The branching fractions of the decays $B^{+} \to \eta
\ell^{+} \nu_{\ell}$ and $B^{+} \to \eta^{\prime} \ell^{+}
\nu_{\ell}$ are measured, where $\ell$ is either an electron
or a muon, using a data sample of $711\,{\rm fb}^{-1}$
containing $772 \times 10^6 B\bar{B}$ pairs collected at the
$\Upsilon(4S)$ resonance with the Belle detector at the KEKB
asymmetric-energy $e^+ e^-$ collider. To reduce the
dependence of the result on the form factor model, the
measurement is performed over the entire $q^2$ range. The
resulting branching fractions are ${\cal B}(B^{+}
\rightarrow \eta \ell^{+} \nu_{\ell}) = (2.83 \pm 0.55_{\rm
(stat.)} \pm 0.34_{\rm (syst.)}) \times 10^{-5}$ and ${\cal
B}(B^{+} \rightarrow \eta' \ell^{+} \nu_{\ell}) = (2.79 \pm
1.29_{\rm (stat.)} \pm 0.30_{\rm (syst.)}) \times 10^{-5}$.},
keywords = {electron positron: annihilation (INSPIRE) / electron
positron: colliding beams (INSPIRE) / B: pair production
(INSPIRE) / B+: semileptonic decay (INSPIRE) / eta (INSPIRE)
/ form factor: model (INSPIRE) / B+: branching ratio:
measured (INSPIRE) / Upsilon(10570): electroproduction
(INSPIRE) / electron (INSPIRE) / eta(958) (INSPIRE) / BELLE
(INSPIRE) / KEK-B (INSPIRE) / muon (INSPIRE) / experimental
results (INSPIRE) / B+ --> eta positron neutrino/e (INSPIRE)
/ B+ --> eta muon+ neutrino/mu (INSPIRE) / B+ --> eta(958)
positron neutrino/e (INSPIRE) / B+ --> eta(958) muon+
neutrino/mu (INSPIRE)},
cin = {BELLE},
cid = {I:(DE-H253)BELLE-20210408},
pnm = {611 - Fundamental Particles and Forces (POF4-611)},
pid = {G:(DE-HGF)POF4-611},
experiment = {EXP:(DE-H253)BELLE-20150101},
typ = {PUB:(DE-HGF)25},
eprint = {2104.13354},
howpublished = {arXiv:2104.13354},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2104.13354;\%\%$},
doi = {10.3204/PUBDB-2021-04437},
url = {https://bib-pubdb1.desy.de/record/471484},
}
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