Collaboration B, Gebauer U, Beleño C, Frey A, Adachi I, Adamczyk K, Aihara H, Said SA, Asner DM, Atmacan H, Aushev T, Ayad R, Babu V, Bahinipati S, Behera P, Belous K, Bennett J, Bessner M, Bhardwaj V, Bhuyan B, Bilka T, Biswal J, Bobrov A, Bonvicini G, Bozek A, Bračko M, Browder TE, Campajola M, Cao L, Červenkov D, Chang M-C, Chekelian V, Chen A, Cheon BG, Chilikin K, Cho HE, Cho K, Cho S-J, Choi S-K, Choi Y, Choudhury S, Cinabro D, Cunliffe S, Das S, Dash N, Nardo GD, Capua FD, Dingfelder J, Doležal Z, Dong TV, Eidelman S, Epifanov D, Ferber T, Ferlewicz D, Fulsom BG, Garg R, Gaur V, Gabyshev N, Garmash A, Giri A, Goldenzweig P, Golob B, Gudkova K, Hadjivasiliou C, Halder S, Hara T, Hartbrich O, Hayasaka K, Hayashii H, Hedges MT, Hou W-S, Hsu C-L, Iijima T, Inami K, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs WW, Jia S, Jin Y, Joo CW, Joo KK, Kahn J, Kaliyar AB, Kang KH, Karyan G, Kawasaki T, Kichimi H, Kiesling C, Kim CH, Kim DY, Kim SH, Kim Y-K, Kinoshita K, Kodyš P, Konno T, Korobov A, Korpar S, Kovalenko E, Križan P, Kroeger R, Krokovny P, Kuhr T, Kumar M, Kumar R, Kumara K, Kuzmin A, Kwon Y-J, Lalwani K, Lange JS, Lee IS, Lee SC, Lewis P, Li YB, Gioi LL, Libby J, Lieret K, Liventsev D, MacQueen C, Masuda M, Matsuda T, Matvienko D, Merola M, Metzner F, Miyabayashi K, Mizuk R, Mohanty GB, Mrvar M, Mussa R, Nakao M, Natkaniec Z, Natochii A, Nayak L, Nayak M, Nisar NK, Nishida S, Nishimura K, Ogawa S, Ono H, Onuki Y, Oskin P, Pakhlov P, Pakhlova G, Pardi S, Park H, Park S-H, Patra S, Paul S, Pedlar TK, Pestotnik R, Piilonen LE, Podobnik T, Prencipe E, Prim MT, Purohit MV, Röhrken M, Rostomyan A, Rout N, Russo G, Sahoo D, Sandilya S, Sangal A, Santelj L, Sanuki T, Savinov V, Schnell G, Schueler J, Schwanda C, Seino Y, Senyo K, Sevior ME, Shapkin M, Sharma C, Shiu J-G, Shwartz B, Simon F, Solovieva E, Stanič S, Starič M, Stottler ZS, Sumiyoshi T, Takizawa M, Tamponi U, Tenchini F, Trabelsi K, Uchida M, Uglov T, Unno Y, Uno S, Urquijo P, Tonder RV, Varner G, Varvell KE, Vossen A, Waheed E, Wang CH, Wang M-Z, Wang P, Wang XL, Watanuki S, Wiechczynski J, Won E, Xu X, Yabsley BD, Yan W, Yang SB, Ye H, Yin JH, Yuan CZ, Zhang ZP, Zhilich V, Zhukova V.
Measurement of the branching fractions of the $B^+ \to η\ell^+
ν_{\ell} $ and $B^+ \to η^{\prime} \ell^+ ν_{\ell} $ decays with
signal-side only reconstruction in the full $q^2$ range. Phys Rev D. 2021 Apr 27;106:032013.