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A.Zavertyaev, M.Zhang, L.Zhang, Y.Zhang, Y.Zhelezov, A.Zheng, Y.Zhokhov, A.Zhu, X.Zhukov, V.Zucchelli, S.2017-02-172017-02-172017-02-17201610.1103/PhysRevD.94.091102https://infoscience.epfl.ch/handle/20.500.14299/134616WOS:000388824300001A study of B-c(+) -> K+K-pi(+) decays is performed for the first time using data corresponding to an integrated luminosity of 3.0 fb(-1) collected by the LHCb experiment in pp collisions at center-of-mass energies of 7 and 8 TeV. Evidence for the decay B-c(+) -> chi(c0)(K+K-)pi(+) is reported with a significance of 4.0 standard deviations, giving sigma(B-c(+))/sigma(B+) x B(B-c(+) -> chi(c0)pi+) = (9.8(-3.0)(+3.4)(stat) +/- 0.8(stat)) x 10(-6). Here B denotes a branching fraction while sigma(B-c(+)) and sigma(B+) are the production cross sections for B-c(+) and B+ mesons. An indication of (b) over barc weak annihilation is found for the region m(K-pi(+)) < 1.834 GeV/c(2), with a significance of 2.4 standard deviations.text::journal::journal article::research article