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Title: Search for ?c+ ??p?0 and branching fraction measurement of ?c+ ?k-?+p?0
Authors: Pal B.
Schwartz A.J.
Adachi I.
Aihara H.
Al Said S.
Asner D.M.
Aushev T.
Ayad R.
Badhrees I.
Bakich A.M.
Bansal V.
Behera P.
Berger M.
Bhardwaj V.
Biswal J.
Bobrov A.
Bozek A.
Bra?ko M.
Browder T.E.
?ervenkov D.
Chekelian V.
Chen A.
Cheon B.G.
Chilikin K.
Cho K.
Choi S.-K.
Choi Y.
Cinabro D.
Dash N.
Di Carlo S.
Dole�al Z.
Dr�sal Z.
Eidelman S.
Ferber T.
Fulsom B.G.
Gaur V.
Gabyshev N.
Garmash A.
Goldenzweig P.
Guido E.
Hara T.
Hayasaka K.
Hayashii H.
Hou W.-S.
Hsu C.-L.
Inami K.
Ishikawa A.
Itoh R.
Jacobs W.W.
Jaegle I.
Jeon H.B.
Jia S.
Jin Y.
Joffe D.
Joo K.K.
Karyan G.
Kato Y.
Kim D.Y.
Kim J.B.
Kim K.T.
Kim S.H.
Kim Y.J.
Kinoshita K.
Kody� P.
Korpar S.
Kotchetkov D.
Krokovny P.
Kuhr T.
Kulasiri R.
Kwon Y.-J.
Li C.H.
Li L.
Li Y.
Li Gioi L.
Libby J.
Liventsev D.
Lubej M.
Luo T.
MacNaughton J.
Matvienko D.
Merola M.
Miyabayashi K.
Miyata H.
Mizuk R.
Mohanty G.B.
Moon H.K.
Mori T.
Mussa R.
Nakano E.
Nakao M.
Nanut T.
Nath K.J.
Nayak M.
Niiyama M.
Nishida S.
Ogawa S.
Ono H.
Pakhlov P.
Pakhlova G.
Pardi S.
Park C.-S.
Paul S.
Pedlar T.K.
Pestotnik R.
Piilonen L.E.
Ritter M.
Rostomyan A.
Sakai Y.
Sandilya S.
Santelj L.
Sanuki T.
Savinov V.
Schneider O.
Schnell G.
Schwanda C.
Seino Y.
Senyo K.
Sevior M.E.
Shibata T.-A.
Shiu J.-G.
Simon F.
Sokolov A.
Solovieva E.
Stari? M.
Strube J.F.
Sumihama M.
Sumiyoshi T.
Takizawa M.
Tamponi U.
Tanida K.
Tenchini F.
Uchida M.
Uglov T.
Uno S.
Van Hulse C.
Varner G.
Varvell K.E.
Vinokurova A.
Vorobyev V.
Wang C.H.
Wang M.-Z.
Wang X.L.
Watanabe M.
Watanabe Y.
Watanuki S.
Widmann E.
Won E.
Yamashita Y.
Ye H.
Yelton J.
Yuan C.Z.
Zhang Z.P.
Zhilich V.
Zhukova V.
Zhulanov V.
Zupanc A.
Issue Date: 2017
Citation: 10
Abstract: We have searched for the Cabibbo-suppressed decay ?c+??p?0 in e+e-collisions using a data sample corresponding to an integrated luminosity of 915 fb-1. The data were collected by the Belle experiment at the KEKB e+e-A symmetric-energy collider running at or near the �'(4S) and �'(5S) resonances. No significant signal is observed, and we set an upper limit on the branching fraction of B(?c+??p?0)<15.3�10-5 at 90% confidence level. The contribution of nonresonant ?c+?K+K-p?0 decays is found to be consistent with zero, and the corresponding upper limit on its branching fraction is set to be B(?c+?K+K-p?0)NR<6.3�10-5 at 90% confidence level. We also search for an intermediate hidden-strangeness pentaquark decay Ps+??p. We see no evidence for this intermediate decay and set an upper limit on the product branching fraction of B(?c+?Ps+?0)�B(Ps+??p)<8.3�10-5 at 90% confidence level. Finally, we measure the branching fraction for the Cabibbo-favored decay ?c+?K-?+p?0; the result is B(?c+?K-?+p?0)=(4.42�0.05(stat)�0.12(syst)�0.16(norm))%, which is the most precise measurement to date. � 2017 American Physical Society.
Appears in Collections:Research Publications

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