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A.Seco M.Semennikov A.Sepp I.Serra N.Serrano J.Sestini L.Seyfert P.Shapkin M.Shapoval I.Shcheglov Y.Shears T.Shekhtman L.Shevchenko V.Shires A.Silva Coutinho R.Simi G.Sirendi M.Skidmore N.Skwarnicki T.Smith N.A.Smith E.Smith E.Smith J.Smith M.Snoek H.Sokoloff M.D.Soler F.J.P.Soomro F.Souza D.Souza De Paula B.Spaan B.Sparkes A.Spradlin P.Sridharan S.Stagni F.Stahl M.Stahl S.Steinkamp O.Stenyakin O.Stevenson S.Stoica S.Stone S.Storaci B.Stracka S.Straticiuc M.Straumann U.Stroili R.Subbiah V.K.Sun L.Sutcliffe W.Swientek K.Swientek S.Syropoulos V.Szczekowski M.Szczypka P.Szilard D.Szumlak T.T'Jampens S.Teklishyn M.Tellarini G.Teubert F.Thomas C.Thomas E.Van Tilburg J.Tisserand V.Tobin M.Tolk S.Tomassetti L.Tonelli D.Topp-Joergensen S.Torr N.Tournefier E.Tourneur S.Tran M.T.Tresch M.Tsaregorodtsev A.Tsopelas P.Tuning N.Ubeda Garcia M.Ukleja A.Ustyuzhanin A.Uwer U.Vagnoni V.Valenti G.Vallier A.Vazquez Gomez R.Vazquez Regueiro P.Vázquez Sierra C.Vecchi S.Velthuis J.J.Veltri M.Veneziano G.Vesterinen M.Viaud B.Vieira D.Vieites Diaz M.Vilasis-Cardona X.Vollhardt A.Volyanskyy D.Voong D.Vorobyev A.Vorobyev V.Voß C.Voss H.De Vries J.A.Waldi R.Wallace C.Wallace R.Walsh J.Wandernoth S.Wang J.Ward D.R.Watson N.K.Websdale D.Whitehead M.Wicht J.Wiedner D.Wilkinson G.Williams M.P.Williams M.Wilson F.F.Wimberley J.Wishahi J.Wislicki W.Witek M.Wormser G.Wotton S.A.Wright S.Wu S.Wyllie K.Xie Y.Xing Z.Xu Z.Yang Z.Yuan X.Yushchenko O.Zangoli M.Zavertyaev M.Zhang L.Zhang W.C.Zhang Y.Zhelezov A.Zhokhov A.Zhong L.Zvyagin A.2024-07-222024-07-22201400319007http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/16704Three-body B+→pp¯K+ and B+→pp¯π+ decays are studied using a data sample corresponding to an integrated luminosity of 3.0fb-1 collected by the LHCb experiment in proton-proton collisions at center-of-mass energies of 7 and 8 TeV. Evidence of CP violation in the B+→pp¯K+ decay is found in regions of the phase space, representing the first measurement of this kind for a final state containing baryons. Measurements of the forward-backward asymmetry of the light meson in the pp¯ rest frame yield AFB(pp¯K+,mpp¯<2.85GeV/c2)=0.495±0.012(stat)±0.007(syst) and AFB(pp¯π+,mpp¯<2.85GeV/c2)=-0.409±0.033(stat)±0.006(syst). In addition, the branching fraction of the decay B+→Λ¯(1520)p is measured to be B(B+→Λ¯(1520)p)=(3.15±0.48(stat)±0.07(syst)±0.26(BF))×10-7, where BF denotes the uncertainty on secondary branching fractions. © 2014 CERN, for the LHCb Collaboration.EnglishAll Open Access; Hybrid Gold Open AccessHadronsPhase space methodsProtonsTellurium compoundsBranching fractionsCenter-of-mass energiesCP violationsData sampleForward-backward asymmetryIntegrated luminosityMeasurements ofProton proton collisionsSupersymmetryArticle10.1103/PhysRevLett.113.141801