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EPrisciandaro, JPritchard, AProuve, CPugatch, VNavarro, APPunzi, GQian, WRachwal, BRademacker, JHRakotomiaramanana, BRama, MRangel, MSRaniuk, IRauschmayr, NRaven, GReichert, SReid, MMdos Reis, ACRicciardi, SRichards, SRihl, MRinnert, KMolina, VRRomero, DARRobbe, PRodrigues, ABRodrigues, EPerez, PRRoiser, SRomanovsky, VVidal, ARRotondo, MRouvinet, JRuf, TRuiz, HValls, PRSilva, JJSSagidova, NSail, PSaitta, BGuimaraes, VSMayordomo, CSSedes, BSSantacesaria, RRios, CSSantovetti, ESarti, ASatriano, CSatta, ASaunders, DMSavrina, DSchiller, MSchindler, HSchlupp, MSchmelling, MSchmidt, BSchneider, OSchopper, ASchune, MHSchwemmer, RSciascia, BSciubba, ASemennikov, ASepp, ISerra, NSerrano, JSestini, LSeyfert, PShapkin, MShapoval, IShcheglov, YShears, TShekhtman, LShevchenko, VShires, ACoutinho, RSSimi, GSirendi, MSkidmore, NSkwarnicki, TSmith, NASmith, ESmith, ESmith, JSmith, MSnoek, HSokoloff, MDSoler, FJPSoomro, FSouza, DDe Paula, BSSpaan, BSparkes, ASpradlin, PSridharan, SStagni, FStahl, MStahl, SSteinkamp, OStenyakin, OStevenson, SStoica, SStone, SStoraci, BStracka, SStraticiuc, MStraumann, UStroili, RSubbiah, VKSun, LSutcliffe, WSwientek, KSwientek, SSyropoulos, VSzczekowski, MSzczypka, PSzumlak, TT'Jampens, STeklishyn, MTellarini, GTeubert, FThomas, CThomas, Evan Tilburg, JTisserand, VTobin, MTolk, STomassetti, LTonelli, DTopp-Joergensen, STorr, NTournefier, ETourneur, STran, MTTresch, MTrisovic, ATsaregorodtsev, ATsopelas, PTuning, NGarcia, MUUkleja, AUstyuzhanin, AUwer, UVagnoni, VValenti, GVallier, AGomez, RVRegueiro, PVSierra, CVVecchi, SVelthuis, JJVeltri, MVeneziano, GVesterinen, MViaud, BVieira, DDiaz, MVVilasis-Cardona, XVollhardt, AVolyanskyy, DVoong, DVorobyev, AVorobyev, VVoss, Cde Vries, JAWaldi, RWallace, CWallace, RWalsh, JWandernoth, SWang, JWard, DRWatson, NKWebsdale, DWhitehead, MWicht, JWiedner, DWilkinson, GWilliams, MPWilliams, MWilson, FFWimberley, JWishahi, JWislicki, WWitek, MWormser, GWotton, SAWright, SWu, SWyllie, KXie, YXing, ZXu, ZYang, ZYuan, XYushchenko, OZangoli, MZavertyaev, MZhang, LZhang, WCZhang, YZhelezov, AZhokhov, AZhong, LZvyagin, A2024-07-182024-07-181029-8479http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/11187The production of chi(b) mesons in proton-proton collisions is studied using a data sample collected by the LHCb detector, at centre-of-mass energies of root s = 7 and 8 TeV and corresponding to an integrated luminosity of 3.0 fb(-1). The chi(b) mesons are identified through their decays to Upsilon(1 S)gamma and Upsilon(2 S)gamma using photons that converted to e(+)e (-) pairs in the detector. The relative prompt production rate of chi(b1)(1 P) and chi(b2)(1 P) mesons is measured as a function of the Upsilon(1 S) transverse momentum in the chi(b) rapidity range 2.0 < y < 4.5. A precise measurement of the chi(b) (3 P) mass is also performed. Assuming a mass splitting between the chi(b1)(3 P) and the chi(b2)(3 P) states of 10.5 MeV/c(2), the measured mass of the chi(b1)(3 P) meson is m (chi(b1)(3 P)) = 10515.7(-3.9)(+2.2)(stat)(-2.1)(+1.5)(syst) MeV/c(2).EnglishDECAYUPSILONPSIArticle