. . . . "\u0160im\u00E1k, Vladislav" . "P(1P05LA257), P(LC527)" . . . "Excited B mesons B_1 and B_2* are observed directly for the first time as two separate states in fully reconstructed decays to B+(*) pi-. The mass of B_1 is measured to be (5720.6 +- 2.4 +- 1.4) MeV/c^2 and the mass difference DeltaM between B_2* and B_1 is (26.2 +- 3.1 +- 0.9) MeV/c^2. The production rate for B_1 and B_2* mesons is determined to be a fraction (13.9 +- 1.9 +- 3.2)% of the production rate of the B+ meson." . . "Physical Review Letters" . . "21340" . . "RIV/68407700:21340/07:04144324" . "0031-9007" . "4"^^ . "B mesons; mass"@en . "Excited B mesons B_1 and B_2* are observed directly for the first time as two separate states in fully reconstructed decays to B+(*) pi-. The mass of B_1 is measured to be (5720.6 +- 2.4 +- 1.4) MeV/c^2 and the mass difference DeltaM between B_2* and B_1 is (26.2 +- 3.1 +- 0.9) MeV/c^2. The production rate for B_1 and B_2* mesons is determined to be a fraction (13.9 +- 1.9 +- 3.2)% of the production rate of the B+ meson."@en . "Prvn\u00ED p\u0159\u00EDm\u00E9 pozorov\u00E1n\u00ED B mezon\u016F B_1 a B_2* jako samostatn\u00FDch stav\u016F z rekonstrukce rozpadu B+(*) pi-. Byla zm\u011B\u0159ena hmota B_1 5720.6 +/- 2.4 +/-1.4 MeV/c^2 a rozd\u00EDl mezi B_1 a B_2* 26.2 +/- 3.1 +/- 0.9 MeV/c^2. Produkce B_1 a B_2* byla ur\u010Dena jako pom\u011Br (13.9 +/- 1.9 +/- 3.2)% produkce B+ mezonu."@cs . . . "Abazov, V. M." . "17" . "7"^^ . "Vok\u00E1\u010D, Petr" . "Observation and Properties of L = 1 B(1) and B*(2) Mesons." . "Hub\u00E1\u010Dek, Zden\u011Bk" . . "438622" . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . "6"^^ . . "Otec, Roman" . "Pozorov\u00E1n\u00ED a vlastnosti L = 1 B(1) a B*(2) Mezon\u016F."@cs . "172001;172008" . "Pozorov\u00E1n\u00ED a vlastnosti L = 1 B(1) a B*(2) Mezon\u016F."@cs . "RIV/68407700:21340/07:04144324!RIV08-MSM-21340___" . "Observation and Properties of L = 1 B(1) and B*(2) Mesons."@en . . . "[365AC12131A1]" . "Observation and Properties of L = 1 B(1) and B*(2) Mesons." . . "99" . "Observation and Properties of L = 1 B(1) and B*(2) Mesons."@en . . .