rpp2010-list-Bs-zero - Citation K Nakamura et al(Particle...

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Unformatted text preview: Citation: K. Nakamura et al. (Particle Data Group), JP G 37 , 075021 (2010) (URL: http://pdg.lbl.gov) B s I ( J P ) = 0(0 − ) I , J , P need confirmation. Quantum numbers shown are quark- model predictions. B s MASS B s MASS B s MASS B s MASS VALUE (MeV) EVTS DOCUMENT ID TECN COMMENT 5366 . 3 ± . 6 OUR FIT 5366 . 3 ± . 6 OUR FIT 5366 . 3 ± . 6 OUR FIT 5366 . 3 ± . 6 OUR FIT Error includes scale factor of 1.1. 5366 . ± . 9 OUR AVERAGE 5366 . ± . 9 OUR AVERAGE 5366 . ± . 9 OUR AVERAGE 5366 . ± . 9 OUR AVERAGE Error includes scale factor of 1.3. See the ideogram below. 5364 . 4 ± 1 . 3 ± . 7 L O U V O T 9 B E L L e + e − → Υ (5 S ) 5366 . 01 ± . 73 ± . 33 1 ACOSTA 06 CDF p p at 1.96 TeV 5369 . 9 ± 2 . 3 ± 1 . 3 3 2 2 ABE 96 B CDF p p at 1.8 TeV 5374 ± 16 ± 2 3 A B R E U 9 4 D DLPH e + e − → Z 5359 ± 19 ± 7 1 2 AKERS 94 J OPAL e + e − → Z 5368 . 6 ± 5 . 6 ± 1 . 5 2 B U S K U L I C 9 3 G ALEP e + e − → Z • • • We do not use the following data for averages, fits, limits, etc. • • • 5370 ± 1 ± 3 D R U T S K O Y 7 A BELL Repl. by LOUVOT 09 5370 ± 40 6 3 AKERS 94 J OPAL e + e − → Z 5383 . 3 ± 4 . 5 ± 5 . 1 4 A B E 9 3 F CDF Repl by ABE 96 B 1 Uses exclusively reconstructed final states containing a J /ψ → μ + μ − decays. 2 From the decay B s → J /ψ (1 S ) φ . 3 From the decay B s → D − s π + . WEIGHTED AVERAGE 5366.0 ± 0.9 (Error scaled by 1.3) Values above of weighted average, error, and scale factor are based upon the data in this ideogram only. They are not neces- sarily the same as our ‘best’ values, obtained from a least-squares constrained fit utilizing measurements of other (related) quantities as additional information. BUSKULIC 93G ALEP AKERS 94J OPAL ABREU 94D DLPH ABE 96B CDF 2.2 ACOSTA 06 CDF 0.0 LOUVOT 09 BELL 1.1 χ 2 3.3 (Confidence Level = 0.188) 5360 5365 5370 5375 5380 5385 B s mass (MeV) HTTP://PDG.LBL.GOV Page 1 Created: 10/22/2010 12:46 Citation: K. Nakamura et al. (Particle Data Group), JP G 37 , 075021 (2010) (URL: http://pdg.lbl.gov) m B s − m B m B s − m B m B s − m B m B s − m B m B is the average of our B masses ( m B ± + m B )/2. VALUE (MeV) CL% DOCUMENT ID TECN COMMENT 87 . ± . 6 OUR FIT 87 . ± . 6 OUR FIT 87 . ± . 6 OUR FIT 87 . ± . 6 OUR FIT 86 . 9 ± . 8 OUR AVERAGE 86 . 9 ± . 8 OUR AVERAGE 86 . 9 ± . 8 OUR AVERAGE 86 . 9 ± . 8 OUR AVERAGE 86 . 64 ± . 80 ± . 08 4 ACOSTA 06 CDF p p at 1.96 TeV 89 . 7 ± 2 . 7 ± 1 . 2 ABE 96 B CDF p p at 1.8 TeV • • • We do not use the following data for averages, fits, limits, etc. • • • 80 to 130 68 LEE-FRANZINI 90 CSB2 e + e − → Υ (5 S ) 4 The reported result is m B s − m B = 86 . 38 ± . 90 ± . 06 MeV. We convert it to the mass difference with respect to the average of ( m B ± + m B )/2....
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