Hogan, J. (2015) Measurement of AFB in B± meson production at D0. Il nuovo cimento C, 38 (4). pp. 1-8. ISSN 1826-9885
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Abstract
We present a measurement of the forward-backward asymmetry in the production of B± mesons, AFB(B±), using B± → J/ψK± decays in 10.4 fb−1 of p¯p collisions at √s = 1.96 TeV collected by the D0 experiment during Run II of the Tevatron collider. A nonzero asymmetry would indicate a preference for a particular flavor, i.e., b quark or ¯b antiquark, to be produced in the direction of the proton beam. We extract AFB(B±) from a maximum-likelihood fit to the difference between the numbers of forward- and backward-produced B± mesons. We measure an asymmetry consistent with zero: AFB(B±) = [−0.24±0.41 (stat) ±0.19 (syst)]%.
| Item Type: | Article |
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| Uncontrolled Keywords: | Decays of bottom mesons; Charge conjugation, parity, time reversal, and other discrete symmetries |
| Subjects: | 500 Scienze naturali e Matematica > 530 Fisica |
| Depositing User: | Marina Spanti |
| Date Deposited: | 16 Jun 2020 10:18 |
| Last Modified: | 16 Jun 2020 10:18 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/19123 |
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