CERN Accelerating science

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1.
Top B Physics at the LHC / Gedalia, Oram (Weizmann Inst.) ; Isidori, Gino (CERN ; Frascati) ; Maltoni, Fabio (Louvain U., CP3) ; Perez, Gilad (Weizmann Inst. ; CERN) ; Selvaggi, Michele (Louvain U., CP3) ; Soreq, Yotam (Weizmann Inst.)
In top-pair events where at least one of the tops decays semi-leptonically, the identification of the lepton charge allows to tag not only the top charge but also that of the subsequent b quark. In cases where the b also decays semi-leptonically, the charge of the two leptons can be used to probe CP violation in heavy flavor mixing and decays. [...]
arXiv:1212.4611; CERN-PH-TH-2012-352; CP3-12-56; CERN-PH-TH-2012-352; CP3-12-56.- 2013-06-05 - 5 p. - Published in : Phys. Rev. Lett. 110 (2013) 232002 APS Published version, local copy: PDF; Fulltext: PDF; External link: Preprint
2.
Implications of LHCb measurements and future prospects / LHCb Collaboration
During 2011 the LHCb experiment at CERN collected $1.0 {\mbox{fb}^{-1}}$ of $\sqrt{s} = 7 {\mathrm{\,Te\kern -0.1em V}}$ $pp$ collisions. Due to the large heavy quark production cross-sections, these data provide unprecedented samples of heavy flavoured hadrons. [...]
arXiv:1208.3355; LHCb-PUB-2012-006; LHCB-PAPER-2012-031; CERN-PH-EP-2012-334; LHCb-PUB-2012-006; LHCB-PAPER-2012-031; CERN-PH-EP-2012-334.- Geneva : CERN, 2013-04-26 - 178 p. - Published in : Eur. Phys. J. C 73 (2013) 2373 Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; External links: PDF on ECONF; Proceedings write-up on ECONF
3.
Predictions from Heavy New Physics Interpretation of the Top Forward-Backward Asymmetry / Delaunay, Cédric (CERN) ; Gedalia, Oram (Weizmann Inst.) ; Hochberg, Yonit (Weizmann Inst.) ; Soreq, Yotam (Weizmann Inst.)
We derive generic predictions at hadron colliders from the large forward-backward asymmetry observed at the Tevatron, assuming the latter arises from heavy new physics beyond the Standard Model. We use an effective field theory approach to characterize the associated unknown dynamics. [...]
arXiv:1207.0740.- 2012 - Published in : JHEP 12 (2012) 053 Springer Open Access article: PDF; External link: Preprint
4.
On the Universality of CP Violation in Delta F = 1 Processes / Gedalia, Oram (Weizmann Inst.) ; Kamenik, Jernej F. (Stefan Inst., Ljubljana ; Ljubljana U.) ; Ligeti, Zoltan (LBL, Berkeley) ; Perez, Gilad (Weizmann Inst. ; CERN)
We show that new physics that breaks the left-handed SU(3)_Q quark flavor symmetry induces contributions to CP violation in Delta F = 1 processes which are approximately universal, in that they are not affected by flavor rotations between the up and the down mass bases. Therefore, such flavor violation cannot be aligned, and is constrained by the strongest bound from either the up or the down sectors. [...]
arXiv:1202.5038; CERN-PH-TH-2012-030; CERN-PH-TH-2012-030.- 2012-07-24 - 10 p. - Published in : Phys. Lett. B 714 (2012) 55-61 Fulltext: S0370269312006892 - XML; arXiv:1202.5038 - PDF;

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