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相关论文: CP tests for high-$p_T$ multi-leptons

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We analyze the Tevatron and Large Hadron Collider (LHC) reach for the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM) in the presence of explicit CP-violation. Using the most recent studies from the Tevatron and LHC…

高能物理 - 唯象学 · 物理学 2011-05-12 Patrick Draper , Tao Liu , Carlos E. M. Wagner

A search for $CP$ and $P$ violation in charmless four-body $B^{0} \to p \bar p K^{+} \pi^{-}$ decays is performed using triple-product asymmetry observables. It is based on proton-proton collision data collected by the LHCb experiment at…

高能物理 - 实验 · 物理学 2023-08-17 LHCb collaboration

Under the assumption that the various evidences of a `95 GeV' excess, seen in data at the Large Electron Positron (LEP) collider as well as the Large Hadron Collider (LHC), correspond to actual signals of new physics Beyond the Standard…

高能物理 - 唯象学 · 物理学 2025-08-27 Tanmoy Mondal , Stefano Moretti , Prasenjit Sanyal

The CP properties of effective operators are closely related to the spacetime and internal symmetries, such as the flavor symmetry, in the standard model effective field theory (SMEFT). In this work, we utilize the flavor symmetry to…

高能物理 - 唯象学 · 物理学 2025-02-07 Hao Sun , Jiang-Hao Yu

In this decade, the exploration of CP violation is governed by the B-meson system, where non-leptonic decays play an outstanding role. To set the stage, we have first a look at the main strategies to circumvent the calculation of the…

高能物理 - 唯象学 · 物理学 2007-05-23 Robert Fleischer

Several topics on CP violation in the lepton sector are reviewed. A few theoretical aspects concerning neutrino masses, leptonic mixing, and CP violation will be covered, with special emphasis on seesaw models. A discussion is provided on…

高能物理 - 唯象学 · 物理学 2015-06-03 G. C. Branco , R. Gonzalez Felipe , F. R. Joaquim

We investigate the sensitivity of the next generation of flavor-based low-energy experiments to probe the supersymmetric parameter space in the context of the phenomenological MSSM (pMSSM), and examine the complementarity with direct…

高能物理 - 唯象学 · 物理学 2016-02-24 Joshua Berger , Matthew W. Cahill-Rowley , Diptimoy Ghosh , JoAnne L. Hewett , Ahmed Ismail , Thomas G. Rizzo

$B$ flavor tagging will be extensively studied at the asymmetric $B$ factories due to its importance in CP asymmetry measurements. The primary tagging modes are the semileptonic decays of the $b$ (lepton tag), or the hadronic $b \to c (\to…

高能物理 - 唯象学 · 物理学 2011-01-25 Yuval Grossman , Jose R. Pelaez , Mihir P. Worah

We estimate the sensitivity of single lepton CP violation measurements with respect to that of traditional di-lepton measurements. We find that the sensitivity of the single lepton method is better than that of the di-lepton method. The…

高能物理 - 唯象学 · 物理学 2009-10-30 Hitoshi Yamamoto

In this talk we briefly present a flavor-SU(3) technique to study branching ratios and direct CP asymmetries $D$-meson decays. The first part of the talk is meant to set up a foundation, based on previous work, to deal with flavor-SU(3)…

高能物理 - 唯象学 · 物理学 2012-08-07 Bhubanjyoti Bhattacharya , Michael Gronau , Jonathan L. Rosner

CP violation at low energy is investigated at the tau electromagnetic vertex. High statistics at B factories, and on top of the Upsilon resonances, allows a detailed investigation of CP-odd observables related to the tau-pair production.…

高能物理 - 唯象学 · 物理学 2009-11-10 J. Bernabeu , G. A. Gonzalez-Sprinberg , J. Vidal

The area of the unitarity triangle is a measure of CP-violation. We introduce the leptonic unitarity triangles and study their properties. We consider the possibility of reconstructing the unitarity triangle in future oscillation and…

高能物理 - 唯象学 · 物理学 2009-11-07 Y. Farzan , A. Yu. Smirnov

Model independent tests for symmetry violations in tau decays are important for determining whether the tau lepton is elementary or, instead, macroscopic. Such tests are also significant steps towards resolving the outstanding "e - mu -…

高能物理 - 唯象学 · 物理学 2008-02-03 Charles A. Nelson

CP-nonconserving effects in the reaction p p-bar -> t b-bar +X -> W^+ b b-bar +X, driven by the supersymmetric CP-odd phase of the stop trilinear soft breaking term, \arg(A_t), are studied. We discuss the CP-nonconserving effects in both…

高能物理 - 唯象学 · 物理学 2009-10-30 S. Bar-Shalom , D. Atwood , A. Soni

We suggest that the forward-backward asymmetry $(A_{FB})$ of the charged lepton in $gg\to H\to\gamma Z\to\gamma \ell^-\ell^+$ process could be used to probe the CP violating $H\gamma Z$ coupling when the interference from $gg\to\gamma…

高能物理 - 唯象学 · 物理学 2017-08-29 Xia Wan

We demonstrate in a general framework that polarized photons by backscattered laser beams of adjustable frequencies at a TeV linear $e^+e^-$ collider provide us with a very efficient mechanism to probe CP violation in two-photon collisions.…

高能物理 - 唯象学 · 物理学 2008-11-26 S. Y. Choi , K. Hagiwara , M. S. Baek

We discuss leptonic mixing and CP violation at low and high energies, emphasizing possible connections between leptogenesis and CP violation at low energies, in the context of lepton flavour models. Furthermore we analyse weak basis…

高能物理 - 唯象学 · 物理学 2009-11-10 Gustavo C. Branco , M. N. Rebelo

We investigate a general structure of lepton mixing matrix resulting from the SU$_F$(3) gauge family model with an appropriate vacuum structure of SU$_F$(3) symmetry breaking. It is shown that the lepton mixing matrix can be parametrized by…

高能物理 - 唯象学 · 物理学 2015-06-19 Zhuo Liu , Yue-Liang Wu

We review the current status of the data on neutrino masses and lepton mixing and the prospects for measuring the CP-violating phases in the lepton sector. The possible connection between low energy CP violation encoded in the Dirac and…

高能物理 - 唯象学 · 物理学 2018-03-05 C. Hagedorn , R. N. Mohapatra , E. Molinaro , C. C. Nishi , S. T. Petcov

We analyze the prospect for observing the intermediate neutral Higgs boson ($h_2$) in its decay to two lighter Higgs bosons ($h_1$) at the presently operating hadron colliders in the framework of the CP violating MSSM using the PYTHIA event…

高能物理 - 唯象学 · 物理学 2011-02-18 Siba Prasad Das , Manuel Drees
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