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Related papers: HERA-B Status

200 papers

We review the salient features of $B$-meson physics, with particular emphasis on the measurements carried out at the $B$-factories and Tevatron, theoretical progress in understanding these measurements in the context of the standard model,…

High Energy Physics - Phenomenology · Physics 2017-08-23 Ahmed Ali

A time dependent angular analysis of the decay mode $B_s \rightarrow J/\psi \phi$ allows for the measurement of the mixing induced CP-violating phase $\phi_s$. Within the Standard Model $\phi_s$ is theoretically precisely predicted to be…

High Energy Physics - Experiment · Physics 2019-08-13 Stephanie Hansmann-Menzemer

The high energy program of the HERA $ep$ collider ended in March 2007, where data equivalent to an integrated luminosity of $\sim$ 0.5 fb$^{-1}$ has been collected by the H1 experiment. In this context, some of the most recent results from…

High Energy Physics - Experiment · Physics 2009-06-12 Trinh Thi Nguyet

The CLEO detector is located at the CESR e+e- collider in Ithaca, NY. CLEO's wide range of experimental measurements in b-hadron decays is represented by improved measurements of Vcb and Vub, rare B decays, and bb-bar spectroscopy. New…

High Energy Physics - Experiment · Physics 2019-08-14 Eckhard von Toerne

The BABAR and Belle experiments have made detailed studies of time-dependent CP violation in the B meson sector. If CPT is conserved, CP violation should imply the presence of time-reversal violation. Production of entangled neutral B…

High Energy Physics - Experiment · Physics 2019-08-15 Ray F. Cowan

BTeV and LHC-B are experiments being proposed to study $b$ and $c$ quark decays in hadron-hadron collisions with the aims to look for new phenomena beyond the Standard Model and to measure Standard Model parameters including CKM elements…

High Energy Physics - Phenomenology · Physics 2009-09-25 Sheldon Stone

The operation of HERA with polarized proton and electron beams will allow to study a wide variety of observables in polarized electron-proton collisions at $\sqrt s=300$ GeV. The physics prospects of this project have been elaborated in…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. De Roeck , T. Gehrmann

Decays of b-hadrons are the ideal place to perform measurements of CP violation. Many decay channels allow to over-constrain the unitarity triangles of the CKM matrix and test the SM hypothesis that a single phase is the origin of all CP…

High Energy Physics - Experiment · Physics 2019-08-13 Luca Pescatore

The luminosity of the electron-proton collider, HERA, will be increased by a factor of five during the long shutdown starting September 2000. At the same time longitudinal lepton beam polarisation will be provided for the collider…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. R. Long

Since its commissioning in 1991, the ep collider HERA has been running successfully for almost a decade without stopping improving its performance. In this report, the inclusive cross section and structure function measurements for the deep…

High Energy Physics - Phenomenology · Physics 2007-05-23 Zhiqing Zhang

We report on a search for CP violation in the decay $ D^\pm \to K^0_{\scriptscriptstyle S} \pi^\pm $ using a data set corresponding to an integrated luminosity of $ 469\,\,fb^{-1} $ collected with the \slshape B\kern-0.1em{\smaller…

High Energy Physics - Experiment · Physics 2011-06-07 The BABAR Collaboration , P. del Amo Sanchez

The recent experimental results of CP violation in Bs decays other than in the J/psi phi final state are discussed. Included are the resonant components and $\phi_s$ determination in Bs -> J/psi pi+ pi-, CP asymmetries in Bs -> h+ h'-…

High Energy Physics - Experiment · Physics 2019-08-13 L. Zhang

Rare b decays provide a unique opportunity to measure Standard Model parameters and probe beyond the Standard Model. We review here the experimentalprogress made in measuring these decays, and the importance of future measurements,…

High Energy Physics - Phenomenology · Physics 2009-10-28 Stephen Playfer , Sheldon Stone

The production of $\Upsilon$ mesons in fixed target $pN$ collisions is considered. It is shown that Non-Relativistic QCD predicts $\Upsilon$ states to be produced with sizeable transverse polarization. The possibility of a measurement of…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Kharchilava , T. Lohse , A. Somov , A. Tkabladze

Correlations that signal direct CP violation in the bottom sector are suggested. They need data on $Z\to b\bar b$ events which consist of a bottom hadron decay into an exclusive semileptonic channel $h \ell \nu $ (where $h$ is a hadron),…

High Energy Physics - Phenomenology · Physics 2009-10-30 G. V. Dass , K. V. L. Sarma

Flavour-tagged, time-dependent, angular analysis of the decay $B^0_s \to J/\psi \phi$ allows the determination of a CP-violating phase which in the Standard Model is denoted $-2\beta_s$, and is predicted to be very small. Many models of new…

High Energy Physics - Experiment · Physics 2010-06-08 Greig A Cowan

A search for narrow baryonic resonances decaying into Xi- pi- or Xi- pi+ and their antiparticles is carried out with the H1 detector using deep inelastic scattering events at HERA in the range of negative photon four-momentum transfer…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

Spin polarization and entanglement are utilized by the BESIII experiment to learn more about the production and decay properties of hyperon-antihyperon pairs in a series of recent analyses of its unprecedented datasets at the $J/\psi$ and…

High Energy Physics - Experiment · Physics 2023-02-28 Viktor Thorén

CP violation offers powerful probes to explore the quark-flavour sector, where decays of B mesons have been key players since decades. I discuss a variety of probes ranging from non-leptonic to rare B decays, offering exciting opportunities…

High Energy Physics - Phenomenology · Physics 2026-04-21 Robert Fleischer

We review recent important progresses at the B factories and discuss the future prospects. We also comment on how we might proceed to search for new physics.

High Energy Physics - Phenomenology · Physics 2007-05-23 A. I. Sanda , T. Yoshikawa
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