English
Related papers

Related papers: Heavy Flavour Electroweak Physics Review

200 papers

The discrepancies between the measurements of rare (semi-)leptonic $B$ decays and the corresponding Standard Model predictions point convincingly towards the existence of new physics for which a heavy neutral gauge boson ($Z^\prime$) is a…

High Energy Physics - Phenomenology · Physics 2022-08-31 Marcel Algueró , Andreas Crivellin , Claudio Andrea Manzari , Joaquim Matias

We review some selected topics in the decays of heavy flavours, beauty and charm, which are of principal interest at HERA-B and HERA. The topics in $B$ physics include: an update on the quark mixing matrix and CP violating phases, issues…

High Energy Physics - Phenomenology · Physics 2016-09-06 A. Ali , H. Schroeder

Recent branching fraction and asymmetry results of Electroweak Penguin B decays from BaBar, Belle and CLEO experiments are reviewed. While these branching fractions are consistent with the Standard Model expectations and are being used to…

High Energy Physics - Experiment · Physics 2014-11-17 Sridhara Dasu

The LHeC is a proposed upgrade of the LHC to study $ep/eA$ collisions in the TeV regime, by adding a 60 GeV electron beam through an energy recovery linac. In $ep$, high precision top and electroweak physics can be performed, such as…

High Energy Physics - Experiment · Physics 2015-11-18 Zhiqing Zhang

The couplings of the fermions to the Z boson are of great importance in establishing the validity of the Standard Model and in looking for physics beyond it. The couplings of the b-quark to the Z boson have been the subject of much…

High Energy Physics - Phenomenology · Physics 2011-01-25 Peter B. Renton

The 125 GeV boson is quite consistent with the Higgs boson of the Standard Model (SM), but there is a challenge from Anderson whether this particle is in the Lagrangian. As LHC Run 2 takes its final year of running, we ought to reflect and…

High Energy Physics - Phenomenology · Physics 2018-08-03 Wei-Shu Hou

The present report of the RF2 Topical Group to Snowmass 2021 describes the physics case for the studies of weak decays of strange and light quarks. Ongoing and proposed precision measurements of kaon, hyperon, pion and $\eta^{(\prime)}$…

High Energy Physics - Experiment · Physics 2022-09-16 Evgueni Goudzovski , Emilie Passemar

We show that the observation of energetic charged leptons from semileptonic $B$-meson decays at the LEP and SLC $Z$--boson factories offers a unique opportunity to measure the quark mixing matrix element $|V_{ub}|$. We present various…

High Energy Physics - Phenomenology · Physics 2009-09-25 C. S. Kim , A. D. Martin

The physics case and an experimental overview of the MOLLER (Measurement Of a Lepton Lepton Electroweak Reaction) experiment at the 12 GeV upgraded Jefferson Lab are presented. A highlight of the Fundamental Symmetries subfield of the 2007…

Nuclear Experiment · Physics 2014-12-04 MOLLER Collaboration , J. Benesch , P. Brindza , R. D. Carlini , J-P. Chen , E. Chudakov , S. Covrig , M. M. Dalton , A. Deur , D. Gaskell , A. Gavalya , J. Gomez , D. W. Higinbotham , C. Keppel , D. Meekins , R. Michaels , B. Moffit , Y. Roblin , R. Suleiman , R. Wines , B. Wojtsekhowski , G. Cates , D. Crabb , D. Day , K. Gnanvo , D. Keller , N. Liyanage , V. V. Nelyubin , H. Nguyen , B. Norum , K. Paschke , V. Sulkosky , J. Zhang , X. Zheng , J. Birchall , P. Blunden , M. T. W. Gericke , W. R. Falk , L. Lee , J. Mammei , S. A. Page , W. T. H. van Oers , K. Dehmelt , A. Deshpande , N. Feege , T. K. Hemmick , K. S. Kumar , T. Kutz , R. Miskimen , M. J. Ramsey-Musolf , S. Riordan , N. Hirlinger Saylor , J. Bessuille , E. Ihloff , J. Kelsey , S. Kowalski , R. Silwal , G. De Cataldo , R. De Leo , D. Di Bari , L. Lagamba , E. NappiV. Bellini , F. Mammoliti , F. Noto , M. L. Sperduto , C. M. Sutera , P. Cole , T. A. Forest , M. Khandekar , D. McNulty , K. Aulenbacher , S. Baunack , F. Maas , V. Tioukine , R. Gilman , K. Myers , R. Ransome , A. Tadepalli , R. Beniniwattha , R. Holmes , P. Souder , D. S. Armstrong , T. D. Averett , W. Deconinck , W. Duvall , A. Lee , M. L. Pitt , J. A. Dunne , D. Dutta , L. El Fassi , F. De Persio , F. Meddi , G. M. Urciuoli , E. Cisbani , C. Fanelli , F. Garibaldi , K. Johnston , N. Simicevic , S. Wells , P. M. King , J. Roche , J. Arrington , P. E. Reimer , G. Franklin , B. Quinn , A. Ahmidouch , S. Danagoulian , O. Glamazdin , R. Pomatsalyuk , R. Mammei , J. W. Martin , T. Holmstrom , J. Erler , Yu. G. Kolomensky , J. Napolitano , K. A. Aniol , W. D. Ramsay , E. Korkmaz , D. T. Spayde , F. Benmokhtar , A. Del Dotto , R. Perrino , S. Barkanova , A. Aleksejevs , J. Singh

We review recent results from the BABAR and Belle experiments on rare electroweak B-meson decays, with emphasis on those occurring through flavor changing neutral current interactions of the type b -> s l l. The recent results include…

High Energy Physics - Experiment · Physics 2019-08-13 Jack L. Ritchie

[abridged] Bound states of heavy quarks can serve as a laboratory for inquiry into the behaviour of the fundamental strong and electroweak interactions. This thesis examines observations of B0, B0bar, and B+- mesons produced in…

High Energy Physics - Experiment · Physics 2007-05-23 Andreas T. Warburton

This paper describes recent developments in Heavy Flavour physics at LEP, focusing on a new result from the ALEPH Collaboration on the search for flavour oscillations of the Bs meson. The impact of this analysis on the world combination and…

High Energy Physics - Experiment · Physics 2007-05-23 Andrea Sciaba

Recent electroweak results from the CDF and D0 Collaborations at the Fermilab Tevatron Collider are presented. After a brief description of the \D0 measurements of W/Z production cross sections, W width, W mass and W \to \tau \nu decays,…

High Energy Physics - Experiment · Physics 2007-05-23 Krishnaswamy Gounder

There are two aspects to the 1995 summer update of the combined preliminary electroweak data from LEP and SLC. On the one hand, agreement between experiments and the Standard Model (SM) has improved for the line-shape and the asymmetry…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kaoru Hagiwara

Recent measurements at the Large Hadron Collider allow for a robust and precise characterisation of the electro-weak interactions of the top quark. We present the results of a global analysis at next-to-leading order precision including…

High Energy Physics - Phenomenology · Physics 2022-02-14 Víctor Miralles , Marcos Miralles López , María Moreno Llácer , Ana Peñuelas , Martín Perelló , Marcel Vos

Measurements of electroweak boson production provide an important test of the Standard Model at the LHC energies and allow the partonic content of the proton to be constrained. $W$ and $Z$ bosons are reconstructed in several leptonic final…

High Energy Physics - Experiment · Physics 2014-08-07 Simone Bifani

A direct search for charged lepton-flavour violation in top-quark decays is presented. The data analysed correspond to $79.8\ \text{fb}^{-1}$ of proton--proton collisions at a centre-of-mass energy of $\sqrt{s}=13\ \text{TeV}$ recorded by…

High Energy Physics - Experiment · Physics 2018-09-25 Carlo A. Gottardo

The Qweak experiment at Jefferson Lab aims to make a 4% measurement of the parity-violating asymmetry in elastic scattering at very low $Q^2$ of a longitudinally polarized electron beam on a proton target. The experiment will measure the…

High Energy Physics - Experiment · Physics 2019-08-14 Gregory S. Mitchell

The standard model can be interpreted as the leading order of a Low-Energy Effective Theory (LEET) invariant under a higher non linearly realized symmetry $S_{nat}\supset SU(2)_W \times U(1)_Y$ equipped with a systematic power counting.…

High Energy Physics - Phenomenology · Physics 2009-01-06 V. Bernard , M. Oertel , E. Passemar , J. Stern

The forward-backward asymmetry of $b$-quarks measured at LEP in $e^+e^-$ collisions at the Z pole, $A_{FB}^{0,b}|^{\rm exp} = 0.0992\pm0.0016$, remains today the electroweak precision observable with the largest disagreement (2.8$\sigma$)…

High Energy Physics - Experiment · Physics 2018-06-08 David d'Enterria , Cynthia Yan