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相关论文: A model for the LHC diboson excess

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A search for a heavy resonance decaying into a top quark and a W boson in proton-proton collisions at $\sqrt{s} =$ 13 TeV is presented. The data analyzed were recorded with the CMS detector at the LHC and correspond to an integrated…

高能物理 - 实验 · 物理学 2022-08-09 CMS Collaboration

We present a search for a new heavy charged vector boson $W^\prime$ decaying to an electron-neutrino pair in $p\bar{p}$ collisions at a center-of-mass energy of $1.96\unit{TeV}$. The data were collected with the CDF II detector and…

高能物理 - 实验 · 物理学 2011-02-18 The CDF Collaboration , T. Aaltonen

The CMS collaboration has reported a 2.8$\sigma$ excess in the search of the SU(2)$_R$ gauge bosons decaying through right-handed neutrinos into the two electron plus two jets ($eejj$) final states. This can be explained if the SU(2)$_R$…

高能物理 - 唯象学 · 物理学 2016-04-20 Arindam Das , Natsumi Nagata , Nobuchika Okada

The ATLAS experiment at the CERN Large Hadron Collider has performed searches for new, heavy bosons decaying to $WW$, $WZ$ and $ZZ$ final states in multiple decay channels using 20.3 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 8$ TeV.…

高能物理 - 实验 · 物理学 2016-03-31 ATLAS Collaboration

In this review phenomenological consequences of the Standard Model extension by means of new spin-1 chiral fields with the internal quantum numbers of the electroweak Higgs doublets are summarized. The prospects for resonance production and…

高能物理 - 唯象学 · 物理学 2015-05-30 M. V. Chizhov , V. A. Bednyakov , I. R. Boyko , J. A. Budagov , M. A. Demichev , I. V. Yeletskikh

A search for high-mass dimuon resonance production in association with one or more b quark jets is presented. The study uses proton-proton collision data collected with the CMS detector at the LHC corresponding to an integrated luminosity…

高能物理 - 实验 · 物理学 2023-10-13 CMS Collaboration

Searches for the standard model Higgs boson are reviewed from the 2 TeV run of the Tevatron with ~ 10 fb-1 of recorded data, and from the 7 and 8 TeV runs of the LHC, with ~ 5 and ~ 6 fb-1, respectively, i.e., until the July-2012 discovery…

高能物理 - 实验 · 物理学 2014-06-11 Gregorio Bernardi , Matthew Herndon

A search for heavy resonances that decay to tau lepton pairs is performed using proton-proton collisions at sqrt(s) = 13 TeV. The data were collected with the CMS detector at the CERN LHC and correspond to an integrated luminosity of 2.2…

高能物理 - 实验 · 物理学 2017-02-23 CMS Collaboration

Preliminary ATLAS and CMS results from the first 13 TeV LHC run have encountered an intriguing excess of events in the diphoton channel around the invariant mass of 750 GeV. We investigate a possibility that the current excess is due to a…

高能物理 - 唯象学 · 物理学 2016-08-24 Chien-Yi Chen , Michel Lefebvre , Maxim Pospelov , Yi-Ming Zhong

Motivated by a local $3.2-3.4$ sigma resonance in $WH$ and $ZH$ in the ATLAS Run 2 data, we attempt to interpret the excess in terms of a $W'$ boson in a $SU(2)_1 \times SU(2)_2 \times U(1)_X$ model. We stretch the deviation from the…

高能物理 - 唯象学 · 物理学 2017-08-02 Kingman Cheung , Wai-Yee Keung , Chih-Ting Lu , Po-Yan Tseng

In Higgsless models, new vector resonances appear to restore the unitarity of the W_L W_L scattering amplitude without the Higgs boson. In the ideal delocalized three site Higgsless model, one of large prodcution cross section of the…

高能物理 - 唯象学 · 物理学 2015-03-17 Masaki Asano , Yasuhiro Shimizu

A search for a massive resonance decaying into a pair of standard model Higgs bosons, in a final state consisting of two b quark-antiquark pairs, is performed. A data sample of proton-proton collisions at a centre-of-mass energy of 13 TeV…

高能物理 - 实验 · 物理学 2018-04-13 CMS Collaboration

The ATLAS collaboration has reported excesses in diboson invariant mass searches of new resonances around 2 TeV, which might be a prediction of new physics around that mass range. We interpret these results in the context of a modified…

高能物理 - 唯象学 · 物理学 2015-12-09 Wei Chao

The status of the electroweak precision measurements as of winter 2004 and the global test of the Standard Model are discussed. Important input data are the precision variables measured on the Z resonance at LEP and SLC and the measurements…

高能物理 - 实验 · 物理学 2007-05-23 Stefan Roth

We study the signatures for new TeV resonances that couple to top or bottom quarks both at the Tevatron Run II and at the LHC. We find that it is possible to study these resonances when they are produced in association with a pair of heavy…

高能物理 - 唯象学 · 物理学 2009-11-10 Tao Han , German Valencia , Yili Wang

If decays of a heavy particle S are responsible for the diphoton excess with invariant mass 750 GeV observed at the 13 TeV LHC run, it can be easily accomodated in the Standard Model. Two scenarios are considered: production in gluon fusion…

高能物理 - 唯象学 · 物理学 2016-08-24 S. I. Godunov , A. N. Rozanov , M. I. Vysotsky , E. V. Zhemchugov

A search for new exotic particles decaying to the VZ final state is performed, where V is either a W or a Z boson decaying into two overlapping jets and the Z decays into a pair of electrons, muons or neutrinos. The analysis uses a data…

高能物理 - 实验 · 物理学 2013-03-14 CMS Collaboration

A search is conducted for new resonances decaying into a $W$ or $Z$ boson and a 125 GeV Higgs boson in the $\nu\bar{\nu}b\bar{b}$, $\ell^{\pm}{\nu}b\bar{b}$, and $\ell^+\ell^-b\bar{b}$ final states, where $\ell^{\pm}= e^{\pm}$ or…

高能物理 - 实验 · 物理学 2018-11-16 ATLAS Collaboration

We describe a measurement of the W boson mass mW using 200/pb of root-s = 1.96 TeV p-pbar collision data taken with the CDF II detector. With a sample of 63,964 W -> e nu candidates and 51,128 W -> mu nu candidates, we measure mW = [80.413…

高能物理 - 实验 · 物理学 2010-05-12 CDF Collaboration , T. Aaltonen

The searches for heavy neutral and charged Higgs bosons are performed through the calculations of production cross sections using MadGraph5aMC@NLO program with ansatz of Yukawa coupling and the restricted parameter space connected with LHC…

高能物理 - 唯象学 · 物理学 2023-06-21 Tetiana Obikhod , Ievgenii Petrenko