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Related papers: Bottom Production Asymmetries at the LHC

200 papers

We present the theoretical results on the forward Lambda_b production in p-p collisions at LHC energies. It can give us useful information on the Regge trajectories of the bottom mesons.

High Energy Physics - Phenomenology · Physics 2010-07-26 Denis A. Artemenkov , Vadim A. Bednyakov , Gennady I. Lykasov

We investigate the production of hadrons in nuclear collisions within the framework of the thermal (or statistical hadronization) model. We discuss both the ligh-quark hadrons as well as charmonium and provide predictions for the LHC…

Nuclear Theory · Physics 2015-05-28 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

Production of rare particles within rapidity gaps has been proposed as a background-free signal for the detection of new physics at hadron colliders. No complete formalism accounts for such processes yet. We study a simple lowest-order QCD…

High Energy Physics - Phenomenology · Physics 2011-07-19 Jean-Rene Cudell , Oscar F. Hernandez

We study multiplicity correlations of hadrons in forward and backward hemispheres in $pp$ inelastic interactions at energies 200GeV $\leq \sqrt{s} \leq$ 13TeV within the microscopic quark-gluon string model. The model correctly describes…

High Energy Physics - Phenomenology · Physics 2018-11-16 L. V. Bravina , J. Bleibel , E. E. Zabrodin

Heavy flavor productions are important tests of QCD. In proton-proton collisions collected at LHCb, a long list of measurements for charm and bottom productions have been made. This talk focuses on the studies of fragmentation functions and…

High Energy Physics - Experiment · Physics 2018-04-16 Yanxi Zhang

We compute the hadronic production of top-antitop pairs in association with a Higgs boson at next-to-leading-order QCD, including the decay of the top and antitop quark into bottom quarks and leptons. Our computation is based on full…

High Energy Physics - Phenomenology · Physics 2016-01-27 Ansgar Denner , Robert Feger

We perform a joint analysis of the prediction of composite Higgs models for the discrepancies of the forward-backward asymmetries of top and bottom quarks at Tevatron and LEP+SLC, respectively. We build a two sector model which can be…

High Energy Physics - Phenomenology · Physics 2015-05-20 Ezequiel Alvarez , Leandro Da Rold , Alejandro Szynkman

The top quark forward-backward asymmetry measured at the Tevatron collider shows a large deviation from standard model expectations. Among possible interpretations, a non-universal $Z^\prime$ model is of particular interest as it naturally…

High Energy Physics - Phenomenology · Physics 2011-05-23 Edmond L. Berger , Qing-Hong Cao , Chuan-Ren Chen , Chong Sheng Li , Hao Zhang

We consider top-antitop quark ($t{\bar t}$) production at the Large Hadron Collider (LHC) with subsequent decay into dileptonic and lepton plus jets final states. We present a set of leptonic angular correlations and distributions with…

High Energy Physics - Phenomenology · Physics 2016-01-27 Werner Bernreuther , Dennis Heisler , Zong-Guo Si

We review the present status of the QCD corrected cross sections and kinematic distributions for the production of a Higgs boson in association with bottom quarks at the Fermilab Tevatron and CERN Large Hadron Collider. Results are…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Dawson , C. B. Jackson , L. Reina , D. Wackeroth

We study CP violation in associated production of a charged Higgs boson and a top quark at the LHC, $pp \to tH^\pm +X$. The asymmetry between the total cross sections for $H^+$ and $H^-$ production at next-to-leading order in the MSSM is…

High Energy Physics - Phenomenology · Physics 2015-05-14 E. Christova , H. Eberl , E. Ginina

Predictions are made for the forward-backward and charge asymmetries in bottom-quark pair production at hadron colliders. Tree-level exchanges of electroweak (EW) gauge bosons dominate the Standard Model (SM) contribution to the asymmetry…

High Energy Physics - Phenomenology · Physics 2015-09-09 Christopher W. Murphy

The energy dependence of charged-hadron production in proton-proton collisions at RHIC and LHC energies is investigated in a nonequilibrium-statistical relativistic diffusion model (RDM) with three sources for particle production.…

High Energy Physics - Phenomenology · Physics 2015-05-28 Georg Wolschin

A search for the production of Higgs boson pairs in proton-proton collisions at a centre-of-mass energy of 13 TeV is presented, using a data sample corresponding to an integrated luminosity of 35.9 inverse femtobarns collected with the CMS…

High Energy Physics - Experiment · Physics 2018-02-05 CMS Collaboration

We study the production of the charged Higgs boson at the LHC in the left-right symmetric model. It is shown that there exists a lower bound of the cross section. We investigate that predicted cross sections of this model are generally…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dong-Won Jung , Kang Young Lee

The LHC data on the forward heavy flavour hadron production can be a new unique source for estimation of intrinsic charm and bottom contributions to the proton. For example, we analyze the forward heavy baryon production, namely…

High Energy Physics - Phenomenology · Physics 2015-06-05 G. I. Lykasov , V. A. Bednyakov , A. F. Pikelner , N. I. Zimin

We calculate the forward backward asymmetry of the top-pair production at TEVATRON up to next to leading order (NLO) in the little Higgs model (LHM). We find that the contribution of $Z_H$ can be large enough to make up the gap between…

High Energy Physics - Phenomenology · Physics 2013-09-24 Xing-Dao Guo , Yin-Jie Zhang , Shu-Min Zhao , Tai-Fu Feng , Xu-Hao Yuan , Xue-Qian Li

The LHC is foreseen to finally bring also the nuclear collisions to the TeV scale thereby providing new possibilities for physics studies, in particular related to the electro-weak sector of the Standard Model. We study here the Z and W…

High Energy Physics - Phenomenology · Physics 2015-03-17 Hannu Paukkunen , Carlos A. Salgado

In this work we investigate the effects of the littlest Higgs model (LHM) up to the QCD next-to-leading order (NLO) on the $Z^0H^0$ associated production at the CERN Large Hadron Collider (LHC). We study the dependences of the leading order…

High Energy Physics - Phenomenology · Physics 2012-08-22 Zhang Shi-Ming , Zhang Ren-You , Ma Wen-Gan , Guo Lei

The particle-antiparticle asymmetries of $\Lambda$ production in 250 GeV/c $\pi^{\pm}$, $K^{\pm}$, and $p$ --nucleon collisions are studied with two model parametrizations of quark to $\Lambda$ fragmentation functions. It is shown that the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Bo-Qiang Ma , Ivan Schmidt , Jian-Jun Yang