scholarly journals Single-top associated production with a Z or H boson at the LHC: the SMEFT interpretation

2018 ◽  
Vol 2018 (10) ◽  
Author(s):  
Celine Degrande ◽  
Fabio Maltoni ◽  
Ken Mimasu ◽  
Eleni Vryonidou ◽  
Cen Zhang
Keyword(s):  
Associated Production ◽  
Single Top

scholarly journals Associated production of the top-pions and single top at hadron colliders

2006 ◽  
Vol 73 (1) ◽  
Author(s):  
Chong-Xing Yue ◽  
Zheng-Jun Zong ◽  
Li-Li Xu ◽  
Jian-Xing Chen
Keyword(s):  
Hadron Colliders ◽  
Associated Production ◽  
Single Top

scholarly journals Searches for the Anomalous FCNC Top-Higgs Couplings with Polarized Electron Beam at the LHeC

2017 ◽  
Vol 2017 ◽  
pp. 1-9 ◽  
Author(s):  
XiaoJuan Wang ◽  
Hao Sun ◽  
Xuan Luo
Keyword(s):  
Multivariate Analysis ◽  
Electron Beam ◽  
Proton Beam ◽  
Beam Energy ◽  
Branching Ratio ◽  
Beam Polarization ◽  
Electron Beam Energy ◽  
Associated Production ◽  
Single Top

We study the single top and Higgs associated productione-p→νet-→νehq-(h→bb-)in the top-Higgs FCNC couplings at the LHeC with the electron beam energy ofEe=60 GeV andEe=120 GeV and combination of a 7 TeV and 50 TeV proton beam. With the possibility ofe-beam polarization (pe=0,±0.6), we distinct the cut-based method and the multivariate analysis- (MVA-) based method and compare with the current experimental and theoretical limits. It is shown that the branching ratioBr(t→uh)can be probed to 0.113 (0.093%), 0.071 (0.057%), 0.030 (0.022%), and 0.024 (0.019%) with the cut-based (MVA-based) analysis at (Ep,Ee) = (7 TeV, 60 GeV), (Ep,Ee) = (7 TeV, 120 GeV), (Ep,Ee) = (50 TeV, 60 GeV), and (Ep,Ee) = (50 TeV, 120 GeV) beam energy and 1σlevel. With the possibility ofe-beam polarization, the expected limits can be probed down to 0.090 (0.073%), 0.056 (0.045%), 0.024 (0.018%), and 0.019 (0.015%), respectively.

scholarly journals ASSOCIATED PRODUCTION OF THE CHARGED HIGGS BOSON AND SINGLE TOP QUARK AT THE LHC

2009 ◽  
Vol 24 (02) ◽  
pp. 143-150 ◽  
Author(s):  
YAO-BEI LIU ◽  
JIE-FEN SHEN
Keyword(s):  
Higgs Boson ◽  
Cross Section ◽  
Top Quark ◽  
Production Cross ◽  
Hadron Collider ◽  
Charged Higgs Boson ◽  
Cern Large Hadron Collider ◽  
Associated Production ◽  
Single Top ◽  
Charged Higgs

The left–right twin Higgs (LRTH) model predicts the existence of the charged Higgs ϕ±. In this paper, we study the production of the charged Higgs boson ϕ- with single top quark via the process bg → tϕ- at the CERN Large Hadron Collider (LHC). The numerical results show that the production cross-section can reach the level of 10 pb in the reasonable parameter space of the LRTH model. We expect that, as long as it is not too heavy, the possible signatures of the heavy charged Higgs boson ϕ-> might be detected via the decay mode [Formula: see text] at the LHC experiments.

scholarly journals Single top, W and Higgs associated production

2016 ◽  
Author(s):  
Federico DEMARTIN ◽  
Benedikt Maier
Keyword(s):  
Associated Production ◽  
Single Top

scholarly journals Single Top and Higgs Associated Production in the MinimalB-LModel at the LHC

2016 ◽  
Vol 2016 ◽  
pp. 1-9
Author(s):  
Bingfang Yang ◽  
Zhiyong Liu ◽  
Jinzhong Han ◽  
Guang Yang
Keyword(s):  
Higgs Boson ◽  
Standard Model ◽  
Cross Sections ◽  
Production Cross ◽  
High Luminosity ◽  
Associated Production ◽  
Single Top ◽  
The Standard Model

We study the single top production in association with a Higgs boson in theU(1)B-Lextension of the Standard Model at the LHC. We calculate the production cross sections of the processespp→thX  (h=H1,H2;  X=j,b,W)in this model. We further study the observability of the processpp→tH2jthroughpp→t(→qq-′b)H2(→4l)jand find that it is still challenging for the 14 TeV LHC with high luminosity to detect this signal.

scholarly journals The recipe to search for anomalous Wtb couplings in tWb associated production process.

2018 ◽  
Vol 191 ◽  
pp. 02008 ◽  
Author(s):  
Eduard Boos ◽  
Viacheslav Bunichev ◽  
Georgi Vorotnikov ◽  
Lev Dudko ◽  
Igor Myagkov ◽  
...  
Keyword(s):  
Top Quark ◽  
Anomalous Couplings ◽  
Specific Approach ◽  
Associated Production ◽  
Single Top ◽  
Top Quark Production ◽  
Quark Production ◽  
Special Approach ◽  
The Impact ◽  
Resonant Contribution

The impact of anomalous Wtb couplings on tWb process of the single top quark production has been probed in different schemes of tWb modeling. A special attention devotes to influence of the particular schemes to the anomalous couplings sensitivity. The distributions of representative variables demonstrate different behaviour in different simulation schemes, therefore the correct probe for anomalous Wtb couplings require specific approach to simulate BSM contribution. Special approach to search for BSM contribution in the off-shell tWb process is proposed in this paper. The approach is based on the kinematic separation of the double and single resonant contributions by means of neural network. The specific BSM properties are considered separately for the double and single resonant events. Such approach allows to add information on the anomalous Wtb coupling from simultaneous consideration of the tt¯ (double resonant) and tWb (off-shell, single resonant) contribution of tWb processes and therefore can improve the sensitivity to the anomalous Wtb couplings.

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