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In the framework of the large extra dimensions (LED) model, we investigate the effects induced by the Kaluza-Klein (KK) gravitons up to the QCD next-to-leading order (NLO) on the $W$-pair production followed by a subsequential $W$-decay at…

High Energy Physics - Phenomenology · Physics 2015-06-03 Bai Yu-Ming , Guo Lei , Li Xiao-Zhou , Ma Wen-Gan , Zhang Ren-You

We study the Z boson pair production mediated by the Kaluza-Klein (KK) graviton in large extra dimensions (LED) at the CERN Large Hadron Collider (LHC). We use the partial wave unitarity to discuss the constraints on the process energy…

High Energy Physics - Phenomenology · Physics 2009-08-13 Jun Gao , Chong Sheng Li , Xiangdong Gao , Jia Jun Zhang

We investigate the possible large extra dimensions (LED) effects induced by the Kaluza-Klein gravitons up to the QCD next-to-leading order (NLO) on $ZZW$ production at the large hadron collider (LHC). The integrated cross sections and some…

High Energy Physics - Phenomenology · Physics 2014-10-24 Chen Chong , Guo Lei , Ma Wen-Gan , Zhang Ren-You , Li Xiao-Zhou , Zhang Yu

We investigate the effects induced by the interactions of the Kaluza-Klein (KK) graviton with the standard model (SM) particles on the triple $Z^0$-boson production process at the ILC in the framework of the large extra dimension (LED)…

High Energy Physics - Phenomenology · Physics 2012-11-30 Jiang Ruo-Cheng , Li Xiao-Zhou , Ma Wen-Gan , Guo Lei , Zhang Ren-You

In the Two-Higgs-Doublet Model(2HDM) with large extra dimensions(LED), we study the contributions of virtual Kaluza-Klein(KK) gravitons to 2HDM charged Higgs production, especially in the two important production processes $e^+e^-\to…

High Energy Physics - Phenomenology · Physics 2009-11-11 Qiang Li , Chong Sheng Li , Robert J. Oakes , Li Lin Yang

In the framework of the large extra dimensions (LED) model, the effects of LED on the processes \rrtth and \eetth at future linear colliders are investigated in both polarized and unpolarized collision modes. The results show that the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Sun Hao , Zhang Ren-You , Zhou Pei-Jun , Ma Wen-Gan , Jiang Yi , Han Liang

We consider the neutral triple gauge boson production process in the context of large extra dimensions (LED) model including the Kaluza-Klein (KK) excited gravitons at future linear colliders, say ILC(CLIC). We consider $\gamma\gamma\gamma,…

High Energy Physics - Phenomenology · Physics 2015-06-11 Hao Sun , Ya-Jin Zhou

We study the $W^+W^-\gamma(Z)$ productions at both the CERN Large Hadron Collider (LHC) and the Compact Linear Collider (CLIC) in the framework of the Randall-Sundrum (RS) model. The impacts of the virtual RS Kaluza-Klein (KK) graviton on…

High Energy Physics - Phenomenology · Physics 2013-03-27 Li Xiao-Zhou , Ma Wen-Gan , Zhang Ren-You , Guo Lei

Observing light-by-light scattering at the Large Hadron Collider (LHC) has received quite some attention and it is believed to be a clean and sensitive channel to possible new physics. In this paper, we study the diphoton production at the…

High Energy Physics - Phenomenology · Physics 2014-08-01 Hao Sun

In this paper we study the diffractive $Z$ boson pair production mediated by the Kaluza-Klein graviton in the large extra dimensions scenario at the CERN Large Hadron Collider energies. Considering the Durham model we estimate the total…

High Energy Physics - Phenomenology · Physics 2014-05-27 V. P. Goncalves , W. K. Sauter , M. Thiel

We study the production and decay of Kaluza-Klein (KK) gravitons at the Large Hadron Collider (LHC), in the framework of a warped extra dimension in which the Standard Model (SM) fields propagate. Such a scenario can provide solutions to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Kaustubh Agashe , Hooman Davoudiasl , Gilad Perez , Amarjit Soni

We calculate the production rates of the second Kaluza-Klein (KK) photon $\gamma^{(2)}$ and Z boson $Z^{(2)}$ at the LHC including all significant processes in the minimal Universal Extra Dimension (MUED) model. For discrimination of the…

High Energy Physics - Phenomenology · Physics 2009-11-06 Shigeki Matsumoto , Joe Sato , Masato Senami , Masato Yamanaka

In the models with large extra-dimensions, we examine the production of a vector boson (\gamma / Z) in association with the Kaluza-Klein (KK) modes of the graviton via gluon fusion. At the leading order, the process takes place through…

High Energy Physics - Phenomenology · Physics 2015-06-03 Ambresh Shivaji , V. Ravindran , Pankaj Agrawal

Next-to-leading order QCD corrections to the associated production of vector boson (Z/W) with the the Kaluza-Klein modes of the graviton in large extra dimensional model at the LHC, are presented. We have obtained various kinematic…

High Energy Physics - Phenomenology · Physics 2015-05-18 M. C. Kumar , Prakash Mathews , V. Ravindran , Satyajit Seth

It is shown that the nature of compactification of extra dimensions in theories of large radius compactification can be explored in several processes at the Large Hadron Collider (LHC). Specifically it is shown that the characteristics of…

High Energy Physics - Phenomenology · Physics 2009-10-31 Pran Nath , Youichi Yamada , Masahiro Yamaguchi

We point out that the discovery of a light Higgs boson in the \gamma\gamma, ZZ and WW decay channels at the LHC, with cross sections not far from the predictions of the Standard Model, would have important implications for the parameters of…

High Energy Physics - Phenomenology · Physics 2015-06-03 Florian Goertz , Ulrich Haisch , Matthias Neubert

Based on the analysis of 5 fb^-1 of data at the LHC, the ATLAS and CMS collaborations have presented evidence for a Higgs boson with a mass in the 125 GeV range. We consider the 125 GeV neutral Higgs pair production process in the context…

High Energy Physics - Phenomenology · Physics 2014-01-03 Hao Sun , Ya-Jin Zhou

We study Kaluza-Klein (KK) graviton production in the large extra dimensions model via 2 jets plus missing transverse momentum signatures at the LHC. We make predictions for both the signal and the dominant Zjj and Wjj backgrounds, where we…

High Energy Physics - Phenomenology · Physics 2009-01-06 Kaoru Hagiwara , Partha Konar , Qiang Li , Kentarou Mawatari , Dieter Zeppenfeld

We study the prospects of probing large extra dimension model at the LHC through neutral triple gauge boson production processes. In theories with extra dimensions these processes result from the exchange of a tower of massive graviton…

High Energy Physics - Phenomenology · Physics 2015-06-03 M. C. Kumar , Prakash Mathews , V. Ravindran , Satyajit Seth

In the framework of quantum gravity propagating in large extra dimensions, the effects of virtual Kaluza-Klein graviton and graviscalar interference with Higgs boson production amplitudes are computed at linear colliders and Higgs…

High Energy Physics - Phenomenology · Physics 2013-09-25 Anindya Datta , Emidio Gabrielli , Barbara Mele
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