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Dive into the research topics where Vivek Kumar Tiwari is active.

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Featured researches published by Vivek Kumar Tiwari.


Nuclear Physics | 2009

Z boson pair production at the LHC to

Neelima Agarwal; V. Ravindran; Vivek Kumar Tiwari; Anurag Tripathi

The first results on next-to-leading order QCD corrections to the production of two Z bosons, in hadronic collisions in the large extra dimension ADD model are presented. Various kinematical distributions are obtained to order


Physical Review D | 2010

{\cal O}(\alpha_s)

Neelima Agarwal; V. Ravindran; Vivek Kumar Tiwari; Anurag Tripathi

alpha_s


Physics Letters B | 2010

in TeV scale gravity models

Neelima Agarwal; V. Ravindran; Vivek Kumar Tiwari; Anurag Tripathi

in QCD by taking into account all the parton level subprocesses. We estimate the impact of the QCD corrections on various observables and find that they are significant. We also show the reduction in factorisation scale uncertainity when


Nuclear Physics | 2010

W + W − production in large extra dimension model at next-to-leading order in QCD at the LHC

Neelima Agarwal; V. Ravindran; Vivek Kumar Tiwari; Anurag Tripathi

{cal O}(alpha_s)


Physics Letters B | 2010

Next-to-leading order QCD corrections to W+W− production at the LHC in Randall–Sundrum model

Neelima Agarwal; V. Ravindran; Vivek Kumar Tiwari; Anurag Tripathi

effects are included.


Physical Review D | 2012

Z boson pair production at the LHC to O(αs) in TeV scale gravity models

Uma Shankar Gupta; Vivek Kumar Tiwari

We present next-to-leading order QCD corrections to production of two


Physical Review D | 2010

Next-to-leading order QCD corrections to the Z boson pair production at the LHC in Randall―Sundrum model

Uma Shankar Gupta; Vivek Kumar Tiwari; Ranjita K. Mohapatra; Ajit M. Srivastava

W


Physical Review D | 2010

Revisiting the Phase Structure of the Polyakov-quark-meson Model in the presence of Vacuum Fermion Fluctuation

Uma Shankar Gupta; Vivek Kumar Tiwari

bosons in hadronic collisions in the extra dimension Arkani-Hamed, Dimopoulos, and Dvali model. Invariant mass and rapidity distributions are obtained to order


Physical Review D | 2006

Simulation of Z(3) walls and string production via bubble nucleation in a quark-hadron transition

Biswanath Layek; Ananta P. Mishra; Ajit M. Srivastava; Vivek Kumar Tiwari

{ensuremath{alpha}}_{s}


Physical Review D | 2013

Meson masses and mixing angles in the 2 + 1 flavor Polyakov quark meson sigma model and symmetry restoration effects

Vivek Kumar Tiwari

in QCD by taking into account all the parton level subprocesses. The computation is organized using the Monte Carlo based method of phase space slicing. We estimate the impact of the QCD corrections on various observables and find that they are significant. We present some results for a 10 TeV LHC, but most of the results presented here are for 14 TeV LHC. We also show the reduction in factorization scale uncertainty when

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Anurag Tripathi

Harish-Chandra Research Institute

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V. Ravindran

Harish-Chandra Research Institute

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Biswanath Layek

Variable Energy Cyclotron Centre

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