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17 papers · 2 filters
Probing the CP-violating light neutral Higgs in the charged Higgs decay at the LHC
Dilip Kumar Ghosh, R. M. Godbole, D. P. Roy
The CP-violating MSSM allows existence of a light neutral Higgs boson ($M_{H_1} \lapp 50$ GeV) in the CPX scenario in the low $\tan β(\lapp 5)$ region, which could have escaped the…
Using Tau Polarization to Discriminate between SUSY Models and Determine SUSY Parameters at ILC
R. M. Godbole, Monoranjan Guchait, D. P. Roy
In many SUSY models the first SUSY signal in the proposed International Linear Collider is expected to come from the pair production of , followed by its decay into +…
Next-to-Leading Order QCD Corrections to the Drell-Yan Cross Section in Models of TeV-Scale Gravity
Prakash Mathews, V. Ravindran, K. Sridhar +1
The first results on next-to-leading order QCD corrections to graviton-induced processes in hadron collisions in models of TeV-scale gravity are presented focusing on the case of d…
Summary of the Activities of the Working Group I on High Energy and Collider Physics
Naba K. Mondal, Saurabh D. Rindani, Pankaj Agrawal +26
This is a summary of the projects undertaken by the Working Group I on High Energy Collider Physics at the Eighth Workshop on High Energy Physics Phenomenology (WHEPP8) held at the…
Supernova neutrinos: production, propagation and oscillations
Amol Dighe
I shall review some of the recent results concerning the astrophysics of a core collapse supernova (SN) and neutrino oscillations. Neutrinos play an important role in the SN explos…
Solar Neutrino Oscillation - An Overview
D. P. Roy
After a brief summary of the neutrino oscillation formalism and the solar neutrino sources and experiments I discuss the matter effect on solar neutrino oscillation. Then I discuss…
R-parity violation in split supersymmetry
Sudhir Kumar Gupta, Partha Konar, Biswarup Mukhopadhyaya
In the recently proposed `split supersymmetry' scenario, the squark and slepton masses are allowed to be at a high scale while the gauginos and Higgsinos are within a TeV. We show…
Searching for signals of minimal length in extra dimensional models using dilepton production at hadron colliders
Gautam Bhattacharyya, Prakash Mathews, Kumar Rao +1
Theories of quantum gravity suggest the existence of a minimal length scale. It is interesting to speculate what the consequences of the existence of such a length scale would be f…
Looking for the Charged Higgs Boson
D. P. Roy
This review article starts with a brief introduction to the charged Higgs boson (H^\pm) in the Minimal Supersymmetric Standard Model (MSSM). It then discusses the prospects of a re…
The Higgs Working Group: Summary Report 2003
K. A. Assamagan, M. Narain, A. Nikitenko +81
Theoretical progress in Higgs boson production and background processes is discussed with particular emphasis on QCD corrections at and beyond next-to-leading order as well as next…
Update of the solar neutrino oscillation analysis with the 766 Ty KamLAND spectrum
Abhijit Bandyopadhyay, Sandhya Choubey, Srubabati Goswami +2
We investigate the impact of the 766.3 Ty KamLAND spectrum data on the determination of the solar neutrino oscillation parameters. We show that the observed spectrum distortion in…
NLO-QCD corrections to e+ e- --> hadrons in models of TeV-scale gravity
Prakash Mathews, V. Ravindran, K. Sridhar
We present results on NLO-QCD corrections to the process e+ e- --> hadrons via photon-, Z- and graviton-exchange in the context of TeV-scale gravity models. The quantitative impact…
Two new sum rules for octet-baryon magnetic moments (μ) and constraints on QCD sum rules from new experimental determination of μ-s for the decuplet
Monika Sinha, Ashik Iqubal, Mira Dey +1
Recently the μ_{Δ^{++}} was found from a fit to (π^+)p scattering. This enable us to pinpoint condensate parameters more precisely in the context of QCD sum rules (QCDSR). In the o…
Constraining R-parity violating couplings using dimuon data at Tevatron Run-II
Subhendu Chakrabarti, Monoranjan Guchait, N. K. Mondal
The dimuon plus dijet signal is analyzed in the top squark pair production at Tevatron Run-II experiment and the total event rate is compared with the existing dimuon data. This co…
Higher dimensional models of light Majorana neutrinos confronted by data
JoAnne L. Hewett, Probir Roy, Sourov Roy
We discuss experimental and observational constraints on certain models of higher dimensional light Majorana neutrinos. Models with flavor blind brane-bulk couplings plus three or…
The Wroblewski Parameter from Lattice QCD
Rajiv V. Gavai, Sourendu Gupta
Enhancement of strangeness production has since long been proposed as a promising signal of quark-gluon plasma production. A convenient indicator for it is the Wroblewski parameter…
Les Houches "Physics at TeV Colliders 2003" Beyond the Standard Model Working Group: Summary Report
B. C. Allanach, A. Aranda, H. Baer +57
The work contained herein constitutes a report of the ``Beyond the Standard Model'' working group for the Workshop "Physics at TeV Colliders", Les Houches, France, 26 May--6 June,…