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8 papers · 2 filters
Hints on the power corrections from current correlators in x-space
S. Narison, V. I. Zakharov
We consider an interpretation of the recent lattice data on the current-current correlators in the x-space. The data indicate rather striking difference between (axial)vector and (…
Loop induced Higgs and Z boson couplings to Neutralinos and implications for collider and Dark Matter searches
A. Djouadi, M. Drees, P. Fileviez Perez +1
We calculate the one-loop induced couplings of two gaugino-like neutralinos to the and Higgs bosons in the Minimal Supersymmetric Standard Model. These couplings, which vanish…
c,b quark masses and f_D_(s), f_B_(s) decay constants from pseudoscalar sum rules in full QCD to order alpha_s^2
Stephan Narison
The pseudoscalar sum rules of the heavy-light quark systems are used for extracting simultaneously the c,b quark masses and the decay constants f_D_(s),f_B_(s) of the D_(s),B_(s) m…
Supersymmetric enhancement of associated ZA^0 production at e^+e^- colliders
A. G. Akeroyd, A. Arhrib, M. Capdequi Peyranère
We study the associated production of the A^0 neutral CP-odd Higgs boson with a neutral gauge boson Z in high energy e^+ e^- collisions at the one loop level. We present a detailed…
Comment on ``Infrared Fixed Point Structure in Minimal Supersymmetric Standard Model with Baryon and Lepton Number Violation"
Y. Mambrini, G. Moultaka
We reconsider the Infrared Quasi Fixed Points which were studied recently in the literature in the context of the Baryon and Lepton number violating Minimal Supersymmetric Standard…
The processes gamma gamma to Z H in SM and MSSM
G. J. Gounaris, P. I. Porfyriadis, F. M. Renard
The process gamma gamma to ZH first arises at the 1-loop level, and as such it provides remarkable tests of the structure of the electroweak Higgs sector. These tests are complemen…