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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Joint Institute for Nuclear ResearchRU1.2k papers
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24 papers · 1 filter
QGSJET-II: towards reliable description of very high energy hadronic interactions
S. Ostapchenko
Since a number of years the QGSJET model has been successfully used by different groups in the field of high energy cosmic rays. Current work is devoted to the first general update…
QGSJET-II: results for extensive air showers
S. Ostapchenko
The new hadronic Monte Carlo model QGSJET-II is applied for extensive air shower (EAS) calculations. The obtained results are compared to the predictions of the original QGSJET and…
Heavy quark and quarkonium production at CERN LEP2: k_T-factorization versus data
A. V. Lipatov, N. P. Zotov
We present calculations of heavy quark and quarkonium production at CERN LEP2 in the k_T-factorization QCD approach. Both direct and resolved photon contribution are taken into acc…
Prospects of mass measurements for neutral MSSM Higgs bosons in the intense-coupling regime at a Linear Collider
E. Boos, V. Bunichev, A. Djouadi +1
We analyze the prospects for detecting the three neutral Higgs bosons of the Minimal Supersymmetric extension of the Standard Model in the intense-coupling regime at e+e- colliders…
Energy scales in a stabilized brane world
Edward E. Boos, Yuri S. Mikhailov, Mikhail N. Smolyakov +1
Brane world gravity looks different for observers on positive and negative tension branes. First we consider the well-known RS1 model with two branes embedded into the AdS_5 space-…
An Invariant Charge Model for All q^2>0 in QCD and Gluon Condensate
A. I. Alekseev, B. A. Arbuzov
Under assumption of singular behavior of invariant charge alpha_s(q^2) at q^2 sim 0 and of large q^2 behavior, corresponding to the perturbation theory up to four loops, a procedur…
Charge Fluctuations in $π^{+}\rp$ and $\rK^{+}\rp$ Collisions at 250 GeV/
M. R. Atayan, Bai Yuting, E. A. De Wolf +13
We report on measurements of event-by-event charge fluctuations in $π^{+}\rp$ and $\rK^{+}\rp$ collisions at 250 GeV/. The dependence of these fluctuations on the size of the ra…
First Results of Fast One-dimensional Hybrid Simulation of EAS Using CONEX
T. Pierog, M. K. Alekseeva, T. Bergmann +8
A hybrid simulation code is developed that is suited for fast one-dimensional simulations of shower profiles, including fluctuations. It combines the Monte Carlo simulation of high…
Physics Interplay of the LHC and the ILC
LC Study Group, G. Weiglein, T. Barklow +120
Physics at the Large Hadron Collider (LHC) and the International e+e- Linear Collider (ILC) will be complementary in many respects, as has been demonstrated at previous generations…
Construction of Single-valued Solutions for Nonintegrable Systems with the Help of the Painleve Test
S. Yu. Vernov
The Painleve test is very useful to construct not only the Laurent-series solutions but also the elliptic and trigonometric ones. Such single-valued functions are solutions of some…
WMAP constraints on SUGRA models with non-universal gaugino masses and prospects for direct detection
G. Belanger, F. Boudjema, A. Cottrant +2
We discuss constraints on supersymmetric models arising from the relic density measurements of WMAP as well as from direct and precision measurements, LEP, b-sgamma, g-2, Bs-mumu.…
Medium-modified fragmentation of b-jets tagged by a leading muon in ultrarelativistic heavy ion collisions
I. P. Lokhtin, L. I. Sarycheva, A. M. Snigirev +1
The possibility to observe the medium-modified fragmentation of hard b-quarks tagged by a leading muon in ultrarelativistic heavy ion collisions is analyzed. We have found that rea…
Novel NN interaction and the spectroscopy of light nuclei
A. M. Shirokov, J. P. Vary, A. I. Mazur +2
Nucleon-nucleon (NN) phase shifts and the spectroscopy of nuclei are successfully described by an inverse scattering potential that is separable with oscillator form fact…
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…
micrOMEGAs: Version 1.3
G. Belanger, F. Boudjema, A. Pukhov +1
We present the latest version of micromegas, a code that calculates the relic density of the lightest supersymmetric particle in the MSSM. All tree-level processes for the annihila…
Pt-imbalance in dimuon+jet production as a signal of partonic energy loss in heavy ion collisions at LHC
I. P. Lokhtin, A. V. Sherstnev, A. M. Snigirev
We consider a hard jet production tagged by a muon pair in ultrarelativistic heavy ion collisions. The process cross section is calculated by the CompHEP Monte-Carlo generator taki…
Double parton correlations versus factorized distributions
V. L. Korotkikh, A. M. Snigirev
Using the generalized Lipatov-Altarelli-Parisi-Dokshitzer equations for the two-parton distribution functions we show numerically that the dynamical correlations contribute to thes…
The rare decay KL -> pi0 mu+ mu- within the SM
Gino Isidori, Christopher Smith, Rene Unterdorfer
We present an updated analysis of the rare decay within the Standard Model. In particular, we present the first complete calculation of the two-photon CP-…
Calorimetric transverse energy-energy correlations as a probe of jet quenching
I. P. Lokhtin, L. I. Sarycheva, A. M. Snigirev
The sensitivity of calorimetric energy-energy correlation function to the medium-induced energy loss of fast partons in high multiplicity heavy ion interactions is demonstrated at…
The longitudinal structure function F_L: perturbative QCD and k_T-factorization versus experimental data at fixed W
A. V. Kotikov, A. V. Lipatov, N. P. Zotov
We use results for the structure functions for a gluon target having nonzero transverse momentum square at order , obtained in our previous paper, to compare with recent…
CompHEP 4.4 - Automatic Computations from Lagrangians to Events
E. Boos, V. Bunichev, M. Dubinin +7
We present a new version of the CompHEP program (version 4.4). We describe shortly new issues implemented in this version, namely, simplification of quark flavor combinatorics for…
Concerning the generalized Lorentz symmetry and the generalization of the Dirac equation
G. Yu. Bogoslovsky, H. F. Goenner
The work is devoted to the generalization of the Dirac equation for a flat locally anisotropic, i.e., Finslerian space-time. At first we reproduce the corresponding metric and a gr…
On two nonintegrable cases of the generalized Henon-Heiles system with an additional nonpolynomial term
E. I. Timoshkova, S. Yu. Vernov
The generalized Henon-Heiles system with an additional nonpolynomial term is considered. In two nonintegrable cases new two-parameter solutions have been obtained in terms of ellip…
Kinematic selection criteria in a new resonance searches: Application to pentaquark states
B. B. Levchenko
In this note I recall some features of two-body decay kinematics which can be effectively applied, in particular, in experimental searches for pentaquark states.