Institute for High Energy Physics

output

19922026

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2007Show all

211 papers · 1 filter

hep-ex2007★ 10 cited

Experimental study of the atmospheric neutrino backgrounds for proton decay to positron and neutral pion searches in water Cherenkov detectors

K2K Collaboration, S. Mine

The atmospheric neutrino background for proton decay to positron and neutral pion in ring imaging water Cherenkov detectors is studied with an artificial accelerator neutrino beam…

nucl-ex2007★ 44 cited

Source breakup dynamics in Au+Au Collisions at sqrt(s_NN)=200 GeV via three-dimensional two-pion source imaging

PHENIX Collaboration, S. Afanasiev

A three-dimensional (3D) correlation function obtained from mid-rapidity, low pT pion pairs in central Au+Au collisions at sqrt(s_NN)=200 GeV is studied. The extracted model-indepe…

hep-ex2007★ 14 cited

Measurement of Time-Dependent CP-Violating Parameters in B0 -> K0S K0S decays

Belle Collaboration, Y. Nakahama, K. Sumisawa

We report a measurement of the CP-violating parameters in B0->K0S K0S decays based on a data sample of 657 million BBbar pairs collected at the Y(4S) resonance with the Belle detec…

physics.ins-det2007★ 36 cited

Detectors and flux instrumentation for future neutrino facilities

T. Abe, H. Aihara, C. Andreopoulos +66

This report summarises the conclusions from the detector group of the International Scoping Study of a future Neutrino Factory and Super-Beam neutrino facility. The baseline detect…

hep-ph2007★ 1 cited

Topics in Hadronic B Decays

Javier Virto

We discuss some topics concerning exclusive non-leptonic B decays. In particular we focus on Bs->KK decays, for which we present complementary predictions within the SM, as well as…

math-ph2007★ 1 cited

On geometrical representation of the Jacobian in a path integral reduction problem

S. N. Storchak

The geometrical representation of the Jacobian in the path integral reduction problem which describes a motion of the scalar particle on a smooth compact Riemannian manifold with t…

hep-th2007★ 51 cited

Stable skyrmions from extra dimensions

Alex Pomarol, Andrea Wulzer

We show that skyrmions arising from compact five dimensional models have stable sizes. We numerically obtain the skyrmion configurations and calculate their size and energy. Althou…

hep-ex2007★ 12 cited

Search for $f_{1} (1285) \to π^{+} π^{-} π^{0}$ decay with VES detector

V. Dorofeev, R. Dzheliadin, A. Ekimov +21

The isospin violating decay $f_{1} (1285) \to π^{+} π^{-} π^{0}$ has been studied at VES facility. This study is based at the statistics acquired in $π^{-} B e$ interactions at 27, 36.6 and 41 GeV…

hep-ex2007★ 208 cited

First Flavor-Tagged Determination of Bounds on Mixing-Induced CP Violation in Bs -> J/psi phi Decays

CDF Collaboration, T. Aaltonen

This Letter describes the first determination of bounds on the CP-violation parameter 2*beta_s using Bs decays in which the flavor of the bottom meson at production is identified.…

hep-th2007★ 6 cited

On Uniqueness of supersymmetric Black holes in AdS(5)

Pedro J. Silva

We study the possibility of having Black hole of spherical and ring horizon topology with five independent charges in the $U (1)^{3}$ -model of 5D gauge supergravity. To study these po…

hep-ex2007★ 41 cited

Model-independent measurement of the W boson helicity in top quark decays

D0 Collaboration, V. M. Abazov

We present the first model-independent measurement of the helicity of $W$ bosons produced in top quark decays, based on a 1 fb $^{- 1}$ sample of candidate $t t ˉ$ events in the d…

hep-ph2007★ 1 cited

Is eta' partially made of gluonium?

Rafel Escribano

A phenomenological analysis of radiative $V \to P γ$ and $P \to V γ$ decays is performed in order to determine the gluonic content of the $η^{'}$ wave function. Our result shows tha…

hep-ex2007★ 18 cited

A combined search for the standard model Higgs boson at sqrt{s}=1.96 TeV

D0 Collaboration, V. M. Abazov

We present new results of the search for WH to lepton neutrino b b production in ppbar collisions at a center of mass energy of sqrt{s}=1.96 TeV, based on a dataset with integrated…

hep-ex2007★ 41 cited

Search for the Decay $K_{L}^{0} \to π^{0} ν ν ˉ$

E391a Collaboration, J. K. Ahn

We performed a search for the $K_{L}^{0} \to π^{0} ν ν ˉ$ decay at the KEK 12-GeV proton synchrotron. No candidate events were observed. An upper limit on the branching ratio for the de…

hep-ex2007★ 125 cited

Search for squarks and gluinos in events with jets and missing transverse energy using 2.1 fb-1 of ppbar collision data at sqrt(s)=1.96 TeV

D0 Collaboration, V. Abazov

A data sample corresponding to an integrated luminosity of 2.1 fb-1 collected by the D0 detector at the Fermilab Tevatron Collider was analyzed to search for squarks and gluinos pr…

hep-ex2007★ 50 cited

Measurement of Lifetime and Decay-Width Difference in B0s -> J/psi phi Decays

CDF collaboration, T. Aaltonen

We measure the mean lifetime, tau=2/(Gamma_L+Gamma_H), and the width difference, DeltaGamma=Gamma_L-Gamma_H, of the light and heavy mass eigenstates of the B0s meson, B0sL and B0sH…

hep-ph2007★ 15 cited

The study of double vector charmonium mesons production at B-factories within light cone formalism

V. V. Braguta

In this paper the processes $e^{+} e^{-} \to J /Ψ J /Ψ, J /Ψ ψ^{'}, ψ^{'} ψ^{'}$ are considered in the framework of light cone formalism. An important distinction of this approach in comparison to t…

hep-ph2007★ 58 cited

Forward virtual Compton scattering and the Lamb shift in chiral perturbation theory

David Nevado, Antonio Pineda

We compute the spin-independent structure functions of the forward virtual-photon Compton tensor of the proton at one loop using heavy baryon chiral perturbation theory and dispers…

hep-ex2007★ 126 cited

Measurement of the shape of the boson transverse momentum distribution in ppbar -> Z/gamma* -> ee+X events produced at sqrt{s}=1.96 TeV

D0 Collaboration, V. Abazov

We present a measurement of the shape of the Z/gamma* boson transverse momentum (qT) distribution in ppbar -> Z/gamma* -> ee+X events at a center-of-mass energy of 1.96 TeV using 0…

math-ph2007★ 3 cited

Classical and quantum integrability in 3D systems

M. Gadella, J. Negro, G. P. Pronko +1

In this contribution, we discuss three situations in which complete integrability of a three dimensional classical system and its quantum version can be achieved under some conditi…

nucl-ex2007★ 109 cited

Cold Nuclear Matter Effects on J/Psi as Constrained by Deuteron-Gold Measurements at sqrt(s_NN) = 200 GeV

PHENIX Collaboration, A. Adare

We present a new analysis of J/psi production yields in deuteron-gold collisions at sqrt(s_NN) = 200 GeV using data taken by the PHENIX experiment in 2003 and previously published…

physics.data-an2007★ 10 cited

Identification of photon-tagged jets in the ALICE experiment

G. Conesa, H. Delagrange, J. Diaz +2

The ALICE experiment at LHC will detect and identify prompt photons and light neutral-mesons with the PHOS detector and the additional EMCal electromagnetic calorimeter. Charged pa…

hep-ph2007★ 2 cited

Elastic proton-proton and proton-antiproton scattering: analysis of complete set of helicity amplitudes

V. A. Okorokov, S. B. Nurushev

The differential cross-sections are calculated for proton-proton and proton-antiproton elastic scattering using the phenomenological model based on the analytic parameterizations f…