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19922026
Showing 2005Show all

206 papers · 1 filter

hep-th2005★ 55 cited

Split extended supersymmetry from intersecting branes

I. Antoniadis, K. Benakli, A. Delgado +2

We study string realizations of split extended supersymmetry, recently proposed in hep-ph/0507192. Supersymmetry is broken by small () deformations of intersection angles of …

hep-ex2005★ 133 cited

Measurement of the Dipion Mass Spectrum in X(3872) -> J/Psi Pi+ Pi- Decays

A. Abulencia, D. Acosta, J. Adelman

We measure the dipion mass spectrum in X(3872)--> J/Psi Pi+ Pi- decays using 360 pb-1 of pbar-p collisions at 1.96 TeV collected with the CDF II detector. The spectrum is fit with…

hep-ex2005★ 11 cited

A Search for Scalar Bottom Quarks from Gluino Decays in Collisions at TeV

CDF collaboration

We searched for scalar bottom quarks in 156 pb of {\bf } collisions at {\bf } TeV recorded by the CDF II experiment at the Tevatron. Scalar bottom q…

hep-ex2005★ 13 cited

Measurements of the branching fractions and CP-asymmetries of B- --> D0_(CP) K- decays

The BABAR Collaboration, B. Aubert

We present a study of the decay B- --> D0_(CP) K- and its charge conjugate, where D0_(CP) is reconstructed in CP-even, CP-odd, and non-CP flavor eigenstates, based on a sample of 2…

hep-ex2005★ 56 cited

Measurement of the Inclusive Jet Cross Section using the Kt algorithm in pp-bar Collisions at sqrt(s) = 1.96 TeV

The CDF Collaboration

We report on a measurement of the inclusive jet production cross section in pp-bar collisions at sqrt{s} = 1.96 TeV using data collected with the upgraded Collider Detector at Ferm…

hep-ex2005★ 40 cited

Search for Second-Generation Scalar Leptoquarks in Collisions at =1.96 TeV

CDF Collaboration

Results on a search for pair production of second generation scalar leptoquark in collisions at =1.96 TeV are reported. The data analyzed were collected by th…

astro-ph2005★ 176 cited

Observation of Gamma Rays from the Galactic Center with the MAGIC Telescope

J. Albert, MAGIC collaboration

Recently, the Galactic Center has been reported to be a source of very high energy (VHE) gamma-rays by the VERITAS, CANGAROO and HESS experiments. The energy spectra as measured by…

hep-ex2005★ 69 cited

First Observations of Separated Atmospheric Muon Neutrino and Muon Anti-Neutrino Events in the MINOS Detector

MINOS Collaboration

The complete 5.4 kton MINOS far detector has been taking data since the beginning of August 2003 at a depth of 2070 meters water-equivalent in the Soudan mine, Minnesota. This pape…

hep-ex2005★ 17 cited

Improved Measurement of the b-bbar Production Cross Section in 920 GeV Fixed-Target Proton-Nucleus Collisions

B Collaboration, I. Abt

A new measurement of the b-bbar production cross section in 920 GeV proton-nucleus collisions is presented by the HERA-B collaboration. The b-bbar production is tagged via inclusiv…

hep-ph2005

Precision measurement of the top quark mass from M_{b l} distribution in t -> b l νdecays

M. L. Nekrasov

The method of the top quark mass measurement from distribution in decays can be considerably improved if applying the technique of moments and proceeding to…

hep-ex2005★ 22 cited

Measurement of the J/Psi Production Cross Section in 920 GeV/c Fixed-Target Proton-Nucleus Interactions

B collaboration

The mid-rapidity (dsigma_(pN)/dy at y=0) and total sigma_(pN) production cross sections of J/Psi mesons are measured in proton-nucleus interactions. Data collected by the HERA-B ex…

hep-ex2005★ 10 cited

Search for rare quark-annihilation decays, B --> Ds(*) Phi

The BABAR Collaboration, B. Aubert

We report on searches for B- --> Ds- Phi and B- --> Ds*- Phi. In the context of the Standard Model, these decays are expected to be highly suppressed since they proceed through ann…

astro-ph2005★ 41 cited

MAGIC observations of very high energy gamma-rays from HESS J1813-178

J. Albert, MAGIC collaboration

Recently, the HESS collaboration has reported the detection of gamma-ray emission above a few hundred GeV from eight new sources located close to the Galactic Plane. The source HES…

hep-th2005

New results for AdS/CFT and beyond

M. Bertolini, F. Bigazzi, A. L. Cotrone

We report on some recent results within the string/gauge theory correspondence, both in the conformal and in the non conformal cases, for a recently found class of N=1 dual pairs.…

physics.data-an2005★ 1 cited

The Bayesian Effects in Measurement of the Asymmetry of Poisson Flows

S. I. Bityukov, N. V. Krasnikov, A. Kuznetsov +1

As it follows from the interrelation of Gamma and Poisson distributions the observed value of asymmetry for Poisson flows of events has the bias. The Monte Carlo experiment confirm…

hep-ex2005

Spin effects in large rapidity pi0 production at STAR

D. A. Morozov

Measurements by the STAR collaboration of neutral pion production at large Feynman () in the first polarized proton collisions at GeV were reported previous…

hep-ex2005

Expected Accuracy in a Measurement of the CKM Angle Using a Dalitz Plot Analysis of $\boldmath B^0 \to ρπ$ Decays in the BTeV Project

K. E. Shestermanov, A. N. Vasiliev, J. Butler +17

A precise measurement of the angle in the CKM triangle is very important for a complete test of Standard Model. A theoretically clean method to extract is provided by B$^0…

hep-lat2005★ 7 cited

New features of the maximal abelian projection

V. G. Bornyakov, M. I. Polikarpov, G. Schierholz +2

After fixing the Maximal Abelian gauge in SU(2) lattice gauge theory we decompose the nonabelian gauge field into the so called monopole field and the modified nonabelian field wit…

quant-ph2005★ 50 cited

Separable Measurement Estimation of Density Matrices and its Fidelity Gap with Collective Protocols

E. Bagan, M. A. Ballester, R. D. Gill +2

We show that there exists a gap between the performance of separable and collective measurements in qubit mixed-state estimation that persists in the large sample limit. We charact…

physics.hist-ph2005★ 1 cited

Fifty years of the Glauber diffraction theory

A. A. Arkhipov

In this minireview a historical excursus in theoretical studies related to the Glauber diffraction theory has been presented with an accent on the recent developments in this subje…

hep-ph2005

Short study of the eta-eta' system in the two mixing angle scheme

R. Escribano

A two mixing angle description of the pseudoscalar decay constants associated to the - system is used to parametrize the theoretical amplitudes of the radiative decays…

hep-ex2005★ 21 cited

Measurement of mass and width of the excited charmed meson states and

CDF Collaboration

This paper describes a measurement of the mass and of the width of two neutral narrow resonances and , both composed of a charm quark and an up antiquark. The diff…

hep-ex2005★ 10 cited

Search for Higgs Boson Decaying to b-bbar and Produced in Association with W Bosons in p-pbar Collisions at sqrt{s}=1.96 TeV

CDF Collaboration, A. Abulencia

We present a search for Higgs bosons decaying into b-bbar and produced in association with W bosons in p-pbar collisions at sqrt{s}=1.96 TeV. This search uses 320 pb-1 of the datas…

hep-ex2005★ 108 cited

Measurement of the Isolated Photon Cross Section in p-pbar Collisions at sqrt{s}=1.96 TeV

D0 Collaboration

The cross section for the inclusive production of isolated photons has been measured in p anti-p collisions at sqrt{s}=1.96 TeV with the D0 detector at the Fermilab Tevatron Collid…