activity
19952010
most citedExperimental evidence for a light and broad scalar resonance in decay

315 citations · 1.3k across the 31 of their papers we have counts for

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29 papers · 1 filter

hep-ex2010★ 1 cited

Study of the rare hyperon decay Omega \to Xi π^+ π^-

HyperCP Collaboration, O. Kamaev, N. Solomey +30

We report a new measurement of the decay Ω^- \to Ξ^- π^+ π^- with 76 events and a first observation of the decay Ω^+ \to Ξ^+ π^+ π^- with 24 events, yielding a combined branching r…

hep-ex2005★ 90 cited

Model Independent Measurement of \swave systems using $\Dp\to Kππ$ Decays from Fermilab E791

E791 Collaboration, E. Aitala

A model-independent partial-wave analysis of the \swave component of the system from decays of mesons to the three-body $\Km\pip\pip$ final state is described. Data co…

hep-ex2005★ 20 cited

Search for the Lepton-Number-Violating Decay

HyperCP Collaboration, D. Rajaram, R. A. Burnstein +28

A sensitive search for the lepton-number-violating decay has been performed using a sample of hyperons produced in 800 GeV/ -Cu collisions.…

hep-ex2005★ 7 cited

Observation of Parity Violation in the Omega-minus -> Lambda + K-minus Decay

HyperCP Collaboration, L. C. Lu, R. A. Burnstein +28

The alpha decay parameter in the process Omega-minus -> Lambda + K-minus has been measured from a sample of 4.50 million unpolarized Omega-minus decays recorded by the HyperCP (E87…

hep-ex2005★ 3 cited

delta S = 2 nonleptonic hyperon decays

C. G. White, R. A. Burnstein, A. Chakravorty +32

A sensitive search for the rare decays Ω^- \to Λπ^- and Ξ^0 \to p π^- has been performed using data from the 1997 run of the HyperCP (Fermilab E871) experiment. Limits on other suc…

hep-ex2005★ 95 cited

Evidence for the Decay Sigma+ -> p mu+ mu-

H. K. Park, R. A. Burnstein, A. Chakravorty +30

We report the first evidence for the decay Sigma+ -> p mu+ mu- from data taken by the HyperCP experiment(E871) at Fermilab. Based on three observed events, the branching ratio is B…

hep-ex2004★ 37 cited

Search for CP Violation in Charged-Xi and Lambda Hyperon Decays

HyperCP Collaboration, T. Holmstrom, N. Leros +35

We have compared the proton and antiproton angular distributions in 117 million Xi-minus -> Lambda + pi-minus -> proton + pi-minus + pi-minus and 41 million anti-Xi-minus -> anti-L…

hep-ex2004★ 47 cited

High Statistics Search for the Theta+(1.54) Pentaquark State

M. J. Longo, R. A. Burnstein, A. Chakravorty +30

We have searched for Theta+(1.54) -> K0,p decays using data from the 1999 run of the HyperCP experiment at Fermilab. We see no evidence for a narrow peak in the K0,p mass distribut…

hep-ex2004★ 6 cited

Neutrino Scattering Uncertainties and their Role in Long Baseline Oscillation Experiments

The MINERvA Collaboration, D. A. Harris

The field of oscillation physics is about to make an enormous leap forward in statistical precision: first through the MINOS experiment in the coming year, and later through the NO…

hep-ex2004★ 28 cited

HyperCP: A high-rate spectrometer for the study of charged hyperon and kaon decays

HyperCP collaboration, R. A. Burnstein, A. Chakravorty +36

The HyperCP experiment (Fermilab E871) was designed to search for rare phenomena in the decays of charged strange particles, in particular CP violation in and hyperon decay…

hep-ex2002★ 12 cited

Differential cross sections, charge production asymmetry, and spin-density matrix elements for D*(2010) produced in 500 GeV/c pi^- nucleon interactions

Fermilab E791 Collaboration

We report differential cross sections for the production of D*(2010) produced in 500 GeV/c pi^- nucleon interactions from experiment E791 at Fermilab, as functions of Feynman-x (x_…

hep-ex2000★ 36 cited

Search for Rare and Forbidden Charm Meson Decays D0--> V l+ l- and h h l l

Fermilab E791 Collaboration, E. M. Aitala

We report the results of a search for flavor-changing neutral current, lepton-flavor, and lepton-number violating decays of the 3 and 4-body decay modes of D0 (and its antiparticle…

hep-ex2000★ 100 cited

Observation of color-transparency in diffractive dissociation of pions

E791 Collaboration, E. M. Aitala

We have studied the diffractive dissociation into di-jets of 500 GeV/c pions scattering coherently from carbon and platinum targets. Extrapolating to asymptotically high energies (…

hep-ex2000★ 106 cited

Direct measurement of the pion valence quark momentum distribution, the pion light-cone wave function squared

E791 Collaboration, E. M. Aitala

We present the first direct measurements of the pion valence quark momentum distribution which is related to the square of the pion light-cone wave function. The measurements were…

hep-ex2000★ 2 cited

Fermilab E791

L. M. Cremaldi

Fermilab E791, a very high statistics charm particle experiment, recently completed its data taking at Fermilab's Tagged Photon Laboratory. Over 20 billion events were recorded thr…

hep-ex2000★ 315 cited

Experimental evidence for a light and broad scalar resonance in decay

E791 Collaboration

From a sample of decay, we find . Using a coherent amp…

hep-ex2000★ 4 cited

Observation of D-pi Production Correlations in 500 GeV pi- - N Interactions

FNAL E791 Collaboration, E. M. Aitala, K. Gounder

We study the charge correlations between charm mesons produced in 500 GeV pi- - N interactions and the charged pions produced closest to them in phase space. With 110,000 fully rec…

hep-ex1999★ 25 cited

Multidimensional Resonance Analysis of

E. M. Aitala

We present the results of a five-dimensional resonant amplitude analysis of the system based on reconstructed decays. These data were produced i…

hep-ex1999★ 38 cited

Search for Rare and Forbidden Dilepton Decays of the D+, Ds, and D0 Charmed Mesons

Fermilab Experiment E791 Collaboration, E. M. Aitala

We report the results of a search for flavor-changing neutral current, lepton-flavor violating, and lepton-number violating decays of D+, Ds, and D0 mesons (and their antiparticles…

hep-ex1999★ 11 cited

Total Forward and Differential Cross Sections of Neutral D Mesons Produced in 500 GeV/c -Nucleon Interactions

E791 Collaboration, E. M. Aitala

We measure the neutral D total forward cross section and the differential cross sections as function of Feynman-x () and transverse momentum squared for 500 GeV/c -nucleo…

hep-ex1998★ 10 cited

Measurement of the form-factor ratios for D_s^+ -> phi ell^+ nu_ell

Fermilab E791 Collaboration, E. M. Aitala, S. Amato

We have measured the form factor ratios r_V = V(0)/A_1(0) and r_2 = A_2(0)/A_1(0) for the decay D_s^+ -> phi ell^+ nu_ell, phi -> K^+ K^-, using data from charm hadroproduction exp…

hep-ex1998★ 10 cited

Measurement of the Ds Lifetime

Fermilab E791 Collaboration, E. M. Aitala

We report the results of a precise measurement of the Ds meson lifetime based on 1662 +/- 56 fully reconstructed Ds -> phi pi decays, from the charm hadroproduction experiment E791…

hep-ex1998★ 19 cited

Measurement of the form-factor ratios for D+ --> K* l nu

E. M. Aitala et al, E791 Collaboration

The form factor ratios rv=V(0)/A1(0), r2=A2(0)/A1(0) and r3=A3(0)/A1(0) in the decay D+ --> K* l nu, K* -->K-pi+ have been measured using data from charm hadroproduction experiment…

hep-ex1997★ 6 cited

The doubly Cabibbo-suppressed decay

The Fermilab E791 Collaboration

We report the observation of the doubly Cabibbo-suppressed decay in data from Fermilab charm hadroproduction experiment E791. With a signal of 59 \pm 13 events…