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Center for Russian, East European and Eurasian Studies: Recent submissions
Now showing items 401-420 of 554
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Search for exclusive multibody Non-D(D)overbar decays at the psi(3770) resonance
(AMERICAN PHYSICAL SOC, 2006-01)Using data collected at the psi(3770) resonance with the CLEO-c detector at the Cornell e(+)e(-) storage ring, we present searches for 25 charmless decay modes of the psi(3770), mostly multibody final states. No evidence ... -
Observation of B-s production at the Upsilon(5S) resonance
(AMERICAN PHYSICAL SOC, 2006-01)Using the CLEO detector at the Cornell Electron Storage Ring, we have observed the B-s meson in e(+)e(-) annihilation at the Upsilon(5S) resonance. We find 14 candidates consistent with B-s decays into final states with a ... -
Evidence for B-s((*)) (B)over-bar(s)((*)) - Production at the Upsilon (5S) resonance
(AMERICAN PHYSICAL SOC, 2005-12)We use data collected by the CLEO III detector at the Cornell Electron Storage Ring to measure the inclusive yields of D-s mesons as B(Upsilon(5S)-> DsX)=(44.7 +/- 4.2 +/- 9.9)% and B(Upsilon(4S)-> DsX)=(18.1 +/- 0.5 +/- ... -
Search for rare and forbidden decays D+-> h(+/-)e(-/+)e(+)
(AMERICAN PHYSICAL SOC, 2005-11)Using 0.8x10(6) D+D- pairs collected with the CLEO-c detector at the psi(3770) resonance, we have searched for flavor-changing neutral current and lepton-number-violating decays of D+ mesons to final states with dielectrons. ... -
Absolute branching fraction measurements of exclusive D-0 semileptonic decays
(AMERICAN PHYSICAL SOC, 2005-10)With the first data sample collected by the CLEO-c detector at the psi(3770) resonance we have studied four exclusive semileptonic decays of the D-0 meson. Our results include the first observation and absolute branching ... -
Precision measurements of the timelike electromagnetic form factors of pion, kaon, and proton
(AMERICAN PHYSICAL SOC, 2005-12)Using 20.7 pb(-1) of e(+)e(-) annihilation data taken at root s = 3.671 GeV with the CLEO-c detector, precision measurements of the electromagnetic form factors of the charged pion, charged kaon, and proton have been made ... -
Improved measurement of B(D+->mu(+)nu) and the pseudoscalar decay constant f(D)(+)
(AMERICAN PHYSICAL SOC, 2005-12)We extract a relatively precise value for the decay constant of the D+ meson by measuring B(D+->mu(+)nu)=(4.40 +/- 0.66(-0.12)(+0.09))x10(-4) using 281 pb(-1) of data taken on the psi(3770) resonance with the CLEO-c detector. ... -
Measurement of absolute hadronic branching fractions of D mesons and e(+)e(-)-> D(D)over-bar cross sections at E-c.m.=3773 MeV
(AMERICAN PHYSICAL SOC, 2005-09)Using 55.8 pb(-1) of e(+)e(-) collisions recorded at the psi(3770) resonance with the CLEO-c detector at CESR, we determine absolute hadronic branching fractions of charged and neutral D mesons using a double tag technique. ... -
Observation of a new charmed strange meson
(AMERICAN PHYSICAL SOC, 1994-03)Using the CLEO II detector, we have obtained evidence for a new meson decaying to D0K+. Its mass is 2573.2(-1.6)+1.7 +/- 0.8 +/- 0.5 MeV/c2 and its width is 16(-4)+5 +/- 3 MeV/C2. Although we do not establish its spin and ... -
Observation of D(0) → K+pi-
(AMERICAN PHYSICAL SOC, 1994-03)Using the CLEO II data sample, with an integrated luminosity of 1.8 fb-1 at and near the UPSILON(4S) resonance, we have observed a signal for D0 --> K+pi-, which could be due to either D0D0BAR mixing or doubly Cabibbo ... -
Observation of a narrow state decaying into XI(c)(+)pi(-)
(AMERICAN PHYSICAL SOC, 1995-12)Using data recorded by the CLEO-II detector at Cornell Electron Storage Ring (CESR), we report the first observation of a narrow state decaying into Xi(c)(+) pi(-). The state has mass difference M(Xi(c)(+) pi(-)) - M(Xi(c)(+)) ... -
New decay modes of the lambda(+)(c) charmed baryon
(AMERICAN PHYSICAL SOC, 1995-05) -
Observation of excited charmed baryon states decaying to Lambda(+)(c)pi(+)pi(-)
(AMERICAN PHYSICAL SOC, 1995-04) -
First observation of the decay XI(+)(C)-]XI(0)E+NU(E) and an estimate of the XI(+)(C)/XI(0)(C) lifetime ratio
(AMERICAN PHYSICAL SOC, 1995-04) -
First measurement of the rate for the inclusive radiative penguin decay b -> s gamma
(AMERICAN PHYSICAL SOC, 1995-04) -
Semileptonic branching fractions of charged and neutral B mesons
(AMERICAN PHYSICAL SOC, 1994-12) -
Search for neutrinoless decays of the tau lepton
(AMERICAN PHYSICAL SOC, 1994-10)A search for lepton flavor violating decays of the tau into either three charged leptons or one charged lepton and two charged hadrons was performed using 2.05 fb-1 of data collected by the CLEO-II experiment at the Cornell ... -
Branching fractions for psi(2S)-to-J/psi transitions
(AMERICAN PHYSICAL SOC, 2005-06)We describe new measurements of the inclusive and exclusive branching fractions for psi(2S) transitions to J/psi using e(+)e(-) collision data collected with the CLEO detector operating at CESR. All branching fractions and ... -
Search for B -> l(nu)over bar(l)
(AMERICAN PHYSICAL SOC, 1995-07)We search for the decays B- --> l(-)<(nu)over bar>(l) in a sample of 2.2 x 10(6) charged B decays using the CLEO detector. We see no evidence for a signal in any channel and set upper limits on the branching fractions of ... -
Observation of the h(c)((1)P1) state of charmonium
(AMERICAN PHYSICAL SOC, 2005-09)The h(c)(P-1(1)) state of charmonium has been observed in the reaction psi(2S)->pi(0)h(c)->(gamma gamma)(gamma eta(c)) using 3.08x10(6) psi(2S) decays recorded in the CLEO detector. Data have been analyzed both for the ...
