Search Results - "Mehrabyan, S."
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Limits on light-speed anisotropies from Compton scattering of high-energy electrons
Published in Physical review letters (18-06-2010)“…The possibility of anisotropies in the speed of light relative to the limiting speed of electrons is considered. The absence of sidereal variations in the…”
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2
Determination of the strong phase in D0-->K+pi- using quantum-correlated measurements
Published in Physical review letters (06-06-2008)“…We exploit the quantum coherence between pair-produced D0 and D[over]0 in psi(3770) decays to study charm mixing, which is characterized by the parameters x…”
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3
New Measurements of Cabibbo-Suppressed Decays of D Mesons with the CLEO-c Detector
Published in Physical review letters (03-03-2006)“…Using 281 pb{sup -1} of data collected with the CLEO-c detector, we report on first observations and measurements of Cabibbo-suppressed decays of D mesons in…”
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4
Dielectron Widths of the Υ ( 1 S , 2 S , 3 S ) Resonances
Published in Physical review letters (10-03-2006)Get full text
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5
Observation of B s Production at the Υ ( 5 S ) Resonance
Published in Physical review letters (20-01-2006)Get full text
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6
Search for X ( 3872 ) in γ γ Fusion and Radiative Production at CLEO
Published in Physical review letters (28-01-2005)Get full text
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7
Search for the Lepton-Flavor-Violating Leptonic B 0 → μ ± τ ∓ and B 0 → e ± τ
Published in Physical review letters (10-12-2004)Get full text
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8
Transverse energy flow in meson-proton and meson-nucleus interactions at 250 GeV/c
Published in The European physical journal. C, Particles and fields (01-06-2001)“…The transverse energy carried by charged hadrons and by \({\pi}^-\) mesons is studied in interactions of \({\pi}^+\) and K\(^+\) mesons with protons and nuclei…”
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Observation of an exotic S = +1 baryon in exclusive photoproduction from the deuteron
Published in Physical review letters (19-12-2003)“…In an exclusive measurement of the reaction gammad-->K(+)K(-)pn, a narrow peak that can be attributed to an exotic baryon with strangeness S=+1 is seen in the…”
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10
Charmonium Decays of Y(4260), psi(4160), and psi(4040)
Published in Physical review letters (28-04-2006)“…Using data collected with the CLEO detector operating at the CESR e+e- collider at sqrt[s]=3.97-4.26 GeV, we investigate 15 charmonium decay modes of the…”
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11
Observation of the hc(1P) Using e+e - Collisions above the DD̄ Threshold
Published in Physical review letters (20-07-2011)Get full text
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12
Observation of an exotic baryon with S=+1 in photoproduction from the proton
Published in Physical review letters (23-01-2004)“…The reaction gamma p-->pi(+)K(-)K(+)n was studied at Jefferson Laboratory using a tagged photon beam with an energy range of 3-5.47 GeV. A narrow baryon state…”
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Precision measurement of the mass of the hc(1P1) state of charmonium
Published in Physical review letters (31-10-2008)“…A precision measurement of the mass of the h_{c}(1P1) state of charmonium has been made using a sample of 24.5x10;{6} psi(2S) events produced in e;{+}e;{-}…”
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14
Search for very light CP-odd Higgs Boson in radiative decays of Upsilon(1S)
Published in Physical review letters (10-10-2008)“…We search for a non-SM-like CP-odd Higgs boson (a(1)(0)) decaying to tau(+)tau(-) or mu(+)mu(-) in radiative decays of the Upsilon(1S). No significant signal…”
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15
Precision measurements of the timelike electromagnetic form factors of pion, kaon, and proton
Published in Physical review letters (31-12-2005)“…Using 20.7 pb(-1) of e(+)e(-) annihilation data taken at sq.rt(r) = 3.671 GeV with the CLEO-c detector, precision measurements of the electromagnetic form…”
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16
J/psi and psi(2S) Radiative Transitions to eta_{c}
Published in Physical review letters (09-01-2009)“…Using 2.45x10;{7} psi(2S) decays collected with the CLEO-c detector at the Cornell Electron Storage Ring we present the most precise measurements of magnetic…”
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17
Search for medium modifications of the rho meson
Published in Physical review letters (31-12-2007)“…The photoproduction of vector mesons on various nuclei has been studied using the CLAS detector at Jefferson Laboratory. The vector mesons, rho, omega, and…”
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18
Radiative decays of the Υ ( 1 S ) to a pair of charged hadrons
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-02-2006)Get full text
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19
Measurement of the N-->Delta(+)(1232) transition at high-momentum transfer by pi(0) electroproduction
Published in Physical review letters (15-09-2006)“…We report a new measurement of the exclusive electroproduction reaction gamma(*)p-->pi(0)p to explore the evolution from soft nonperturbative physics to hard…”
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First observation of a Υ ( 1 D ) state
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-08-2004)Get full text
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