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Conference paperMahon AR, Allers L, Ott RJ, et al., 1997,
Preliminary results from CVD diamond detectors for biomolecular imaging
, 4th International Conference on Position-Sensitive Detectors, Publisher: ELSEVIER SCIENCE BV, Pages: 274-280, ISSN: 0168-9002- Author Web Link
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- Citations: 4
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Journal articleAskebjer P, Barwick SW, Bergström L, et al., 1997,
Optical properties of deep ice at the South Pole: Absorption
, Applied Optics, Vol: 36, Pages: 4168-4180, ISSN: 1559-128XWe discuss recent measurements of the wavelength-dependent absorption coefficients in deep South Pole ice. The method uses transit-time distributions of pulses from a variable-frequency laser sent between emitters and receivers embedded in the ice. At depths of 800-1000 m scattering is dominated by residual air bubbles, whereas absorption occurs both in ice itself and in insoluble impurities. The absorption coefficient increases approximately exponentially with wavelength in the measured interval 410-610 nm. At the shortest wavelength our value is approximately a factor 20 below previous values obtained for laboratory ice and lake ice; with increasing wavelength the discrepancy with previous measurements decreases. At ˜415 to ˜500 nm the experimental uncertainties are small enough for us to resolve an extrinsic contribution to absorption in ice: Submicrometer dust particles contribute by an amount that increases with depth and corresponds well with the expected increase seen near the Last Glacial Maximum in Vostok and Dome C ice cores. The laser pulse method allows remote mapping of gross structure in dust concentration as a function of depth in glacial ice. © 1997 Optical Society of America.
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Journal articleAcciarri M, Adriani O, AguilarBenitez M, et al., 1997,
Production of single W bosons at LEP
, PHYSICS LETTERS B, Vol: 403, Pages: 168-176, ISSN: 0370-2693- Author Web Link
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- Citations: 26
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Journal articleBarate R, Buskulic D, Decamp D, et al., 1997,
Search for B-c meson in hadronic Z decays
, PHYSICS LETTERS B, Vol: 402, Pages: 213-226, ISSN: 0370-2693- Author Web Link
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- Citations: 33
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Journal articleJafry Y, Sumner T, 1997,
Electrostatic charging of the LISA proof masses
, CLASSICAL QUANT GRAV, Vol: 14, Pages: 1567-1574 -
Journal articleKetzer B, Hartmann FJ, vonEgidy T, et al., 1997,
Interaction of antiprotonic helium atoms with H-2 molecules
, NUCLEAR PHYSICS B, Pages: 78-83, ISSN: 0550-3213- Author Web Link
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- Citations: 2
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Journal articleBarate R, Buskulic D, Decamp D, et al., 1997,
Measurement of the W mass in e(+)e(-) collisions at production threshold
, PHYSICS LETTERS B, Vol: 401, Pages: 347-362, ISSN: 0370-2693- Author Web Link
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- Citations: 48
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Journal articleAbreu P, Adam W, Adye T, et al., 1997,
Identified particles in quark and gluon jets
, PHYSICS LETTERS B, Vol: 401, Pages: 118-130, ISSN: 0370-2693- Author Web Link
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- Citations: 8
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Journal articleBarate R, Buskulic D, Decamp D, et al., 1997,
A measurement of R-b using a lifetime-mass tag
, PHYSICS LETTERS B, Vol: 401, Pages: 150-162, ISSN: 0370-2693- Author Web Link
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- Citations: 53
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Journal articleBarate R, Buskulic D, Decamp D, et al., 1997,
A measurement of R-b using mutually exclusive tags
, PHYSICS LETTERS B, Vol: 401, Pages: 163-175, ISSN: 0370-2693- Author Web Link
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- Citations: 46
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Journal articleAbreu P, Adam W, Adye T, et al., 1997,
Measurement of correlations between pions from different W's in e(+)e(-)->W+W- events
, PHYSICS LETTERS B, Vol: 401, Pages: 181-191, ISSN: 0370-2693- Author Web Link
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- Citations: 35
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Journal articleAcciarri M, Adriani O, Aguilar-Benitez M, et al., 1997,
Search for excited leptons in e<sup>+</sup>e<sup>-</sup> annihilation at √s = 161 GeV
, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol: 401, Pages: 139-149, ISSN: 0370-2693A search for excited leptons e*, μ*, τ* and ν*e in e+e- collisions at √s = 161 GeV is performed using the 10.8 pb-1 of data collected by the L3 detector at LEP. No evidence has been found for their existence. From an analysis of the expected ℓ*ℓ* pair production in the channels eeγγ, μμγγ, ττγγ, eeWW, and ννγγ, the lower mass limits at 95% C.L. are 79.7 GeV for e*, 79.9 GeV for μ*, 79.3 GeV for τ* and 71.2 GeV for ν*e assuming the same couplings as for standard leptons. From an analysis of the expected ℓℓ* single production in channels eeγ, μμγγ, τγγ, νeeW and ννγ, the upper limits on the couplings λ/mℓ* up to mℓ* = 161 GeV are determined. © 1997 Published by Elsevier Science B.V.
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Journal articleAcciarri M, Adriani O, AguilarBenitez M, et al., 1997,
Search for excited leptons in e(+)e(-) annihilation at root s=161 GeV
, PHYSICS LETTERS B, Vol: 401, Pages: 139-149, ISSN: 0370-2693- Author Web Link
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- Citations: 19
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Journal articleBarate R, Buskulic D, Decamp D, et al., 1997,
Study of muon-pair production at centre-of-mass energies from 20 to 136 GeV with the ALEPH detector
, PHYSICS LETTERS B, Vol: 399, Pages: 329-341, ISSN: 0370-2693- Author Web Link
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- Citations: 13
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Journal articleYamazaki T, Widmann E, Eades J, et al., 1997,
High-precision structural studies of the antiprotonic helium atom (p)over-bar(4)He(+) by observing laser resonances with Delta v=Delta(n-l-1)=2
, PHYSICAL REVIEW A, Vol: 55, Pages: R3295-R3298, ISSN: 2469-9926- Author Web Link
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- Citations: 34
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Journal articleBarate R, Buskulic D, Decamp D, et al., 1997,
Measurement of the tau lepton lifetime with the three-dimensional impact parameter method
, ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, Vol: 74, Pages: 387-398, ISSN: 0170-9739- Author Web Link
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- Citations: 6
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Journal articleAbreu P, Adam W, Adye T, et al., 1997,
Search for new phenomena using single photon events at LEP1
, ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, Vol: 74, Pages: 577-586, ISSN: 0170-9739- Author Web Link
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- Citations: 55
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Journal articleBarate R, Buskulic D, Decamp D, et al., 1997,
Inclusive production of neutral pions in hadronic Z decays
, ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, Vol: 74, Pages: 451-461, ISSN: 0170-9739- Author Web Link
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- Citations: 15
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Journal articleAbreu P, Adam W, Adye T, et al., 1997,
Search for the B-c meson
, PHYSICS LETTERS B, Vol: 398, Pages: 207-222, ISSN: 0370-2693- Author Web Link
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- Citations: 36
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Journal articleAcciarri M, Adriani O, AguilarBenitez M, et al., 1997,
Pair-production of W bosons in e(+)e(-) interactions at root s=161 GeV
, PHYSICS LETTERS B, Vol: 398, Pages: 223-238, ISSN: 0370-2693- Author Web Link
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- Citations: 63
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Journal articleAbreu P, Adam W, Adye T, et al., 1997,
A measurement of alpha(s) from the scaling violation in e(+)e(-) annihilation
, PHYSICS LETTERS B, Vol: 398, Pages: 194-206, ISSN: 0370-2693- Author Web Link
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- Citations: 30
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Conference paperHall G, 1997,
Issues for deep level models of bulk damage to silicon detectors
, 1st International Conference on Radiation Effects on Semiconductor Materials, Detectors and Devices, Publisher: ELSEVIER SCIENCE BV, Pages: 283-288, ISSN: 0168-9002- Author Web Link
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- Citations: 3
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Journal articleEfremov AV, Teryaev OV, Leader E, 1997,
Exact sum rule for transversely polarized DIS
, PHYSICAL REVIEW D, Vol: 55, Pages: 4307-4314, ISSN: 0556-2821- Author Web Link
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- Citations: 49
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Journal articleBuskulic D, DeBonis I, Decamp D, et al., 1997,
A study of tau decays involving eta and omega mesons
, ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, Vol: 74, Pages: 263-273, ISSN: 0170-9739- Author Web Link
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- Citations: 54
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Journal articleAcciarri M, Adrian O, Aguilar-Benitez M, et al., 1997,
Measurement of D<sup>-</sup><inf>s</inf> → τ<sup>-</sup> v̄<inf>τ</inf> and a new limit for B<sup>-</sup> → τ<sup>-</sup>v̄<inf>τ</inf>
, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol: 396, Pages: 327-337, ISSN: 0370-2693Using a data sample of 1 475000 Z → qq̄(γ) events collected during 1994 with the L3 detector at LEP, we have studied the purely leptonic decays of heavy flavour mesons, D-s → τ-v̄τ and B- → τ-v̄τ. A signal is observed in the invariant mass distribution M(γD-s) corresponding to the decay sequence D*-s → γD-s, D-s → τ-v̄τ, τ- → l-v̄lvτ. The branching fraction for D-s → τ-v̄τ decays is measured to be B(D-s → τ-v̄τ) = 0.074 ± 0.028(stat) ± 0.016(syst) ± 0.018(norm). No signal of B- → τ-v̄τ decays is observed in the data, corresponding to an upper limit on the branching fraction B (B- → τ-v̄τ) < 5.7 × 10-4 at 90% CL. © 1997 Elsevier Science B.V.
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Journal articleAcciarri M, Adriani O, AguilarBenitez M, et al., 1997,
Measurement of D-s(-)->tau(-)(nu)over-bar(tau) and a new limit for B-->tau(-)(nu)over-bar(tau center dot)
, PHYSICS LETTERS B, Vol: 396, Pages: 327-337, ISSN: 0370-2693- Author Web Link
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- Citations: 71
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Journal articleAbreu P, Adam W, Adye T, et al., 1997,
Search for stable heavy charged particles in e(+)e(-) collisions at root s=130-136, 161 and 172 GeV
, PHYSICS LETTERS B, Vol: 396, Pages: 315-326, ISSN: 0370-2693- Author Web Link
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- Citations: 24
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Journal articleBuskulic D, DeBonis I, Decamp D, et al., 1997,
Measurements of vertical bar V-cb vertical bar form factors and branching fractions in the decays (B)over-bar(0)->D(*+)l(-)(nu)over-bar(l) and (B)over-bar(0)->D(+)l(-)(nu)over-bar(l)
, PHYSICS LETTERS B, Vol: 395, Pages: 373-387, ISSN: 0370-2693- Author Web Link
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- Citations: 84
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Journal articleBuskulic D, de Bonis I, Decamp D, et al., 1997,
Measurements of
, Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol: 395, Pages: 373-387, ISSN: 0370-2693Two samples of exclusive semileptonic decays, 579 B̄0 → D*+ℓ-v̄ℓ events and 261 B̄0 → D+ℓ-v̄ℓ events, are selected from approximately 3.9 million hadronic Z decays collected by the ALEPH detector at LEP. From the reconstructed differential decay rate of each sample, the product of the hadronic form factor ℱ(ω) at zero recoil of the D(*)+ meson and the CKM matrix element |Vcb| are measured to be ℱD*+(1)|Vcb| = (31.9 ± 1.8stat ± 1.9syst) × 10-3, ℱD+(1)|Vcb| = (27.8 ± 6.8stat ± 6.5syst) × 10-3. The ratio of the form factors ℱD+(1) and ℱD*+ (1) is measured to be ℱD+(1)/ℱD*+ (1) = 0.87 ± 0.22stat ± 0.21syst. A value of |Vcb| is extracted from the two samples, using theoretical constraints on the slope and curvature of the hadronic form factors and their normalization at zero recoil, with the result |Vcb| = (34.4 ± 1.6stat ± 2.3syst ± 1.4th) × 10-3. The branching fractions are measured from the two integrated spectra to be Br(B̄0 → D*+ℓ-v̄ℓ) = (5.53 ± 0.26stat ± 0.52syst)%,Br(B̄0 → D+ℓ-v̄ℓ) = (2.35 ± 0.20stat ± 0.445syst)%. © 1997 Elsevier Science B.V.
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Journal articleKetzer B, Hartmann FJ, vonEgidy T, et al., 1997,
Hydrogen-assisted laser-induced resonant transitions between metastable states of antiprotonic helium atoms
, PHYSICAL REVIEW LETTERS, Vol: 78, Pages: 1671-1674, ISSN: 0031-9007- Author Web Link
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- Citations: 36
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