D. M. Lee
Los Alamos National Laboratory
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Featured researches published by D. M. Lee.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994
M. Acciarri; A. Adam; O. Adriani; S. Ahlen; J. Alcaraz; G. Ambrosi; E. Babucci; L. Baksay; A. Baschirotto; R. Battiston; W. Baur; A. Bay; Gy.L. Bencze; B. Bertucci; M. Biasini; G. M. Bilei; G.J. Bobbink; J. Boissevain; M. Bosetti; M. L. Brooks; W.J. Burger; J. Busenitz; C. Camps; M. Caria; G. Castellini; R. Castello; B. Checcuccl; A. Chen; T.E. Coan; V. Commichau
Abstract The design and construction of the silicon strip microvertex detector (SMD) of the L3 experiment at LEP are described. We present the sensors, readout electronics, data acquisition system, mechanical assembly and support, displacement monitoring systems and radiation monitoring system of the recently installed double-sided, double-layered SMD. This detector utilizes novel and sophisticated techniques for its readout.
Physical Review Letters | 2007
L. Zhu; J. C. Peng; P. E. Reimer; T. C. Awes; M. L. Brooks; C. N. Brown; J. D. Bush; T. A. Carey; T. H. Chang; W. E. Cooper; C. A. Gagliardi; G. T. Garvey; D. F. Geesaman; E. A. Hawker; X. He; L. Isenhower; Daniel M. Kaplan; S. Kaufman; S. Klinksiek; D. D. Koetke; D. M. Lee; W. M. Lee; M. J. Leitch; N. Makins; P. L. McGaughey; J. M. Moss; B. A. Mueller; P. M. Nord; V. Papavassiliou; B. K. Park
We report a measurement of the angular distributions of Drell-Yan dimuons produced using an 800 GeV/c proton beam on a deuterium target. The muon angular distributions in the dilepton rest frame have been measured over the kinematic range 4.5<m{mu mu}<15 GeV/c{2}, 0<p{T}<4 GeV/c, and 0<x{F}<0.8. No significant cos2phi dependence is found in these proton-induced Drell-Yan data, in contrast with the situation for pion-induced Drell-Yan data. The data are compared with expectations from models which attribute the cos2phi distribution to a QCD vacuum effect or to the presence of the transverse-momentum-dependent Boer-Mulders structure function h{1}{perpendicular}. Constraints on the magnitude of the sea-quark h{1}{perpendicular} structure functions are obtained.
Physical Review D | 2001
R. S. Towell; P. L. McGaughey; E. A. Hawker; M. E. Sadler; B. K. Park; M. L. Brooks; D. M. Lee; R. E. Tribble; J. D. Bush; M. E. Beddo; Y. C. Wang; T. H. Chang; B. A. Mueller; Paul E. Reimer; W. M. Lee; D. F. Geesaman; T. A. Carey; X. He; S. Kaufman; D. D. Koetke; C. A. Gagliardi; P. Kirk; P. W. Stankus; G. R. Young; Z. F. Wang; T. C. Awes; J. M. Moss; W. E. Sondheim; Vasilev; M. J. Leitch
Measurements of the ratio of Drell-Yan yields from an 800 \rm{GeV/c} proton beam incident on liquid hydrogen and deuterium targets are reported. Approximately 360,000 Drell-Yan muon pairs remained after all cuts on the data. From these data, the ratio of anti-down (
Physical Review Letters | 2008
L. Y. Zhu; P. E. Reimer; B. A. Mueller; T. C. Awes; M. L. Brooks; C. N. Brown; J. D. Bush; T. A. Carey; T. H. Chang; W. E. Cooper; C. A. Gagliardi; G. T. Garvey; D. F. Geesaman; E. A. Hawker; X. He; D. Howell; L. Isenhower; Daniel M. Kaplan; S. Kaufman; S. Klinksiek; D. D. Koetke; D. M. Lee; W. M. Lee; M. J. Leitch; N. Makins; P. L. McGaughey; J. M. Moss; P. M. Nord; V. Papavassiliou; B. K. Park
\bar{d}
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1995
M. Acciarri; A. Adam; O. Adriani; S. Ahlen; J. Alcaraz; G. Ambrosi; H. Andersson; V. Andreev; E. Babucci; L. Baksay; A. Baschirotto; R. Battiston; A. Bay; Gv.L. Bencze; B. Bertucci; M. Biasini; G. M. Bilei; G. J. Bobbink; M. Bosetti; V. Brigljevic; M. L. Brooks; W.J. Burger; J. Busenitz; C. Camps; M. Caria; G. Castellini; B. Checcucci; A. Chen; E. Choumilov; V. Choutko
) to anti-up (
Physical Review Letters | 1986
W.J. Burger; E. J. Beise; S. Gilad; and R. P. Redwine; P. G. Roos; N. S. Chant; H. Breuer; G. Ciangaru; J. D. Silk; G. S. Blanpied; B. M. Preedom; B. G. Ritchie; M. Blecher; K. Gotow; D. M. Lee; H.J. Ziock
\bar{u}
Physical Review D | 1995
A. P. Heinson; J. Horvath; P. Knibbe; C. Mathiazhagan; W.R. Molzon; Urheim J; K. Arisaka; R. Cousins; T. Kaarsberg; J. Konigsberg; P. Melese; P. Rubin; W. Slater; D. Wagner; Hart Gw; W.W. Kinnison; D. M. Lee; R.J. McKee; E.C. Milner; G.H. Sanders; H.J. Ziock; S. Axelrod; K. Biery; M.V. Diwan; G. M. Irwin; K. Lang; J. Margulies; D.A. Ouimette; A. J. Schwartz; S. G. Wojcicki
) quark distributions in the proton sea is determined over a wide range in Bjorken-
Physics Letters B | 1977
R. J. Holt; B. Zeidman; D. J. Malbrough; T. Marks; B. M. Preedom; M.P. Baker; R.L. Burman; M. D. Cooper; R.H. Heffner; D. M. Lee; R.P. Redwine; James E. Spencer
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Physical Review Letters | 1986
W.J. Burger; E. J. Beise; S. Gilad; a.R.P. Redwine; P. G. Roos; N. S. Chant; H. Breuer; G. Ciangaru; J. D. Silk; G. S. Blanpied; B. M. Preedom; Barry G. Ritchie; M. Blecher; K. Gotow; D. M. Lee; H.J. Ziock
. These results confirm previous measurements by E866 and extend them to lower
Nuclear Physics | 1988
R.L. Shypit; D.V. Bugg; D. M. Lee; M.W. McNaughton; Richard R. Silbar; N. M. Stewart; A.S. Clough; C. L. Hollas; K.H. McNaughton; P. J. Riley; C.A. Davis
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