X-Q. Lu
Johns Hopkins University
6 Papers
66 Citations
X-Q. Lu is an academic researcher from Johns Hopkins University. The author has contributed to research in topics: Time projection chamber & Ionization. The author has an hindex of 5, co-authored 6 publications.
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Papers
Spatial Resolution of the PEP-4 Time Projection Chamber
Hiroaki Aihara,M. Alston-Garnjost,D. H. Badtke,J. A. Bakken,A. Barbaro-Galtieri,A. V. Barnes,B. A. Barnett,Barry Blumenfeld,A. D. Bross,C. D. Buchanan,W. C. Carithers,O. Chamberlain,J. Chiba,C.Y. Chien,Allan G Clark,O. I. Dahl,C. T. Day,P. Delpierre,K. A. Derby,P. H. Eberhard,D. L. Fancher,H. Fujii,T. Fujii,B. Gabioud,J. W. Gary,W. Gorn,N. J. Hadley,J. M. Hauptman,B. Heck,H. Hilke,J. E. Huth,J. Hylen,H. Iwasaki,T. Kamae,R. W. Kenney,L. T. Kerth,R. I. Koda,R. R. Kofler,K. K. Kwong,J. G. Layter,C. S. Lindsey,S. C. Loken,X-Q. Lu,G. R. Lynch,L. Madansky,R. J. Madaras,R. Majka,J. Mallet,P. S. Martin,K. Maruyama,J. N. Marx,J. A. J. Matthews,S. O. Melnikoff,W. Moses,P. Nemethy,D. R. Nygren,P. J. Oddone,D. A. Park,A. Pevsner,M. Pripstein,P. R. Robrish,M. T. Ronan,R. R. Ross,F. R. Rouse,G. Shapiro,M. D. Shapiro,B. C. Shen,W. E. Slater,M. L. Stevenson,D. H. Stork,H. K. Ticho,N. Toge,M. Urban,G. J. Van Dalen,R. van Tyen,H. Videau,Mitchell Wayne,W. A. Wenzel,R. F. vanDaalen Wetters,M. Yamauchi,M. E. Zeller,W-M. Zhang,Ronald Madaras +82 more
TL;DR: In this paper, the spatial resolution and response of the segmented cathode pads of the PEP-4 TPC have been measured with data taken at 8.5 atmospheres of 80% Argon-20% Methane gas with a 4kG magnetic field.
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Measurement of Ionization Loss in the Relativistic Rise Region with the Time Projection Chamber
Bernard Gabioud,Hiroaki Aihara,M. Alston-Garnjost,D. H. Badtke,J. A. Bakken,A. Barbaro-Galtieri,A. V. Barnes,B. A. Barnett,Barry Blumenfeld,A. D. Bross,C. D. Buchanan,W. C. Carithers,O. Chamberlain,J. Chiba,C.Y. Chien,A. R. Clark,O. I. Dahl,C. T. Day,P. Delpierre,K. A. Derby,P. H. Eberhard,D. L. Fancher,H. Fujii,T. Fujii,B. Gabioud,J. W. Gary,W. Gorn,N. J. Hadley,J. M. Hauptman,B. Heck,H. Hilke,J. E. Huth,J. Hylen,H. Iwasaki,T. Kamae,R. W. Kenney,L. T. Kerth,R. I. Koda,R. R. Kofler,K. K. Kwong,J. G. Layter,C. S. Lindsey,S. C. Loken,X-Q. Lu,G. R. Lynch,L. Madansky,Ronald Madaras,R. Majka,J. Mallet,P. S. Martin,K. Maruyama,J. N. Marx,J. A. J. Matthews,S. O. Melnikoff,W. Moses,P. Nemethy,D. R. Nygren,P. J. Oddone,D. A. Park,A. Pevsner,M. Pripstein,P. R. Robrish,M. T. Ronan,R. R. Ross,F. R. Rouse,G. Shapiro,M. D. Shapiro,B. C. Shen,W. E. Slater,M. L. Stevenson,D. H. Stork,H. K. Ticho,N. Toge,M. Urban,G. J. Van Dalen,R. van Tyen,H. Videau,Mitchell Wayne,W. A. Wenzel,R. F. vanDaalen Wetters,M. Yamauchi,M. E. Zeller,W-M. Zhang +82 more
TL;DR: In this paper, the results obtained with the LBL Time Projection Chamber (TPC) regarding the particle identification by the measurement of the ionization losses in the relativistic rise region were presented.
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Geiger Mode Calorimeter for PEP-4
Hiroaki Aihara,M. Alston-Garnjost,D. H. Badtke,J. A. Bakken,A. Barbaro-Galtieri,A. V. Barnes,B. A. Barnett,Barry Blumenfeld,A. D. Bross,C. D. Buchanan,W. C. Carithers,O. Chamberlain,J. Chiba,C.Y. Chien,Allan G Clark,O. I. Dahl,C. T. Day,P. Delpierre,K. A. Derby,P. H. Eberhard,D. L. Fancher,H. Fujii,T. Fujii,B. Gabioud,J. W. Gary,W. Gorn,N. J. Hadley,J. M. Hauptman,B. Heck,H. Hilke,J. E. Huth,J. Hylen,H. Iwasaki,T. Kamae,R. W. Kenney,L. T. Kerth,R. I. Koda,R. R. Kofler,K. K. Kwong,J. G. Layter,C. S. Lindsey,S. C. Loken,X-Q. Lu,G. R. Lynch,L. Madansky,R. J. Madaras,R. Majka,J. Mallet,P. S. Martin,K. Maruyama,J. N. Marx,J. A. J. Matthews,S. O. Melnikoff,W. Moses,P. Nemethy,D. R. Nygren,P. J. Oddonel,D. A. Park,A. Pevsner,M. Pripstein,P. R. Robrish,M. T. Ronan,R. R. Ross,F. R. Rouse,G. Shapiro,M. D. Shapiro,B. C. Shen,W. E. Slater,M. L. Stevenson,D. H. Stork,H. K. Ticho,N. Toge,M. Urban,G. J. Van Dalen,R. van Tyen,H. Videau,Mitchell Wayne,W. A. Wenzel,R. F. vanDaalen Wetters,M. Yamauchi,M. E. Zeller,W-M. Zhang +81 more
TL;DR: The PEP-4 hexagonal barrel calorimeter, with lead-laminate layers and 5×lOmm2 Geiger-mode discharge cells, has demonstrated excellent stability and uniformity in operation.
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Performance of a Drift Chamber System for the Time Projection Chamber Detector Facility at PEP
Hiroaki Aihara,M. Alston-Garnjost,D. H. Badtke,J. A. Bakken,A. Barbaro-Galtieri,A. V. Barnes,B. A. Barnett,Barry Blumenfeld,A. D. Bross,C. D. Buchanan,W. C. Carithers,O. Chamberlain,J. Chiba,C.Y. Chien,Allan G Clark,Orin I. Dahl,C. T. Day,K. A. Derby,P. Delpierre,P. H. Eberhard,D. L. Fancher,Hirotsugu Fujii,T. Ftjii,B. Gabioud,J. W. Gary,W. Gorn,B. Heck,N. J. Hadley,J. M. Hauptman,H-J. Hilke,J. E. Huth,J. Hylen,H. Iwasaki,T. Kamae,R. W. Kenney,L. T. Kerth,R. I. Koda,R. R. Kofler,K. K. Kwong,J. G. Layter,C. S. Lindsey,S. C. Loken,X-Q. Lu,G. Lynch,L. Madansky,R. J. Madaras,R. Majka,J. Mallet,P. S. Martin,K. Maruyama,J. N. Marx,J. A. J. Matthews,S. O. Melnikoff,W. Moses,P. Nemethy,D. R. Nygren,P. J. Oddone,D. A. Park,A. Pevsner,M. Pripstein,P. R. Robrish,M. T. Ronan,Ronald R. Ross,F. R. Rouse,G. Shapiro,Marjorie Shapiro,B. C. Shen,W. E. Slater,M. L. Stevenson,D. H. Stork,H. K. Ticho,N. Toge,G. J. Van Dalen,R. van Tyen,M. Urban,H. Videau,Mitchell Wayne,William A. Wenzel,R. F. vanDaalen Wetters,M. Yamauchi,M. E. Zeller,W-M. Zhang,Clark S. Lindsey +82 more
TL;DR: In this paper, two cylindrical drift chambers have been designed and constructed to trigger the Time Projection Chamber and to assist in tracking and momentum reconstruction, with data collected from cosmic rays and actual e+e-collisions during recent experimental runs.
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A Muon Detection System for the PEP4 Facility
Hiroaki Aihara,M. Alston-Garnjost,D. H. Badtke,J. A. Bakken,A. Barbaro-Galtieri,A. V. Barnes,B. A. Barnett,Barry Blumenfeld,A. D. Bross,C. D. Buchanan,W. C. Carithers,O. Chamberlain,J. Chiba,C.Y. Chien,Allan G Clark,Orin I. Dahl,C. T. Day,P. Delpiee,K. A. Derby,P. H. Eberhard,D. L. Fancher,Hirotsugu Fujii,T. Fujii,B. Gabioud,J. W. Gary,W. Gorn,N. J. Hadley,J. M. Hauptman,B. Heck,H. Hilke,J. E. Huth,J. Hylen,H. Iwasaki,T. Kamae,R. W. Kenney,L. T. Kerth,R. I. Koda,R. R. Kofler,K. K. Kwong,J. G. Layter,C. S. Lindsey,S. C. Loken,X-Q. Lu,G. Lynch,L. Madansky,R. J. Madaras,R. Majka,J. Mallet,P. S. Martin,K. Maruyama,J. N. Marx,J. A. J. Matthews,S. O. Melnikoff,W. Moses,P. Nemethy,D. R. Nygren,P. J. Oddone,D. A. Park,A. Pevsner,M. Pripstein,P. R. Robrish,M. T. Ronan,Ronald R. Ross,F. R. Rouse,G. Shapiro,Marjorie Shapiro,B. C. Shen,W. E. Slater,W. J. Spangler,M. L. Stevenson,D. H. Stork,H. K. Ticho,N. Toge,G. J. Van Dalen,R. van Tyen,H. Videau,Mitchell Wayne,William A. Wenzel,R. F. vanDaalen Wetters,M. Yamauchi,M. E. Zeller,W-M. Zhang +81 more
TL;DR: A.H. Aiharae, M.D. Alston-GarnjostG, D.A. BarbaroGaltieria, A.T. Day', P.J. Derby, R.R. Van Dalen', R.E. Pripstein, and W-M.
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