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My Scientific Career

My Scientific Career. Art Poskanzer. Harvard '53. Instructor: Richard M. Diamond. 1972. LASL 1953. Purified one gram of 241 Am Most of the world's supply Several curies 60 keV radiation Beautiful colors. 1953. Columbia '54. Jack Miller. Lucille. 1954. Died 1976 at age 54.

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My Scientific Career

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  1. My Scientific Career Art Poskanzer

  2. Harvard '53 Instructor: Richard M. Diamond 1972

  3. LASL 1953 Purified one gram of 241Am Most of the world's supply Several curies 60 keV radiation Beautiful colors 1953

  4. Columbia '54 Jack Miller Lucille 1954 Died 1976 at age 54

  5. MIT '57 • Nuclear Chem. Gordon Conf. '53 • Postdoc of Linus Pauling • 3 vol. book: Manhattan Project work on fission products • Students discovered promethium • Renaissance Man • Other students: • John Alexander 1/2 yr. before • Mort Kaplan 2 1/2 yr. after 1970 Glenn Seaborg and Charles Coryell Died in 1971 at age 59 Thesis in Phys. Chem.: "The Solvent Extraction of Inorganic Complexes"

  6. First Paper 1960 A Summary of TTA Extraction Coefficients Heino Nitsche: still uses it TTA = thenoyltrifluoroacetone

  7. Brookhaven 1957-66 238U • Spallation of Al and U • Cross sections • Differential studies • Exotic Nuclei • Beta-delayed proton emitters • Beta-delayed neutron emitters Z 1969 Gerhart Friedlander first mentor N

  8. 8He 10,000 decays Half-life to 1% 1965

  9. Berkeley 1966- 1970 Lucille Harold Art Deborah Jef 1973 Earl Hyde second mentor Died 1997 at age 77

  10. Bevatron z • Exotic Nuclei • ∆E - E • ∆E - E - TOF • Time zero detector N • Proton - nucleus reactions • Light fragment yields

  11. 11Li Goran Nyman 11Li 98 1966

  12. LAMPF 1968 - 74 Thin Target Area B A

  13. Nuclear Chemistry Gordon Conference • First attended in 1954 • Poskanzer Rule • Chair in 1970 • Included physicists 1957

  14. Orsay 1970-71 • CERN Proton Synchrotron • On-line mass spectrometer • Direct mass measurements • New region of deformation 1973 Robert Klapisch

  15. NAS Panel 1976 Friedlander Panel on the Future of Nuclear Science 1976 Dirk Walecka Art George Bertsch Bob Stockstad Gery Garvey Harry Gove Herman Feshbach Gerhart Louis Rosen John Schiffer

  16. American Chemical Society • Div. Nucl. Chem. & Tech. • Chair 1977 • Nucl. Chem. Award 1980 1980

  17. Scientific American Exotic Light Nuclei with Joe Cerny 1978 Jef Poskanzer

  18. Proved not to exist: 16B 13Be 12Li 10Li 5H Discovered: 227Fr 228Fr 145Cs 146Cs 98Sr 99Rb 41Ti 37Ca 51K 50K Nuclides First observed decay: 145Cs ß 146Cs ß 98Sr ß 99Rb ß 41Ti p 37Ca p 33Ar p 32Na ß 13O p 8He n 49K 48K 33Ar 39P 34Al 32Mg 31Mg 33Na 32Na 27Ne 13O 17C 17B 15B 14B 14Be 12Be 11Li First mass measurement: 32Na 31Na 30Na 29Na 28Na 27Na 11Li

  19. Bevalac 1975 - 93 • Users' Association 1973 • Seminars 1975 • Scientific Proposal 1975 • Summer Study 1978 • Scientific Director 1978 - 79 • GSI-LBL Collaboration • July 1974 • Central Collisions • Fireball model • Coalescence

  20. Plastic Ball 1980 - 90 • Collective Flow • Squeeze-out Others: Per Kristansson Michael Maier Hubertus Riedesel Rainer Schicker Rudi Schmidt Helmuth Spieler Friedeman Weik 1983 Herbert Loehner Hans-Ake Gustafsson Bernhard Ludewigt Hans Gutbrod me Tim Renner Tony Warwick Karl-Heinz Kampert Hans-Georg Ritter Mohan Doss Howard Wieman Burhard Kolb

  21. CERN ISOLDE 1979 - 80 WA80 1986 - 87 NA49 1995 - 96

  22. WA80 1980 - 90 • CERN HI Program • PS190 in 1980 • RFQ • Mid-rapidity • calorimeters 1987

  23. (NA35) NA49 1991 - 1996 Peter Seyboth and Reinhart Stock • Electronics funded 1992 • Deputy Spokesman 1992 - 98 • Directed and Elliptic Flow

  24. RNC Group 1990 - 95 • Formed 5 Feb 90 1990 James Symons John Harris

  25. STAR I STAR • Planning starts 1989 • LOI 1990 • First coll. meet. 1991 • Deputy Spokesman 1991-92 • Approved 1991 • Funded 1993 • First paper 2001 • Elliptic Flow Art Poskanzer Raimond Snellings Sergei Voloshin 2000

  26. QM’95 Logo: Harold Poskanzer Lucille Poskanzer Companion's program

  27. Discovery • The feeling of discovery • Great fun • Changed fields often • Summarized results

  28. Restaurant Guide 1980 - • Contents: Lucille • Cover: Harold • Production: Art 1985

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