Nuclear Instruments & Methods in Physics Research, Section B: Beam Interactions With Materials and Atoms 1997: Vol 123 Table of Contents

8 Pages·1997·1.9 MB·English

Nuclear Instruments and Methods in Physics Research B 123 (1997) xiii—xix
NIM B
Beam interactions
with Materi&a Altosms
Contents
Ne ob COOP SS Se Ss SOSH Ses Fee SES 6 on eo CROC TOT AVE eae Vii
DEE cece earicvooeseesehc seweesp ceece etr ecee eeeeert s ix
EG So 6 66 60 6 46 866 h 66 OKC OOO SOHO EES OROCECROCECEDESE OEERS OE OSS Xx
Section I. In Memory of Linas Kilius
Linas Rimgaudas Kilius (1949-1996)
Fi, GEE Seether ebenecece c CMW eWES HMM Ck c Hebe ede bon ots l
Ion source design criteria for AMS
L.R. Kilius, W.E. Kieser, A.E. Litherland, X.-L. Zhao, J.C. Rucklidge and R.P. Beukens ........ 5
Molecular fragment problems in heavy element AMS
LR. Kilius, X.-L. Zhao, A.B. Lithesiand and UB. Purser... wc ccc ccc cece cree sec ecens 10
Neutral injection for AMS
ee OP LC RERE REE RELEE ELS CETL TLE ee i8
Section II. Reports from new AMS Facilities
The Leibniz-Labor AMS facility at the Christian-Albrechts University, Kiel, Germany
M.-J. Nadeau, M. Schleicher, P.M. Grootes, H. Erlenkeuser, A. Gottdang, D.J.W. Mous, J.M.
ea Ses £6 5 65.85 FE ee COO 6 EEO AS 6 PCTSSS WES SS 22
The AMS facility at the National Institute for Environmental Studies (NIES), Japan
H. Kume, Y. Shibata, A. Tanaka, M. Yoneda, Y. Kumamoto, T. Uehiro and M. Morita ......... 31
Brazilian accelerator mass spectrometry program
G.M. Santos, J.C. Acquadro, R.M. Anjos, P.R.S. Gomes, C. Tenreiro, R. Liguori Neto, M.M.
Coimbra, C.R. Appoloni, A.M.M. Maciel, N.H. Medina, M.A. Rizzuto and N. Carlin Filho. ...... 34
The AMS program at the TANDAR accelerator
D.E. Alvarez, J.O.F. Niello, M. di Tada, A.M.J. Ferrero, G.V. Marti, O.A. Capurro, A.J. Pacheco,
J.E. Testoni, D. Abriola, A. Etchegoyen, E. Achterberg and M. Ramirez .............2.206- 39
Accelerator mass spectrometry at the Kyoto University tandem accelerator
M. Nakamura, Y. Tazawa, H. Matsumoto, M. Hirose, K. Ogino, M. Kohno and J. Funaba........ 43
VERA: A new AMS facility in Vienna
W. Kutschera, P. Collon, H. Friedmann, R. Golser, P. Hille, A. Priller, W. Rom, P. Steier, S.
‘Wena, A. Wee, TE, Creme GG, WHR bi Ue he eee ere eC eee 47
Section III. Reports from existing AMS Facilities
Status of the NSF-Arizona AMS laboratory
D.J. Donahue, J.W. Beck, D. Biddulph, G.S. Burr, C. Courtney, P.E. Damon, A.L. Hatheway, L.
Hewitt, A.J.T. Jull, T. Lange, N. Lifton, R. Maddock, L.R. McHargue, J.M. O’Malley and L.J.
ES TTT ETL CEE OORT LUT TTT OTC ULLCTTTT TCT eT Te 51
The LLNL AMS facility
M.L. Roberts, G.S. Bench, T.A. Brown, M.W. Caffee, R.C. Finkel, S.P.H.T. Freeman, L.J.
Hainsworth, M. Kashgarian, J.E. McAninch, I.D. Proctor, J.R. Southon and J.S. Vogel.......... 57
Status report of the PSI/ETH AMS facility
H.-A. Synal, G. Bonani, M. Débeli, R.M. Ender, P. Gartenmann, P.W. Kubik, Ch. Schnabel and M.
PSUs oN SCUSU SUSU UTE CGES DEREC CEH EEOC ESSEC UR OTERO COCO TORSO ESOC 62
0168-/5978 /3$17X.0 0 © 1997 Elsevier Science B.V. All rights reserved
xiv Contents
Status and plans for the PRIME Lab AMS facility
D. Elmore, X. Ma, T. Miller, K. Mueller, M. Perry, F. Rickey, P. Sharma, P. Simms, M. Lipschutz
| S, PPPEPTECCETTEL CTE EETC ESCE E PERRT EEEECOEET 69
Research and measurement program at the ANTARES AMS facility
C. Tuniz, D. Fink, M.A.C. Hotchkis, G.E. Jacobsen, E.M. Lawson, A.M. Smith and Q. Hua ...... 73
Development plans for the AMS facility at the Institute of Geological and Nuclear Sciences, New
Zealand
PT TTT CORRE ETTCTTTT TTC TECU TET 79
Improvements to the PKUAMS injection system
Lu Xiangyang, Li Kun, Zhao Qiang, Li Bin, Liu Kexin, Guo Zhiyu, Wang Jianjun and Yuan Jinglin . 84
The Groningen AMS tandetron
eK TTT eee ee TT Te Tee TTC TERT ET TL TT TL 87
The Erlangen AMS facility: status report and research program
W. Kretschmer, G. Anton, M. Bergmann, E. Finckh, B. Kowalzik, M. Klein, M. Leigart, S. Merz, G.
DEorgemsoth and 1. PIUNQRT. ww ccc ccc ccc cece eee ce re eeseeseceseseseseees 93
Precision and mass fractionation in '“C analysis with AMS
K. van der Borg, C. Alderliesten, A.F.M. de Jong, A. van den Brink, A.P. de Haas, HJ.H. Kerse-
PST OCR TTETTLT TTEU ETOETEEC 97
Status of the SINR mini-cyclotron AMS facility
M. Chen, X. Lu, G. Chen, S. Xu, L. Shen, D. Li, Y. Zhang, P. Gong, Y. Zhang and W. Zhou ..... 102
Current status of the AMS system at the University of Tokyo
K. Kobayashi, S. Hatori, H. Nagai, K. Yoshida, M. Imamura, H. Matsuzaki, M. Murayama, M.
Sakamoto, Y. Aramaki, M. Tanikawa, S. Shibata, H. Ohashi, U. Zoppi, C. Nakano, Y. Sunohara and
pA —«_s PPUVTEETE TILL Ter TT Tree Te 107
Section IV. New instrumentation, methods and applications
Microbeam AMS: prospects of new geological applications
Fe PRPS ECCT TO CTT CCC CTT TTT CCC EL 112
Measurement of *'Kr in the atmosphere
P. Collon, T. Antaya, B. Davids, M. Fauerbach, R. Harkewicz, M. Hellstrom, W. Kutschera, D.
Morrissey, R. Pardo, M. Paul, B. Sherrill and M. Steiner... 2... 2... ee ee ee ee ee eee eee 122
AMS at the Munich gas-filled analyzing magnet system GAMS
io Be Ch . . . ccc ccoeeee ee ee sekes en ewreees ees 128
Fe measurements with an EN tandem accelerator
P. Gartenmann, C. Schnabel, M. Suter and H.-A. Synal. . 2... ee eee ee ee ee es 132
Measurement of ©N i and ~Ni by accelerator mass spectrometry using characteristic projectile X-rays
J.E. McAninch, L.J. Hainsworth, A.A. Marchetti, M.R. Leivers, P.R. Jones, A.E. Dunlop, R. Mauthe,
5S. Vogel, LD. Proctor and T. Straume .. wc ccc ccc ccc cree creer eceeeeeeeee 137
The Chalk River AMS time-of-flight detection system
V.T. Koslowsky, H.R. Andrews, W.G. Davies and K. Murnaghan .........---2+++++eee8- 144
AMS of '*C at low energies
8 ES rr er rs re er ee ar 148
Design of a compact | MV AMS system for biomedical research
B.J. Hughey, R.E. Klinkowstein, R.E. Shefer, P.L. Skipper, S.R. Tannenbaum and J.S. Wishnok.... 153
A compact 4c Isotope Ratio Mass Spectrometer for biomedical applications
D.J.W. Mous, K.H. Purser, W. Fokker, R. van den Broek and R.B. Koopmans ........-+++-- 159
The novel HVEE multi-element AMS system
Fis CI GE TAB, BOs 3 occa ceed cee scrcecenceseeowscenesevenees 163
AMS detection of chlorine-36 using small tandems
EEE > eb 06 65 664606666606 6554056686 6 00:6 685 b OOO RN SO RKE EES OO POS 167
New detector concepts for AMS
R. Golser, H. Friedmann, A. Priller, P. Steier, W. Kutschera, O. Benka and E. Steinbauer........ 170
Contents XV
Development of a gas AE-position sensitive E detector for AMS studies
N. Funaya, T. Baba, N. Miyazaki, T. Takahashi, T. Kaikura, R. Seki, K. Furuno, S. Jiang and Y.
Nagashima
2282.94 @ ee 6 O82 2.68 2:3 6:28 2 2. 2 Fs Ce 6 a2 6 6 8 ¢- 6 6.6.8 C66 eee 8 6 6. 62D Ce &€ O24 @ 2 @
Reducing the magnet switching time for AMS at PRIME Lab
M. Perry, D. Elmore, F. Rickey, B. Bhukhanwala and E. Chong
Se €.e 8 6&8 8 Oe 8626. 2 te 6 6 8 2 8 8 D9
Detection of *'Ca with a ’Li>”Cl molecular pilot beam
T. Baba, N. Funaya, N. Miyazaki, T. Takahashi, T. Kaikura, R. Seki, S. Sueno, S. Jiang and Y.
Nagashima 183
SeCeCcwes2.aeeesdeoe &©@eee@e 2eseetcewti eo ee 2 6 6.8 06 62 8618.68 464 ¢ eS 2 6.8 & 6-6 6 8.8 2:8 8 eS ee eS
Experimental investigation of the destruction of 1 MeV "CH, molecules in single and double stripping
foils
B.J. Hughey, R.E. Shefer, R.E. Klinkowstein, X.L. Zhao, W.E. Kieser and A.E. Litherland 186
Section V. Performance reports and project summaries from different facilities
First performance tests of VERA
A. Priller, R. Golser, P. Hille, W. Kutschera, W. Rom, P. Steier, A. Wallner and E. Wild 193
The PRIME Lab external research program
P. Sharma, D. Elmore and S. Vogt 199
, -@-2 2 @€e2 Oe. 8. 2. 6.8.6.6. 8-2. 6 ee 6 2. ae 8: 6.6.2 OP £2 Oe ee 8 Oe ee OE
The new Chalk River AMS ion source, sample changer and external sample magazine
V.T. Koslowsky, N. Bray, Y. Imahori, H.R. Andrews and W.G. Davies
yee eeoceece ese esces#s ts 6s 6
Section VI. AMS sample and target preparation chemistry
Corrections for contamination background in AMS '4C measurements
ees ES IS non 66 6566 Od OSS 6% 60s 646 668 06 046 08 SOHO 0 OS Re
Radiocarbon dating organic residues at the microgram level
D.L. Kimer, R. Burky, R.E. Taylor and J.R. Southon
2 ee 2a et 2. 62:82 €@ 6 8.0 @. 62 6:8 &¢.6& 2 os. 6 8-2 8 8 6 @ 2
Enrichment of sub-milligram size carbon samples
Pe, GE Z, WE GE FUE ves 6 hc meee eK SOs ee OK SHOR CSE DOSS OE SOS ES
AMS sample handling in Groningen
A.Th. Aests-Bijma, H.AJ. Meijer and J. van der Plictt. . . ccc ccccccccccccscccccccces
The reduction of sample memory effects in the Chalk River AMS ion source
V.T. Koslowsky, H.R. Andrews, W.G. Davies, Y. Imahori and M. Bolusmjak...............
Ultra-separation of nickel from copper metal for the measurement of Ni by AMS
A.A. Marchetti, LJ. Hainsworth, J.E. McAninch, M.R. Leivers, P.R. Jones, I.D. Proctor and T.
EE 6b. 6 0 8:0 6846 8 8868 88 Oe OR OOS 6 606 O46 05S SSO ORDER OS OHO HO
The chemical behavior of Be, Al, Fe, Ca and Mg during AMS target preparation from terrestrial silicates
modeled with chemical speciation calculations
NS 5 6 6-6. 6.000 6 0 6 6S 60040006605 006 8 600 bs ee bee Seb eeese 235
Section VII. Biomedical applications of AMS
Elements in biological AMS
Ba. VEE, G. Rees GE GA ee. PUREED coro ce eecererceroseoeseoceceeseees 241
A programme for long-term retention studies of '*C-labelled compounds in man using the Lund AMS
facility
K. Stenstrém, S. Leide-Svegborn, B. Erlandsson, R. Hellborg, G. Skog, S. Mattsson, L.-E. Nilsson
ft PPT TT TTT EPRICE ee Te TE eee 245
36C] and '7°1 in teeth and bones
R.J. Comett, L. Chant, H.R. Andrews, W.G. Davies, B.F. Greiner, Y. Imahori, V.T. Koslowsky, T.
otues, SALT. REG GRO GRE. BERNER cc ccc ccc ccc cer sees sececceeesececceces 249
The influence of dissolved silicate on the physiological chemistry of aluminium, studied in humans using
tracer *°Al and accelerator mass spectrometry
S.J. King, J.P. Day, C. Oldham, J.F. Popplewell, P. Ackrill, P.B. Moore, G.A. Taylor, J.A.
Edwardson, L.K. Fifield, K. Liu and R.G. Cresswell ....022 .e e.ee e.e ee.e ee.e ee e
XVi Contents
Investigations of the human aluminium biokinetics with ?°Al and AMS
G. Kislinger, C. Steinhausen, M. Alvarez-Brickmann, C. Winklhofer, T.-H. Ittel and E. Nolte ..... 259
Human calcium metabolism including bone resorption measured with *"Ca tracer
S.P.H.T. Freeman, J.C. King, N.E. Vieira, L.R. Woodhouse and A.L. Yergey ..............- 266
High resolution AMS imaging of radiocarbon in biomedical applications
Z.X. Jiang, C. Bronk Ramsey, R.E.M. Hedges, P. Somogyi, J.D.B. Roberts and A. Cowey ....... 271
AMS measurements to study uptake and distribution of ?°Al in mice and the role of the transferrin
receptor in aluminium absorption mechanisms
J. Barker, J. Templar, S.J. King, J.P. Day, M.W.B. Bradbury, A. Radunovic, F. Ueda, K. Raja, J.S.
RA GRE FoF sN s 5 6 6 66 Hee COS OdEEESeeKEKo OE RO Led OSH EOE OCHO EHS HOR 275
°Al uptake and accumulation in the rat brain
S. Yumoto, H. Nagai, M. Imamura, H. Matsuzaki, K. Hayashi, A. Masuda, H. Kumazawa, H. Ohashi
GE a, HE 8 6c 6656 6 6 ASO EE HHS OTS 66646 0006-6 0 OO OEHEO DE 14 WO*
Measurements of aluminum transport in wheat at the cellular level
R.R. Johnson, A.D.M. Glass, H. Kronzucker, Z. Gelbart, E. Venczel, M. Paul, D. Berkovits, A.
Ce, Bs ME GD Gs ES 0 00's 0 6'0 6666 066 OO FECES OH 6096 Hee 8 eHR EA 283
Section VIII. Cosmogenic nuclides in dust, ice and sediments
Identification of bomb-produced chlorine-36 in mid-latitude glacial ice of North America
Se | PTET TS LE ETE CTT TCT TUTTE TET eT
Measurements of the “co, bomb pulse in firn and ice at Law Dome, Antarctica
V.A. Levchenko, D.M. Etheridge, R.J. Francey, C. Trudinger, C. Tuniz, E.M. Lawson, A.M. Smith,
G.E. Jacobsen, Q. Hua, M.A.C. Hotchkis, D. Fink, V. Morgan and J. Head. ................
'°Be and dust
S. Baumgartner, J. Beer, G. Wagner, P. Kubik, M. Suter, G.M. Raisbeck and F. Yiou ..........
A long-term variation of Be flux changes at ODP Site 925 on the Ceara Rise in the equatorial Atlantic
M. Murayama, H. Nagai, M. Imamura, S. Hatori, K. Kobayashi and A. Taira ...............
Be investigations of sediments, soils and loess at GNS
I.J. Graham, R.G. Ditchburn, R.J. Sparks and N.E. Whitehead ............0.2002 2e2 ee e
New interpretation of the '°Be and “Al content in cosmic spherules
U. Zoppi, H. Matsuzaki, K. Kobayashi, M. Imamura, H. Nagai, S. Hatori, C. Nakano and Y.
6 6 0:8 6 ooo. 6068 68600 bE Ce OES sc6 00004 ONE EN 6 OF oes 65 8 88
Section IX. Isotopes, production rates and cross sections
Measurement of proton production cross sections of '°Be and *°Al from elements found in lunar rocks
J.M. Sisterson, K. Kim, A. Beverding, P.A.J. Englert, M. Caffee, AJ.T. Jull, D.J. Donahue, L.
MccHargue, C. Castaneda, J. Vincent and R.C. Reedy... cc cccccccvcccscccccvccces
Measurements of proton-induced production cross sections for °C] from Ca and K
M. Imamura, K. Nishiizumi, M.W. Caffee and S. Shibata ......2..02. e. ce.ce .ec.cce es
Cosmogenic chlorine-36 production in K-feldspar
J.M. Evans, J.O.H. Stone, L.K. Fifield and R.G. Cresswell... ....0.2 eee. eee. ee. cec ces
In-situ production of radionuclides at great depths
B. Heisinger, M. Niedermayer, F.J. Hartmann, G. Korschinek, E. Nolte, G. Morteani, S. Neumaier,
SP, Oy SS Ss IG, PES cece ccc ee eneccensee seseveensue s
Section X. '”°I and “CI applications of AMS
The '??I AMS program at PRIME Lab
Po EL, A EO, Be OG WEN s co ccceeeceesseresseceseeweeeccecsees
Determination of total iodine and sample preparation for AMS measurement of '297 in environmental
matrices
Pi, EF, ks Ss Se Be ED “Soe we ewe ese cbedbconeseeeeicvewss
Contents XVii
Oil formation and fluid convection in Railroad Valley, NV: a study using cosmogenic isotopes to
determine the onset of hydrocarbon migration
Fas A, She Se WEIN e666. 06 4-0.0.65 666606 65 84 68S O10 CASA OS OO OO 356
The distribution of '7°I around West Valley, an inactive nuclear fuel reprocessing facility in Western
New York
i 6 4560s6e0 sd5 O66 00e e6 0 We 60 66e 64606 6SST 8dS b ea
129 I interlaboratory comparison
es SE ee ee UE 6 od 0: o'6. 6-0 6 OO Re RS os OOOO See eee eee
Cl 36 — A potential paleodating tool
G.M. Milton, SJ. Kramer, T.G. Kotzer, J.C.D. Milton, H.R. Andrews, L.A. Chant, R.J. Cornett,
W.G. Davies, B.F. Greiner, Y. Imahori, V.T. Koslowsky and J.W. McKay..............206-
Is *°Cl from weapons’ test fallout still cycling in the atmosphere?
R.J. Cormett, H.R. Andrews, L.A. Chant, W.G. Davies, B.F. Greiner, Y. Imahori, V.T. Koslowsky, T.
Se, Sees TE, DE io 6 dG 6 OO 4 N 05-66 Oe Oh OER swe ose we Ores
A new interpretation of the distribution of bomb-produced chlorine-36 in the environment, with special
reference to the Laurentian Great Lakes
J.C.D. Milton, G.M. Milton, H.R. Andrews, L.A. Chant, R.J.J. Cornett, W.G. Davies, B.F. Greiner,
Y. Imahori, V.T. Koslowsky, T. Kotzer, S.J. Kramer and J.W. McKay ............222e005
Use of chlorine-36 as tracer for the evolution of waters in geothermal and tectonically active areas in
Western Turkey
ie eT EE. 6 8.66 04.5.0536- 6S 6 oa 0 HOS 460060 CHES OOOO OS HESS
Section XI. Some applications of AMS to different isotopes
Environmental ”’Sr measurements
M. Paul, D. Berkovits, L.D. Cecil, H. Feldstein, A. Hershkowitz, Y. Kashiv and S. Vogt ........
Accelerator mass spectrometry of the planetary elements
L.K. Fifield, A.P. Clacher, K. Morris, S.J. King, R.G. Cresswell, J.P. Day and F.R. Livens.......
Determination of the half-life of ’’Se with the accelerator mass spectrometry technique
Jiang Songsheng, Guo Jingru, Jiang Shan, Li Chunsheng, Cui Anzhi, He Ming, Wu Shaoyong and Li
PFE eeee ree TT eee eee TEL ee CTT TCR CERT LOTR TTT EE
Tritium depth profiling in carbon by accelerator mass spectrometry
M. Friedrich, G. Sun, R. Grétzschel, R. Behrisch, C. Garcia-Rosales and M.L. Roberts ......... 410
Evidence for anomalous "ag and Ag compositions in iron meteorites
G.-J. Ding, L.R. Kilius, G.C. Wilson, X.-L. Zhao and J.C. Rucklidge ...........0000eeee 414
In-situ AMS determination of Re—Os isochron in IIA iron meteorites
G.-J. Ding, L.R. Kilius, G.C. Wilson, X.-L. Zhao and J.C. Rucklidge ..........05000eees 424
Section XII. Environmental and paleoclimatic studies using AMS “Cc
The first trans-Arctic '*C section: comparison of the mean ages of the deep waters in the Eurasian and
Canadian basins of the Arctic Ocean
P. Schlosser, B. Kromer, B. Ekwurzel, G. Bénisch, A. McNichol, R. Schneider, K. von Reden, H.G.
EN ERE TrPe ene 431
AMS measurements of the '“C distribution in the Pacific Ocean
K.F. von Reden, A.P. McNichol, J.C. Peden, K.L. Elder, A.R. Gagnon and R.J. Schneider ....... 438
Radiocarbon in marine dissolved organic carbon (DOC)
M. Le Clercq, J. Van der Plicht, H.AJ. Meijer and H.J.W. De Baar..........2..20 ee2 e2e e
'4C AMS measurements of the bomb pulse in N- and S-hemisphere tropical trees
Field variability of carbon isotopes in soil organic carbon
S.W. Leavitt, E.A. Paul, E. Pendall, PJ. Pinter Jr. and B.A. Kimball... ..........02500006-
XViii Contents
'4C dating of sediment samples
W. Kretschmer, G. Anton, M. Bergmann, E. Finckh, B. Kowalzik, M. Klein, M. Leigart, S. Merz, G.
Morgenroth, I. Piringer, H. Kiister, R.D. Low and T. Nakamura .........02.2s. e2ee2ee s 455
The 5000-year environmental change and associated human activities at Sokho-nor Lake, Inner Mongo-
lia, P.R. China
Le Xieneyans, Yuan Baocyim, Guo Ziiye and LI RGR... cc ccc ccc ccc cece ccccccccsece
AMS "“C chronological study of holocene activities in active faults in Japan
T. Nakamura, M. Okamura, K. Shimazaki, T. Nakata, N. Chida, Y. Suzuki, M. Okuno and A. Ikeda
AMS radiocarbon dating of the Sakurajima tephra group, Southern Kyushu, Japan
M. Okuno, T. Nakamura, H. Moriwaki and T. Kobayashi ..........ce.ce0 e.ee0ce2ee s
Radiocarbon ‘‘dating’’ of individual chemical compounds in atmospheric aerosol: First results compar-
ing direct isotopic and multivariate statistical apportionment of specific polycyclic aromatic hydrocar-
bons
Ria, GE, Ds , Ge, EE Oe, A UD occ ects e see eee wee ereses 475
Section XIII. Applications of AMS to archaeology
AMS “Cc dating of lime mortar
J. Heinemeier, H. Jungner, A. Lindroos, A. Ringbom, T. von Konow and N. Rud............. 487
Radiocarbon AMS dating of the ancient sites with earliest pottery from the Russian Far East
Y.V. Kuzmin, A.J.T. Jull, Z.S. Lapshina and V.E. Medvedev... cc ccccccccccccccccccs 496
Textural and in situ analytical constraints on the provenance of smelted and native archaeological copper
in the Great Lakes region of Eastern North America
Gi. Witeon, L.A. Paviteh, G.-5. Dime and RG. Pergter . ww ccc ec ccc cece cceccsces 498
A probiematic source of organic contamination of linen
H.E. Gove, S.J. Mattingly, A.R. David and L.A. Garza-Valdes ..........0.2 2ee2 ee.ee2e s 504
Section XIV. Negative ions and negative ion sources
New approaches to negative ions: resonant ionization spectroscopy and storage rings
AST Ter Te eTe e eT eee a Te CTE CTU TCE LOL re 508
Weakly-bound negative ions studied by laser excitation and AMS
ee, Gy GU, GO, RN OE OE, FN 6 cc we ecco ce ceeeereceseeccccenees 515
A negative ion survey; towards the completion of the periodic table of the negative ions
M.-J. Nadeau, M.A. Garwan, X.-L. Zhao and A.E. Litherland. .............0ee0 eee2e 521
A theoretical study of some negative ions of interest to accelerator mass spectrometry
ee Or Ge, Ns sn o'e 6c 0 6 65:60 6 6666 6 OOS S60 Oe CORO HO? 527
Carbon anions and dianion clusters
a ele li i oh i a ls ek ee el es ee a eee ee ae we Gre 532
Hybrid ion sources: Radiocarbon measurements from microgram to milligram
Se ED I , CRs 5 kn bce bee se bess ows 0 6 8 66 0b oes £0 oes we OO 539
Hold-up and memory effect for carbon in a compact microwave ion source
R.J. Schneider, K.F. von Reden, J.S.C. Wills, W.T. Diamond, R. Lewis, G. Savard and H. Schmeing 546
A compact multi-sample high-intensity negative ion source
W.Z. Gelbart, R.R. Johnson, M. Paul, D. Berkovits, A. Hershkowitz, F. Cifarelli, R.B. Schubank and
550
A preliminary report on the characteristics of a CO, gas ion source MGF-SNICS at NIES-TERRA
Y. Shibata, H. Kume, A. Tanaka, M. Yoneda, Y. Kumamoto, T. Uehiro and M. Morita ......... 554
The AUSTRALIS microbeam ion source
a 6 eee Oh ee eee ee esene eee wees ees 558
Section XV. Trace element AMS (TEAMS)
A new accelerator mass spectrometer for trace element analysis at the Naval Research Laboratory
K.S. Grabowski, D.L. Knies, G.K. Hubler and H.A. Enge ......022. ee. eee. e.ee .enc es
Contents xix
TEAMS depth profiles in semiconductors
S.A. Datar, S.N. Renfrow, B.N. Guo, J.M. Anthony, Z.Y. Zhao and F.D. McDaniel ........... 571
Accelerator SIMS at PSI/ETH Zurich
Paces GD, Ee, EE, ee OU I OER, Cs nc i skc e ee sehen eeeer eer eeaceeces 575
Trace-element analysis of mineral grains using accelerator mass spectrometry — from sampling to
interpretation
G.C. Wilson, L.R. Kilius, J.C. Rucklidge, G.-J. Ding and X.-L. Zhao ............2.22206- 579
Precious metal abundances in selected iron meteorites: in-situ AMS measurements of the six platinum-
group elements plus gold
G.C. Wilson, J.C. Rucklidge, L.R. Kilius, G.-J. Ding and R.G. Cresswell... ..........20006- 583
1-200 amu tunable Pretzel magnet notch-mass-filter and injector for trace element accelerator mass
spectrometry
D.L. Knies, K.S. Grabowski, G.K. Hubler and H.A. Enge
Section XVI. Summary of the Conference
Conference summary: Trends in AMS
PTT CTT TEC TOEECIR EEE TLL TEL CLCTLeTe 594