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Featured researches published by B. Lai.


X-RAY OPTICS AND MICROANALYSIS: Proceedings of the 20th International Congress | 2010

Non-destructive search for interstellar dust using synchrotron microprobes

Andrew J. Westphal; A. Allbrink; Carlton C. Allen; S. Bajt; R. Bastien; Hans A. Bechtel; Pierre Bleuet; Janet Borg; S. Bowker; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Anna L. Butterworth; A. Campanile; Peter Cloetens; George D. Cody; Tristan Ferroir; K. Ferrari; Christine Floss; G. J. Flynn; D. Frank; Zack Gainsforth; E. Grün; M. Harmer; Peter Hoppe; Anton T. Kearsley; S. Kulkarni; B. Lai

Here we describe the critical role that synchrotron X-ray and infrared microprobes are playing in the search for interstellar dust in the Stardust Interstellar Dust Collector (SIDC). The samples under examination are submicron particles trapped in low-density aerogel. We have found that the spatial resolution, energy range, and flux capabilities of the FTIR beamlines 1.4.3, ALS, and U2B, NSLS; the XRF microprobes ID13 and ID22NI, ESRF and 2-ID-D, APS; and the STXM beamline 11.0.2, ALS are ideally suited for studying these tiny returned samples. Using nondestructive, coordinated analyses at these microprobes, we have been able to eliminate most candidates as likely samples of interstellar dust. This in itself is a major accomplishment, since the analysis of these tiny samples is technically extremely challenging.


Meteoritics & Planetary Science | 2014

Stardust Interstellar Preliminary Examination IX: High-speed interstellar dust analog capture in Stardust flight-spare aerogel

Frank Postberg; J. K. Hillier; Steven P. Armes; Sebastian Bugiel; Anna L. Butterworth; Damien Dupin; Lee A. Fielding; Syuji Fujii; Zack Gainsforth; E. Gruen; Yanwei Li; Ralf Srama; Veerle J. Sterken; J. Stodolna; Mario Trieloff; Andrew J. Westphal; C. Achilles; Carlton C. Allen; Asim Ansari; Sasa Bajt; Nabil Bassim; R. Bastien; Hans A. Bechtel; Janet Borg; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Hitesh Changela


Archive | 2012

Identification of Crystalline Material in Two Interstellar Dust Candidates from the Stardust Mission

Zack Gainsforth; A. Simionovici; Frank E. Brenker; Sylvia Schmitz; Manfred Burghammer; Peter Cloetens; L. Lemelle; J. A. Sans Tresseras; Tom Schoonjans; Geert Silversmit; Vicente A. Solé; Bart Vekemans; Laszlo Vincze; C. Achilles; Carlton C. Allen; Asna Ansari; Sasa Bajt; Nabil Bassim; Ron S. Bastien; Hans A. Bechtel; Janet Borg; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Anna L. Butterworth; Hitesh Changela; Andrew M. Davis; Christine Floss; G. J. Flynn; P. Fougeray


Archive | 2011

High fluence synchroton radiation microprobe effects on Stardust interstellar dust candidates

A. Simionovici; Carlton C. Allen; Sasa Bajt; R. Bastien; Hans A. Bechtel; Janet Borg; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Anna L. Butterworth; Peter Cloetens; Andrew M. Davis; Christine Floss; G. J. Flynn; D. Frank; Zack Gainsforth; E. Grün; Philipp R. Heck; J. K. Hillier; Peter Hoppe; Lauren E. Howard; Gary R. Huss; Joachim Huth; Anton T. Kearsley; A. J. King; B. Lai; J. Leitner; L. Lemelle


Archive | 2011

Stardust Interstellar Foils I1061N,1 and I1031N, 1: First Results from Automated Crater Searches and Future Analytical Possibilities

Christine Floss; Carlton C. Allen; Sasa Bajt; Hans A. Bechtel; Janet Borg; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Anna L. Butterworth; Peter Cloetens; Andrew M. Davis; Ryan Doll; G. J. Flynn; D. Frank; Zack Gainsforth; E. Grün; Philipp R. Heck; J. K. Hillier; Peter Hoppe; Lauren E. Howard; Gary R. Huss; Joachim Huth; Anton T. Kearsley; A. J. King; B. Lai; J. Leitner; L. Lemelle; Ariel Leonard


Archive | 2011

Identification of impact craters in foils from the Stardust interstellar dust collector

Rhonda M. Stroud; Carlton C. Allen; Sasa Bajt; Hans A. Bechtel; Janet Borg; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Anna L. Butterworth; Peter Cloetens; Andrew M. Davis; Christine Floss; G. J. Flynn; D. Frank; Zack Gainsforth; E. Grün; Philipp R. Heck; J. K. Hillier; Peter Hoppe; Lauren E. Howard; Gary R. Huss; Joachim Huth; Anton T. Kearsley; A. J. King; B. Lai; J. Leitner; L. Lemelle; Hugues Leroux


Archive | 2012

Constraining the origin of impact craters on Al foils from the Stardust interstellar dust collector

Rhonda M. Stroud; C. Achilles; Carlton C. Allen; Asna Ansari; Sasa Bajt; Nabil Bassim; R. Bastien; Hans A. Bechtel; Janet Borg; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Anna L. Butterworth; Hitesh Changela; Peter Cloetens; Andrew M. Davis; Christine Floss; G. J. Flynn; P. Fougeray; D. Frank; Zack Gainsforth; E. Grün; Philipp R. Heck; J. K. Hillier; Peter Hoppe; Bruce Hudson; Gary R. Huss; Joachim Huth


Archive | 2012

Status of the Stardust ISPE and the Origin of Four Interstellar Dust Candidates

Andrew J. Westphal; C. Achilles; Carlton C. Allen; Asna Ansari; Sasa Bajt; Nabil Bassim; R. Bastien; Hans A. Bechtel; Janet Borg; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Anna L. Butterworth; Hitesh Changela; Peter Cloetens; Andrew M. Davis; Christine Floss; G. J. Flynn; P. Fougeray; D. Frank; Zack Gainsforth; E. Gruen; Philipp R. Heck; J. K. Hillier; Peter Hoppe; Bruce Hudson; Gary R. Huss; Joachim Huth


Archive | 2011

FTIR analysis of aerogel keystones from the Stardust interstellar dust collector: Assessment of terrestrial organic contamination and X-ray microprobe beam damage

Hans A. Bechtel; Carlton C. Allen; Sasa Bajt; Janet Borg; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Anna L. Butterworth; Peter Cloetens; Andrew M. Davis; Christine Floss; G. J. Flynn; D. Frank; Zack Gainsforth; E. Grün; Philipp R. Heck; J. K. Hillier; Peter Hoppe; Lauren E. Howard; Gary R. Huss; Joachim Huth; Anton T. Kearsley; A. J. King; B. Lai; J. Leitner; L. Lemelle; Hugues Leroux; Larry R. Nittler


Archive | 2011

Elemental Analysis of Impact Residues in Craters on the Stardust Interstellar Foils

Robert M. Stroud; Carlton C. Allen; Asim Ansari; Sasa Bajt; Nabil Bassim; Hans A. Bechtel; Jan van der Borg; Frank E. Brenker; John C. Bridges; D. E. Brownlee; Mark J. Burchell; Manfred Burghammer; Anna L. Butterworth; Peter Cloetens; Amy M. Davis; Ryan Doll; Christine Floss; G. J. Flynn; David J. Frank; Zack Gainsforth; E. Grün; Philipp R. Heck; Jon K. Hillier; Peter Hoppe; Luke Howard; Gary R. Huss; John Huth; Brit Hvide; Anton T. Kearsley; A. J. King

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Manfred Burghammer

European Synchrotron Radiation Facility

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Frank E. Brenker

Goethe University Frankfurt

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Christine Floss

Washington University in St. Louis

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D. E. Brownlee

University of Washington

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Hans A. Bechtel

Lawrence Berkeley National Laboratory

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