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Nora Berrah

Tulane University

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Publication

Featured researches published by Nora Berrah.

Journal of Physics B | 1995

The ratio of cross sections for double to single ionization of helium by high energy photons and charged particles

James H. McGuire; Nora Berrah; R.J. Bartlett; James A. R. Samson; John A. Tanis; C. L. Cocke; A. S. Schlachter

Data and analysis for the ratio of double to single ionization in helium is reviewed for impact by photons and charged particles. In the case of photoionization there are two processes, namely, (i) photoionization where the photon is annihilated, and (ii) Compton scattering where the photon is inelastically scattered. In the case of charged particle scattering the ratio of total cross sections tends toward an asymptotic high energy value of 0.26% which is well below the value observed for photons of 1.7% at photon energies between 2 and 12 keV. Theoretical relations between various ratios have been predicted and to some extent confirmed by observations.

conference on lasers and electro optics | 2014

Mapping the fragmentation of acetylene with femtosecond resolution pump probe at LCLS using 2, 3, and 4 particle coincidences

Chelsea E. Liekhus-Schmalt; Ian Tenney; T. Osipov; P. H. Bucksbaum; Vladimir Petrovic; A. Belkacem; Nora Berrah; Rebecca Boll; Cédric Bomme; Christoph Bostedt; John D. Bozek; Sebastian Carron; Ryan Coffee; Julien Devin; Benjamin Erk; L. Fang; Robert W. Field; Ken R. Ferguson; L. Foucar; L. J. Frasinski; J. M. Glownia; Markus Guehr; Andrei Kamalov; J. Krzywinski; Heng Li; J. P. Marangos; Todd J. Martínez; Brian K. McFarland; Shungo Miyabe; B. Murphy

Archive | 2010

Inner-shell photodetachment of C60^-

Rene C. Bilodeau; Nora Berrah; S. Schippers; Andreas E. Muller; D.A. Esteves; R. A. Phaneuf; N. D. Gibson; Christopher W. Walter; A. Aguilar

Journal of Physics: Conference Series | 2009

PREFACE: XXVIth International Conference on Photonic, Electronic and Atomic Collisions

Ann Orel; Anthony F. Starace; Dragan Nikolic; Nora Berrah; T. W. Gorczyca; Emanuel Y Kamber; John A. Tanis

Journal of Physics: Conference Series | 2009

XXXVIth International Conference on Photonic, Electronic and Atomic Collisions

Ann Orel; Anthony F. Starace; Dragan Nikolic; Nora Berrah; T. W. Gorczyca; Emanuel Y Kamber; John A. Tanis

Archive | 2004

Photodetachment of S^- and He^-: Inner-shell Threshold Studies and High Charge State Formation

Rene C. Bilodeau; Nora Berrah; N. D. Gibson; Christopher W. Walter; John D. Bozek; G.D. Ackerman

Archive | 2004

Dynamically forbiden and geometrically quasiforbiden transitions in photoionization: the excited Na showcase

Denis Cubaynes; Jean Marc Bizau; M. Meyer; A N Grum-Grzhimailo; Eugene T. Kennedy; John D. Bozek; Bruce S. Rude; M. Martins; Nora Berrah

Archive | 2004

High-resolution spectroscopy and absolute cross section measurements in double photodetachment from Li-

N. D. Gibson; Christopher W. Walter; Rene C. Bilodeau; Nora Berrah; John D. Bozek; G.D. Ackerman

Archive | 2003

Very-High Resolution J-Resolved Photoelectron Spectroscoy of Laser-Excited Sodium Atoms

Denis Cubaynes; Jean Marc Bizau; M. Meyer; Sophie E. Canton; John D. Bozek; Bruce S. Rude; Eugene P. Kennedy; Nora Berrah

Archive | 2003

Imaging Wave Packets by Resonant Auger Spectroscopy

John D. Bozek; Sophie E. Canton; Nora Berrah; Denis Cubayne; E. Kukk

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Collaboration

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John D. Bozek

Lawrence Berkeley National Laboratory

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Burkhard Langer

Free University of Berlin

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Denis Cubaynes

University of Paris

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E. Kukk

University of Oulu

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Gyorgy P. Snell

Western Michigan University

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Segolene Diehl

University of Paris-Sud

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Antony A. Wills

Western Michigan University

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Jean-Marc Bizau

University of Paris-Sud

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Eugene T. Kennedy

Dublin City University

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Alfred S. Schlachter

Lawrence Berkeley National Laboratory

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