Recent Submissions

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    Two-Particle Interference of Electron Pairs on a Molecular Level 

    Waitz, M.; Metz, D.; Lower, J.; Schober, C.; Keiling, M.; Pitzer, M.; Mertens, K.; Martins, M.; Viefhaus, J.; Klumpp, S.; Weber, T.; Schmidt-Boecking, H.; Schmidt, L. Ph H.; Morales, F.; Miyabe, S.; Rescigno, T. N.; McCurdy, C. W.; Martin, F.; Williams, J. B.; Schoeffler, M. S.; Jahnke, T.; Doerner, R. (2016)
    We investigate the photodouble ionization of H-2 molecules with 400 eV photons. We find that the emitted electrons do not show any sign of two-center interference fringes in their angular emission distributions if considered ...
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    Zeptonewton force sensing with nanospheres in an optical lattice 

    Ranjit, Gambhir; Cunningham, Mark; Casey, Kirsten; Geraci, Andrew A. (2016)
    Optically trapped nanospheres in high vacuum experience little friction and hence are promising for ultrasensitive force detection. Here we demonstrate measurement times exceeding 10(5) s and zeptonewton force sensitivity ...
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    Quantum Network of Atom Clocks: A Possible Implementation with Neutral Atoms 

    Komar, P.; Topcu, T.; Kessler, E. M.; Derevianko, A.; Vuletic, V.; Ye, J.; Lukin, M. D. (2016)
    We propose a protocol for creating a fully entangled Greenberger-Horne-Zeilinger-type state of neutral atoms in spatially separated optical atomic clocks. In our scheme, local operations make use of the strong dipole-dipole ...
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    Longitudinal Spin Relaxation of Optically Pumped Rubidium Atoms in Solid Parahydrogen 

    Upadhyay, Sunil; Kanagin, Andrew N.; Hartzell, Chase; Christy, Tim; Arnott, W. Patrick; Momose, Takamasa; Patterson, David; Weinstein, Jonathan D. (2016)
    We have grown crystals of solid parahydrogen using a single closed-cycle cryostat. We have doped the crystals with rubidium atoms at densities on the order of 1017 cm-(3) and used optical pumping to polarize the spin state ...
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    Collocated comparisons of continuous and filter-based PM2.5 measurements at Fort McMurray, Alberta, Canada 

    Hsu, Yu-Mei; Wang, Xiaoliang; Chow, Judith C.; Watson, John G.; Percy, Kevin E. (2016)
    Collocated comparisons for three PM2.5 monitors were conducted from June 2011 to May 2013 at an air monitoring station in the residential area of Fort McMurray, Alberta, Canada, a city located in the Athabasca Oil Sands ...
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    Tracing intermolecular Coulombic decay of carbon-dioxide dimers and oxygen dimers after valence photoionization 

    Iskandar, W.; Gatton, A. S.; Gaire, B.; Sturm, F. P.; Larsen, K. A.; Champenois, E. G.; Shivaram, N.; Moradmand, A.; Williams, J. B.; Berry, B.; Severt, T.; Ben-Itzhak, I.; Metz, D.; Sann, H.; Weller, M.; Schoeffler, M.; Jahnke, T.; Doerner, R.; Slaughter, D.; Weber, Th (2019)
    We have conducted an experimental study on the photo double ionization (PDI) of carbon-dioxide dimers at photon energies of 37 and 55 eV and oxygen dimers at photon energies of 38, 41.5, and 46 eV, while focusing on the ...
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    Imaging the He-2 quantum halo state using a free electron laser 

    Zeller, Stefan; Kunitski, Maksim; Voigtsberger, Joerg; Kalinin, Anton; Schottelius, Alexander; Schober, Carl; Waitz, Markus; Sann, Hendrik; Hartung, Alexander; Bauer, Tobias; Pitzer, Martin; Trinter, Florian; Goihl, Christoph; Janke, Christian; Richter, Martin; Kastirke, Gregor; Weller, Miriam; Czasch, Achim; Kitzler, Markus; Braune, Markus; Grisenti, Robert E.; Schoellkopf, Wieland; Schmidt, Lothar Ph H.; Schoefflera, Markus S.; Williams, Joshua B.; Jahnke, Till; Doerner, Reinhard (2016)
    Quantum tunneling is a ubiquitous phenomenon in nature and crucial for many technological applications. It allows quantum particles to reach regions in space which are energetically not accessible according to classical ...
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    Shaped nozzles for cryogenic buffer-gas beam sources 

    Xiao, Di; Lancaster, David M.; Allen, Cameron H.; Taylor, Mckenzie J.; Lancaster, Thomas A.; Shaw, Gage; Hutzler, Nicholas R.; Weinstein, Jonathan D. (2019)
    Cryogenic buffer-gas beams are important sources of cold molecules. In this work we explore the use of a converging-diverging nozzle with a buffer-gas beam. We find that, under appropriate circumstances, the use of a nozzle ...
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    Dark matter scattering on electrons: Accurate calculations of atomic excitations and implications for the DAMA signal 

    Roberts, B. M.; Dzuba, V. A.; Flambaum, V. V.; Pospelov, M.; Stadnik, Y. V. (2016)
    We revisit the WIMP-type dark matter scattering on electrons that results in atomic ionization and can manifest itself in a variety of existing direct-detection experiments. Unlike the WIMP-nucleon scattering, where current ...
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    Supersonic plasma turbulence in the laboratory 

    White, T. G.; Oliver, M. T.; Mabey, P.; Kuehn-Kauffeldt, M.; Bott, A. F. A.; Dohl, L. N. K.; Bell, A. R.; Bingham, R.; Clarke, R.; Foster, J.; Giacinti, G.; Graham, P.; Heathcote, R.; Koenig, M.; Kuramitsu, Y.; Lamb, D. Q.; Meinecke, J.; Michel, Th; Miniati, F.; Notley, M.; Reville, B.; Ryu, D.; Sarkar, S.; Sakawa, Y.; Selwood, M. P.; Squire, J.; Scott, R. H. H.; Tzeferacos, P.; Woolsey, N.; Schekochihin, A. A.; Gregori, G. (2019)
    The properties of supersonic, compressible plasma turbulence determine the behavior of many terrestrial and astrophysical systems. In the interstellar medium and molecular clouds, compressible turbulence plays a vital role ...
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    Erratum: “Angular truncation errors in integrating nephelometry” [Rev. Sci. Instrum. 74, 3492 (2003)] 

    Moosmueller, Hans; Arnott, W. Patrick (2019)
    Correction of typographic errors
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    Investigation of wire-array Z-pinches by laser probing diagnostics 

    Ivanov, V. V.; Anderson, A. A.; Papp, D. (2019)
    Laser diagnostics provides powerful tools for the investigation of dense Z-pinches. In this paper, wire-array Z-pinches are investigated at the 1 MA Zebra generator using laser diagnostics at different wavelengths coupled ...
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    Photoionization and photofragmentation of singly charged positive and negative SC3N@C-80 endohedral fullerene ions 

    Mueller, A.; Martins, M.; Kilcoyne, A. L. D.; Phaneuf, R. A.; Hellhund, J.; Borovik, A.; Holste, K.; Bari, S.; Buhr, T.; Klumpp, S.; Perry-Sassmannshausen, A.; Reinwardt, S.; Ricz, S.; Schubert, K.; Schippers, S. (2019)
    Photoprocesses of the endohedral fullerene ions SC3N@C-80(+) and SC3N@ C-80(-) in the gas phase have been investigated in the photon energy ranges 30-50 eV and 280-420 eV. Single and double ionization as well as single ...
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    Ionization potentials of superheavy elements No, Lr, and Rf and their ions 

    Dzuba, V. A.; Safronova, M. S.; Safronova, U. I.; Kramida, A. (2016)
    We predict ionization potentials of superheavy elements No, Lr, and Rf and their ions using a relativistic hybrid method that combines configuration interaction (CI) with the linearized coupled-cluster approach. Extensive ...
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    Proton imaging of an electrostatic field structure formed in laser-produced counter-streaming plasmas 

    Morita, T.; Kugland, N. L.; Wan, W.; Crowston, R.; Drake, R. P.; Fiuza, F.; Gregori, G.; Huntington, C.; Ishikawa, T.; Koenig, M.; Kuranz, C.; Levy, M. C.; Martinez, D.; Meinecke, J.; Miniati, F.; Murphy, C. D.; Pelka, A.; Plechaty, C.; Presura, R.; Quiros, N.; Remington, B. A.; Reville, B.; Ross, J. S.; Ryutov, D. D.; Sakawa, Y.; Steele, L.; Takabe, H.; Yamaura, Y.; Woolsey, N.; Park, H.-S. (2016)
    We report the measurements of electrostatic field structures associated with an electrostatic shock formed in laser-produced counter-streaming plasmas with proton imaging. The thickness of the electrostatic structure is ...
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    Shell stability and conditions analyzed using a new method of extracting shell areal density maps from spectrally resolved images of direct-drive inertial confinement fusion implosions 

    Johns, H. M.; Mancini, R. C.; Nagayama, T.; Mayes, D. C.; Tommasini, R.; Smalyuk, V. A.; Regan, S. P.; Delettrez, J. A. (2016)
    In warm target direct-drive inertial confinement fusion implosion experiments performed at the OMEGA laser facility, plastic micro-balloons doped with a titanium tracer layer in the shell and filled with deuterium gas were ...
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    Development of 4.5 keV monochromatic X-ray radiography using the high-energy, picosecond LFEX laser 

    Sawada, H.; Fujioka, S.; Hosoda, T.; Zhang, Z.; Arikawa, Y.; Nagatomo, H.; Nishimura, H.; Sunahara, A.; Theobald, W.; Patel, P. K.; Beg, F. N. (2016)
    Development of a monochromatic x-ray imaging system using a high-energy short-pulse laser LFEX and a spherical crystal is reported. Irradiation of the intense short-pulse laser produces a flash of 4.51 keV Ti K-alpha x-ray ...
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    Progress toward a unified kJ-machine CANDY 

    Kitagawa, Yoneyoshi; Mori, Yoshitaka; Komeda, Osamu; Hanayama, Ryohei; Ishii, Katsuhiro; Okihara, Shinichiro; Fujita, Kazuhisa; Nakayama, Suisei; Sekine, Takashi; Sato, Nakahiro; Kurita, Takashi; Kawashima, Toshiyuki; Watari, Takeshi; Kan, Hirofumi; Nakamura, Naoki; Kondo, Takuya; Fujine, Manabu; Azuma, Hirozumi; Motohiro, Tomoyoshi; Hioki, Tatsumi; Kakeno, Mitsutaka; Nishimura, Yasuhiko; Sunahara, Atsushi; Sentoku, Yasuhiko; Miura, Eisuke; Arikawa, Yasunobu; Nagai, Takahiro; Abe, Yuki; Ozaki, Satoshi; Noda, Akira (2016)
    To construct a unified experimental machine CANDY using a kJ DPSSL driver in the fast -ignition scheme, the Laser for Fast Ignition Experiment (LFEX) at Osaka is used, showing that the laser-driven ions heat the preimploded ...
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    Target Monitoring and Plasma Diagnosis using 2 omega probe beam for CANDY 

    Ishii, Katsuhiro; Mori, Yoshitaka; Hanayama, Ryohei; Nakayama, Suisei; Okihara, Shinichiro; Fujita, Kazuhisa; Sekina, Takashi; Sato, Nakahiro; Kurita, Takashi; Kawashima, Toshiyuki; Kan, Hirofumi; Komeda, Osamu; Nakamura, Naoki; Kondo, Takuya; Fujine, Manabu; Azuma, Hirozumi; Hioki, Tatsumi; Kakeno, Mitsutaka; Motohiro, Tomoyoshi; Nishimura, Yasuhiko; Sunahara, Atsushi; Sentoku, Yasuhiko; Miura, Eisuke; Kitagawa, Yoneyoshi (2016)
    We have developed the shadowgraph and interferometer with second-harmonic of heating pulses laser to observe target and plasma in highly-repetitive fusion reaction experiments. In the deuterated polystyrene ((C8D8) n double ...
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    Direct heating of compressed core by ultra-intense laser 

    Sunahara, A.; Johzaki, T.; Sakagami, H.; Nagatomo, H.; Mima, K.; Abe, Y.; Arikawa, Y.; Fujioka, S.; Shiraga, H.; Azechi, H.; Mori, Y.; Sentoku, Y.; Kitagawa, Y. (2016)
    We propose a new scheme for heating an imploded core in the fast-ignition scheme. In this method, a heating laser irradiates an imploded core plasma directly. The accelerated fast-ions as well as fast-electrons heat the ...

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