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On the basis of the separated form-factor model, a code for fitting the small-angle neutron scattering spectra of the polydispersed vesicle population has been developed. Vesicle and membrane bilayer parameters are analyzed for various…

Chemical Physics · Physics 2007-05-23 E. V. Zemlyanaya , M. A. Kiselev , V. K. Aswal

A neutron detector based on EJ301 liquid scintillator has been employed at EAST to measure the neutron energy spectrum for D-D fusion plasma. The detector was carefully characterized in different quasi-monoenergetic neutron fields generated…

Instrumentation and Detectors · Physics 2013-04-30 Xi Yuan , Xing Zhang , Xufei Xie , G. Gorini , Zhongjing Chen , Xingyu Peng , Jinxiang Chen , Guohui Zhang , Tieshuan Fan , Guoqiang Zhong , Liqun Hu , Baonian Wan

We report on the first measurement of the F2 structure function of the neutron from semi-inclusive scattering of electrons from deuterium, with low-momentum protons detected in the backward hemisphere. Restricting the momentum of the…

Nuclear Experiment · Physics 2012-05-15 N. Baillie , S. Tkachenko , J. Zhang , P. Bosted , S. Bultmann , M. E. Christy , H. Fenker , K. A. Griffioen , C. E. Keppel , S. E. Kuhn , W. Melnitchouk , V. Tvaskis , K. P. Adhikari , D. Adikaram , M. Aghasyan , M. J. Amaryan , M. Anghinolfini , J. Arrington , H. Avakian , H. Baghdasaryan , M. Battaglieri , A. S. Biselli , 5 D. Branford , W. J. Briscoe , W. K. Brooks , V. D. Burkert , D. S. Carman , A. Celentano , S. Chandavar , G. Charles , P. L. Cole , M. Contalbrigo , V. Crede , A. D'Angelo , A. Daniel , N. Dashyan , R. De Vita , E. De Sanctis , A. Deur , B. Dey , C. Djalali , G. Dodge , J. Domingo , D. Doughty , R. Dupre , D. Dutta , R. Ent , H. Egiyan , A. El Alaoui , L. El Fassi , L. Elouadrhiri , P. Eugenio , G. Fedotov , S. Fegan , A. Fradi , M. Y. Gabrielyan , N. Gevorgyan , G. P. Gilfoyle , K. L. Giovanetti , F. X. Girod , W. Gohn , E. Golovatch , R. W. Gothe , L. Graham , B. Guegan , M. Guidal , N. Guler , L. Guo , K. Hafidi , D. Heddle , K. Hicks , M. Holtrop , E. Hungerford , C. E. Hyde , Y. Ilieva , D. G. Ireland , M. Ispiryan , E. L. Isupov , S. S. Jawalkar , H. S. Jo , N. Kalantarians , M. Khandaker , P. Khetarpal , A. Kim , W. Kim , P. M. King , A. Klein , F. J. Klein , A. Klimenko , V. Kubarovsky , S. V. Kuleshov , N. D. Kvaltine , K. Livingston , H. Y. Lu , I . J . D. MacGregor , Y. Mao , N. Markov , B. McKinnon , T. Mineeva , B. Morrison , H. Moutarde , E. Munevar , P. Nadel-Turonski , A. Ni , S. Niccolai , I. Niculescu , G. Niculescu , M. Osipenko , A. I. Ostrovidov , L. Pappalardo , K. Park , S. Park , E. Pasyuk , S. Anefalos Pereira , S. Pisano , S. Pozdniakov , J. W. Price , S. Procureur , Y. Prok , D. Protopopescu , B. A. Raue , G. Ricco , D. Rimal , M. Ripani , G. Rosner , P. Rossi , F. Sabatie , M. S. Saini , C. Salgado , D. Schott , R. A. Schumacher , E. Seder , Y. G. Sharabian , D. I. Sober , D. Sokhan , S. Stepanyan , S. S. Stepanyan , P. Stoler , S. Strauch , M. Taiuti , W. Tang , M. Ungaro , M. F. Vineyard , E. Voutier , D. P. Watts , L. B. Weinstein , D. P. Weygand , M. H. Wood , L. Zana , B. Zhao

The magnetic structure of the intermetallic compound EuGa$_4$ was investigated using single-crystal neutron diffraction with the time-of-flight (TOF) Laue technique on the new diffractometer SENJU at MLF of J-PARC. In spite of high neutron…

With the knowledge of diffractive parton densities extracted from HERA data, we discuss the observation of exclusive events using the dijet mass fraction as measured by the CDF collaboration at the Tevatron. In particular the impact of the…

High Energy Physics - Phenomenology · Physics 2007-07-21 L. Schoeffel

Macroscopic systems of hydrogen molecules exhibit a rich thermodynamic phase behavior. Due to the simplicity of the molecular constituents a detailed exploration of the thermal properties of these boson systems at low temperatures is of…

Other Condensed Matter · Physics 2009-11-11 Thomas Lindenau , Manfred L. Ristig , Klaus A. Gernoth , Javier Dawidowski , Francisco J. Bermejo

Using helium-3 atom scattering, we have studied the adsorption kinetics, the structure and the diffusional dynamics of atomic hydrogen on the surface of a graphene monolayer on Ni(111). Diffraction measurements reveal a 4$^\circ$ rotated…

Mesoscale and Nanoscale Physics · Physics 2022-12-15 Emanuel Bahn , Anton Tamtögl , John Ellis , William Allison , Peter Fouquet

The magnetic structure of BaFe2As2 was completely determined from polycrystalline neutron diffraction measurements soon after the ThCr2Si2-type FeAs-based superconductors were discovered. Both the moment direction and the in-plane…

Superconductivity · Physics 2009-05-08 M. Kofu , Y. Qiu , Wei Bao , S. -H. Lee , S. Chang , T. Wu , G. Wu , X. H. Chen

Specular neutron reflectometry (SNR) was measured on a system of a floating bilayer consisting of 1,2-dipalmitoyl-d62-\textit{sn}-glycero-3-phosphocholine (d62-diC16:0PC) deposited over a 1,2-dibehenoyl-\textit{sn}-glycero-3-phosphocholine…

Soft Condensed Matter · Physics 2014-12-17 Michal Belička , Yuri Gerelli , Norbert Kučerka , Giovanna Fragneto

Controlling and measuring the concentration of para-D2 is an essential step toward realizing solid deuterium as an intense ultra-cold neutron (UCN) source. To this end, we implemented an experimental technique to convert para- to…

Nuclear Experiment · Physics 2010-04-27 C. -Y. Liu , S. K. Lamoreaux , A. Saunders , D. Smith , A. R. Young

We present a study of the dynamics and structural changes for trans-1,2-dichloroethylene between high and low density liquids using neutron scattering techniques (diffraction, small angle neutron scattering and time of flight spectroscopy)…

We have measured the mass diffusion coefficient D of 3He in superfluid 4He at temperatures lower than were previously possible. The experimental technique utilizes scintillation light produced when neutron react with 3He nuclei, and allows…

A Poincar\'e-covariant quark+diquark Faddeev equation is used to compute nucleon elastic form factors on $0\leq Q^2\leq 18 \,m_N^2$ ($m_N$ is the nucleon mass) and elucidate their role as probes of emergent hadronic mass in the Standard…

We provide experimental evidence for confinement of water molecules in the pores of hexagonal structure of YPO4 at elevated temperatures upto 600 K using powder neutron diffraction. In order to avoid the large incoherent scattering from the…

The vortex matter in bulk type-II superconductors serves as a prototype system for studying the random pinning problem in condensed matter physics. Since the vortex lattice is embedded in an atomic lattice, small angle neutron scattering…

Materials Science · Physics 2011-03-29 Xi Wang , Helen A. Hanson , Xinsheng Sean Ling , Charles F. Majkrzak , Brian B. Maranville

Recently, there has been considerable theoretical interest in determining strange quark contributions to hadronic matrix elements. Such matrix elements can be accessed through the nucleon's neutral weak form factors as determined in parity…

We study light scattering by a hedgehog-like and linear disclination topological defects in a nematic liquid crystal by a metric approach. Light propagating near such defects feels an effective metric equivalent to the spatial part of the…

Soft Condensed Matter · Physics 2013-01-23 E. Pereira , F. Moraes

Hydrogen single-particle dynamics in solid LiH at T=20 K has been studied through the incoherent inelastic neutron scattering technique. A careful analysis of the scattering data has allowed for the determination of a reliable…

Materials Science · Physics 2009-11-10 J. Boronat , C. Cazorla , D. Colognesi , M. Zoppi

We report on a study of the longitudinal to transverse cross section ratio, $R=\sigma_L/\sigma_T$, at low values of $x$ and $Q^{2}$, as determined from inclusive inelastic electron-hydrogen and electron-deuterium scattering data from…

Nuclear Experiment · Physics 2008-11-26 V. Tvaskis

We report new measurements of the neutron charge form factor at low momentum transfer using quasielastic electrodisintegration of the deuteron. Longitudinally polarized electrons at an energy of 850 MeV were scattered from an isotopically…