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Artículos de revistas sobre el tema "Distorted wave Born approximation"

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Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 13 de febrero de 2022

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1

Beylkin, G. y M. L. Oristaglio. "Distorted-wave born and distorted-wave rytov approximations". Optics Communications 53, n.º 4 (marzo de 1985): 213–16. http://dx.doi.org/10.1016/0030-4018(85)90157-9.

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2

Wombell, R. J. y M. A. Fiddy. "Inverse scattering within the distorted-wave Born approximation". Inverse Problems 4, n.º 3 (1 de agosto de 1988): L23—L27. http://dx.doi.org/10.1088/0266-5611/4/3/003.

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3

Sears, V. F. "Generalized distorted-wave Born approximation for neutron reflection". Physical Review B 48, n.º 23 (15 de diciembre de 1993): 17477–85. http://dx.doi.org/10.1103/physrevb.48.17477.

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4

Zhang, X., Colm T. Whelan y H. R. J. Walters. "Distorted-wave Born approximation calculations of (e, 2e) reactions". Zeitschrift f�r Physik D Atoms, Molecules and Clusters 23, n.º 4 (diciembre de 1992): 301–8. http://dx.doi.org/10.1007/bf01429251.

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5

Лазур, В. Ю. y Л. М. Халус. "FIRST BORN APPROXIMATION WITH DISTORTED WAVES". Scientific Herald of Uzhhorod University.Series Physics 6 (31 de marzo de 2000): 145–54. http://dx.doi.org/10.24144/2415-8038.2000.6.145-154.

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6

Brajamani, S., N. Ranjit Singh, M. Babuyaima y P. S. Mazumdar. "Double differential cross sections in the electron impact ionization of helium". Canadian Journal of Physics 72, n.º 3-4 (1 de marzo de 1994): 126–29. http://dx.doi.org/10.1139/p94-020.

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The double differential cross sections for electron impact ionization of helium are evaluated in the framework of a distorted wave approximation that takes into account the effects of initial channel, final channel, and target distortion. The present results are in fair agreement with the measured values and rigorous DWBA (distorted-wave Born approximation) results of McCarthy and Zhang.
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7

Jones, S., D. H. Madison, A. Franz y P. L. Altick. "Three-body distorted-wave Born approximation for electron-atom ionization". Physical Review A 48, n.º 1 (1 de julio de 1993): R22—R25. http://dx.doi.org/10.1103/physreva.48.r22.

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8

Balázs, E. y G. Varga. "Distorted wave Born-approximation for atom-metal surface scattering (NDWBA)". Vacuum 37, n.º 1-2 (enero de 1987): 153–56. http://dx.doi.org/10.1016/0042-207x(87)90106-0.

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9

Khurana, Indira, Rajesh Srivastava y A. N. Tripathi. "Excitation of hydrogen and hydrogenlike ions by impact of hydrogen". Canadian Journal of Physics 64, n.º 7 (1 de julio de 1986): 826–32. http://dx.doi.org/10.1139/p86-143.

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A 1s–2s excitation of H atoms and H-like ions by impact of a hydrogen atom is reported for the second Born approximation as well as in the distorted-wave Born approximation. Differential and total cross sections are presented and compared with previous calculations and experimental measurements.
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10

McCarthy, IE. "The Electron - Atom Ionisation Problem". Australian Journal of Physics 49, n.º 2 (1996): 219. http://dx.doi.org/10.1071/ph960219.

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Methods of calculating electron–atom ionisation as a three-body problem with Coulomb boundary conditions are considered. In the absence of a fully-valid computational method for a time-independent experiment the approximation is made that the incident electron experiences a screened potential. Approximations involving a final state that obeys the three-body Coulomb boundary condition are compared with the distorted-wave Born approximation and the convergent close-coupling method.
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11

Denikin, A. S. "Breakup of light nuclei within the modified distorted wave Born approximation". Bulletin of the Russian Academy of Sciences: Physics 74, n.º 11 (noviembre de 2010): 1617–23. http://dx.doi.org/10.3103/s1062873810110262.

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12

Cowley, A. A. "Distorted-wave Born approximation study of the11Li(p,t)9Li reaction". Journal of Physics: Conference Series 724 (junio de 2016): 012009. http://dx.doi.org/10.1088/1742-6596/724/1/012009.

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13

Liu, Junbo, Dejun Liu y Yajun Zhou. "Molecular distorted-wave Born approximation for ionization of H2by electron impact". Physica Scripta 85, n.º 2 (12 de enero de 2012): 025302. http://dx.doi.org/10.1088/0031-8949/85/02/025302.

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14

McCarthy, IE y X. Zhang. "Distorted-wave Born Approximation for the Ionisation of Hydrogen by Electrons". Australian Journal of Physics 43, n.º 3 (1990): 291. http://dx.doi.org/10.1071/ph900291.

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Matrix elements for ionisation play an important part in electron-atom scattering calculations. Two methods for describing ionisation that can be incorporated into a scattering calculation are tested here against coplanar asymmetric experimental differential cross sections at 150 and 250 eV. They are the distorted-wave Born approximation and the coupled pseudostates method. A method that incorporates the exact boundary condition for three charged bodies describes the data significantly better and shows an important direction for improvement of scattering calculations.
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15

Girardeau, M. D. "Distorted-wave amplitudes, distorted-wave Born approximation, and self-energies in the Fock-Tani theory of rearrangement collisions". Physical Review A 33, n.º 2 (1 de febrero de 1986): 905–13. http://dx.doi.org/10.1103/physreva.33.905.

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16

Mytnichenko, Sergey V. "Distorted-wave Born approximation in the case of an optical scattering potential". Physica B: Condensed Matter 355, n.º 1-4 (enero de 2005): 244–49. http://dx.doi.org/10.1016/j.physb.2004.10.099.

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17

McCarthy, I. E. y X. Zhang. "Distorted-wave Born approximation for electron-helium double differential ionisation cross sections". Journal of Physics B: Atomic, Molecular and Optical Physics 22, n.º 13 (14 de julio de 1989): 2189–93. http://dx.doi.org/10.1088/0953-4075/22/13/023.

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18

Avaldi, L., G. Stefani, I. E. McCarthy y X. Zhang. "Distorted-wave Born approximation for asymmetric ionisation of argon by electron impact". Journal of Physics B: Atomic, Molecular and Optical Physics 22, n.º 19 (14 de octubre de 1989): 3079–82. http://dx.doi.org/10.1088/0953-4075/22/19/021.

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19

Barlett, M. L., G. W. Hoffmann y L. Ray. "Nonrelativistic distorted wave born approximation predictions for 500 MeV (, ') spin-rotation observables". Physics Letters B 158, n.º 4 (agosto de 1985): 289–92. http://dx.doi.org/10.1016/0370-2693(85)91185-2.

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20

Alston, Steven. "Generalized distorted-wave Born approximation for electron capture in ion-ion collisions". Physical Review A 43, n.º 11 (1 de junio de 1991): 5874–77. http://dx.doi.org/10.1103/physreva.43.5874.

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21

Smith, Joy N., Patrick H. Ressler y Joseph D. Warren. "A distorted wave Born approximation target strength model for Bering Sea euphausiids". ICES Journal of Marine Science 70, n.º 1 (19 de octubre de 2012): 204–14. http://dx.doi.org/10.1093/icesjms/fss140.

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Abstract Smith, J. N., Ressler, P. H., and Warren, J. D. 2013. A distorted wave Born approximation target strength model for Bering Sea euphausiids. – ICES Journal of Marine Science, 70:204–214. Acoustic surveys monitor euphausiid populations in the Bering Sea because of their importance as prey for walleye pollock and other organisms. Various scattering models exist to convert acoustic backscatter data to estimates of euphausiid numerical density or biomass, but a target strength (TS) model specific to Bering Sea euphausiids has not been available. This study parameterized a distorted wave Born approximation (DWBA) scattering model using physical (length and body shape) and material (density contrast, g, and sound speed contrast, h) properties measured from live euphausiids. All model parameters (length, shape, material properties, orientation) were evaluated for their effect on predicted TS. A polynomial function was used to describe animal shape and produced smaller TS estimates compared to a taper function, as is traditionally used in DWBA scattering models of euphausiids. Animal length was positively correlated with TS, but variations in other parameters (including material properties and orientation) also produced large changes in TS. Large differences in TS between estimates calculated using measured versus literature material property values caused large variations in acoustic estimates of euphausiid numerical densities (animals m−3) which emphasizes the importance of collecting site-specific g and h measurements when possible.
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22

Condori, R. Pampa, H. Dias y J. Lubian. "Using a double folding potential for the derivation of the spectroscopic factors of the (3He, d) transfer reaction". International Journal of Modern Physics E 25, n.º 09 (septiembre de 2016): 1650061. http://dx.doi.org/10.1142/s0218301316500610.

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In this paper, the [Formula: see text] reactions are revisited, with the goal of obtaining spectroscopic factors (SF) for the transition to the ground state of some residual nuclei, applying the distorted wave Born approximation (DWBA). The double-folding São Paulo Potential (SPP) was used to derive the distorted wave function in the entrance and exit channels. The derived SF are compared with the results of extensive shell model calculations showing a rather good agreement.
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23

Gao, Junfang, D. H. Madison y J. L. Peacher. "Distorted wave Born and three-body distorted wave Born approximation calculations of the fully differential cross section for electron-impact ionization of nitrogen molecules". Journal of Chemical Physics 123, n.º 20 (22 de noviembre de 2005): 204314. http://dx.doi.org/10.1063/1.2126971.

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24

Mancev, Ivan. "Four-body one-channel distorted-wave theories for single electron transfer". Facta universitatis - series: Physics, Chemistry and Technology 2, n.º 5 (2003): 301–9. http://dx.doi.org/10.2298/fupct0305301m.

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The two versions of the Born distorted wave (BDW) models are formulated within the framework of the four-body scattering theory. As an illustration the BDW approximation is applied to compute the differential cross sections for a single charge exchange in p + H e collision at 500 keV. The present calculated results are found to be in good agreement with experimental data.
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25

Madison, Don H. y Ola Al-Hagan. "The Distorted-Wave Born Approach for Calculating Electron-Impact Ionization of Molecules". Journal of Atomic, Molecular, and Optical Physics 2010 (29 de marzo de 2010): 1–24. http://dx.doi.org/10.1155/2010/367180.

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The distorted-wave Born approximation (DWBA) has been one of the most successful theoretical approaches for treating electron collisions with complicated atoms, and recently the DWBA has been successfully extended to treat electron-impact ionization of molecules. The purpose of this paper is to give an overview of that development and to provide a summary of the recent experimental and theoretical works examining low to intermediate energy electron-impact single ionization of molecules.
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26

Kemper, K. W., G. A. Hall, S. P. Van Verst y J. Cook. "Failure of finite-range distorted-wave Born approximation and coupled-channels Born approximation to describe(7Li,6Li) single particle transitions". Physical Review C 38, n.º 6 (1 de diciembre de 1988): 2664–69. http://dx.doi.org/10.1103/physrevc.38.2664.

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27

Cowley, A. A. "Simplistic distorted-wave Born approximation interpretation of the 11Li(p,t)9Li reaction". International Journal of Modern Physics E 28, n.º 07 (julio de 2019): 1950050. http://dx.doi.org/10.1142/s0218301319500502.

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The reaction [Formula: see text]Li([Formula: see text])9Li(gs) at an incident energy of 4.3[Formula: see text]MeV is interpreted in terms of a simplistic distorted-wave Born approximation, which assumes simultaneous transfer of the halo neutrons. The halo neutrons involved in the reaction is treated as either a di-neutron cluster or individual entities. Either of these approaches appears to be a good approximation of the reaction mechanism, as would be expected from earlier studies. The dominant contribution to the yield of the reaction comes from the known (2[Formula: see text])2 neutron structure component of the ground state of [Formula: see text]Li. Furthermore, the cross-section angular distribution seems to be relatively insensitive to the fact that [Formula: see text]Li has an anomalously large radius due to its Borromean halo properties. Significantly this simple treatment of the reaction is in much better agreement with the experimental angular distribution than previous sophisticated calculations. The relevance and limitations of a more advanced theoretical treatment which includes coupled channel and sequential transfer are discussed in the context of the present results.
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28

Sud, K. K. y D. K. Sharma. "Distorted wave Born approximation calculation of pair production cross section for 12.5MeV photon". Radiation Physics and Chemistry 75, n.º 6 (junio de 2006): 631–43. http://dx.doi.org/10.1016/j.radphyschem.2005.09.003.

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29

Zhou, Li-Xia y You-Guo Yan. "Electron impact ionization of neon and neonic ions under distorted-wave Born approximation". Chinese Physics B 23, n.º 5 (mayo de 2014): 053402. http://dx.doi.org/10.1088/1674-1056/23/5/053402.

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30

Ljungdahl, Gösta y Stephen W. Lovesey. "Surface scattering near grazing angles: the distorted wave Born approximation for rough surfaces". Physica Scripta 53, n.º 6 (1 de junio de 1996): 734–48. http://dx.doi.org/10.1088/0031-8949/53/6/017.

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31

Srivastava, D. K. y H. Rebel. "Alternative formulation of post-form distorted-wave Born approximation theory of nuclear breakup". Physical Review C 33, n.º 4 (1 de abril de 1986): 1221–23. http://dx.doi.org/10.1103/physrevc.33.1221.

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32

Gilbert, Kenneth E., Xiao Di y Rodney R. Korte. "Distorted‐wave Born approximation analysis of sound levels in a refractive shadow zone." Journal of the Acoustical Society of America 99, n.º 4 (abril de 1996): 2488–500. http://dx.doi.org/10.1121/1.415604.

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33

Traini, M., S. Turck-Chièze y A. Zghiche. "Deep inelastic electron scattering in the distorted-wave Born approximation: An analytic approach". Physical Review C 38, n.º 6 (1 de diciembre de 1988): 2799–812. http://dx.doi.org/10.1103/physrevc.38.2799.

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34

Lisantti, J., D. J. Horen, F. E. Bertrand, R. L. Auble, B. L. Burks, E. E. Gross, R. O. Sayer et al. "Collective model distorted-wave Born approximation analysis of 500-MeV proton scattering fromCa40". Physical Review C 39, n.º 2 (1 de febrero de 1989): 568–79. http://dx.doi.org/10.1103/physrevc.39.568.

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35

Shyam, R. y M. A. Nagarajan. "A distorted-wave Born-approximation theory of heavy-ion-induced projectile breakup reactions". Annals of Physics 163, n.º 2 (septiembre de 1985): 265–87. http://dx.doi.org/10.1016/0003-4916(85)90382-3.

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36

Keller, S. "Intermediate energy (e, 2e) processes on C60: A distorted wave Born approximation study". European Physical Journal D 13, n.º 1 (enero de 2001): 51–59. http://dx.doi.org/10.1007/s100530170286.

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37

Selim, Taha, Arthur Christianen, Ad van der Avoird y Gerrit C. Groenenboom. "Multi-channel distorted-wave Born approximation for rovibrational transition rates in molecular collisions". Journal of Chemical Physics 155, n.º 3 (21 de julio de 2021): 034105. http://dx.doi.org/10.1063/5.0058576.

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38

McCarthy, IE. "Distorted-wave Born and Impulse Approximations for Electron-Atom Ionisation". Australian Journal of Physics 48, n.º 1 (1995): 1. http://dx.doi.org/10.1071/ph950001.

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The distorted-wave Born and impulse approximations set the standard for the calculation of the ionisation of atoms by electrons. The approximations are derived from formal scattering theory. Their computational forms are given and a program for their numerical calculation is described. Input and output data are given for a trial run.
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39

Lu, C., J. Lin, W. Chew y G. Otto. "Image Reconstruction with Acoustic Measurement Using Distorted Born Iteration Method". Ultrasonic Imaging 18, n.º 2 (abril de 1996): 140–56. http://dx.doi.org/10.1177/016173469601800204.

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The distorted Born iterative method (DBIM) is applied to solve electromagnetics and ultrasonics inverse scattering problems. First, we use the DBIM to process the data, which are the scattered fields from two-dimensional cylinders with arbitrary cross section. From this simulation, we confirmed that the first-order Born approximation can be applied to larger objects as long as the phase change of a wave passing through the object due to its presence is smaller than a limit. Then we applied DBIM to process the ultrasonic measurement data. Images for a balloon and an egg that are immersed in water have been reconstructed and compared with those from the first-order diffraction tomography (DT).
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40

Tóth, I., R. I. Campeanu, V. Chiş y L. Nagy. "Distorted-wave Born approximation for the ionization of molecules by positron and electron impact". Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 267, n.º 2 (enero de 2009): 362–65. http://dx.doi.org/10.1016/j.nimb.2008.10.063.

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41

Ghanbari-Adivi, E. "Coulomb–Born distorted wave approximation applied to the proton–helium single-electron capture process". Journal of Physics B: Atomic, Molecular and Optical Physics 44, n.º 16 (29 de julio de 2011): 165204. http://dx.doi.org/10.1088/0953-4075/44/16/165204.

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42

Ravenhall, D. G., R. L. Schult, J. Wambach, C. N. Papanicolas y S. E. Williamson. "Coincident electron scattering in distorted wave born approximation I. The (e, e′γ) process". Annals of Physics 178, n.º 2 (septiembre de 1987): 187–226. http://dx.doi.org/10.1016/0003-4916(87)90014-5.

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43

Baddou, D., C. Rioux, R. J. Slobodrian y J. M. Nelson. "Analysing powers and differential cross sections of (3He,p) reactions on 6Li and 7Li at low energy". Canadian Journal of Physics 73, n.º 1-2 (1 de enero de 1995): 74–84. http://dx.doi.org/10.1139/p95-012.

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Angular distributions of the differential cross sections and analysing powers were measured at an energy of 4.6 MeV. The results are compared with the distorted wave Born approximation predictions for two-nucleon transfer and for a deuteron-cluster transfer. The agreement is qualitative at best, and a discussion of alternatives to improve it is presented.
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44

Wombell, R. J. y R. D. Murch. "The Reconstruction of Dielectric Objects from Scattered Field Data Using the Distorted-Wave Born Approximation". Journal of Electromagnetic Waves and Applications 7, n.º 5 (enero de 1993): 687–702. http://dx.doi.org/10.1163/156939393x00813.

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45

Sud, K. K. y C. W. Soto Vargas. "Distorted-wave Born approximation calculations of the pair-production cross section for 6.0-MeV photons". Physical Review A 49, n.º 6 (1 de junio de 1994): 4624–27. http://dx.doi.org/10.1103/physreva.49.4624.

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46

Khurana, Indira, R. Srivastava y A. N. Tripathi. "Proton-impact excitation of helium to then=2 sublevels in the distorted-wave Born approximation". Physical Review A 33, n.º 5 (1 de mayo de 1986): 3074–77. http://dx.doi.org/10.1103/physreva.33.3074.

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47

Ghanbari-Adivi, E. y H. Ghavaminia. "Electron capture by alpha particles from helium atoms in a Coulomb–Born distorted-wave approximation". Journal of Physics B: Atomic, Molecular and Optical Physics 45, n.º 23 (15 de noviembre de 2012): 235202. http://dx.doi.org/10.1088/0953-4075/45/23/235202.

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48

Wang, Z. L. "Statistical multiple diffuse scattering from rough surfaces in RHEED — beyond the distorted-wave Born approximation". Surface Science 366, n.º 2 (octubre de 1996): 377–93. http://dx.doi.org/10.1016/0039-6028(96)00800-x.

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49

A Konovalov, Dmitry y Ian E McCarthy. "Calculation of Electron Impact Ionisation of Atomic Hydrogen with the Exact Final-state Boundary Conditions". Australian Journal of Physics 47, n.º 2 (1994): 123. http://dx.doi.org/10.1071/ph940123.

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We present a new and very powerful theoretical method-a distorted-wave Born approximation (DWBA) with an arbitrary final-state electron-electron correlation function. This method combines the flexibility of including any theoretically desired electron-electron correlation and the physical clarity of the DWBA method. Calculations explore the use of an auxiliary final-state wave function with the exact boundary condition, in attempting to describe the absolute cross sections for ionisation of helium in coplanar symmetric kinematics and to resolve discrepancies between theory and experiment.
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50

FRANCHINI, A., G. SANTORO, V. BORTOLANI, A. BELLMAN, D. CVETKO, L. FLOREANO, A. MORGANTE, M. PELOI, F. TOMMASINI y T. ZAMBELLI. "ROLE OF THE HE ATOM SURFACE POTENTIAL ON THE CU(001) PHONON DETERMINATION". Surface Review and Letters 01, n.º 01 (junio de 1994): 67–74. http://dx.doi.org/10.1142/s0218625x94000096.

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We present new measurements of He atom inelastic scattering from the (001) surface of Copper. Our results confirmed the recent data obtained in Gottingen and show that at large momentum transfer in the [Formula: see text] direction the intensity of the longitudinal resonance is larger than that of the Rayleigh wave. We interpret these results by evaluating the reflection coefficient in the Distorted Wave Born Approximation. By taking the He surface interaction potential as a sum of nonspherical pairwise potential we are able to explain quantitatively the behavior of the experimental spectra.
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