Zobrazeno 1 - 10
of 14
pro vyhledávání: '"R. T. Brackmann"'
Publikováno v:
International Journal of Mass Spectrometry and Ion Physics. 13:237-250
The elecltron impact ionization of CO 2 as a function of temperature of the CO 2 up to 1500 K has been studied using modulated beam mass spectrometry. It is found that in this temperature range the cross section for forming the primary ion CO 2 + is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7946df1274496b6ee596cb44b01fc40
https://doi.org/10.1016/0020-7381(74)80028-8
https://doi.org/10.1016/0020-7381(74)80028-8
Publikováno v:
Physical Review. 119:663-668
The cross sections for charge transfer and for ionization in collisions between protons and hydrogen atoms were determined over the energy range from 400 to 40,000 ev. The experiment used modulated crossed-beani techniques. Experiniental results are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86a774eeee381c8008a2526ad35e6b99
https://doi.org/10.1103/physrev.119.663
https://doi.org/10.1103/physrev.119.663
Autor:
Wade L. Fite, R. T. Brackmann
Publikováno v:
The Journal of Chemical Physics. 34:1572-1579
With the use of reflected modulated atomic‐beam techniques, the reflection of hydrogen atoms and molecules at cold surfaces has been examined. It was found that at low temperatures (∼4°K) hydrogen atoms reflect as atoms with a very high probabil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e0fd488f0bd7ae791bac26afb6b4473
https://doi.org/10.1063/1.1701046
https://doi.org/10.1063/1.1701046
Publikováno v:
Review of Scientific Instruments. 29:125-128
A device for the sensitive detection of ultraviolet radiation in the range 1080–1260 A is described. This device is a Geiger‐Muller counter in which the counts are initiated by the photoionization of iodine vapor used in the tube's filling. The r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17d4a734e5d3266d6c6723e0856dd7cc
https://doi.org/10.1063/1.1716117
https://doi.org/10.1063/1.1716117
Autor:
R. T. Brackmann, Wade L. Fite
Publikováno v:
Physical Review. 112:1141-1151
The cross section for ionization of the hydrogen atom on electron impact has been measured as a function of electron energy. A modulated beam of atoms and molecules in varying proportions, taken from a furnace, is crossed by a dc electron beam, and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85a4095a5079d5dd1bb25835b62bc2dd
https://doi.org/10.1103/physrev.112.1141
https://doi.org/10.1103/physrev.112.1141
Autor:
A. R. Comeaux, R. T. Brackmann, G. D. Magnuson, R. F. Stebbings, W. R. Ott, P. Mahadevan, C. E. Carlston, J. K. Layton, Wade L. Fite
Publikováno v:
Physical Review. 161:73-84
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e1019f2ff448d6d940209a0efc0843b
https://doi.org/10.1103/physrev.161.73
https://doi.org/10.1103/physrev.161.73
Publikováno v:
Physical Review. 116:363-367
A sensitive test for any mixing of the $2{S}_{\frac{1}{2}}$ and $2{P}_{\frac{1}{2}}$ state of atomic hydrogen is the measurement of the rate for single-quantum decay of the $2S$ atom to the ground state. A new upper limit of this decay rate has been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bda7d874c4c08cc820390e3affd6b44
https://doi.org/10.1103/physrev.116.363
https://doi.org/10.1103/physrev.116.363
Autor:
R. T. Brackmann, Wade L. Fite
Publikováno v:
Physical Review. 112:1151-1156
The cross section for excitation of Lyman-alpha radiation in electron- hydrogen atom collisions was measured as a function of electron energy. The measurement is made by observing Lyman-alpha photons with an iodine-vapor-filled photon counter. A rela
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7526b9ba89b579c469ca80ec4616df40
https://doi.org/10.1103/physrev.112.1151
https://doi.org/10.1103/physrev.112.1151
Publikováno v:
Physical Review. 112:1157-1161
The cross section for elastic scattering of electrons of less than 10-ev energy by free hydrogen atoms was measured. The experimental approach was similar to that used by Bederson, Malamud, and Hammer in that a d-c electron beam crossed an atomic hyd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::add108d1c4e1e6cad537dd53421d53a6
https://doi.org/10.1103/physrev.112.1157
https://doi.org/10.1103/physrev.112.1157
Publikováno v:
Physical Review. 116:356-357
By use of improved experimental techniques, the cross section for excitation of Lyman-alpha radiation in collisions between electrons and hydrogen atoms has been remeasured. It has been determined that in the threshold region, the results reported pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d32c170f4ed8667dbfc8d562fe3e90f2
https://doi.org/10.1103/physrev.116.356
https://doi.org/10.1103/physrev.116.356