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Titolo:
FORMATION OF AN INTENSE PULSED-BEAM OF CH3CL IN THE [111] STATE USINGA 2-M ELECTROSTATIC HEXAPOLE FIELD
Autore:
KASAI T; FUKAWA T; MATSUNAMI T; CHE DC; OHASHI K; FUKUNISHI Y; OHOYAMA H; KUWATA K;
Indirizzi:
OSAKA UNIV,FAC SCI,DEPT CHEM TOYONAKA OSAKA 560 JAPAN
Titolo Testata:
Review of scientific instruments
fascicolo: 5, volume: 64, anno: 1993,
pagine: 1150 - 1154
SICI:
0034-6748(1993)64:5<1150:FOAIPO>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
ORIENTED MOLECULE BEAMS; REACTIVE SCATTERING; INTERNAL STATE; ORIENTATION; NO;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
27
Recensione:
Indirizzi per estratti:
Citazione:
T. Kasai et al., "FORMATION OF AN INTENSE PULSED-BEAM OF CH3CL IN THE [111] STATE USINGA 2-M ELECTROSTATIC HEXAPOLE FIELD", Review of scientific instruments, 64(5), 1993, pp. 1150-1154

Abstract

An intense pulsed beam of CH3Cl in the \111] state without velocity selection was focused using a 2-m electrostatic hexapole field. The beam intensity was estimated to be approximately 1 X 10(13) molecules pulse-1, which is much greater than the similar beams in the earlier study of Gandhi et al. by at least two orders of magnitude. The beam had a3-ms pulse width and was focused with an angular divergence of 0.7 mrad. The improvements in beam intensity and in the divergence of the beam can be mainly ascribable to the efficient pumping of the hexapole field through the cylindrical electrodes, which enables us to employ the helium seeding to have the fast stream velocity, the narrow distribution of velocity, and the aerodynamic effects. Those factors altogether made the velocity selection of the beam unnecessary.

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Documento generato il 19/09/20 alle ore 13:14:14