Stark shifts of singly ionized argon lines

Labat, J.; Djeniže, S.; Ćirković, Lj.; Purić, J.

doi:10.1088/0022-3700/7/10/012

Cited by 23 publications

(20 citation statements)

References 12 publications

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“…One can see that with the exception of the experiment [5], the d~/d~h ratio for the MSE theory varies between 0.72 and 1.53, i.e. Moreover, for the experiment [5] On the basis of the results presented in [1] and in present paper, the MSE approach might be treated in the case of line shifts also as an useful method for simple and fast estimation of Stark broadening parameters with good average accuracy. Moreover, for the experiment [5] On the basis of the results presented in [1] and in present paper, the MSE approach might be treated in the case of line shifts also as an useful method for simple and fast estimation of Stark broadening parameters with good average accuracy.…”

Section: Resultsmentioning

confidence: 55%

“…Cases where experimental and theoretical shifts have the opposite signs are denoted by asterisks [2,3] for all experiments considered, except [4] with somewhat higher accuracy, and because of the fact that all measurements are performed in temperature Table 3. One can see that with the exception of the experiment [5], the d~/d~h ratio for the MSE theory varies between 0.72 and 1.53, i.e. it is approximately within _+ 50% limit.…”

Section: Resultsmentioning

confidence: 85%

“…Reference numbers of the experiments are also indicated. L -[5], M -[6], J -[8], C -[9], S -[11]. L -[5], M -[6], J -[8], C -[9], S -[11].…”

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confidence: 99%

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Modified semiempirical Stark shifts of ArII lines

Kršljanin

Dimitrijević

1989

Z Phys D - Atoms, Molecules and Clusters

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Section: Resultsmentioning

confidence: 55%

Section: Resultsmentioning

confidence: 85%

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Modified semiempirical Stark shifts of ArII lines

Kršljanin

Dimitrijević

1989

Z Phys D - Atoms, Molecules and Clusters

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“…2) are taken from Popenoe & Shumaker (1965), Jalufka et al (1966), Roberts (1966), Chapelle et al (1968ab), Roberts (1968), Konjević et al (1970), Klein (1973), Labat et al (1974), Behringer & Thoma (1978), Vaessen et al (1985), Nick & Helbig (1986), Pittman & Konjević (1986), Vitel & Skowronek (1987), Abbas et al (1988), Djeniže et al (1989), Dzierzega & Musiol (1994), Pellerin et al (1997), Aparicio et al (1998) and Iglesias et al (2006).…”

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confidence: 99%

Stark halfwidth trends along the homologous sequence of singly ionized noble gases

Peláez¹,

Djurović

Cirisan

et al. 2010

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Aims. The aim of this work is to analyse experimental Stark halfwidths behaviour for the ( 3 P)ns−( 3 P)np and ( 3 P)np−( 3 P)nd transitions along the homologous sequence of single ionized noble gases. This kind of trend analysis can be useful for Stark halfwidths predictions and therefore for spectroscopic diagnostic of astrophysical plasmas. Methods. The compilation of Stark halfwidths was done taking into account the measurements developed in the last decades. The experimental results and observed Stark halfwidth trends for different multiplets of ionized noble gases were compared with the modified semiempirical formula (MSE) calculations and other theoretical estimations.Results. The analysis shows that the halfwidths of the spectral lines in all observed multiplets belonging to the same transitions have a similar trend along the homologous sequence. Stark halfwidths of ( 3 P)ns−( 3 P)np transitions are more or less constant, while those of ( 3 P)np−( 3 P)nd transitions have a clear increasing slope. A qualitative explanation of the observed Stark halfwidth trends based on the energy level structure is also given.

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“…A number of experimental studies have been devoted to Ar II spectral line Stark parameter measurement (Jalufka, Oertel & Ofelt 1966;Roberts 1966Roberts , 1968Blandin et al 1968;Chapelle et al 1968 ⋆ E-mail: djurovic@uns.ac.rs (SD); apa@opt.uva.es (JAA) a,b; Konjević et al 1970;Morris & Morris 1970;Labat et al 1974;Behinger & Thoma 1978;Nick & Helbig 1986;Pitman & Konjević 1986;Djeniže et al 1989;Dzierzega & Musiol 1994;Aparicio et al 1998a;Iglesias et al 2006). However, there are still a lot of data missing, particularly in the UV region.…”

Section: Introductionmentioning

confidence: 99%

Experimental transition probabilities and Stark parameters of singly ionized noble gases

Sainz-Ezquerra¹,

Teresa²

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Me dirigí hacia Feynman. Cuando llegué aél, Feynman estaba observando un arco iris. Tenía una intensa mirada en su rostro, como si se estuviera concentrando, como si nunca hubiera visto uno antes. O quizá como si pudiera ser elúltimo que viera. Me acerqué aél cautelosamente. 'Hola, profesor Feynman', dije. 'Mira, un arco iris', dijo sin mirarme. Observé el arco iris. Parecía muy impresionante, si te parabas a considerarlo. No era algo que yo hiciera normalmente en estaépoca. 'Me pregunto qué pensaban los antiguos del arco iris', dije en voz baja. Había muchos mitos basados en las estrellas, pero pensaba que el arco iris debió de haber parecido igualmente misterioso. 'Esa es una pregunta para Murray', dijo.'Todo lo que sé', siguió diciendo Feynman, 'es que según una leyenda losángeles ponen oro en sus extremos y sólo un hombre desnudo puede alcanzarlo. Como si un hombre desnudo no tuviera cosas mejores que hacer', dijo con una sonrisa pícara. '¿Sabes quién explicó por primera vez el verdadero origen del arco iris?', pregunté. 'Fue Descartes', dijo. Después de un rato me miró a los ojos.'¿Y cuál piensas tú que fue la principal característica del arco iris que inspiró el análisis matemático de Descartes?', preguntó. 'Bien, el arco iris es en realidad una sección de un cono que aparece como un arco con los colores del espectro cuando las gotas de agua son iluminadas por la luz del sol que procede de detrás del observador.' '¿Y?' 'Supongo que lo que le inspiró fue el darse cuenta de que el problema podía analizarse considerando unaúnica gota y la geometría de la situación.' 'Estás pasando por alto un aspecto clave del fenómeno', dijo. 'Muy bien, me rindo. ¿Qué diría usted que inspiró su teoría?' 'Yo diría que lo que le inspiró fue el pensamiento de que el arco iris era bello..."-Leonard Mlodinow, El arco iris de Feynman-This implies that there is enough 'space' for the collective shielding effect to happen. 2) The average distance between electrons, which is roughly given by n 1 3 e , must be very small compared to the Debye length: * The Boltzmann equation: it establishes the occupation of the excited states of atoms and ions as a function of the temperature. The proportion of the total density of particles that are in the state of energy E k is:

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Stark shifts of singly ionized argon lines

Cited by 23 publications

References 12 publications

Modified semiempirical Stark shifts of ArII lines

Modified semiempirical Stark shifts of ArII lines

Stark halfwidth trends along the homologous sequence of singly ionized noble gases

Experimental transition probabilities and Stark parameters of singly ionized noble gases

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