Spectral and Angular Distribution of Ultraviolet Radiation from the 300-Mev Cornell Synchrotron

Tomboulian, D. H.; Hartman, Paul L.

doi:10.1103/physrev.102.1423

Cited by 273 publications

(50 citation statements)

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“…As one can see in figure 5.4, all the three Y i (y) reach their maximum values at small y and then monotonically decrease with y (this conclusion is a basic thing in classical theory, similar figures can be found in SR textbooks e.g. [18,25], see also [14,16,79]). …”

Section: The Evolution Of Maximum In Classical Spectrumsupporting

confidence: 57%

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Spectral and angular distributions of synchrotron radiation in quantum theory

Burimova¹

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AcknowledgementI am using this opportunity to express my gratitude to everyone who supported me throughout my Doctorate course at IF USP. Immeasurable appreciation and deepest gratitude are extended to my adviser, Professor Dmitrii Maximovitch Guitman, as well as to all the members of "Quanta" group. I am thankful for their aspiring guidance, patience and friendly advice during the project work. This thesis was written as a summary of research project which was generally supported by FAPESP foundation.I am sincerely grateful to our collaborator, Professor Vladislav Gavriilovitch Bagrov, for his constructive criticism and fruitful advice.My sincere thank also goes to the members of the Comission of Qualification Exam for their remarks, advice and observations. These were of great help during the revision of particular chapters of this thesis.I kindly appreciate the support and patience of Post-Graduate Comission of IF USP and it is my greatest pleasure to thank Eber de Patto Lima personally.Special gratitude goes to Nelson Yokomizo, the former member of "Quanta" group and Thais Silva, Doctorate student of IAG. My family and friends, who had been helping me throughout all these years of work deserve special thanks. Thank you. i ii ResumoConsideramos as características da radiação síncrotron (RS) noâmbito da teoria quântica. Para simplificar a descrição teórica do processo de radiação restringimosà consideração da emissão deúnico fóton. Para transições quânticas arbitrárias, as distribuições espectrais e angulares da potência da RS são dadas de forma analítica exata. Tratamos separadamente partículas escalares (bósons) e com spin /2 (elétrons). Atenção especialé dadaàs transições particulares, a saber, as transições ao primeiro estado excitado e estado fundamental.É mostrado que os componentes de polarização linear da radiação de elétron se trocam em relaçãoà orientação de spin quando o elétron passa para o estado fundamental.Este fato pode ser considerado como uma comprovação analítica para a presenca de π-componente da radiação quântica no plano de movimento.Analisamos minuciosamente a radiação emitida pela partícula fracamente excitada. Várias funções são introduzidas para descrever a evolução dos perfis de distribuições angulares para sistemas de dois e três níveis. Para transições quânticas do primeiro estado excitado ao estado fundamental a análise comparativa da radiação de bósons e elétronsé realizada, e isso ajuda a estimar a influência de spin e sua direção sobre as características da RS. A radiação de elétrons não polarizadosé considerada separadamente. Observando o comportamento dosângulos efetivos,é fácil perceber a inconsistência da conclusão clássica bem conhecida sobre a concentração de radiação ultra-relativista total no plano do movimento.Mostramos que osângulos efetivos da radiação quântica tendem aos valores finitos e não desaparecem na região ultrarelativista.Uma revisão breve da teoria clássica inclui a introdução do conceito novo, istoé a n-parte do espectro.A fim de encontrar um análogo clás...

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Section: The Evolution Of Maximum In Classical Spectrumsupporting

confidence: 57%

“…It should be pointed out that experiments and theory always remained in good agreement (see e.g. [16,17]). At present, theory of SR is a well-developed branch of theoretical physics, there are lots of publications on related topics.…”

Section: Contents Introductionmentioning

confidence: 99%

Spectral and angular distributions of synchrotron radiation in quantum theory

Burimova¹

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“…In 1956, Tombulian and Hartman used synchrotron radiation to measure the optical transmission through Be and Al foils [1]. In the course of the forty years which have passed since that famous experiment, the range of applications of syn chrotron radiation to scientific research has been widened immensely.…”

Section: Introductionmentioning

confidence: 99%

Resonant Photoemission Study of Gd 4f States in IV-VI Crystals

et al. 1997

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“…The symmetric wave packet envelope is selected for simplicity. The Gaussian function is typical for random or spontaneous events, but others such as the defined electric pulse that produces synchrotron radiation [17,26], can be applied instead.…”

Section: Velocity In a Symmetric Wave Groupmentioning

confidence: 99%

A Wave Group for Entanglement, Linking Uncertainties in Time and Space

Bourdillon¹

2012

JMP

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A carrier wave in a 5-dimensional wave group is examined for information on electromagnetic waves and on particle probability amplitudes. Simulations by Maxwell's equations show that the phase and group velocities in electromagnetic waves are equal, both in vacuo and in dielectric media. By contrast, particle probability amplitudes in wave packet motion are more complicated. A dependence of rest mass on relative phase and group velocities is derived by consistency. Occurrences that are simultaneous and connected on wave fronts in the rest frame, appear separated when observed in moving frames. Uncertainties in space and time are linked by the probability amplitude wave group.

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Spectral and Angular Distribution of Ultraviolet Radiation from the 300-Mev Cornell Synchrotron

Cited by 273 publications

References 21 publications

Spectral and angular distributions of synchrotron radiation in quantum theory

Spectral and angular distributions of synchrotron radiation in quantum theory

Resonant Photoemission Study of Gd 4f States in IV-VI Crystals

A Wave Group for Entanglement, Linking Uncertainties in Time and Space

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