Experimental study of nonlinear beam dynamics at VEPP-4M

Киселев, В. А.; Levichev, E.; Sajaev, V.; Smaluk, Victor

doi:10.1016/s0168-9002(97)01189-3

Cited by 4 publications

(2 citation statements)

References 8 publications

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“…The nonlinear beam dynamics of the transverse betatron motion in a circular accelerator was studied using analytical, numerical and experimental methods. [1][2][3][4][5] In the Large Hadron Collider (LHC), a proton synchrotron, in which the long-term stability of betatron motion is important, an experiment concerning the effect of a nonlinear field has been actively carried out, 1) because predicting the effect by computer simulation is difficult.…”

Section: Introductionmentioning

confidence: 99%

Determination of Nonlinear Resonance Parameters in Electron Storage Rings

Miyajima

Kobayashi

2005

Jpn. J. Appl. Phys.

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We present red organic light-emitting devices (OLEDs) with high efficiency and stability based on a wide band gap host material 9,10-di(2-naphthyl)anthracene (ADN). In these devices, N,N 0 -bis(1-naphthyl)-N,N 0 -diphenyl-1,1 0 -biphenyl-4,4 0diamine (NPB) and tris(8-hydroxy-quinoline) aluminum (Alq) were used as hole and electron transport layers, respectively. Coumarin 6 (C6) and 4-(dicyano-methylene)-2-t-butyl-6-(1,1,7,7-tetramethyl-julolidyl-9-enyl)-4H-pyran (DCJTB) were codoped into the ADN emitting layer. Utilizing the two-step energy transfer from ADN to C6 and then from C6 to DCJTB, we achieved pure red organic light-emitting devices, which showed improved optical and electrical characteristics. Compared with devices where the emitting layer is composed of Alq and DCJTB, the emission efficiency and stability of the co-doped ADN-based devices are greatly improved and the turn-on voltage is also decreased. The co-doping technique provides a promising way to utilize wide band gap materials as the host to make red OLEDs, which will be useful in improving the EL performance of devices and simplifying the process of fabricating full-color OLEDs.

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Section: Introductionmentioning

confidence: 99%

Determination of Nonlinear Resonance Parameters in Electron Storage Rings

Miyajima

Kobayashi

2005

Jpn. J. Appl. Phys.

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“…Phase space portrait is useful tools in nonlinear beam dynamic study [1][2][3] [4]. A six-dimensional phase space monitors is implemented to study turn-by-turn beam dynamics in Taiwan Light Source (TLS).…”

Section: Introductionmentioning

confidence: 99%

Preliminary transverse and longitudinal phase space study at TLS

Chen

et al.

Proceedings of the 1999 Particle Accelerator Conference (Cat. No.99CH36366)

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Turn-by-turn beam position monitors and phase detector have been implemented recently for Taiwan Light Source (TLS). Transverse as well as longitudinal phase space has been explored using turn-by-turn beam position and phase measurement in single bunch mode. Single bunch longitudinal beam transfer function measurement is also performed with various excitation amplitudes. Preliminary results of these experiments are summary in this report.

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Discrete spectral analysis of beam oscillation

Smaluk

2007

Nuclear Instruments and Methods in Physics Research Section A:

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Experimental study of nonlinear beam dynamics at VEPP-4M

Cited by 4 publications

References 8 publications

Determination of Nonlinear Resonance Parameters in Electron Storage Rings

Determination of Nonlinear Resonance Parameters in Electron Storage Rings

Preliminary transverse and longitudinal phase space study at TLS

Discrete spectral analysis of beam oscillation

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