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Glycan signal enhancement by ammonium fluoride doping and electrospray diverting.
AnalystEisenberg SM, Muddiman DC.
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Quantum chaos of an ion trapped in a linear ion trap
Chaos: An Interdisciplinary Journal of Nonlinear Science, 2000We describe the transition to quantum chaos of an ion trapped in a linear ion trap and interacting with two laser fields. Under the conditions of adiabatic illumination of the upper level of the ion, and when the frequencies of the two laser beams are slightly different, the system is reduced to a quantum linear oscillator interacting with a ...
Berman, Gennady P. +2 more
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Mass Spectrometry Reviews, 2009
AbstractThe extraordinary story of the three‐dimensional radiofrequency quadrupole ion trap, accompanied by a seemingly unintelligible theoretical treatment, is told in some detail because of the quite considerable degree of commercial success that quadrupole technology has achieved.
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AbstractThe extraordinary story of the three‐dimensional radiofrequency quadrupole ion trap, accompanied by a seemingly unintelligible theoretical treatment, is told in some detail because of the quite considerable degree of commercial success that quadrupole technology has achieved.
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Cryogenic Ion Trap for Minimization of Trapped Ion Loss
Japanese Journal of Applied Physics, 2001A cryogenic linear ion trap was developed for the minimization of the loss of trapped Be+ ions. Buffer gas cooling as well as laser cooling for light element ions was tested in the cryogenic trap. The lifetime for the He-gas-cooled Be+ ions was longer than 15 min with a liquid-He-cooled trap, although they are known to be difficult to cool with a ...
Kunihiro Okada +5 more
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On-line trapping of ions injected into a quadrupole ion trap
Journal of Physics D: Applied Physics, 1981The use of a quadrupole trap to catch ions in flight was investigated numerically. The results show that storage is possible for injection into a trap operated in the radio-frequency and the combined modes, but not in the Penning mode.
Chun-Sing O, H A Schuessler
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1994
Ion trapping in the electron beams of future factories is one of the major issues to be addressed. After a brief review of the adverse effects of neutralization in particle storage rings, the basic topics of ion production by ionization of the residual gas are recalled: ion production rate, natural clearing rates, ion kinematics, and conditions of ...
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Ion trapping in the electron beams of future factories is one of the major issues to be addressed. After a brief review of the adverse effects of neutralization in particle storage rings, the basic topics of ion production by ionization of the residual gas are recalled: ion production rate, natural clearing rates, ion kinematics, and conditions of ...
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Ion Trap Quantum Computing with Ca+ Ions
Quantum Information Processing, 2004zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Rainer Blatt +4 more
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Extraction of trapped ions from the Tokyo electron beam ion trap
Physica Scripta, 1997A beam line for transporting highly charged ions extracted from the Tokyo Electron Beam Ion Trap is being constructed in order to study ion-surface interactions and to inject into secondary ion traps for atomic physics experiments. A basic idea for the design and a computer modeling for the extraction system are described.
Motohashi, K +13 more
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2004
Abstract In a trap operating with a voltage of 10 = 500 V, singly-charged ions have a maximum ‘binding’ energy of order 500eV.3 This trap depth corresponds to the kinetic energy at a temperature of 6 x 106 K. This is more than enough to trap ions, even if the ions do receive a large recoil kick during the ionization process-to load an
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Abstract In a trap operating with a voltage of 10 = 500 V, singly-charged ions have a maximum ‘binding’ energy of order 500eV.3 This trap depth corresponds to the kinetic energy at a temperature of 6 x 106 K. This is more than enough to trap ions, even if the ions do receive a large recoil kick during the ionization process-to load an
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Fundamental studies of ion injection and trapping of electrosprayed ions on a quadrupole ion trap
International Journal of Mass Spectrometry, 1999Abstract The quadrupole ion trap is a highly versatile and sensitive analytical mass spectrometer. Because of the advantages offered by the ion trap, there has been intense interest in coupling it to ionization techniques such as electrospray which form ions externally to the ion trap.
Scott T. Quarmby, Richard A. Yost
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