Publication

Average charge states of heavy and superheavy ions passing through a rarified gas: Theory and experiment

Khuyagbaatar, J., Shevelko, V. P., Borschevsky, A., Duellmann, C. E., Tolstikhina, I. Y. & Yakushev, A., 8-Oct-2013, In : Physical Review A. 88, 4, 8 p., 042703.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Khuyagbaatar, J., Shevelko, V. P., Borschevsky, A., Duellmann, C. E., Tolstikhina, I. Y., & Yakushev, A. (2013). Average charge states of heavy and superheavy ions passing through a rarified gas: Theory and experiment. Physical Review A, 88(4), [042703]. https://doi.org/10.1103/PhysRevA.88.042703

Author

Khuyagbaatar, J. ; Shevelko, V. P. ; Borschevsky, A. ; Duellmann, Ch. E. ; Tolstikhina, I. Yu. ; Yakushev, A. / Average charge states of heavy and superheavy ions passing through a rarified gas : Theory and experiment. In: Physical Review A. 2013 ; Vol. 88, No. 4.

Harvard

Khuyagbaatar, J, Shevelko, VP, Borschevsky, A, Duellmann, CE, Tolstikhina, IY & Yakushev, A 2013, 'Average charge states of heavy and superheavy ions passing through a rarified gas: Theory and experiment', Physical Review A, vol. 88, no. 4, 042703. https://doi.org/10.1103/PhysRevA.88.042703

Standard

Average charge states of heavy and superheavy ions passing through a rarified gas : Theory and experiment. / Khuyagbaatar, J.; Shevelko, V. P.; Borschevsky, A.; Duellmann, Ch. E.; Tolstikhina, I. Yu.; Yakushev, A.

In: Physical Review A, Vol. 88, No. 4, 042703, 08.10.2013.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Khuyagbaatar J, Shevelko VP, Borschevsky A, Duellmann CE, Tolstikhina IY, Yakushev A. Average charge states of heavy and superheavy ions passing through a rarified gas: Theory and experiment. Physical Review A. 2013 Oct 8;88(4). 042703. https://doi.org/10.1103/PhysRevA.88.042703


BibTeX

@article{f78218ea2b9845d392d79ccc34e6cf97,
title = "Average charge states of heavy and superheavy ions passing through a rarified gas: Theory and experiment",
abstract = "The average charge states (q) over bar of heavy and superheavy ions (atomic numbers Z = 80-114) passing through He gas are studied experimentally and theoretically. Experimental data were measured at the gas-filled recoil separator, i.e., the TransActinide Separator and Chemistry Apparatus (TASCA) at GSI Darmstadt, for ion energies of a few hundred keV/u at gas pressures of 0.2 to 2.0 mbar. An attempt is made to describe experimental (q) over bar values by means of atomic calculations of the binding energies and electron-loss and electron-capture cross sections. The influence of the gas-density effect is included in the calculations. The calculated (q) over bar reproduce the experimental values for elements with Z = 80-114 within 20{\%}. A comparison with different semiempirical models is presented as well, including a local fit of high accuracy, which is often used in superheavy-element experiments to estimate the average charge states of heavy ions, e.g., at the gas-filled recoil separator TASCA. The (q) over bar values for elements with Z = 115, 117, 119, and 120 at He-gas pressure of 0.8 mbar are predicted.",
keywords = "CHANGING CROSS-SECTIONS, CA-48-INDUCED REACTIONS, IONIZATION-POTENTIALS, ELECTRONIC-STRUCTURE, HEAVIEST ELEMENTS, EXCITED-LEVELS, SEPARATOR, EXCITATION, DISCOVERY, ENERGIES",
author = "J. Khuyagbaatar and Shevelko, {V. P.} and A. Borschevsky and Duellmann, {Ch. E.} and Tolstikhina, {I. Yu.} and A. Yakushev",
year = "2013",
month = "10",
day = "8",
doi = "10.1103/PhysRevA.88.042703",
language = "English",
volume = "88",
journal = "Physical Review A",
issn = "1050-2947",
publisher = "AMER PHYSICAL SOC",
number = "4",

}

RIS

TY - JOUR

T1 - Average charge states of heavy and superheavy ions passing through a rarified gas

T2 - Theory and experiment

AU - Khuyagbaatar, J.

AU - Shevelko, V. P.

AU - Borschevsky, A.

AU - Duellmann, Ch. E.

AU - Tolstikhina, I. Yu.

AU - Yakushev, A.

PY - 2013/10/8

Y1 - 2013/10/8

N2 - The average charge states (q) over bar of heavy and superheavy ions (atomic numbers Z = 80-114) passing through He gas are studied experimentally and theoretically. Experimental data were measured at the gas-filled recoil separator, i.e., the TransActinide Separator and Chemistry Apparatus (TASCA) at GSI Darmstadt, for ion energies of a few hundred keV/u at gas pressures of 0.2 to 2.0 mbar. An attempt is made to describe experimental (q) over bar values by means of atomic calculations of the binding energies and electron-loss and electron-capture cross sections. The influence of the gas-density effect is included in the calculations. The calculated (q) over bar reproduce the experimental values for elements with Z = 80-114 within 20%. A comparison with different semiempirical models is presented as well, including a local fit of high accuracy, which is often used in superheavy-element experiments to estimate the average charge states of heavy ions, e.g., at the gas-filled recoil separator TASCA. The (q) over bar values for elements with Z = 115, 117, 119, and 120 at He-gas pressure of 0.8 mbar are predicted.

AB - The average charge states (q) over bar of heavy and superheavy ions (atomic numbers Z = 80-114) passing through He gas are studied experimentally and theoretically. Experimental data were measured at the gas-filled recoil separator, i.e., the TransActinide Separator and Chemistry Apparatus (TASCA) at GSI Darmstadt, for ion energies of a few hundred keV/u at gas pressures of 0.2 to 2.0 mbar. An attempt is made to describe experimental (q) over bar values by means of atomic calculations of the binding energies and electron-loss and electron-capture cross sections. The influence of the gas-density effect is included in the calculations. The calculated (q) over bar reproduce the experimental values for elements with Z = 80-114 within 20%. A comparison with different semiempirical models is presented as well, including a local fit of high accuracy, which is often used in superheavy-element experiments to estimate the average charge states of heavy ions, e.g., at the gas-filled recoil separator TASCA. The (q) over bar values for elements with Z = 115, 117, 119, and 120 at He-gas pressure of 0.8 mbar are predicted.

KW - CHANGING CROSS-SECTIONS

KW - CA-48-INDUCED REACTIONS

KW - IONIZATION-POTENTIALS

KW - ELECTRONIC-STRUCTURE

KW - HEAVIEST ELEMENTS

KW - EXCITED-LEVELS

KW - SEPARATOR

KW - EXCITATION

KW - DISCOVERY

KW - ENERGIES

U2 - 10.1103/PhysRevA.88.042703

DO - 10.1103/PhysRevA.88.042703

M3 - Article

VL - 88

JO - Physical Review A

JF - Physical Review A

SN - 1050-2947

IS - 4

M1 - 042703

ER -

ID: 31140061