High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS

R. Neveling; H. Fujita; F. D. Smit; T. Adachi; G. P.A. Berg; E. Z. Buthelezi; J. Carter; J. L. Conradie; M. Couder; R. W. Fearick; S. V. Förtsch; D. T. Fourie; Y. Fujita; J. Görres; K. Hatanaka; M. Jingo; A. M. Krumbholz; C. O. Kureba; J. P. Mira; S. H.T. Murray; P. Von Neumann-Cosel; S. Obrien; P. Papka; I. Poltoratska; A. Richter; E. Sideras-Haddad; J. A. Swartz; A. Tamii; I. T. Usman; J. J. Van Zyl

doi:10.1016/j.nima.2011.06.077

High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS

R. Neveling, H. Fujita, F. D. Smit, T. Adachi, G. P.A. Berg, E. Z. Buthelezi, J. Carter, J. L. Conradie, M. Couder, R. W. Fearick, S. V. Förtsch, D. T. Fourie, Y. Fujita, J. Görres, K. Hatanaka, M. Jingo, A. M. Krumbholz, C. O. Kureba, J. P. Mira, S. H.T. MurrayP. Von Neumann-Cosel, S. Obrien, P. Papka, I. Poltoratska, A. Richter, E. Sideras-Haddad, J. A. Swartz, A. Tamii, I. T. Usman, J. J. Van Zyl

Physics & Astronomy

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Abstract

The setup and experimental techniques for measurements of zero-degree inelastic scattering and reactions involving light ions with the K=600 magnetic spectrometer at iThemba LABS are described. Measurements were performed for inelastic proton scattering at an incident energy of 200 MeV for targets ranging from ²⁷Al to ²⁰⁸Pb. An energy-resolution of 45 keV (FWHM) was achieved by utilizing the faint-beam dispersion-matching technique. A background subtraction procedure was applied and allowed for the extraction of excitation energy spectra with low background. Measurements of the (p,t) reaction at zero degrees for E_p=100 and 200 MeV benefited from the difference in magnetic rigidity between the reaction products and the beam particles, resulting in background-free spectra with an excitation energy-resolution of 32 and 48 keV (FWHM), respectively, and a scattering angle resolution of 0.55° (FWHM). The addition of Double Sided Silicon Strip Detectors (DSSSD) at backward scattering angles allowed for coincident measurements of particle-decay of states excited in the (p,t) reaction at ^Ep=200MeV.

Original language	English
Pages (from-to)	29-39
Number of pages	11
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	654
Issue number	1
DOIs	https://doi.org/10.1016/j.nima.2011.06.077
Publication status	Published - Oct 21 2011

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nima.2011.06.077

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Neveling, R., Fujita, H., Smit, F. D., Adachi, T., Berg, G. P. A., Buthelezi, E. Z., Carter, J., Conradie, J. L., Couder, M., Fearick, R. W., Förtsch, S. V., Fourie, D. T., Fujita, Y., Görres, J., Hatanaka, K., Jingo, M., Krumbholz, A. M., Kureba, C. O., Mira, J. P., ... Van Zyl, J. J. (2011). High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 654(1), 29-39. https://doi.org/10.1016/j.nima.2011.06.077

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title = "High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS",

abstract = "The setup and experimental techniques for measurements of zero-degree inelastic scattering and reactions involving light ions with the K=600 magnetic spectrometer at iThemba LABS are described. Measurements were performed for inelastic proton scattering at an incident energy of 200 MeV for targets ranging from 27Al to 208Pb. An energy-resolution of 45 keV (FWHM) was achieved by utilizing the faint-beam dispersion-matching technique. A background subtraction procedure was applied and allowed for the extraction of excitation energy spectra with low background. Measurements of the (p,t) reaction at zero degrees for Ep=100 and 200 MeV benefited from the difference in magnetic rigidity between the reaction products and the beam particles, resulting in background-free spectra with an excitation energy-resolution of 32 and 48 keV (FWHM), respectively, and a scattering angle resolution of 0.55° (FWHM). The addition of Double Sided Silicon Strip Detectors (DSSSD) at backward scattering angles allowed for coincident measurements of particle-decay of states excited in the (p,t) reaction at Ep=200MeV.",

author = "R. Neveling and H. Fujita and Smit, {F. D.} and T. Adachi and Berg, {G. P.A.} and Buthelezi, {E. Z.} and J. Carter and Conradie, {J. L.} and M. Couder and Fearick, {R. W.} and F{\"o}rtsch, {S. V.} and Fourie, {D. T.} and Y. Fujita and J. G{\"o}rres and K. Hatanaka and M. Jingo and Krumbholz, {A. M.} and Kureba, {C. O.} and Mira, {J. P.} and Murray, {S. H.T.} and {Von Neumann-Cosel}, P. and S. Obrien and P. Papka and I. Poltoratska and A. Richter and E. Sideras-Haddad and Swartz, {J. A.} and A. Tamii and Usman, {I. T.} and {Van Zyl}, {J. J.}",

year = "2011",

month = oct,

day = "21",

doi = "10.1016/j.nima.2011.06.077",

language = "English",

volume = "654",

pages = "29--39",

journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

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Neveling, R, Fujita, H, Smit, FD, Adachi, T, Berg, GPA, Buthelezi, EZ, Carter, J, Conradie, JL, Couder, M, Fearick, RW, Förtsch, SV, Fourie, DT, Fujita, Y, Görres, J, Hatanaka, K, Jingo, M, Krumbholz, AM, Kureba, CO, Mira, JP, Murray, SHT, Von Neumann-Cosel, P, Obrien, S, Papka, P, Poltoratska, I, Richter, A, Sideras-Haddad, E, Swartz, JA, Tamii, A, Usman, IT & Van Zyl, JJ 2011, 'High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 654, no. 1, pp. 29-39. https://doi.org/10.1016/j.nima.2011.06.077

High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS. / Neveling, R.; Fujita, H.; Smit, F. D. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 654, No. 1, 21.10.2011, p. 29-39.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS

AU - Neveling, R.

AU - Fujita, H.

AU - Smit, F. D.

AU - Adachi, T.

AU - Berg, G. P.A.

AU - Buthelezi, E. Z.

AU - Carter, J.

AU - Conradie, J. L.

AU - Couder, M.

AU - Fearick, R. W.

AU - Förtsch, S. V.

AU - Fourie, D. T.

AU - Fujita, Y.

AU - Görres, J.

AU - Hatanaka, K.

AU - Jingo, M.

AU - Krumbholz, A. M.

AU - Kureba, C. O.

AU - Mira, J. P.

AU - Murray, S. H.T.

AU - Von Neumann-Cosel, P.

AU - Obrien, S.

AU - Papka, P.

AU - Poltoratska, I.

AU - Richter, A.

AU - Sideras-Haddad, E.

AU - Swartz, J. A.

AU - Tamii, A.

AU - Usman, I. T.

AU - Van Zyl, J. J.

PY - 2011/10/21

Y1 - 2011/10/21

N2 - The setup and experimental techniques for measurements of zero-degree inelastic scattering and reactions involving light ions with the K=600 magnetic spectrometer at iThemba LABS are described. Measurements were performed for inelastic proton scattering at an incident energy of 200 MeV for targets ranging from 27Al to 208Pb. An energy-resolution of 45 keV (FWHM) was achieved by utilizing the faint-beam dispersion-matching technique. A background subtraction procedure was applied and allowed for the extraction of excitation energy spectra with low background. Measurements of the (p,t) reaction at zero degrees for Ep=100 and 200 MeV benefited from the difference in magnetic rigidity between the reaction products and the beam particles, resulting in background-free spectra with an excitation energy-resolution of 32 and 48 keV (FWHM), respectively, and a scattering angle resolution of 0.55° (FWHM). The addition of Double Sided Silicon Strip Detectors (DSSSD) at backward scattering angles allowed for coincident measurements of particle-decay of states excited in the (p,t) reaction at Ep=200MeV.

AB - The setup and experimental techniques for measurements of zero-degree inelastic scattering and reactions involving light ions with the K=600 magnetic spectrometer at iThemba LABS are described. Measurements were performed for inelastic proton scattering at an incident energy of 200 MeV for targets ranging from 27Al to 208Pb. An energy-resolution of 45 keV (FWHM) was achieved by utilizing the faint-beam dispersion-matching technique. A background subtraction procedure was applied and allowed for the extraction of excitation energy spectra with low background. Measurements of the (p,t) reaction at zero degrees for Ep=100 and 200 MeV benefited from the difference in magnetic rigidity between the reaction products and the beam particles, resulting in background-free spectra with an excitation energy-resolution of 32 and 48 keV (FWHM), respectively, and a scattering angle resolution of 0.55° (FWHM). The addition of Double Sided Silicon Strip Detectors (DSSSD) at backward scattering angles allowed for coincident measurements of particle-decay of states excited in the (p,t) reaction at Ep=200MeV.

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U2 - 10.1016/j.nima.2011.06.077

DO - 10.1016/j.nima.2011.06.077

M3 - Article

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SN - 0168-9002

VL - 654

SP - 29

EP - 39

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 1

ER -

High energy-resolution zero-degree facility for light-ion scattering and reactions at iThemba LABS

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