The 40Ca(α, γ)44Ti reaction at DRAGON

C. Vockenhuber; C. O. Ouellet; L. Buchmann; J. Caggiano; A. A. Chen; J. M. D'Auria; D. Frekers; A. Hussein; D. A. Hutcheon; W. Kutschera; K. Jayamanna; D. Ottewell; M. Paul; J. Pearson; C. Ruiz; G. Ruprecht; M. Trinczek; A. Wallner

doi:10.1016/j.nimb.2007.01.222

The ⁴⁰Ca(α, γ)⁴⁴Ti reaction at DRAGON

C. Vockenhuber^*, C. O. Ouellet, L. Buchmann, J. Caggiano, A. A. Chen, J. M. D'Auria, D. Frekers, A. Hussein, D. A. Hutcheon, W. Kutschera, K. Jayamanna, D. Ottewell, M. Paul, J. Pearson, C. Ruiz, G. Ruprecht, M. Trinczek, A. Wallner

^*Corresponding author for this work

Racah Institute of Physics

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

20 Scopus citations

Abstract

Nuclear reactions play a key role in understanding nucleosynthesis in stars. Recoil mass spectrometers such as DRAGON are well suited to study reactions with respect to astrophysical production because of direct detection of reaction products. Here we present the first stage of an experiment running at the recoil mass spectrometer DRAGON at the ISAC/TRIUMF facility in Vancouver, Canada, to study the reaction ⁴⁰Ca(α, γ)⁴⁴Ti at astrophysically relevant energies. This reaction is one of the key reactions for production of ⁴⁴Ti, which has been identified in young supernova remnants by space based γ-ray telescopes onboard COMPTEL and INTEGRAL. In this paper we focus on technical upgrade of DRAGON for ⁴⁰Ca(α, γ)⁴⁴Ti and preliminary results at resonances at E_x ∼ 9.2 MeV.

Original language	English
Pages (from-to)	688-693
Number of pages	6
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	259
Issue number	1
DOIs	https://doi.org/10.1016/j.nimb.2007.01.222
State	Published - Jun 2007

Keywords

Ti
Radiative capture
Recoil mass spectrometer

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Vockenhuber, C., Ouellet, C. O., Buchmann, L., Caggiano, J., Chen, A. A., D'Auria, J. M., Frekers, D., Hussein, A., Hutcheon, D. A., Kutschera, W., Jayamanna, K., Ottewell, D., Paul, M., Pearson, J., Ruiz, C., Ruprecht, G., Trinczek, M., & Wallner, A. (2007). The ⁴⁰Ca(α, γ)⁴⁴Ti reaction at DRAGON. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 259(1), 688-693. https://doi.org/10.1016/j.nimb.2007.01.222

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abstract = "Nuclear reactions play a key role in understanding nucleosynthesis in stars. Recoil mass spectrometers such as DRAGON are well suited to study reactions with respect to astrophysical production because of direct detection of reaction products. Here we present the first stage of an experiment running at the recoil mass spectrometer DRAGON at the ISAC/TRIUMF facility in Vancouver, Canada, to study the reaction 40Ca(α, γ)44Ti at astrophysically relevant energies. This reaction is one of the key reactions for production of 44Ti, which has been identified in young supernova remnants by space based γ-ray telescopes onboard COMPTEL and INTEGRAL. In this paper we focus on technical upgrade of DRAGON for 40Ca(α, γ)44Ti and preliminary results at resonances at Ex ∼ 9.2 MeV.",

keywords = "Ti, Radiative capture, Recoil mass spectrometer",

author = "C. Vockenhuber and Ouellet, {C. O.} and L. Buchmann and J. Caggiano and Chen, {A. A.} and D'Auria, {J. M.} and D. Frekers and A. Hussein and Hutcheon, {D. A.} and W. Kutschera and K. Jayamanna and D. Ottewell and M. Paul and J. Pearson and C. Ruiz and G. Ruprecht and M. Trinczek and A. Wallner",

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doi = "10.1016/j.nimb.2007.01.222",

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Vockenhuber, C, Ouellet, CO, Buchmann, L, Caggiano, J, Chen, AA, D'Auria, JM, Frekers, D, Hussein, A, Hutcheon, DA, Kutschera, W, Jayamanna, K, Ottewell, D, Paul, M, Pearson, J, Ruiz, C, Ruprecht, G, Trinczek, M & Wallner, A 2007, 'The ⁴⁰Ca(α, γ)⁴⁴Ti reaction at DRAGON', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 259, no. 1, pp. 688-693. https://doi.org/10.1016/j.nimb.2007.01.222

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AU - Vockenhuber, C.

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AU - Buchmann, L.

AU - Caggiano, J.

AU - Chen, A. A.

AU - D'Auria, J. M.

AU - Frekers, D.

AU - Hussein, A.

AU - Hutcheon, D. A.

AU - Kutschera, W.

AU - Jayamanna, K.

AU - Ottewell, D.

AU - Paul, M.

AU - Pearson, J.

AU - Ruiz, C.

AU - Ruprecht, G.

AU - Trinczek, M.

AU - Wallner, A.

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AB - Nuclear reactions play a key role in understanding nucleosynthesis in stars. Recoil mass spectrometers such as DRAGON are well suited to study reactions with respect to astrophysical production because of direct detection of reaction products. Here we present the first stage of an experiment running at the recoil mass spectrometer DRAGON at the ISAC/TRIUMF facility in Vancouver, Canada, to study the reaction 40Ca(α, γ)44Ti at astrophysically relevant energies. This reaction is one of the key reactions for production of 44Ti, which has been identified in young supernova remnants by space based γ-ray telescopes onboard COMPTEL and INTEGRAL. In this paper we focus on technical upgrade of DRAGON for 40Ca(α, γ)44Ti and preliminary results at resonances at Ex ∼ 9.2 MeV.

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KW - Recoil mass spectrometer

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ER -

The ⁴⁰Ca(α, γ)⁴⁴Ti reaction at DRAGON

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Keywords

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