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X-ray burst studies with the JENSA gas jet targetopen access
- Authors
- Schmidt, K.[Schmidt, K.]; Chipps, K.A.[Chipps, K.A.]; Ahn, S.[Ahn, S.]; Allen, J.M.[Allen, J.M.]; Ayoub, S.[Ayoub, S.]; Bardayan, D.W.[Bardayan, D.W.]; Blackmon, J.C.[Blackmon, J.C.]; Blankstein, D.[Blankstein, D.]; Browne, J.[Browne, J.]; Cha, S.[Cha, S.]; Chae, K.Y.[Chae, K.Y.]; Cizewski, J.[Cizewski, J.]; Deibel, C.M.[Deibel, C.M.]; Deleeuw, E.[Deleeuw, E.]; Gomez, O.[Gomez, O.]; Greife, U.[Greife, U.]; Hager, U.[Hager, U.]; Hall, M.R.[Hall, M.R.]; Jones, K.L.[Jones, K.L.]; Kontos, A.[Kontos, A.]; Kozub, R.L.[Kozub, R.L.]; Lee, E.[Lee, E.]; Lepailleur, A.[Lepailleur, A.]; Linhardt, L.E.[Linhardt, L.E.]; Matos, M.[Matos, M.]; Meisel, Z.[Meisel, Z.]; Montes, F.[Montes, F.]; O'Malley, P.D.[O'Malley, P.D.]; Ong, W.J.[Ong, W.J.]; Pain, S.D.[Pain, S.D.]; Sachs, A.[Sachs, A.]; Schatz, H.[Schatz, H.]; Schmitt, K.T.[Schmitt, K.T.]; Smith, K.[Smith, K.]; Smith, M.S.[Smith, M.S.]; De Bem, N.F.S.[De Bem, N.F.S.]; Thompson, P.J.[Thompson, P.J.]; Toomey, R.[Toomey, R.]; Walter, D.[Walter, D.]
- Issue Date
- 2017
- Publisher
- EDP Sciences
- Citation
- EPJ Web of Conferences, v.165
- Journal Title
- EPJ Web of Conferences
- Volume
- 165
- ISSN
- 2101-6275
- Abstract
- When a neutron star accretes hydrogen and helium from the outer layers of its companion star, thermonuclear burning enables the αp-process as a break out mechanism from the hot CNO cycle. Model calculations predict (α, p) reaction rates significantly affect both the light curves and elemental abundances in the burst ashes. The Jet Experiments in Nuclear Structure and Astrophysics (JENSA) gas jet target enables the direct measurement of previously inaccessible (α,p) reactions with radioactive beams provided by the rare isotope re-accelerator ReA3 at the National Superconducting Cyclotron Laboratory (NSCL), USA. JENSA is going to be the main target for the Recoil Separator for Capture Reactions (SECAR) at the Facility for Rare Isotope Beams (FRIB). Commissioning of JENSA and first experiments at Oak Ridge National Laboratory (ORNL) showed a highly localized, pure gas target with a density of ∼1019 atoms per square centimeter. Preliminary results are presented from the first direct cross section measurement of the 34Ar(α, p)37 K reaction at NSCL. © The Authors, published by EDP Sciences, 2017.
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