Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF

C. Beer; A. M. Laird; S. P. Fox; B. R. Fulton; M. A. Bentley; C. A. Diget; A. Murphy; T. Davinson; P. Salter; C. Ruiz; L. Buchmann; H. Dare; B. Davids; U. Hager; D. Howell; L. Martin; G. Ruprecht; P. Walden; C. Vockhenhuber

Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF

C. Beer, A. M. Laird, S. P. Fox, B. R. Fulton, M. A. Bentley, C. A. Diget, A. Murphy, T. Davinson, P. Salter, C. Ruiz, L. Buchmann, H. Dare, B. Davids, U. Hager, D. Howell, L. Martin, G. Ruprecht, P. Walden, C. Vockhenhuber

School of Physics and Astronomy

Research output: Contribution to conference › Paper › peer-review

Abstract

An experiment to measure the 18F(p,a)15O cross section at low centre of mass energies has been performed with the TRIUMF-UK Detector Array (TUDA) facility at TRIUMF. Measurements of the 18F(p,a)15O reaction rate at four separate centre of mass energies; 665 keV, 430 keV, 330 keV and 250 keV, were carried out. The main goal of the experiment was the measurement of the 18F(p,a)15O cross section between 250 keV and 300 keV to help constrain
the contribution to the reaction rate from nearby states and determine the effect of interference on the overall 18F(p,a)15O reaction rate from the proposed low lying 3/2+ states with the higher 664.7 keV 3/2+ state. A high intensity 18F beam (5x106 pps) was used to bombard a 31.61.9 mg.cm􀀀2 polyethylene target within the TUDA scattering chamber at the four centre
of mass energies. Four highly segmented silicon strip detector arrays were used for coincident detection of the reaction products. Preliminary results will be presented.

Original language	English
Pages	1-5
Number of pages	5
Publication status	Published - 2012
Event	10th Symposium on Nuclei in the Cosmos - Mackinac Island, Michigan, United States Duration: 27 Jul 2008 → 1 Aug 2008

Conference

Conference	10th Symposium on Nuclei in the Cosmos
Country	United States
City	Mackinac Island, Michigan
Period	27/07/08 → 1/08/08

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Woods, P., Aliotta, M. & Murphy, A.
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1/08/08 → 31/07/13
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Beer, C., Laird, A. M., Fox, S. P., Fulton, B. R., Bentley, M. A., Diget, C. A., Murphy, A., Davinson, T., Salter, P., Ruiz, C., Buchmann, L., Dare, H., Davids, B., Hager, U., Howell, D., Martin, L., Ruprecht, G., Walden, P., & Vockhenhuber, C. (2012). Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF. 1-5. Paper presented at 10th Symposium on Nuclei in the Cosmos, Mackinac Island, Michigan, United States. http://adsabs.harvard.edu/abs/2008nuco.confE..58B

Beer, C. ; Laird, A. M. ; Fox, S. P. ; Fulton, B. R. ; Bentley, M. A. ; Diget, C. A. ; Murphy, A. ; Davinson, T. ; Salter, P. ; Ruiz, C. ; Buchmann, L. ; Dare, H. ; Davids, B. ; Hager, U. ; Howell, D. ; Martin, L. ; Ruprecht, G. ; Walden, P. ; Vockhenhuber, C. / Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF. Paper presented at 10th Symposium on Nuclei in the Cosmos, Mackinac Island, Michigan, United States.5 p.

@conference{53a576301879482c821254e018e48523,

title = "Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF",

abstract = "An experiment to measure the 18F(p,a)15O cross section at low centre of mass energies has been performed with the TRIUMF-UK Detector Array (TUDA) facility at TRIUMF. Measurements of the 18F(p,a)15O reaction rate at four separate centre of mass energies; 665 keV, 430 keV, 330 keV and 250 keV, were carried out. The main goal of the experiment was the measurement of the 18F(p,a)15O cross section between 250 keV and 300 keV to help constrainthe contribution to the reaction rate from nearby states and determine the effect of interference on the overall 18F(p,a)15O reaction rate from the proposed low lying 3/2+ states with the higher 664.7 keV 3/2+ state. A high intensity 18F beam (5x106 pps) was used to bombard a 31.61.9 mg.cm􀀀2 polyethylene target within the TUDA scattering chamber at the four centreof mass energies. Four highly segmented silicon strip detector arrays were used for coincident detection of the reaction products. Preliminary results will be presented.",

author = "C. Beer and Laird, {A. M.} and Fox, {S. P.} and Fulton, {B. R.} and Bentley, {M. A.} and Diget, {C. A.} and A. Murphy and T. Davinson and P. Salter and C. Ruiz and L. Buchmann and H. Dare and B. Davids and U. Hager and D. Howell and L. Martin and G. Ruprecht and P. Walden and C. Vockhenhuber",

year = "2012",

language = "English",

pages = "1--5",

note = "10th Symposium on Nuclei in the Cosmos ; Conference date: 27-07-2008 Through 01-08-2008",

}

Beer, C, Laird, AM, Fox, SP, Fulton, BR, Bentley, MA, Diget, CA, Murphy, A , Davinson, T, Salter, P, Ruiz, C, Buchmann, L, Dare, H, Davids, B, Hager, U, Howell, D, Martin, L, Ruprecht, G, Walden, P & Vockhenhuber, C 2012, 'Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF', Paper presented at 10th Symposium on Nuclei in the Cosmos, Mackinac Island, Michigan, United States, 27/07/08 - 1/08/08 pp. 1-5. <http://adsabs.harvard.edu/abs/2008nuco.confE..58B>

Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF. / Beer, C.; Laird, A. M.; Fox, S. P.; Fulton, B. R.; Bentley, M. A.; Diget, C. A.; Murphy, A.; Davinson, T.; Salter, P.; Ruiz, C.; Buchmann, L.; Dare, H.; Davids, B.; Hager, U.; Howell, D.; Martin, L.; Ruprecht, G.; Walden, P.; Vockhenhuber, C.

2012. 1-5 Paper presented at 10th Symposium on Nuclei in the Cosmos, Mackinac Island, Michigan, United States.

Research output: Contribution to conference › Paper › peer-review

TY - CONF

T1 - Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF

AU - Beer, C.

AU - Laird, A. M.

AU - Fox, S. P.

AU - Fulton, B. R.

AU - Bentley, M. A.

AU - Diget, C. A.

AU - Murphy, A.

AU - Davinson, T.

AU - Salter, P.

AU - Ruiz, C.

AU - Buchmann, L.

AU - Dare, H.

AU - Davids, B.

AU - Hager, U.

AU - Howell, D.

AU - Martin, L.

AU - Ruprecht, G.

AU - Walden, P.

AU - Vockhenhuber, C.

PY - 2012

Y1 - 2012

N2 - An experiment to measure the 18F(p,a)15O cross section at low centre of mass energies has been performed with the TRIUMF-UK Detector Array (TUDA) facility at TRIUMF. Measurements of the 18F(p,a)15O reaction rate at four separate centre of mass energies; 665 keV, 430 keV, 330 keV and 250 keV, were carried out. The main goal of the experiment was the measurement of the 18F(p,a)15O cross section between 250 keV and 300 keV to help constrainthe contribution to the reaction rate from nearby states and determine the effect of interference on the overall 18F(p,a)15O reaction rate from the proposed low lying 3/2+ states with the higher 664.7 keV 3/2+ state. A high intensity 18F beam (5x106 pps) was used to bombard a 31.61.9 mg.cm􀀀2 polyethylene target within the TUDA scattering chamber at the four centreof mass energies. Four highly segmented silicon strip detector arrays were used for coincident detection of the reaction products. Preliminary results will be presented.

AB - An experiment to measure the 18F(p,a)15O cross section at low centre of mass energies has been performed with the TRIUMF-UK Detector Array (TUDA) facility at TRIUMF. Measurements of the 18F(p,a)15O reaction rate at four separate centre of mass energies; 665 keV, 430 keV, 330 keV and 250 keV, were carried out. The main goal of the experiment was the measurement of the 18F(p,a)15O cross section between 250 keV and 300 keV to help constrainthe contribution to the reaction rate from nearby states and determine the effect of interference on the overall 18F(p,a)15O reaction rate from the proposed low lying 3/2+ states with the higher 664.7 keV 3/2+ state. A high intensity 18F beam (5x106 pps) was used to bombard a 31.61.9 mg.cm􀀀2 polyethylene target within the TUDA scattering chamber at the four centreof mass energies. Four highly segmented silicon strip detector arrays were used for coincident detection of the reaction products. Preliminary results will be presented.

M3 - Paper

SP - 1

EP - 5

T2 - 10th Symposium on Nuclei in the Cosmos

Y2 - 27 July 2008 through 1 August 2008

ER -

Low Energy Measurement of the 18F(p,a)15O Cross Section at TRIUMF

Abstract

Conference

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