First direct measurement of \(^{22}\)Mg(\(\alpha\),p)\(^{25}\)Al and implications for X-ray burst model-observation comparisons
Type-I X-ray burst (XRB) light curves are sensitive to the model's nuclear input and consequently affects the model-observation comparisons. \(^{22}\)Mg(\(\alpha\),p)\(^{25}\)Al is among the most important reactions which directly impact the XRB light curve. We report the first direct measureme...
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| creator | Randhawa, J S Ayyad, Y Mittig, W Meisel, Z Ahn, T Aguilar, S Alvarez-Pol, H Bardayan, D W Bazin, D Beceiro-Novo, S Carpenter, L Cortesi, M Cortina-Gil, D Blankstein, D Gastis, P Hall, M Henderson, S Kolata, J J Mijatovic, T Ndayisabye, F Malley, P O Pereira, J Pierre, A Robert, H Santamaria, C Schatz, H Smith, J Watwood, N Zamora, J C |
| description | Type-I X-ray burst (XRB) light curves are sensitive to the model's nuclear input and consequently affects the model-observation comparisons. \(^{22}\)Mg(\(\alpha\),p)\(^{25}\)Al is among the most important reactions which directly impact the XRB light curve. We report the first direct measurement of \(^{22}\)Mg(\(\alpha\),p)\(^{25}\)Al using the Active Target Time Projection Chamber. XRB light curve model-observation comparison for the source \(\tt{GS 1826-24}\) using new reaction rate implies a less-compact neutron star than previously inferred. Additionally, our result removes an important uncertainty in XRB model calculations that previously hindered extraction of the neutron star compactness. |
| doi_str_mv | 10.48550/arxiv.2001.06087 |
| format | Article |
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We report the first direct measurement of \(^{22}\)Mg(\(\alpha\),p)\(^{25}\)Al using the Active Target Time Projection Chamber. XRB light curve model-observation comparison for the source \(\tt{GS 1826-24}\) using new reaction rate implies a less-compact neutron star than previously inferred. Additionally, our result removes an important uncertainty in XRB model calculations that previously hindered extraction of the neutron star compactness.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.2001.06087</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Alpha rays ; Aluminum ; Light curve ; Magnesium ; Neutron stars ; Neutrons ; Radiation counters</subject><ispartof>arXiv.org, 2020-02</ispartof><rights>2020. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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We report the first direct measurement of \(^{22}\)Mg(\(\alpha\),p)\(^{25}\)Al using the Active Target Time Projection Chamber. XRB light curve model-observation comparison for the source \(\tt{GS 1826-24}\) using new reaction rate implies a less-compact neutron star than previously inferred. Additionally, our result removes an important uncertainty in XRB model calculations that previously hindered extraction of the neutron star compactness.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.2001.06087</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Alpha rays Aluminum Light curve Magnesium Neutron stars Neutrons Radiation counters |
| title | First direct measurement of \(^{22}\)Mg(\(\alpha\),p)\(^{25}\)Al and implications for X-ray burst model-observation comparisons |
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