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Pregled bibliografske jedinice broj: 1229039

First Direct Measurement of 22Mg(α,p)25Al and Implications for X-Ray Burst Model-Observation Comparisons

Randhawa, J. S.; Ayyad, Y.; Mittig, W.; Meisel, Z.; Ahn, T.; Aguilar, S.; Alvarez-Pol, H.; Bardayan, D. W.; Bazin, D.; Beceiro-Novo, S. et al.
First Direct Measurement of 22Mg(α,p)25Al and Implications for X-Ray Burst Model-Observation Comparisons // Physical review letters, 125 (2020), 202701, 5 doi:10.1103/PhysRevLett.125.202701 (međunarodna recenzija, članak, znanstveni)

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Naslov
First Direct Measurement of 22Mg(α,p)25Al and Implications for X-Ray Burst Model-Observation Comparisons

Autori
Randhawa, J. S. ; Ayyad, Y. ; Mittig, W. ; Meisel, Z. ; Ahn, T. ; Aguilar, S. ; Alvarez-Pol, H. ; Bardayan, D. W. ; Bazin, D. ; Beceiro-Novo, S. ; Blankstein, D. ; Carpenter, L. ; Cortesi, M. ; Cortina-Gil, D. ; Gastis, P. ; Hall, M. ; Henderson, S. ; Kolata, J. J. ; Mijatovic, Tea ; Ndayisabye, F. ; O’Malley, P. ; Pereira, J. ; Pierre, A. ; Robert, H. ; Santamaria, C. ; Schatz, H. ; Smith, J. ; Watwood, N. ; Zamora, J. C.

Izvornik
Physical review letters (0031-9007) 125 (2020); 202701, 5

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
nuclear astrophysics

Sažetak
Type-I x-ray bursts can reveal the properties of an accreting neutron star system when compared with astrophysics model calculations. However, model results are sensitive to a handful of uncertain nuclear reaction rates, such as 22Mg(α, p). We report the first direct measurement of 22Mg(α, p), performed with the Active Target Time Projection Chamber. The corresponding astrophysical reaction rate is orders of magnitude larger than determined from a previous indirect measurement in a broad temperature range. Our new measurement suggests a less-compact neutron star in the source GS1826-24.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Tea Mijatović (autor)

Poveznice na cjeloviti tekst rada:

doi journals.aps.org

Citiraj ovu publikaciju:

Randhawa, J. S.; Ayyad, Y.; Mittig, W.; Meisel, Z.; Ahn, T.; Aguilar, S.; Alvarez-Pol, H.; Bardayan, D. W.; Bazin, D.; Beceiro-Novo, S. et al.
First Direct Measurement of 22Mg(α,p)25Al and Implications for X-Ray Burst Model-Observation Comparisons // Physical review letters, 125 (2020), 202701, 5 doi:10.1103/PhysRevLett.125.202701 (međunarodna recenzija, članak, znanstveni)
Randhawa, J., Ayyad, Y., Mittig, W., Meisel, Z., Ahn, T., Aguilar, S., Alvarez-Pol, H., Bardayan, D., Bazin, D. & Beceiro-Novo, S. (2020) First Direct Measurement of 22Mg(α,p)25Al and Implications for X-Ray Burst Model-Observation Comparisons. Physical review letters, 125, 202701, 5 doi:10.1103/PhysRevLett.125.202701.
@article{article, author = {Randhawa, J. S. and Ayyad, Y. and Mittig, W. and Meisel, Z. and Ahn, T. and Aguilar, S. and Alvarez-Pol, H. and Bardayan, D. W. and Bazin, D. and Beceiro-Novo, S. and Blankstein, D. and Carpenter, L. and Cortesi, M. and Cortina-Gil, D. and Gastis, P. and Hall, M. and Henderson, S. and Kolata, J. J. and Mijatovic, Tea and Ndayisabye, F. and O’Malley, P. and Pereira, J. and Pierre, A. and Robert, H. and Santamaria, C. and Schatz, H. and Smith, J. and Watwood, N. and Zamora, J. C.}, year = {2020}, pages = {5}, DOI = {10.1103/PhysRevLett.125.202701}, chapter = {202701}, keywords = {nuclear astrophysics}, journal = {Physical review letters}, doi = {10.1103/PhysRevLett.125.202701}, volume = {125}, issn = {0031-9007}, title = {First Direct Measurement of 22Mg(α,p)25Al and Implications for X-Ray Burst Model-Observation Comparisons}, keyword = {nuclear astrophysics}, chapternumber = {202701} }
@article{article, author = {Randhawa, J. S. and Ayyad, Y. and Mittig, W. and Meisel, Z. and Ahn, T. and Aguilar, S. and Alvarez-Pol, H. and Bardayan, D. W. and Bazin, D. and Beceiro-Novo, S. and Blankstein, D. and Carpenter, L. and Cortesi, M. and Cortina-Gil, D. and Gastis, P. and Hall, M. and Henderson, S. and Kolata, J. J. and Mijatovic, Tea and Ndayisabye, F. and O’Malley, P. and Pereira, J. and Pierre, A. and Robert, H. and Santamaria, C. and Schatz, H. and Smith, J. and Watwood, N. and Zamora, J. C.}, year = {2020}, pages = {5}, DOI = {10.1103/PhysRevLett.125.202701}, chapter = {202701}, keywords = {nuclear astrophysics}, journal = {Physical review letters}, doi = {10.1103/PhysRevLett.125.202701}, volume = {125}, issn = {0031-9007}, title = {First Direct Measurement of 22Mg(α,p)25Al and Implications for X-Ray Burst Model-Observation Comparisons}, keyword = {nuclear astrophysics}, chapternumber = {202701} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE
  • Nature Index

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