Search for $^{22}$Na in novae supported by a novel method for measuring femtosecond nuclear lifetimes
Chloé Fougères
(1)
,
François de Oliveira Santos
(2)
,
Jordi José
(3)
,
Caterina Michelagnoli
(4, 2)
,
Emmanuel Clément
(2)
,
Yung Hee Kim
(5, 2)
,
Antoine Lemasson
(2)
,
Valdir Guimarães
(6)
,
Diego Barrientos
(7)
,
Daniel Bemmerer
(8)
,
Giovanna Benzoni
(9)
,
Andrew Boston
(10)
,
Roman Böttger
(8)
,
Florent Boulay
(2)
,
Angela Bracco
(9)
,
Igor Čeliković
(11)
,
Bo Cederwall
(12)
,
Michał Ciemala
(13)
,
Clément Delafosse
(14)
,
César Domingo-Pardo
(15)
,
Jérémie Dudouet
(16)
,
Jürgen Eberth
(17)
,
Zsolt Fülöp
(18)
,
Vicente González
(15)
,
Andrea Gottardo
,
Johan Goupil
(2)
,
Herbert Hess
(17)
,
Andrea Jungclaus
(19)
,
Ayşe Kaşkaş
,
Amel Korichi
(14)
,
Silvia Lenzi
(20, 21)
,
Silvia Leoni
(9, 13)
,
Hongjie Li
(2)
,
Joa Ljungvall
(14)
,
Araceli Lopez-Martens
(14)
,
Roberto Menegazzo
(20)
,
Daniele Mengoni
(20, 21)
,
Benedicte Million
(9)
,
Jaromír Mrázek
(22)
,
Daniel Napoli
(23)
,
Alahari Navin
(2)
,
Johan Nyberg
(24)
,
Zsolt Podolyák
(25)
,
Alberto Pullia
(9)
,
Begoña Quintana
(26)
,
Damien Ralet
(2, 14)
,
Nadine Redon
(16)
,
Peter Reiter
(17)
,
Kseniia Rezynkina
(27)
,
Frédéric Saillant
(2)
,
Marie-Delphine Salsac
(28)
,
Angel Sánchez-Benítez
(29)
,
Enrique Sanchis
(15)
,
Menekşe Şenyiğit
,
Marco Siciliano
(28, 1)
,
Nadezda Smirnova
(30)
,
Dorottya Sohler
(18)
,
Mihai Stanoiu
(31)
,
Christophe Theisen
(28)
,
Jose Valiente-Dobón
,
Predrag Ujić
(11)
,
Magdalena Zielińska
(28)
1
ANL -
Argonne National Laboratory [Lemont]
2 GANIL - Grand Accélérateur National d'Ions Lourds
3 UPC - Universitat Politècnica de Catalunya = Université polytechnique de Catalogne [Barcelona]
4 ILL - Institut Laue-Langevin
5 IBS - Institute for Basic Science [Daejeon]
6 IFUSP - Instituto de Fisica da Universidade de São Paulo
7 CERN [Genève]
8 HZDR - Helmholtz-Zentrum Dresden-Rossendorf
9 INFN - Istituto Nazionale di Fisica Nucleare, Sezione di Milano
10 University of Liverpool
11 Vinča Institute of Nuclear Sciences
12 KTH - KTH Royal Institute of Technology [Stockholm]
13 UNIMI - Università degli Studi di Milano = University of Milan
14 IJCLab - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
15 UV - Universitat de València
16 IP2I Lyon - Institut de Physique des 2 Infinis de Lyon
17 Institut für Kernphysik der Universität zu Köln
18 ATOMKI - Institute for Nuclear Research [Budapest]
19 IEM - Instituto de Estructura de la Materia
20 INFN, Sezione di Padova - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
21 Unipd - Università degli Studi di Padova = University of Padua
22 Nuclear Physics Institute [Prague]
23 LNL - Laboratori Nazionali di Legnaro
24 Uppsala University
25 Department of Physics, University of Surrey
26 Universidad de Salamanca [España] = University of Salamanca [Spain]
27 IPHC - Institut Pluridisciplinaire Hubert Curien
28 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
29 CEAFMC, University of Huelva
30 LP2I - Bordeaux - Laboratoire de Physique des Deux Infinis Bordeaux
31 Horia Hulubei National Institute for Physics and Nuclear Engineering
2 GANIL - Grand Accélérateur National d'Ions Lourds
3 UPC - Universitat Politècnica de Catalunya = Université polytechnique de Catalogne [Barcelona]
4 ILL - Institut Laue-Langevin
5 IBS - Institute for Basic Science [Daejeon]
6 IFUSP - Instituto de Fisica da Universidade de São Paulo
7 CERN [Genève]
8 HZDR - Helmholtz-Zentrum Dresden-Rossendorf
9 INFN - Istituto Nazionale di Fisica Nucleare, Sezione di Milano
10 University of Liverpool
11 Vinča Institute of Nuclear Sciences
12 KTH - KTH Royal Institute of Technology [Stockholm]
13 UNIMI - Università degli Studi di Milano = University of Milan
14 IJCLab - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
15 UV - Universitat de València
16 IP2I Lyon - Institut de Physique des 2 Infinis de Lyon
17 Institut für Kernphysik der Universität zu Köln
18 ATOMKI - Institute for Nuclear Research [Budapest]
19 IEM - Instituto de Estructura de la Materia
20 INFN, Sezione di Padova - Istituto Nazionale di Fisica Nucleare, Sezione di Padova
21 Unipd - Università degli Studi di Padova = University of Padua
22 Nuclear Physics Institute [Prague]
23 LNL - Laboratori Nazionali di Legnaro
24 Uppsala University
25 Department of Physics, University of Surrey
26 Universidad de Salamanca [España] = University of Salamanca [Spain]
27 IPHC - Institut Pluridisciplinaire Hubert Curien
28 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
29 CEAFMC, University of Huelva
30 LP2I - Bordeaux - Laboratoire de Physique des Deux Infinis Bordeaux
31 Horia Hulubei National Institute for Physics and Nuclear Engineering
Chloé Fougères
- Function : Author
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François de Oliveira Santos
- Function : Author
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Jordi José
- Function : Author
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Yung Hee Kim
- Function : Author
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Antoine Lemasson
- Function : Author
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Valdir Guimarães
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Daniel Bemmerer
- Function : Author
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Michał Ciemala
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Clément Delafosse
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Jérémie Dudouet
- Function : Author
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Zsolt Fülöp
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Vicente González
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Andrea Gottardo
- Function : Author
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Ayşe Kaşkaş
- Function : Author
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Silvia Leoni
- Function : Author
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Joa Ljungvall
- Function : Author
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Araceli Lopez-Martens
- Function : Author
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Roberto Menegazzo
- Function : Author
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Benedicte Million
- Function : Author
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Begoña Quintana
- Function : Author
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Menekşe Şenyiğit
- Function : Author
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Marco Siciliano
- Function : Author
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Christophe Theisen
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Jose Valiente-Dobón
- Function : Author
Abstract
Classical novae are thermonuclear explosions in stellar binary systems, and important sources of $^{26}$Al and $^{22}$Na. While γ rays from the decay of the former radioisotope have been observed through-out the Galaxy, $^{22}$Na remains untraceable. The half-life of $^{22}$Na (2.6 yr) would allow the observation of its 1.275 MeV γ-ray line from a cosmic source. However, the prediction of such an observation requires good knowledge of the nuclear reactions involved in the production and destruction of this nucleus. The $^{22}$Na(p, γ)$^{23}$Mg reaction remains the only source of large uncertainty about the amount of $^{22}$Na ejected. Its rate is dominated by a single reso- nance on the short-lived state at 7785.0(7) keV in $^{23}$Mg. In the present work, a combined analysis of particle-particle correlations and velocity-difference profiles is proposed to measure femtosecond nuclear lifetimes. The application of this novel method to the study of the $^{23}$Mg states, combining magnetic and highly-segmented tracking γ -ray spectrometers, places strong limits on the amount of $^{22}$Na produced in novae, explains its non-observation to date in γ rays (flux < 2.5×10$^{-4}$ ph.cm$^{-2}$ s$^{-1}$), and constrains its detectability with future space-borne observatories.
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Physics [physics]| Origin | Files produced by the author(s) |
|---|---|
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