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Author |
El-Neaj, Y.A. et al; Bernabeu, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
AEDGE: Atomic Experiment for Dark Matter and Gravity Exploration in Space |
Type |
Journal Article |
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Year |
2020 |
Publication |
EPJ Quantum Technology |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
EPJ Quantum Technol. |
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Volume |
7 |
Issue |
1 |
Pages |
6 - 27pp |
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Abstract |
We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range between the most sensitive ranges of LISA and the terrestrial LIGO/Virgo/KAGRA/INDIGO experiments. This interdisciplinary experiment, called Atomic Experiment for Dark Matter and Gravity Exploration (AEDGE), will also complement other planned searches for dark matter, and exploit synergies with other gravitational wave detectors. We give examples of the extended range of sensitivity to ultra-light dark matter offered by AEDGE, and how its gravitational-wave measurements could explore the assembly of super-massive black holes, first-order phase transitions in the early universe and cosmic strings. AEDGE will be based upon technologies now being developed for terrestrial experiments using cold atoms, and will benefit from the space experience obtained with, e.g., LISA and cold atom experiments in microgravity. KCL-PH-TH/2019-65, CERN-TH-2019-126 |
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[El-Neaj, Yousef Abou] Harvard Univ, Phys Dept, Cambridge, MA 02138 USA, Email: o.buchmueller@imperial.ac.uk |
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Springeropen |
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English |
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ISSN |
2662-4400 |
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Notes |
WOS:000519468200001 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4325 |
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Author |
Alonso, I. et al; Bernabeu, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Cold atoms in space: community workshop summary and proposed road-map |
Type |
Journal Article |
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Year |
2022 |
Publication |
EPJ Quantum Technology |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
EPJ Quantum Technol. |
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Volume |
9 |
Issue |
1 |
Pages |
30 - 55pp |
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Abstract |
We summarise the discussions at a virtual Community Workshop on Cold Atoms in Space concerning the status of cold atom technologies, the prospective scientific and societal opportunities offered by their deployment in space, and the developments needed before cold atoms could be operated in space. The cold atom technologies discussed include atomic clocks, quantum gravimeters and accelerometers, and atom interferometers. Prospective applications include metrology, geodesy and measurement of terrestrial mass change due to, e.g., climate change, and fundamental science experiments such as tests of the equivalence principle, searches for dark matter, measurements of gravitational waves and tests of quantum mechanics. We review the current status of cold atom technologies and outline the requirements for their space qualification, including the development paths and the corresponding technical milestones, and identifying possible pathfinder missions to pave the way for missions to exploit the full potential of cold atoms in space. Finally, we present a first draft of a possible road-map for achieving these goals, that we propose for discussion by the interested cold atom, Earth Observation, fundamental physics and other prospective scientific user communities, together with the European Space Agency (ESA) and national space and research funding agencies. |
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Address |
[Alonso, Ivan] Univ Balearic Isl, Higher Polytech Sch, Valldemossa Rd, Palma De Mallorca 07122, Spain, Email: Oliver.Buchmueller@cern.ch; |
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Springer |
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2662-4400 |
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Notes |
WOS:000885839700002 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5424 |
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Author |
n_TOF Collaboration (Patronis, N. et al); Babiano-Suarez, V.; Balibrea Correa, J.; Domingo-Pardo, C.; Ladarescu, I.; Lerendegui-Marco, J. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Status report of the n_TOF facility after the 2nd CERN long shutdown period |
Type |
Journal Article |
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Year |
2023 |
Publication |
EPJ Techniques and Instrumentation |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
EPJ Tech. Instrum. |
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Volume |
10 |
Issue |
1 |
Pages |
13 - 10pp |
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Keywords |
Neutron time of flight; Spallation target; Nuclear astrophysics; Neutron physics; Neutron induced fission; Neutron reactions |
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Abstract |
During the second long shutdown period of the CERN accelerator complex (LS2, 2019-2021), several upgrade activities took place at the nTOF facility. The most important have been the replacement of the spallation target with a next generation nitrogen-cooled lead target. Additionally, a new experimental area, at a very short distance from the target assembly (the NEAR Station) was established. In this paper, the core commissioning actions of the new installations are described. The improvement in the nTOF infrastructure was accompanied by several detector development projects. All these upgrade actions are discussed, focusing mostly on the future perspectives of the n_TOF facility. Furthermore, some indicative current and future measurements are briefly reported. |
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Address |
[Patronis, N.; Goula, S.; Eleme, Z.; Stamati, M. E.; Vagena, E.] Univ Ioannina, Ioannina, Greece, Email: nikolaos.patronis@cern.ch |
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Springer |
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English |
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ISSN |
2195-7045 |
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Notes |
WOS:001008786600001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5591 |
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Permanent link to this record |
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Author |
Lerendegui-Marco, J.; Babiano-Suarez, V.; Balibrea-Correa, J.; Caballero, L.; Calvo, D.; Ladarescu, I.; Domingo-Pardo, C. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Simultaneous Gamma-Neutron Vision device: a portable and versatile tool for nuclear inspections |
Type |
Journal Article |
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Year |
2024 |
Publication |
EPJ Techniques and Instrumentation |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
EPJ Tech. Instrum. |
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Volume |
11 |
Issue |
1 |
Pages |
2 - 17pp |
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Keywords |
Gamma imaging; Neutron imaging; Nuclear inspections; Homeland security; Nuclear waste characterization |
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Abstract |
This work presents GN-Vision, a novel dual gamma-ray and neutron imaging system, which aims at simultaneously obtaining information about the spatial origin of gamma-ray and neutron sources. The proposed device is based on two position sensitive detection planes and exploits the Compton imaging technique for the imaging of gamma-rays. In addition, spatial distributions of slow- and thermal-neutron sources (<100 eV) are reconstructed by using a passive neutron pin-hole collimator attached to the first detection plane. The proposed gamma-neutron imaging device could be of prime interest for nuclear safety and security applications. The two main advantages of this imaging system are its high efficiency and portability, making it well suited for nuclear applications were compactness and real-time imaging is important. This work presents the working principle and conceptual design of the GN-Vision system and explores, on the basis of Monte Carlo simulations, its simultaneous gamma-ray and neutron detection and imaging capabilities for a realistic scenario where a Cf-252 source is hidden in a neutron moderating container. |
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Address |
[Lerendegui-Marco, Jorge; Babiano-Suarez, Victor; Balibrea-Correa, Javier; Caballero, Luis; Calvo, David; Ladarescu, Ion; Domingo-Pardo, Cesar] Univ Valencia, Inst Fis Corpuscular, CSIC, Valencia, Spain, Email: jorge.lerendegui@ific.uv.es |
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Publisher |
Springer |
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English |
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2195-7045 |
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Conference |
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Notes |
WOS:001171512700001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
5975 |
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Permanent link to this record |
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Author |
Botella-Soler, V.; Glendinning, P. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Emergence of hierarchical networks and polysynchronous behaviour in simple adaptive systems |
Type |
Journal Article |
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Year |
2012 |
Publication |
Europhysics Letters |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
EPL |
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Volume |
97 |
Issue |
5 |
Pages |
50004 - 5pp |
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Abstract |
We describe the dynamics of a simple adaptive network. The network architecture evolves to a number of disconnected components on which the dynamics is characterized by the possibility of differently synchronized nodes within the same network (polysynchronous states). These systems may have implications for the evolutionary emergence of polysynchrony and hierarchical networks in physical or biological systems modeled by adaptive networks. |
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Address |
[Botella-Soler, V.] Univ Valencia, CSIC, Dept Fis Teor, E-46100 Valencia, Spain, Email: vicente.botella@uv.es |
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Publisher |
Epl Association, European Physical Society |
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English |
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ISSN |
0295-5075 |
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Conference |
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Notes |
WOS:000301952600004 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
958 |
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Permanent link to this record |
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Author |
Motohashi, H.; Starobinsky, A.A. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Constant-roll inflation: Confrontation with recent observational data |
Type |
Journal Article |
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Year |
2017 |
Publication |
Europhysics Letters |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
EPL |
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Volume |
117 |
Issue |
3 |
Pages |
39001 - 3pp |
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Keywords |
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Abstract |
The previously proposed class of phenomenological inflationary models in which the assumption of inflaton slow-roll is replaced by the more general, constant-roll condition is compared with the most recent cosmological observational data, mainly the Planck ones. Models in this two-parametric class which remain viable appear to be close to the slow-roll ones, and their inflaton potentials are close to (but still different from) that of the natural inflation model. The permitted regions for the two model parameters are presented. |
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Address |
[Motohashi, Hayato] Univ Valencia, CSIC, Inst Fis Corpuscular IFIC, E-46980 Valencia, Spain |
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Publisher |
Epl Association, European Physical Society |
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English |
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ISSN |
0295-5075 |
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Conference |
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Notes |
WOS:000401165300001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3134 |
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Permanent link to this record |
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Author |
Bueno Rogerio, R.J.; Lima, R.D.; Duarte, L.; Hoff da Silva, J.M.; Dias, M.; Senise, C.R. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Mass-dimension-one fermions and their gravitational interaction |
Type |
Journal Article |
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Year |
2019 |
Publication |
Europhysics Letters |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
EPL |
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Volume |
128 |
Issue |
2 |
Pages |
20004 - 6pp |
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Abstract |
We investigate in detail the interaction between the spin-(1/2) field endowed with mass dimension one and the graviton. We obtain an interaction vertex that combines the characteristics of scalar-graviton and Dirac's fermion-graviton vertices, due to the scalar-dynamic attribute and the fermionic structure of the mass-dimension-one field. It is shown that this vertex obeys the Ward-Takahashi identity, ensuring the gauge invariance for the interaction. In the contribution of the mass-dimension-one fermion to the graviton propagator at one-loop level, we found the conditions for the cancellation of the tadpole term by a cosmological counterterm. We calculate the scattering process for arbitrary momentum. For low energies, the result reveals that only the scalar sector present in the vertex contributes to the gravitational potential. Finally, we evaluate the non-relativistic limit of the gravitational interaction and obtain an attractive Newtonian potential, as required for a dark-matter candidate. |
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Address |
[Bueno Rogerio, R. J.] Univ Fed Itajuba UNIFEI, IFQ, Ave BPS 1303, BR-37500903 Itajuba, MG, Brazil |
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Publisher |
Iop Publishing Ltd |
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English |
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ISSN |
0295-5075 |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000518763000003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4317 |
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Permanent link to this record |
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Author |
Guerrero, C.; Domingo-Pardo, C.; Kappeler, F.; Lerendegui-Marco, J.; Palomo, F.R.; Quesada, J.M.; Reifarth, R. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Prospects for direct neutron capture measurements on s-process branching point isotopes |
Type |
Journal Article |
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Year |
2017 |
Publication |
European Physical Journal A |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
Eur. Phys. J. A |
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Volume |
53 |
Issue |
5 |
Pages |
87 - 5pp |
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Keywords |
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Abstract |
The neutron capture cross sections of several unstable key isotopes acting as branching points in the s-process are crucial for stellar nucleosynthesis studies, but they are very challenging to measure directly due to the difficult production of sufficient sample material, the high activity of the resulting samples, and the actual (n, gamma) measurement, where high neutron fluxes and effective background rejection capabilities are required. At present there are about 21 relevant s-process branching point isotopes whose cross section could not be measured yet over the neutron energy range of interest for astrophysics. However, the situation is changing with some very recent developments and upcoming technologies. This work introduces three techniques that will change the current paradigm in the field: the use of gamma-ray imaging techniques in (n,gamma) experiments, the production of moderated neutron beams using high-power lasers, and double capture experiments in Maxwellian neutron beams. |
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Address |
[Guerrero, C.; Lerendegui-Marco, J.; Quesada, J. M.] Univ Seville, Dept Fis Atom Mol & Nucl, E-41012 Seville, Spain, Email: carlos.guerrero@cern.ch |
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Publisher |
Springer |
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English |
Summary Language |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1434-6001 |
ISBN |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000400982700002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3129 |
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Permanent link to this record |
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Author |
Kucuk, L. et al; Orrigo, S.E.A.; Montaner-Piza, A.; Rubio, B.; Gelletly, W.; Algora, A.; Molina, F. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Half-life determination of T-z =-1 and T-z =-1/2 proton-rich nuclei and the beta decay of Zn-58 |
Type |
Journal Article |
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Year |
2017 |
Publication |
European Physical Journal A |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
Eur. Phys. J. A |
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Volume |
53 |
Issue |
6 |
Pages |
134 - 10pp |
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Keywords |
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Abstract |
We have measured the beta-decay half-lives of 16 neutron-deficient nuclei with T-z = -1/2 and -1, ranging from chromium to germanium. They were produced in an experiment carried out at GANIL and optimized for the production of Zn-58, for which in addition we present the decay scheme and absolute Fermi and Gamow-Teller transition strengths. Since all of these nuclei lie on the rp-process pathway, the T-1/2 values are important ingredients for the rp-process reaction flow calculations and for models of X-ray bursters. |
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Address |
[Kucuk, L.; Oktem, Y.; Cakirli, R. B.; Ganioglu, E.; Susoy, G.] Istanbul Univ, Dept Phys, TR-34134 Istanbul, Turkey, Email: sonja.orrigo@ific.uv.es; |
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Publisher |
Springer |
Place of Publication |
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Language |
English |
Summary Language |
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Original Title |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1434-6001 |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000404286000003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3189 |
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Permanent link to this record |
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Author |
Colovic, P. et al; Gadea, A. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Stretched configuration of states as inferred from gamma-ray angular distributions in Ar-40+Pb-208 neutron transfer reactions |
Type |
Journal Article |
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Year |
2017 |
Publication |
European Physical Journal A |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
Eur. Phys. J. A |
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Volume |
53 |
Issue |
8 |
Pages |
166 - 6pp |
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Keywords |
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Abstract |
Angular distributions of.-rays for selected transitions in Ar-40,Ar-41,Ar-42 isotopes have been studied with the PRISMA magnetic spectrometer coupled to the CLARA gamma array. These transitions were populated in Ar isotopes reached via neutron transfer in the Ar-40 + Pb-208 reaction. By comparison with the shape of the experimental angular distribution of the known E2 transitions we established more firmly the spin and parity of excited states. In particular, in Ar-41 for the (11/2(-)) state through the (11/2(-)) -> 7/2(-) transition whose structure was discussed in terms of a phonon-fermion coupled state. The comparison with the expected fully aligned spin indicated that a high level of spin alignment has been reached. |
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Address |
[Colovic, P.; Szilner, S.; Mijatovic, T.; Malenica, D. Jelavic; Soic, N.] Rudjer Boskovic Inst, Zagreb, Croatia, Email: petra.colovic@irb.hr |
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Publisher |
Springer |
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English |
Summary Language |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1434-6001 |
ISBN |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000408433900002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3251 |
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Permanent link to this record |