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- Cortina-Gil, D., et al.
(författare)
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CALIFA, a Dedicated Calorimeter for the R3B/FAIR
- 2014
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Ingår i: Nuclear Data Sheets. - : Elsevier BV. - 1095-9904 .- 0090-3752. ; 120, s. 99-101
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Tidskriftsartikel (refereegranskat)abstract
- The R3B experiment (Reactions with Relativistic Radioactive Beams) at FAIR (Facility for Antiproton and Ion Research) is a versatile setup dedicated to the study of reactions induced by high-energy radioactive beams. It will provide kinematically complete measurements with high efficiency, acceptance and resolution, making possible a broad physics program with rare-isotopes. CALIFA (CALorimeter for In-Flight detection of gamma-rays and high energy charged pArticles), is a complex detector based on scintillation crystals, that will surround the target of the R3B experiment. CALIFA will act as a total absorption gamma-calorimeter and spectrometer, as well as identifier of charged particles from target residues. This versatility is its most challenging requirement, demanding a huge dynamic range, to cover from low energy gamma-rays up to 300 MeV protons. This fact, along with the high-energy of the beams determine the conceptual design of the detector, presented in this paper, together with the technical solutions proposed for its construction.
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| 3. |
- Cortina-Gil, D., et al.
(författare)
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CALIFA, a Dedicated Calorimeter for the (RB)-B-3/FAIR
- 2014
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Ingår i: Nuclear Data Sheets. - : Elsevier BV. - 0090-3752. ; 120, s. 99-101
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Tidskriftsartikel (refereegranskat)abstract
- The (RB)-B-3 experiment (Reactions with Relativistic Radioactive Beams) at FAIR (Facility for Antiproton and Ion Research) is a versatile setup dedicated to the study of reactions induced by high-energy radioactive beams. It will provide kinematically complete measurements with high efficiency, acceptance and resolution, making possible a broad physics program with rare-isotopes. CALIFA (CALorimeter for In-Flight detection of gamma-rays and high energy charged pArticles), is a complex detector based on scintillation crystals, that will surround the target of the (RB)-B-3 experiment. CALIFA will act as a total absorption gamma-calorimeter and spectrometer, as well as identifier of charged particles from target residues. This versatility is its most challenging requirement, demanding a huge dynamic range, to cover from low energy gamma-rays up to 300 MeV protons. This fact, along with the high-energy of the beams determine the conceptual design of the detector, presented in this paper, together with the technical solutions proposed for its construction.
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| 4. |
- Capdevila, J., et al.
(författare)
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Molecular biology of neuroendocrine tumors: from pathways to biomarkers and targets
- 2014
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Ingår i: Cancer and Metastasis Reviews. - : Springer Science and Business Media LLC. - 0167-7659 .- 1573-7233. ; 33:1, s. 345-351
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Forskningsöversikt (refereegranskat)abstract
- Neuroendocrine tumors (NETs) represent a heterogeneous group of diseases with varied natural history and prognosis depending upon the organ of origin and grade of aggressiveness. The most widely used biomarker to determine disease burden and monitor response to treatment is chromogranin A (CgA), but it is far from being the optimal predictive and prognostic biomarker in NETs. Biological understanding and derived treatment options for NETs have changed markedly in recent years. Over the last decade, the genomic landscape of these tumors has been extensively investigated. This has resulted in the discovery of mutations and expression anomalies in genes and pathways such as the PI3K/Akt/mTOR, DAXX/ATRX, and MEN1, which are promising predictive and prognostic biomarkers and future candidates for targeted therapies. Additionally, the study of tumor stroma and environment are one of the most promising fields for discovery of potential new targets and biomarkers.
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| 6. |
- Rodriguez-Sanchez, J. L., et al.
(författare)
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Fission of highly excited nuclei investigated in complete kinematic measurements
- 2013
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Ingår i: EPJ Web of Conferences. - : EDP Sciences. - 2101-6275 .- 2100-014X. ; 62
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Konferensbidrag (refereegranskat)abstract
- Fission is an extremely complex mechanism that requires a dynamical approach to describe the evolution of the process in terms of intrinsic and collective excitations of the nuclear constituents. In order to determine these effects a complex experimental setup was mounted at GSI, which allowed us for the first time the full identification in charge and mass of all fission fragments thanks to a magnetic separation and the use of the inverse kinematic technique. Moreover, we also measured the neutron multiplicities and the light-charged particles emitted in coincidence with fission. These complete kinematic measurements will be used to define sensitive observables to dissipative and transient effects in fission. In this manuscript we present the first results for the total fission cross sections. © Owned by the authors, published by EDP Sciences, 2013.
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| 10. |
- Rodriguez-Sanchez, J. L., et al.
(författare)
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Proton-induced fission cross sections on Pb-208 at high kinetic energies
- 2014
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Ingår i: Physical Review C - Nuclear Physics. - 2469-9985 .- 2469-9993. ; 90:6, s. Art. no. 064606-
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Tidskriftsartikel (refereegranskat)abstract
- Total fission cross sections of Pb-208 induced by protons have been determined at 370A, 500A, and 650A MeV. The experiment was performed at GSI Darmstadt where the combined use of the inverse kinematics technique with an efficient detection setup allowed us to determine these cross sections with an uncertainty below 6%. This result was achieved by an accurate beam selection and registration of both fission fragments in coincidence which were also clearly distinguished from other reaction channels. These data solve existing discrepancies between previous measurements, providing new values for the Prokofiev systematics. The data also allow us to investigate the fission process at high excitation energies and small deformations. In particular, some fundamental questions about fission dynamics have been addressed, which are related to dissipative and transient time effects.
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