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| 2. |
- Kanai, M, et al.
(författare)
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- 2023
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swepub:Mat__t
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| 3. |
- Niemi, MEK, et al.
(författare)
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- 2021
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swepub:Mat__t
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| 4. |
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| 5. |
- Murari, A., et al.
(författare)
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A control oriented strategy of disruption prediction to avoid the configuration collapse of tokamak reactors
- 2024
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Ingår i: Nature Communications. - 2041-1723 .- 2041-1723. ; 15:1
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Tidskriftsartikel (refereegranskat)abstract
- The objective of thermonuclear fusion consists of producing electricity from the coalescence of light nuclei in high temperature plasmas. The most promising route to fusion envisages the confinement of such plasmas with magnetic fields, whose most studied configuration is the tokamak. Disruptions are catastrophic collapses affecting all tokamak devices and one of the main potential showstoppers on the route to a commercial reactor. In this work we report how, deploying innovative analysis methods on thousands of JET experiments covering the isotopic compositions from hydrogen to full tritium and including the major D-T campaign, the nature of the various forms of collapse is investigated in all phases of the discharges. An original approach to proximity detection has been developed, which allows determining both the probability of and the time interval remaining before an incoming disruption, with adaptive, from scratch, real time compatible techniques. The results indicate that physics based prediction and control tools can be developed, to deploy realistic strategies of disruption avoidance and prevention, meeting the requirements of the next generation of devices.
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| 9. |
- Barausse, Enrico, et al.
(författare)
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Prospects for fundamental physics with LISA
- 2020
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Ingår i: General Relativity and Gravitation. - : SPRINGER/PLENUM PUBLISHERS. - 0001-7701 .- 1572-9532. ; 52:8
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In this paper, which is of programmatic rather than quantitative nature, we aim to further delineate and sharpen the future potential of the LISA mission in the area of fundamental physics. Given the very broad range of topics that might be relevant to LISA,we present here a sample of what we view as particularly promising fundamental physics directions. We organize these directions through a "science-first" approach that allows us to classify how LISA data can inform theoretical physics in a variety of areas. For each of these theoretical physics classes, we identify the sources that are currently expected to provide the principal contribution to our knowledge, and the areas that need further development. The classification presented here should not be thought of as cast in stone, but rather as a fluid framework that is amenable to change with the flow of new insights in theoretical physics.
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| 10. |
- Luen, S J, et al.
(författare)
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Genomic characterisation of hormone receptor-positive breast cancer arising in very young women.
- 2023
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Ingår i: Annals of oncology : official journal of the European Society for Medical Oncology. - : Elsevier BV. - 1569-8041. ; 34:4, s. 397-409
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Tidskriftsartikel (refereegranskat)abstract
- Very young premenopausal women diagnosed with hormone receptor-positive, HER2-negative (HR+HER2-) early breast cancer (EBC) have higher rates of recurrence and death for reasons that remain largely unexplained.Genomic sequencing was applied to HR+HER2- tumours from patients enrolled in the SOFT clinical trial to determine genomic drivers that are enriched in young premenopausal women. Genomic alterations were characterised using next-generation sequencing from a subset of 1,276 patients (deep targeted sequencing, N=1258; whole-exome sequencing in a young-age, case-control subsample, N=82). We defined copy number (CN) subgroups and assessed for features suggestive of homologous recombination deficiency (HRD). Genomic alteration frequencies were compared between young premenopausal women (<40 years) and older premenopausal women (≥40 years), and assessed for associations with distant recurrence-free interval (DRFI), and overall survival (OS).Younger women (<40 years, N=359) compared with older women (≥40 years, N=917) had significantly higher frequencies of mutations in GATA3 (19%vs16%) and CN-amplifications (47%vs26%), but significantly lower frequencies of mutations in PIK3CA (32%vs47%), CDH1 (3%vs9%), and MAP3K1 (7%vs12%). Additionally, significantly higher frequencies of features suggestive of HRD (27%vs21%), and a higher proportion of PIK3CA mutations with concurrent CN-amplifications (23%vs11%).Genomic features suggestive of HRD, PIK3CA mutations with CN-amplifications, and CN-amplifications associated with significantly worse DRFI and OS compared with those without these features. These poor prognostic features were enriched in younger patients: present in 72% of patients aged <35 years, 54% aged 35-39 years, and 40% ≥40 years. Poor prognostic features (N=584[46%]) vs none (N=692[54%]) had an 8-year DRFI of 84%vs94% and OS of 88%vs96%. Younger women (<40) had the poorest outcomes: 8-year DRFI 74%vs85% and OS of 80%vs93% respectively.These results provide insights into genomic alterations that are enriched in young women with HR+HER2-EBC, provide rationale for genomic subgrouping, and highlight priority molecular targets for future clinical trials.
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