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- Borras, J. M., et al.
(författare)
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Innovation, value and reimbursement in radiation and complex surgical oncology: Time to rethink
- 2022
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Ingår i: Radiotherapy and Oncology. - : Elsevier BV. - 0167-8140. ; 169, s. 114-123
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Forskningsöversikt (refereegranskat)abstract
- Background and purpose: Complex surgery and radiotherapy are the central pillars of loco-regional oncology treatment. This paper describes the reimbursement schemes used in radiation and complex surgical oncology, reports on literature and policy reviews. Material and methods: A systematic review of the literature of the reimbursement models has been carried out separately for radiotherapy and complex cancer surgery based on PRISMA guidelines. Using searches of PubMed and grey literature, we identified articles from scientific journals and reports published since 2000 on provider payment or reimbursement systems currently used in radiation oncology and complex cancer surgery, also including policy models. Results: Most European health systems reimburse radiotherapy using a budget-based, fee-for-service or fraction-based system; while few reimburse services according to an episode-based model. Also, the reimbursement models for cancer surgery are mostly restricted to differences embedded in the DRG system and adjustments applied to the fees, based on the complexity of each surgical procedure. There is an enormous variability in reimbursement across countries, resulting in different incentives and different amounts paid for the same therapeutic strategy. Conclusion: A reimbursement policy, based on the episode of care as the basic payment unit, is advocated for. Innovation should be tackled in a two-tier approach: one defining the common criteria for reimbursement of proven evidence-based interventions; another for financing emerging innovation with uncertain definitive value. Relevant clinical and economic data, also collected real-life, should support reimbursement systems that mirror the actual cost of evidence-based practice.
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- Amelino-Camelia, G., et al.
(författare)
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Physics with the KLOE-2 experiment at the upgraded DA Phi NE
- 2010
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Ingår i: European Physical Journal C. - : Springer Science and Business Media LLC. - 1434-6044 .- 1434-6052. ; 68:3-4, s. 619-681
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Forskningsöversikt (refereegranskat)abstract
- Investigation at a f-factory can shed light on several debated issues in particle physics. We discuss: (i) recent theoretical development and experimental progress in kaon physics relevant for the Standard Model tests in the flavor sector, (ii) the sensitivity we can reach in probing CPT and Quantum Mechanics from time evolution of entangled-kaon states, (iii) the interest for improving on the present measurements of non-leptonic and radiative decays of kaons and eta/eta' mesons, (iv) the contribution to understand the nature of light scalar mesons, and (v) the opportunity to search for narrow di-lepton resonances suggested by recent models proposing a hidden dark-matter sector. We also report on the e(+)e(-) physics in the continuum with the measurements of (multi) hadronic cross sections and the study of gamma gamma processes.
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| 5. |
- Bijnens, Johan, et al.
(författare)
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Comment on the pion pole part of the light-by-light contribution to the muon g-2
- 2002
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Ingår i: Nuclear Physics, Section B. - 0550-3213. ; 626:1-2, s. 410-411
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Tidskriftsartikel (refereegranskat)abstract
- We comment on the recent calculations of the pion pole part of the light-by-light contribution to the muon anomalous magnetic moment and we point out where the analysis in our previous work was mistaken.
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| 6. |
- Bijnens, Johan, et al.
(författare)
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Hadronic matrix elements for kaons
- 2004
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Ingår i: Nuclear Physics B - Proceedings Supplements. - : Elsevier BV. - 0920-5632. ; 133, s. 245-251
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Tidskriftsartikel (refereegranskat)abstract
- We review some work done by us calculating matrix elements for Kaons. Emphasis is put on the matrix elements which are relevant to predict non-leptonic Kaon CP violating observables. In particular, we recall our results for the (B) over cap (K) parameter which governs the (K-0) over bar - K-0 mixing and update our results for epsilon(K)' including estimated all-higher-order CHPT corrections and the new results from recent analytical calculations of the DeltaI = 3/2 component. Some comments on future prospects on calculating matrix elements for Kaons are also added.
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| 7. |
- Bijnens, Johan, et al.
(författare)
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QCD Short-distance constraints and hadronic approximations
- 2003
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Ingår i: Journal of High Energy Physics. - : Springer Science and Business Media LLC. - 1029-8479. ; :4: 055
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Tidskriftsartikel (refereegranskat)abstract
- This paper discusses a general class of ladder resummation inspired hadronic approximations. It is found that this approach naturally reproduces many successes of single meson per channel saturation models (e.g. VMD) and NJL based models. In particular the existence of a constituent quark mass and a gap equation follows naturally. We construct an approximation that satisfies a large set of QCD short-distance and large N-c constraints and reproduces many hadronic observables. We show how there exists in general a problem between QCD short-distance constraints for Green Functions and those for form factors and cross-sections following from the quark-counting rule. This problem while expected for Green functions that do not vanish in purely perturbative QCD also persists for many Green functions that are order parameters.
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- Bijnens, Johan, et al.
(författare)
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The B-K kaon parameter in the chiral limit
- 2006
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Ingår i: Journal of High Energy Physics. - : Springer Science and Business Media LLC. - 1029-8479. ; :3
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Tidskriftsartikel (refereegranskat)abstract
- We introduce four-point functions in the hadronic ladder resummation approach to large N-c QCD Green functions. We determine the relevant one to calculate the B-K kaon parameter in the chiral limit. This four-point function contains both the large momenta QCD OPE and the small momenta ChPT at NLO limits, analytically. We get (B) over cap (X)(K) = 0.38 +/- 0.15. We also give the ChPT result at NLO for the relevant four-point function to calculate B-K outside the chiral limit, while the leading QCD OPE is the same as the chiral limit one.
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| 9. |
- Bijnens, Johan, et al.
(författare)
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The BK kaon parameter in the 1/Nc expansion
- 2005
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Ingår i: [Host publication title missing]. ; , s. 179-190
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Konferensbidrag (refereegranskat)abstract
- We present work going on calculating the kaon BK parameter in the 1/Nc expansion. The goal of this work is to analyze analytically in the presence of chiral corrections this phenomenologically very important parameter. We present the method used and preliminary results for the chiral limit value for which we get the invariant BKchi=0.29 +- 0.15. We also give some analytical indications of why the large N_c prediction of BK= 3/4 may have small 1/Nc corrections in the real case.
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| 10. |
- Gamiz, E, et al.
(författare)
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Matching the electroweak penguins Q(7) and Q(8)
- 2003
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Ingår i: Nuclear Physics B - Proceedings Supplements (Proceedings of the QCD 02 9th High-Energy Physics International Conference on Quantum ChromoDynamics). - 0920-5632. ; 121, s. 195-198
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Konferensbidrag (refereegranskat)abstract
- We report on recent advances on the computation of the matrix elements of the electroweak penguins Q(7) and Q(8) which are relevant for the DeltaI = 3/2 contribution to epsilon'(K) in the chiral limit. The matching of scale and scheme dependences between Wilson coefficients and these matrix elements is done analytically at NLO in alpha(S).
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