50 research outputs found

    Ricordo di Stefania Rossi Minutelli

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    The author commemorates Stefania Rossi Minutelli – librarian at the Marciana National Library from 1971 to 2005, who died on october 10th, 2008 – remembering her professional career and her role within the Italian Library Association.L'autore ricorda con affetto e stima professionale Stefania Rossi Minutelli – bibliotecaria marciana dal 1971 al 2005, scomparsa nell'ottobre 2008 – ripercorrendo il tratto di strada fatto insieme all'interno dell'Associazione Italiana Biblioteche e del mondo bibliotecario italiano

    Prognostic value of circulating tumor cells in nonmuscle invasive bladder cancer: a CellSearch analysis.

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    Background: Circulating tumor cells (CTCs) provide prognostic information in patients with metastatic tumors. Recent studies have shown that CTCs are released in circulation in an early phase of cancer disease so that their presence is under investigation in the adjuvant setting. Few studies investigated the prognostic significance of CTCs enumeration in patients with metastatic and advanced bladder cancer. The current study has analyzed the presence of CTC in patients with nonmuscle-invasive bladder cancer (NMIBC). Patients and methods: Forty-four NMIBC patients were enrolled and included in a 24-month follow-up program. Blood drawings were carried out in all patients at the first diagnosis. CellSearch system (Veridex; LLC, Raritan, NJ) was used for CTCs enumeration. Results: CTC were detectable in 8/44 patients (18%). Presence of CTC was found significantly associated to shorter time to first recurrence (6.5 versus 21.7 months, P < 0.001). Median time to progression was not reached, due to the short follow-up period. CTC presence was found associated to concomitant carcinoma in situ and higher T category. Conclusion: The detection of CTC in this setting of disease may allow to distinguish patients with high risk of recurrence from those with high risk of progression, as well as to early identify patients candidate for adjuvant treatment. © The Author 2012. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved

    Measurement of the Xi(-)(b) and Omega(-)(b) baryon lifetimes

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    Using a data sample of pp collisions corresponding to an integrated luminosity of 3 fb−1, the Ξ−b and Ω−b baryons are reconstructed in the Ξ−b → J/ψΞ− and Ω−b → J/ψΩ− decay modes and their lifetimes measured to be τ(Ξ−b) = 1.55+0.10−0.09 (stat) ± 0.03 (syst) ps, τ(Ω−b) = 1.54+0.26−0.21 (stat) ± 0.05 (syst) ps. These are the most precise determinations to date. Both measurements are in good agreement with previous experimental results and with theoretical predictions

    Effective lifetime measurements in the B-s(0) -> K+K-, B-0 -> K+pi(-) and B-s(0) -> pi K-+(-) decays

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    Measurements of the effective lifetimes in the View the MathML source, B0→K+π− and View the MathML source decays are presented using 1.0 fb−1 of pp collision data collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The analysis uses a data-driven approach to correct for the decay time acceptance. This is the most precise determination to date of the effective lifetime in the View the MathML source decay and provides constraints on contributions from physics beyond the Standard Model to the View the MathML source mixing phase and the width difference ΔΓs

    Measurement of the CP-violating phase phi(s) in (B)over-bar(s)(0) -> J / psi pi(+)pi(-) decays

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    The mixing-induced CP -violating phase ϕs in View the MathML source and View the MathML source decays is measured using the J/ψπ+π− final state in data, taken from 3 fb−1 of integrated luminosity, collected with the LHCb detector in 7 and 8 TeV centre-of-mass pp collisions at the LHC. A time-dependent flavour-tagged amplitude analysis, allowing for direct CP violation, yields a value for the phase ϕs=70±68±8 mrad. This result is consistent with the Standard Model expectation and previous measurements

    Splendori e miserie della legalità processuale

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    1. Il processo accusatorio dentro lo stampo formale della legge. - 2. La legalità processuale: una categoria debole sotto attacco. - 3. Connubio e divorzio tra legalità processuale e sostanziale lungo le linee di sviluppo della penalistica moderna. - 4. Indirizzi conflittuali delle Corti domestiche e sopranazionali. - 5. Le regole processuali degradate ad “affare” burocratico. - 6. Il sacrificio della legalità astratta in nome della concretezza dei casi. - 7. I corollari della legalità processuale.The essay analyses the legality principle in criminal proceedings, firstly highlighting its inborn weakness. The latter characteristic exposes procedural laws to continuous distortions resulting from the applicative practice, which denies the binding force of these provisions, even causing the risk of their total annihilation due to efficiency-based interpretations of European sources. The author examines the historical and morphological reasons of this endemic weakness, comparing, afterwards, hermeneutic options of national and supranational Courts. The paper ends by attempting to identify the corollaries of legality principle in criminal proceedings (strict construction and definiteness in particular), and alleging the unconstitutionality of some current solutions of case-law for conflicting with art. 111, par. 1 of the Constitution

    A study of CP violation in B±→DK±B±→DK± and B±→Dπ±B±→Dπ± decays with D→KS0K±π∓ final states

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    A first study of CP violation in the decay modes B± → [K0S K ±π∓]Dh± and B± → [K0S K ∓π±]Dh±, where h labels a K or π meson and D labels a D0 or D0 meson, is performed. The analysis uses the LHCb data set collected in pp collisions, corresponding to an integrated luminosity of 3 fb−1. The analysis is sensitive to the CP-violating CKM phase γ through seven observables: one charge asymmetry in each of the four modes and three ratios of the charge-integrated yields. The results are consistent with measurements of γ using other decay modes
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