28 research outputs found

    Constraints on the Higgs boson width from off-shell production and decay to Z-boson pairs

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    Constraints are presented on the total width of the recently discovered Higgs boson, GH, using its relative on-shell and off-shell production and decay rates to a pair of Z bosons, where one Z boson decays to an electron or muon pair, and the other to an electron, muon, or neutrino pair. The analysis is based on the data collected by the CMS experiment at the LHC in 2011 and 2012, corresponding to integrated luminosities of 5.1fb-1 at a center-of-mass energy vs=7 TeV and 19.7fb-1at vs=8 TeV. A simultaneous maximum likelihood fit to the measured kinematic distributions near the resonance peak and above the Z-boson pair production threshold leads to an upper limit on the Higgs boson width of GH<22 MeV at a 95% confidence level, which is 5.4 times the expected value in the standard model at the measured mass of mH=125.6 GeV

    Differential host utilisation by different life history stages of the fish ectoparasite Argulus foliaceus (Crustacea: Branchiura)

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    Contains fulltext : 72168.pdf (publisher's version ) (Open Access

    European clinical experience with a dual chamber single pass sensing and pacing defibrillation lead.2002 Jul;25(7):1079-86.

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    Dual chamber ICDs are increasingly implanted nowadays, mainly to improve discrimination between supraventricular and ventricular arrhythmias but also to maintain AV synchrony in patients with bradycardia. The aim of this study was to investigate a new single pass right ventricular defibrillation lead capable of true bipolar sensing and pacing in the right atrium and integrated bipolar sensing and pacing in the right ventricle. The performance of the lead was evaluated in 57 patients (age 61 +/- 12 years; New York Heart Association 1.9 +/- 0.6, left ventricular ejection fraction 0.38 +/- 0.15) at implant, at prehospital discharge, and during a 1-year follow-up. Sensing and pacing behavior of the lead was evaluated in six different body positions. In four patients, no stable position of the atrial electrode could intraoperatively be found. The intraoperative atrial sensing was 2.3 +/- 1.6 mV and the atrial pacing threshold 0.8 +/- 0.5 V at 0.5 ms. At follow-up, the atrial sensing ranged from 1.5 mV to 2.2 mV and the atrial pacing threshold product from 0.8 to 1.7 V/ms. In 11 patients, an intermittent atrial sensing problem and in 24 patients an atrial pacing dysfunction were observed in at least one body position. In 565 episodes, a sensitivity of 100% and a specificity of 96.5% were found for ventricular arrhythmias. In conclusion, this single pass defibrillation lead performed well as a VDD lead and for dual chamber arrhythmia discrimination. However, loss of atrial capture in 45% of patients preclude its use in patients depending on atrial pacin

    Do Chinese SOEs and Private Companies Differ in Their Foreign Location Strategies?

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    We empirically analyze the host-country determinants of Chinese outbound foreign direct investments (ODI) in the period from 2003 to 2008, using disaggregated data by country and sector and distinguishing between State-owned enterprises (SOEs) and privately owned firms. Our results show that the pattern of Chinese ODI differs according to corporate ownership. Private firms are attracted by large markets and host-country strategic assets and are averse to economic and political risks when choosing investment locations abroad. Differently, state-owned enterprises follow the strategic needs of their home country and invest more in natural resource sectors, being largely indifferent to the political and economic conditions in the host countries

    The future of religious education in Europe

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    This E-book is the result of a workshop on “The future of religious education in Europe”, hosted by the Robert Schuman Centre for Advanced Studies at the European University Institute in Florence on 28 October 2014.This small volume covers the entire conceptual range of approaches to religious education in public schools. The papers gathered in this publication cover the conceptual debate on the subject, ranging from a confessional approach to a sociological approach with an inclusive model as the middle-position. The different models diverge on how they define, in the context of public schooling for children aged 6 to 14 years, what religious education is aimed at: is that what should be conveyed knowledge about religion or instead religious knowledge? Should pupils become cognitively equipped to recognize and discuss religious diversity, or should they first become literate in one, presumably “their own” religious tradition?-- I Kristina Stoeckl – Knowledge about religion and religious knowledge in secular societies: introductory remarks to The future of religious education in Europe -- II Robert Jackson – Inclusive Study of Religions and other Worldviews in Publicly-funded Schools in Democratic Societies -- III Valeria Fabretti – Rethinking Religious Education sociologically: A contribution to the European debate and comparison -- IV Joachim Willems – Religious Education and the Student’s Fundamental Right to Freedom of Religion – Some Lessons and Questions from Germany -- V Matthias Scharer, Innsbruck – “Learning Religion” in the Presence of the Other: Provocation and Gift in Public Educatio

    Evidence for three genetic loci involved in both anorexia nervosa risk and variation of body mass index.

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    The maintenance of normal body weight is disrupted in patients with anorexia nervosa (AN) for prolonged periods of time. Prior to the onset of AN, premorbid body mass index (BMI) spans the entire range from underweight to obese. After recovery, patients have reduced rates of overweight and obesity. As such, loci involved in body weight regulation may also be relevant for AN and vice versa. Our primary analysis comprised a cross-trait analysis of the 1000 single-nucleotide polymorphisms (SNPs) with the lowest P-values in a genome-wide association meta-analysis (GWAMA) of AN (GCAN) for evidence of association in the largest published GWAMA for BMI (GIANT). Subsequently we performed sex-stratified analyses for these 1000 SNPs. Functional ex vivo studies on four genes ensued. Lastly, a look-up of GWAMA-derived BMI-related loci was performed in the AN GWAMA. We detected significant associations (P-values <5 7 10-5, Bonferroni-corrected P<0.05) for nine SNP alleles at three independent loci. Interestingly, all AN susceptibility alleles were consistently associated with increased BMI. None of the genes (chr. 10: CTBP2, chr. 19: CCNE1, chr. 2: CARF and NBEAL1; the latter is a region with high linkage disequilibrium) nearest to these SNPs has previously been associated with AN or obesity. Sex-stratified analyses revealed that the strongest BMI signal originated predominantly from females (chr. 10 rs1561589; Poverall: 2.47 7 10-06/Pfemales: 3.45 7 10-07/Pmales: 0.043). Functional ex vivo studies in mice revealed reduced hypothalamic expression of Ctbp2 and Nbeal1 after fasting. Hypothalamic expression of Ctbp2 was increased in diet-induced obese (DIO) mice as compared with age-matched lean controls. We observed no evidence for associations for the look-up of BMI-related loci in the AN GWAMA. A cross-trait analysis of AN and BMI loci revealed variants at three chromosomal loci with potential joint impact. The chromosome 10 locus is particularly promising given that the association with obesity was primarily driven by females. In addition, the detected altered hypothalamic expression patterns of Ctbp2 and Nbeal1 as a result of fasting and DIO implicate these genes in weight regulation

    Kidney Versus Combined Kidney and Liver Transplantation in Young People With Autosomal Recessive Polycystic Kidney Disease: Data From the European Society for Pediatric Nephrology/European Renal Association 12European Dialysis and Transplant (ESPN/ERA-EDTA) Registry

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    Observation of B0B^0 Meson Decay to a1±(1260)π∓a^\pm_1(1260) \pi^\mp

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    7 pages, 2 postscript figures. Submitted to Phys. Rev. Lett - P. Grenier aussi au LPCWe present a measurement of the branching fraction of the decay B0 --> a1(1260)^{+-} pi^{-+} with a1(1260)^{+-} --> pi^{-+} pi^{+-} pi^{+-}. The data sample consists of 218 million B B-bar pairs collected at the Y(4S) resonance and recorded by the BaBar detector at the PEP-II asymmetric-energy e+e- collider at SLAC. The analysis is based on unbinned multivariate maximum likelihood fit. The measured branching fraction is: (16.6 +/- 1.9 +/- 1.5) 10^{-6}. The decay mode, observed for the first time, is seen with a significance of 9.2 sigma (systematic uncertainties included)

    Observation of B0 Meson Decay to a1±(1260)π∓

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    We present a measurement of the branching fraction of the decay B0→a1±(1260)π∓ with a1±(1260)→π∓π±π±. The data sample corresponds to 218×106 BB̅ pairs produced in e+e- annihilation through the ΄(4S) resonance. We measure the branching fraction B(B0→a1±(1260)π∓)B(a1±(1260)→π∓π±π±)=(16.6±1.9±1.5)×10-6, where the first error quoted is statistical and the second is systematic

    Measurement of the hadronic form factor in D0→K-e+Îœe decays

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    The shape of the hadronic form factor f(+)(q(2)) in the decay D-0 -> K(-)e(+)nu(e) has been measured in a model independent analysis and compared with theoretical calculations. We use 75 fb(-1) of data recorded by the BABAR detector at the PEP-II electron-positron collider. The corresponding decay branching fraction, relative to the decay D-0 -> K-pi(+), has also been measured to be R-D=B(D-0 -> K(-)e(+)nu(e)(gamma))/B(D-0 -> K-pi(+)(gamma))=0.927 +/- 0.007 +/- 0.012. From these results, and using the present world average value for B(D-0 -> K-pi(+)), the normalization of the form factor at q(2)=0 is determined to be f(+)(0)=0.727 +/- 0.007 +/- 0.005 +/- 0.007 where the uncertainties are statistical, systematic, and from external inputs, respectively
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