Results 41 to 50 of about 5,358,943 (171)
LandAgricultural land abandonment is an increasing concern in the EU, especially in Mediterranean regions where traditional perennial crops like olive groves are left unmanaged. This study focuses on the impact of land abandonment on soil-dwelling arthropods
Matteo Dellapiana +4 more
doaj +1 more source
A Simple Solution for the Flavor Question [PDF]
Mod.Phys.Lett. A11 (1996) 2639-2647, 1996 We consider a simple way for solving the flavor question by embedding the three-familiy Standard Model in a semisimple gauge group extending minimally the weak isospin factor. Quantum chiral anomalies between families of fermions cancel with a matching of the number of families and the number of color degrees of freedom. Our demonstration shows how the
arxiv +1 more source
Charged right-handed currents in the leptoquark-bilepton flavordynamics chiral models [PDF]
Mod.Phys.Lett. A14 (1999) 2223-2228, 1998 Flavordynamics chiral models of leptoquark fermions and bilepton gauge bosons with masses up to about 1 TeV, although coincident at low energy with the standard model, address the question of fermion mass hyerarchy and explain the flavor question. The presence of charged right-handed weak currents coupled to bileptons, which we point out herein, is ...
arxiv +1 more source
Determinants of FinTech Equity Funding Flows: Evidence From a Global Perspective
International Journal of Finance &Economics, EarlyView.ABSTRACT This study explores the factors affecting FinTech (Financial technology startups) equity financing and deals. Traditional and alternative financing are currently progressing together; however, alternative financing remains underexplored. Using panel data from 57 countries in 2010 to 2020 and one‐step difference generalised method of moments ...
Uttam Golder +4 more
wiley +1 more source
Charge quantization in the largest leptoquark-bilepton chiral electroweak scheme [PDF]
Mod.Phys.Lett.A14:1133-1142,1999, 1998 The uniqueness of the hypercharge assignments in the three fermion families leptoquark-bilepton $SU(3)_C \times SU(4)_L \times U(1)_N$ model is established. Although the gauge group contains an explicit U(1) factor, freedom from triangle anomalies combined with the requirement of nonvanishing charged fermion masses uniquely fix the electric charges of ...
arxiv +1 more source
Outcome of cardiac surgery in patients with low preoperative ejection fraction
BMC Anesthesiology, 2016 BackgroundIn patients undergoing cardiac surgery, a reduced preoperative left ventricular ejection fraction (LVEF) is common and is associated with a worse outcome.
M. Pieri +9 more
semanticscholar +1 more source
Strategic Change, EarlyView.ABSTRACT This study identifies six dynamic capabilities (DCs), which enable corporates' strategic change toward resilience in today's increasingly volatile, uncertain, complex, and ambiguous (VUCA) business environment. In this context, pertinent research has proven DCs' conduciveness for corporates to enhance their levels of resilience.
Tim P. Joussen +2 more
wiley +1 more source
The Polarized and Unpolarized Photon Content of the Nucleon [PDF]
Phys.Lett.B540:75-80,2002, 2002 The equivalent photon content of polarized and unpolarized nucleons (protons, neutrons), utilized in Weizs\"acker--Williams approximations, are presented. For this purpose a new expression for the elastic photon component of a polarized nucleon is derived.
arxiv +1 more source
Italian Journal of Pediatrics, 2022 Background Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) pandemic has been challenging health care systems and made it necessary to use rapid and cost-effective testing methods, particularly in Emergency Department (ED) settings.
A. Pepe +8 more
semanticscholar +1 more source
Testing the Equivalent Photon Approximation of the Proton in the Process $e p\to νW X$ [PDF]
Eur.Phys.J. C38 (2004) 79-84, 2004 The accuracy of the equivalent photon approximation (EPA) of the proton in describing the inelastic process $ep\to \nu W X$ is investigated. In particular, the scale dependence of the corresponding inelastic photon distribution is discussed. Furthermore, an estimate of the total number of events, including the ones coming from the elastic and quasi ...
arxiv +1 more source