58,045 research outputs found
Uncovering quasi-degenerate Kaluza-Klein Electro-Weak gauge bosons with top asymmetries at the LHC
No full textBy exploiting the correlation between charge and spin polarisation asymmetries in t-tbar, we show that combining the two observables could identify the presence of quasi-degenerate states in a resonant signal at the LHC. As an example, we investigate experimental signatures emerging in top-antitop final states in the context of a model where the Standard Model Electro-Weak sector is allowed to propagate in large extra--dimensions of TeV-1 size while the colour sector is localised. Assuming current experimental constraints from the 7 and 8 TeV runs and taking into account the estimated top (anti-top) reconstruction efficiencies, we find that the 14 TeV upgraded LHC with the planned integrated luminosity L=100 fb-1 could access these quasi-degenerate multiple resonances and explore for the first time the rich phenomenology in the asymmetry observables. The main outcome would be having measurable quantities, complementary to the usual total and differential cross sections, capable of distinguishing a quasi-degenerate multiply resonant spectrum from a 'standard' single resonance that could present a similar signal in a bump hunt analysis
Decisiones R.P.D. Marcelli Crescentij Rotae auditoris postea S.R.E. cardinalis super causis per RR. DD. auditores in eodem sacro palatio relatis ex communibus & concordibus eorundem votis & suffragijs : sub titulis secundùm ordinem Decretalium redactae epithomatibus, summarijs & indice locupletatae. Quibus accessit Tractatus de tribunalibus Vrbis & eorum praeuentionibus
No full textO impresor consta en 1º colofón (r. de EE\b6\s)Outro colofón ó final da segunda obra (v. de L\b3\s) onde consta: "apud Iacobum Ruffinellum"Marca de Marcantonio Moretti en ports.e ó finSign.: [cruz latina]4, 2[cruz latina]2, A-Z4, AA-DD4, EE6; A-L4Texto a dúas col.A segunda obra con port., pax e sign. propia
Terremoto in Emilia Romagna (2012): le attività del Centro Operativo Emergenza Sismica
No full textCome definito negli accordi riportati nell’ambito della Convenzione1 esistente tra l’Istituto Nazionale di Geofisica e Vulcanologia (INGV) e il Dipartimento di Protezione Civile (DPC), a poche ore dal forte terremoto che nella notte del 20 maggio 2012 ha colpito una vasta area dell’Emilia [Moretti et al., 2012; 2013a], è stato attivato il Pronto Intervento Sismico dell’INGV [Govoni et al., 2008; Moretti e Govoni, 2011; Moretti et al., 2010c]. Durante la prima settimana dell’emergenza l’obiettivo principale della struttura emergenziale INGV ha riguardato il miglioramento del monitoraggio sismico; sono state quindi attivate le reti sismiche mobili [maggiori dettagli in Moretti et al., 2012; 2013a] con il fine di integrare le stazioni permanenti della Rete Sismica Nazionale [RSN, Amato e Mele, 2008; Delladio et al., 2011].
Solo in una secondo momento, dopo circa 10 giorni dall’inizio della sequenza sismica è stato ufficialmente attivato il Centro Operativo Emergenza Sismica [COES, Moretti et al., 2010a], a seguito del decreto del Capo del DPC, con il quale è stata costituita la Direzione di Comando e Controllo (Di.Coma.C.2) presso l’Agenzia della Protezione Civile Regionale dell’Emilia Romagna (AgDPC) in Bologna. L’allestimento e il coordinamento del COES sono stati realizzati grazie alla collaborazione tra il Centro Nazionale Terremoti (CNT), a cui afferisce la struttura, e la Sezione INGV di Bologna, sita nel capoluogo della regione colpita dall’emergenza.
In questo lavoro saranno descritte le modalità, le tempistiche e l’impegno di personale che hanno permesso e garantito l'attivazione e il buon funzionamento del COES.Published1-381.1. TTC - Monitoraggio sismico del territorio nazionaleN/A or not JCRope
Phenomenal explanationism and the look of things
No full textMatthew McGrath has recently challenged all theories that allow for immediate perceptual justification. This challenge comes by way of arguing for what he calls the “Looks View” of visual justification, which entails that our visual beliefs that are allegedly immediately justified are in fact mediately justified based on our independent beliefs about the looks of things. This paper shows that McGrath’s arguments are unsound or, at the very least, that they do not cause genuine concern for the species of dogmatism called “Phenomenal Explanationism”, recently introduced and defended by Kevin McCain and Luca Moretti
Visual impairments and attention in parkinson's disease
No full textParkinson's disease is a progressive disorder of the nervous system that affects movement. It develops gradually, often starting with a barely noticeable tremor in just one hand. But, while tremors may be the most well-known sign of Parkinson's disease, the disorder also commonly causes a slowing or freezing of movement. The authors aim to reflect on different features of a poliedric structure, like Parkinson's disease, and try to help clinicians and students to reflect on these aspects that mainly interfere with the daily life experience of patients and caregivers. © 2013 by Nova Science Publishers, Inc. All rights reserved
Anatomy of Basal Ganglia and Thalamus
No full textThe basal ganglia is traditionally composed by three groups of brain structures called the "striatum," "pallidum," and "substantia nigra," and an additional structure termed the "subthalamic nucleus" (STN). The striatum can be separated into two general components, the dorsal striatum, which consists of the caudate and putamen, and the ventral striatum, which consists of the nucleus accumbens, septum, and olfactory tubercle. In a similar manner, the pallidum can also be divided into multiple divisions, including a lateral or external segment of the globus pallidus (GPe), a medial or internal segment of the globus pallidus (GPi), and a portion that lies ventral and anterior to the anterior commissure, designated the ventral pallidum (VP). Finally, the substantia nigra is also composed of more than one component, a cell group rich in neuromelanin called the pars compacta (SNpc), which is responsible for the black appearance of the nucleus in gross specimens, and an unpigmented celI group known as the pars reticulata (SNpr). According to the simplest classification scheme, the nuclei within the basal ganglia can be subdivided into sets of "input," "output," and"intermediate" structures. Input structures include the caudate, putamen, and nucleus accumbens. Collectively, these input structures receive direct projections from nearly the entire cerebral cortex. These input structures then project to intermediate structures as well as output structures. The three principal output structures of the basal ganglia include the GPi, SNpr, and VP. For the most part, these output structures send their efferent projections to different subdivisions of the ventroanteriorventrolateral (VAIVL), mediodorsal (M,D), and intralaminar (IL) groups ofthalamic nuclei (particularly the centrum medianum and parafasicularis intralaminar nuclei (CM/PF). The VA/VL and MD nuclei of the thalamus, in turn, project largely back upon the cerebral cortex. Thus, one of the major features of basal ganglia anatomy is their participation in what has become known as cortical- basal gangliathalamo-cortical circuits (hereafter referred to as simply cortical-basal ganglia circuits). Many of these same cortical areas also contain cells that project directly to the STN and, thus, constitute a subthalamic path. We present the results of different studies on the topic, and discuss the effect in PD. © 2013 Nova Science Publishers, Inc. All rights reserved
Freezing in-on and parkinson's disease: Cognition and behavior
No full textFreezing of gait (FOG) refers to transient episodes, usually lasting seconds, in which a patient is unable to initiate or continue locomotion, occurring on a background of relatively good ability to move and is best described by patients as "feet get glued to the ground." Freezing of gait is common in Parkinson's disease, with increasing prevalence as the disease progresses, but it has been commonly reported in pathologically proven progressive supranuclear palsy and vascular parkinsonism. Two types of freezing of gait have been recognized in patients affected by Parkinson's Disease, taking L-Dopa. The most common is an "off" -freezing of gait, which can be improved with L-Dopa or dopaminergic treatment, such as apomorphine. "Off" -freezing appears during an "off" state, when the patient is generally bradykinetic and rigid. In contrast, "on" -freezing is characterized by a worsening of symptoms as the dose of L-Dopa is increased, and by a general improvement, as the dose is decreased or, better said, modulated. The onfreezing of gait is related to abnormal execution of complex motor tasks such as repetitive, simultaneous, or sequential motor acts. Different Authors suggested that the primary underlying abnormality might be related to the inability to deliver, or hold a pre-programmed, continuous, and complex motor act, in response to an established and correct internal plan of action. Therefore, we hypothesized that PD- on freezing patients might be clinically well differentiated from the other clinical subtypes of PD and might present a specific cognitive impairment, different from that presented by PD patients, without on-FOG. We discuss these hypothesis, based on clinical studies and follow-up
Activity of the Oil of Salvia officinalis L. against Botrytis cinerea
No full textThe action of Salvia officinalis L. essential oil, of its hydrocarbon and oxygenated fractions, and of its main components, α- and β-thujone, 1,8-cineole and camphor, were tested on a strain of Botrytis cinerea Pers. a chrysanthemum pathogen (Chrysanthemum morifolium Ramat) and compared with the action of two synthetic plant fungicides, iprodione and benomyl, on the same fungus. The essential oil, its oxygenated fraction and the camphor showed fungicidal activity in doses of 2.2, 1.85 and 1.75 g/L respectively. The hydrocarbon fraction, the α- and β-thujone and the 1,8-cineole had no significant effect on the test organism. Iprodione had only a fungistatic action and benomyl was unable to completely inhibit the growth of the fungus, even at maximum doses
Terremoto in Emilia Romagna (2012): le attività della Rete Sismica Mobile stand-alone (Re.Mo.)
No full textA seguito del forte evento sismico che la notte del 20 maggio 2012 ha interessato la Pianura Padana Emiliana, è stato attivato il Pronto Intervento Sismico dell’Istituto Nazionale di Geofisica e Vulcanologia (INGV), come codificato nell’Allegato A1 della Convenzione2 vigente fra l’ente e il Dipartimento di Protezione Civile (DPC). Nelle prime 72 ore sono state installate 16 stazioni sismiche temporanee, di cui 8 in real-time, ad integrazione di quelle permanenti della Rete Sismica Nazionale (RSN [Amato e Mele, 2008; Delladio, 2011]) già in acquisizione in area epicentrale. Nei giorni successivi il gruppo per lo studio degli effetti di sito (EMERSITO [Bordoni et al., 2012]) ha predisposto tre transetti per un totale di 22 stazioni stand-alone; nel contempo colleghi di altri enti nazionali ed internazionali, hanno installato ulteriore strumentazione di diversa tipologia (totale: 38 stazioni). Tutti gli interventi sono stati realizzati in sinergia cercando di non sovrapporre la strumentazione con l’obiettivo successivo di condividere i dataset. Tutti i dettagli del primo mese della campagna sismica (partecipanti, tempistiche, strumentazione utilizzata) sono descritti in diversi lavori [Bordoni et al., 2012; Marzorati et al., 2012a; 2012b; Moretti et al., 2012; 2013; Priolo et al., 2012].
In questo lavoro viene descritta l’attività compiuta dalla Rete Sismica Mobile di Roma relativamente all’installazione e alla gestione delle 12 stazioni sismiche temporanee stand-alone a partire dall’attivazione della struttura di Pronto Intervento Sismico e per tutto il 2012.Published1-501.1. TTC - Monitoraggio sismico del territorio nazionaleN/A or not JCRope
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