We study the decay of Ds+ mesons into final states involving a KS0 and report the discovery of Cabibbo suppressed decay modes Ds+→KS0π−π+π+ (179±36 events) and Ds+→KS0π+ (113±26 events). The ...branching fraction ratios for the new modes are Γ(Ds+→KS0π−π+π+)Γ(Ds+→KS0K−π+π+)=0.18±0.04±0.05 and Γ(Ds+→KS0π+)Γ(Ds+→KS0K+)=0.104±0.024±0.014.
We present a search for a pentaquark decaying strongly to pKS0 in γN collisions at a center-of-mass energy up to 25 GeV. Finding no evidence for such a state in the mass range of 1470 MeV/c2 to ...2200 MeV/c2, we set limits on the yield and on the cross section times branching ratio relative to Σ∗(1385)± and K∗(892)+.
We present a search for a pentaquark decaying strongly to pK0S in γN collisions at a center-of-mass energy up to 25 GeV/c2. Finding no evidence for such a state in the mass range of 1470 MeV/c2 to ...2200 MeV/c2, we set limits on the yield and on the cross section times branching ratio relative to Σ* (1385)± and K* (892) +.
Study of the D 0 → π − π + π − π + decay Link, J. M.; Yager, P. M.; Anjos, J. C. ...
Physical review. D, Particles, fields, gravitation, and cosmology,
3/2007, Volume:
75, Issue:
5
Journal Article
Transcranial direct current stimulation (tDCS) can produce a lasting polarity-specific modulation of cortical excitability in the brain, and it is increasingly used in experimental and clinical ...settings. Recent studies suggest that the after-effects of tDCS are related to molecular mechanisms of activity-dependent synaptic plasticity. Here we investigated the effect of DCS on the induction of one of the most studied N-methyl-d-aspartate receptor-dependent forms of long-term potentiation (LTP) of synaptic activity at CA3-CA1 synapses in the hippocampus. We show that DCS applied to rat brain slices determines a modulation of LTP that is increased by anodal and reduced by cathodal DCS. Immediate early genes, such as c-fos and zif268 (egr1/NGFI-A/krox24), are rapidly induced following neuronal activation, and a specific role of zif268 in the induction and maintenance of LTP has been demonstrated. We found that both anodal and cathodal DCS produce a marked subregion-specific increase in the expression of zif268 protein in the cornus ammonis (CA) region, whereas the same protocols of stimulation produce a less pronounced increase in c-fos protein expression in the CA and in dentate gyrus regions of the hippocampus. Brain-derived neurotrophic factor expression was also investigated, and it was found to be reduced in cathodal-stimulated slices. The present data demonstrate that it is possible to modulate LTP by using DCS and provide the rationale for the use of DCS in neurological diseases to promote the adaptive and suppress the maladaptive forms of brain plasticity.
A man with sarcoidosis and slurred speech Nicoletti, T.; Gaudino, S.; Colacicco, G. ...
European journal of neurology,
January 2020, Volume:
27, Issue:
1
Journal Article
Peer reviewed
Here we present a case of progressive multifocal leukoencephalopathy presenting with a pseudobulbar palsy in a sarcoidosis patient. PML complicating sarcoidosis is a rare occurrence, nonetheless, ...given the possibly of misrecognising the clinical entity, careful consideration should be given to patients with sarcoidosis presenting with new neurological findings and non-specific cerebral lesions. This article is protected by copyright. All rights reserved.
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