984 research outputs found

    Psoriasiform Sarcoidosis Presenting in Pregnancy and Treatment Considerations

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    Cutaneous sarcoidosis is a common presentation for patients with sarcoidosis. Rarely, patients can present with psoriasiform lesions mimicking chronic plaque psoriasis. Here, we present a case of psoriasiform sarcoidosis in a pregnant patient. Pregnancy represents a unique challenge to systemic treatments if topical management fails. Tumor necrosis factor alpha inhibitors warrant special consideration during pregnancy

    Extragenital Blaschkoid lichen sclerosus et atrophicus in a child

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    Lichen sclerosus et atrophicus is a chronic inflammatory skin disease that typically affects prepubertal girls and peri- or post-menopausal women in genital and perineal areas. In some cases, it can also manifest as extragenital lesions. Extragenital Blaschkoid lesions have infrequently been reported. Here, we report a case of extragenital Blaschkoid lichen sclerosus et atrophicus in a child

    Signature of Sub GeV Dark Matter particles at LHC and TEVATRON

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    In this letter, we investigate the production of light dark matter particles at LHC in light of the model (N = 2 SUSY inspired) proposed in Ref. [1] and demonstrate that they will be copiously produced if the colored messengers Fq are lighter than 1 TeV. We expect up to a million events if the Fq mass is about 500 GeV, assuming a ~1 inverse fb luminosity. In addition, we show that, even if the Fq mass is above a few TeV, searches for Fq production at LHC are promising because a kinematical signature can be used to separate the signal from background. This signature is similar to that expected in supersymmetric scenarios. Hence, our study shows that most of the Fq mass range could be constrained using LHC data. This should encourage further studies since they could infirm/confirm the MeV DM scenario.Comment: 4 page

    Assessing the potential for reopening a building stone quarry : Newbigging Sandstone Quarry, Fife

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    Newbigging Sandstone Quarry in Fife is one of a number of former quarries in the Burntisland- Aberdour district which exploited the pale-coloured Grange Sandstone from Lower Carboniferous rocks. The quarry supplied building stone from the late 19th century, working intermittently from 1914 until closure in 1937, and again when reopened in the 1970s to the 1990s. The stone was primarily used locally and to supply the nearby markets in the Scottish Central Belt. Historical evidence indicates that prior to sandstone extraction, the area was dominated by largescale quarrying and mining of limestone, and substantial sandstone quarrying is likely to have begun after the arrival of the main railway line in 1890. It is probable that removal of the sandstone was directly associated with limestone exploitation, and that the quarried sandstone was effectively a by-product of limestone production. Sandstone extraction was probably viable due to the existing limestone quarry infrastructure (workforce, equipment, transportation) and the high demand for building stone in Central Scotland in the late 19th century. The geology within Newbigging Sandstone Quarry is dominated by thick-bedded uniform sandstone with a wide joint spacing, well-suited for obtaining large blocks. However, a mudstone (shale) band is likely to be present within a few metres of the principal (north) face of the quarry, around which the sandstone bed thickness and quality is likely to decrease. The mudstone bed forms a plane sloping at a shallow angle to the north, so that expansion of the quarry in this direction is likely to encounter a considerable volume of poor quality stone. Additionally, an east-west trending fault is present approximately 100 metres north of the quarry face, which is also likely to be associated with poor quality (fractured) stone

    Spain's Cooperative Role in Culture and Communication (1997-2007). Summary of a Decade of Exchanges with Latin America

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    Se presentan los principales resultados de la investigación Estado y prospectiva de la cooperación. El texto española con el resto de Iberoamérica en cultura-comunicación, 1997-2007 ofrece un balance de las iniciativas que tuvieron lugar durante el período analizado por país, sector cultural, agentes implicados y tipos de actividad. Se analiza el papel de España en materia de cooperación en cultura-comunicación y se reflexiona acerca de la posibilidad de construir un espacio cultural iberoamericano de cara al nuevo escenario digital.This article outlines the main results of the following study: Spain's Cooperation with Latin America for Culture and Communication, 1997-2007. The text provides a summary of the initiatives carried out during the given decade, analyzed according to country, cultural sector, involved parties and types of activities. The cooperative role of Spain in culture and communication is examined, including the possibility of building a Latin American cultural space for the new digital scenario.Publicad

    Spanish Cooperation in Culture and Communication between 1997 and 2007: an overview of a decade of exchanges with Ibero-America

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    This article presents the main results of the investigation "Current Situation and Prospects of Spanish Cooperation in Culture and Communication with the Rest of Ibero-America, 1997–2007". The text offers an overview of the initiatives which took place during the period studied by country, cultural sector, agents involved, and type of activity. Spain’s role in terms of cooperation in culture and communication is analysed, and a reflection on the possibility of creating and building an Ibero-American cultural space appropriate to the new digital scene is also included.Publicad

    The Higgs boson in the MSSM in light of the LHC

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    We investigate the expectations for the light Higgs signal in the MSSM in different search channels at the LHC. After taking into account dark matter and flavor constraints in the MSSM with eleven free parameters, we show that the light Higgs signal in the gammaγgamma\gamma channel is expected to be at most at the level of the SM Higgs, while the hbbˉh\rightarrow b\bar{b} from W fusion and/or the hττˉh \rightarrow\tau\bar\tau can be enhanced. For the main discovery mode, we show that a strong suppression of the signal occurs in two different cases: low MAM_A or large invisible width. A more modest suppression is associated with the effect of light supersymmetric particles. Looking for such modification of the Higgs properties and searching for supersymmetric partners and pseudoscalar Higgs offer two complementary probes of supersymmetry.Comment: 19 pages, 8 figure

    Probing neutralino dark matter in the MSSM & the NMSSM with directional detection

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    We investigate the capability of directional detectors to probe neutralino dark matter in the Minimal Supersymmetric Standard Model and the Next-to-Minimal Supersymmetric Standard Model with parameters defined at the weak scale. We show that directional detectors such as the future MIMAC detector will probe spin dependent dark matter scattering on nucleons that are beyond the reach of current spin independent detectors. The complementarity between indirect searches, in particular using gamma rays from dwarf spheroidal galaxies, spin dependent and spin independent direct search techniques is emphasized. We comment on the impact of the negative results on squark searches at the LHC. Finally, we investigate how the fundamental parameters of the models can be constrained in the event of a dark matter signal.Comment: 21 pages, 16 figure
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