21,649 research outputs found

    Search for solar axions: CAST

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    The CERN Axion Solar Telescope (CAST) is searching for axions produced in the Sun's core by the Primakoff process. CAST is using a decommissioned Large Hadron Collider (LHC) test magnet where axions could be converted back into X-rays with energies up to 10 keV. Analysis of the 2003 data showed no signal above background implying an upper limit for the axion-photon coupling constant gagg < 1.16 X 10 ^-10 GeV exp -1 at 95% C.L. for ma . 0.02 eV [1]. The higher quality 2004 data is presently under analysis. CAST Phase II is scheduled to start in late 2005. This will be the first step in extending CAST's sensitivity to axion rest masses up to ~ 1 eV

    SOME RESULTS ON COLOMBEAU PRODUCT OF DISTRIBUTIONS

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    In this paper some results on singular products of distributions are derived. The results are obtained in Colombeau algebra of generalized functions, which is most relevant algebraic construction for tackling nonlinear problems of Schwartz distributions

    BreastScreen Australia monitoring report 2012–2013

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    The BreastScreen Australia monitoring report 2012–2013 presents the latest national statistics in the monitoring of BreastScreen Australia, which aims to reduce illness and death resulting from breast cancer through organised screening to detect cases of unsuspected breast cancer in women, thus enabling early intervention. Around 55% of women in the target age group 50–69 took part in the program, with more than 1.4 million women screening in 2012–2013. Breast cancer mortality in 2012 was 44 deaths per 100,000 women
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