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YorkSpace is York University's Institutional Repository. It supports York University's Senate Policy on Open Access by providing York community members with a place to preserve their research online in an institutional context.

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    Double differential ionization cross sections of positron impact on argon
    (IOP Publishing, 2012-11-05) Campeanu, Radu I.; Alam, M.
    The ionization of the 3p orbitals of argon by 100 eV incident positrons is studied with the DWBA approximation.
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    Ionization of the water molecule by electron and positron impact
    (IOP Publishing, 2010-01-29) Tóth, I.; Campeanu, Radu I.; Chiş, V.; Nagy, L.
    Theoretical cross-sections for the ionization of the water molecule by electron and positron impact are presented. The calculations were performed in the framework of the simpler CPE and two distorted-wave models, ES and TS, by employing Gaussian wavefunctions for the description of the target. We found good agreement with the experiment, especially for higher impact energies.
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    DWBA calculation of positron impact ionization of argon
    (IOP Publishing, 2011-01-18) Campeanu, Radu I.; Alam, M.
    The ionization of the 3p and 3s orbitals of argon by 200 eV incident positrons is studied with the DWBA approximation. Our TDCS results for the 3p orbital ionization are found to be in good agreement with recent CDW-EIS data.
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    Learning from History: Program Reviews and Public Safety
    (Policy Options, 2011-02-01) Cohn, Daniel; Foster, Lorne; Greene, Ian
    Canada appears headed for a new round of 1990-style program reviews aimed at producing spending restraint. This article uses evidence from two provincial inquiries into failures of government to caution that conducting such reviews on a whole-of-government basis creates too large a task to undertake without endangering the lives of Canadians. The danger involved is magnified further when the task is done in an atmosphere of crisis. In order to effect sound public management, program reviews should be done not on a whole-of-government basis but at known periodic intervals in individual ministries or program areas.
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    Chaoulli Ten Years On: Still About Nothing?
    (2015) Cohn, Daniel
    Five years ago this author presented the paper Chaoulli Five Years On: All Bark and No Bite? The paper argued that five years after the Supreme Court of Canada’s Chaoulli v. Quebec ruling, there was still no noticeable impact on Canada’s system of provincial single-payer universal health insurance plans. The paper argued that this was because the large life and health insurance firms had little if any interest in competing with publicly funded health insurance in Canada and because politicians saw little to gain by going down that road. Ten years on, even as the opponents of the present health insurance regime try to use Chaoulli v. Quebec to force changes in the laws of other provinces, this is still, for the most part, the case. Unlike the legendary comedy program Sienfeld, Chaoulli v. Quebec is not totally about nothing. However, so far, it has proven to be about as close to being about nothing as any ruling of the Supreme Court is likely to get.