• Title/Summary/Keyword: Jason Koo

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Bad Subjects and the Transnational Minjung: The Poetry of Jason Koo and Ed Bok Lee

  • Grotjohn, Robert
    • Journal of English Language & Literature
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    • v.64 no.3
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    • pp.307-327
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    • 2018
  • In light of Korean inclusion of its diaspora as part of the nation, a "creolized" approach that brings together constructions of the bad subject of Asian American studies with conceptions of the Korean minjung grounds an analysis of two poets as they might be considered from a bi-national, Korean and U.S. American, perspective. The poets Ed Bok Lee and Jason Koo show different ways of being the bad subject. Lee is clearly a bad American subject, resisting American white racial hegemony, and his poetry often addresses a kind of American minjung multiculturalism, as is shown in poems from his first two books Real Karaoke People and Whorled. He challenges some aspects of contemporary Korea, and might be a kind of Korean bad subject in those challenges. Koo, on the other hand, resists the call to bad subjectivity, so that his poetry may not fit the preferred paradigm of Asian American studies, as he recognizes. As he resists that paradigm, he also gives little attention to his Korean heritage, so his not-bad American subjectivity becomes bad Korea subjectivity. He recovers some measure of badness in the final poem of Man on Extremely Small Island when he connects briefly to his Korean heritage and his Asian American present. The creolized juxtaposition of the bad subject with the minjung suggests the use of these poems in considering both American and Korean society.

6MV Photon Beam Commissioning in Varian 2300C/D with BEAM/EGS4 Monte Carlo Code

  • Kim, Sangroh;Jason W. Sohn;Cho, Byung-Chul;Suh, Tae-Suk;Choe, Bo-Yong;Lee, Hyoung-Koo
    • Proceedings of the Korean Society of Medical Physics Conference
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    • 2002.09a
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    • pp.113-115
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    • 2002
  • The Monte Carlo simulation method is a numerical solution to a problem that models objects interacting with other objects or their environment based upon simple object-object or object-environment relationships. In spite of its great accuracy, It was turned away because of long calculation time to simulate a model. But, it is used to simulate a linear accelerator frequently with the advance of computer technology. To simulate linear accelerator in Monte Carlo simulations, there are many parameters needed to input to Monte Carlo code. These data can be supported by a linear accelerator manufacturer. Although the model of a linear accelerator is the same, a different characteristic property can be found. Thus, we performed a commissioning process of 6MV photon beam in Varian 2300C/D model with BEAM/EGS4 Monte Carlo code. The head geometry data were put into BEAM/EGS4 data. The mean energy and energy spread of the electron beam incident on the target were varied to match Monte Carlo simulations to measurements. TLDs (thermoluminescent dosimeter) and radiochromic films were employed to measure the absorbed dose in a water phantom. Beam profile was obtained in 40cm${\times}$40cm field size and Depth dose was in 10cm${\times}$10cm. At first, we compared the depth dose between measurements and Monte Carlo simulations varying the mean energy of an incident electron beam. Then, we compared the beam profile with adjusting the beam radius of the incident electron beam in Monte Carlo simulation. The results were found that the optimal mean energy was 6MV and beam radius of 0.1mm was well matched to measurements.

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