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Power Electronic Materials Research to Enable Next Generation GaN Power Switches
Charles R. “Chip” Eddy,N. Nepal,V.R. Anderson,C.R. English,N.Y. Garces,V.D. Wheeler,B.N. Feigelson,J.D. Greenlee,M.J. Tadjer,A.D. Koehler,T.J. Anderson,T.I. Feygelson,B.B. Pate,M.A. Mastro,F.J. Kub,K. 한국진공학회 2017 한국진공학회 학술발표회초록집 Vol.2017 No.8
Sensitivity of the Advanced LIGO detectors at the beginning of gravitational wave astronomy
Martynov, D. V.,Hall, E. D.,Abbott, B. P.,Abbott, R.,Abbott, T. D.,Adams, C.,Adhikari, R. X.,Anderson, R. A.,Anderson, S. B.,Arai, K.,Arain, M. A.,Aston, S. M.,Austin, L.,Ballmer, S. W.,Barbet, M.,Bar American Physical Society 2016 Physical Review D Vol.93 No.11
Exploring the sensitivity of next generation gravitational wave detectors
Abbott, B P,Abbott, R,Abbott, T D,Abernathy, M R,Ackley, K,Adams, C,Addesso, P,Adhikari, R X,Adya, V B,Affeldt, C,Aggarwal, N,Aguiar, O D,Ain, A,Ajith, P,Allen, B,Altin, P A,Anderson, S B,Anderson, W Institute of Physics 2017 Classical and quantum gravity Vol.34 No.4
<P>The second-generation of gravitational-wave detectors are just starting operation, and have already yielding their first detections. Research is now concentrated on how to maximize the scientific potential of gravitational-wave astronomy. To support this effort, we present here design targets for a new generation of detectors, which will be capable of observing compact binary sources with high signal-to-noise ratio throughout the Universe.</P>
Tam, Clarence C.,Anderson, Kathryn B.,Offeddu, Vittoria,Weg, Alden,Macareo, Louis R.,Ellison, Damon W.,Rangsin, Ram,Fernandez, Stefan,Gibbons, Robert V.,Yoon, In-Kyu,Simasathien, Sriluck The American Society of Tropical Medicine and Hygi 2018 The American journal of tropical medicine and hygi Vol.99 No.4
<P><B>Abstract.</B></P><P>Military recruits are at high risk of respiratory infections. However, limited data exist on military populations in tropical settings, where the epidemiology of respiratory infections differs substantially from temperate settings. We enrolled recruits undertaking a 10-week military training at two Royal Thai Army barracks between May 2014 and July 2015. We used a multiplex respiratory panel to analyze nose and throat swabs collected at the start and end of the training period, and from participants experiencing respiratory symptoms during follow-up. Paired sera were tested for influenza seroconversion using a hemagglutinin inhibition assay. Overall rates of upper respiratory illness and influenza-like illness were 3.1 and 2.0 episodes per 100 person-weeks, respectively. A pathogen was detected in 96% of samples. The most commonly detected microbes were <I>Haemophilus influenzae</I> type B (62.7%) or non–type B (58.2%) and rhinovirus (22.4%). At baseline, bacterial colonization was high and included <I>H. influenzae</I> type B (82.3%), <I>H. influenzae</I> non–type B (31.5%), <I>Klebsiella pneumoniae</I> (14.6%), <I>Staphylococcus aureus</I> (8.5%), and <I>Streptococcus pneumoniae</I> (8.5%). At the end of follow-up, colonization with <I>H. influenzae</I> non–type B had increased to 74.1%, and <I>S. pneumoniae</I> to 33.6%. In the serology subset, the rate of influenza infection was 3.4 per 100 person-months; 58% of influenza infections resulted in clinical disease. Our study provides key data on the epidemiology and transmission of respiratory pathogens in tropical settings. Our results emphasize the need for improved infection prevention and control in military environments, given the high burden of illness and potential for intense transmission of respiratory pathogens.</P>
Scaling properties at freeze-out in relativistic heavy-ion collisions
Aggarwal, M. M.,Ahammed, Z.,Alakhverdyants, A. V.,Alekseev, I.,Alford, J.,Anderson, B. D.,Anson, C. D.,Arkhipkin, D.,Averichev, G. S.,Balewski, J.,Barnby, L. S.,Beavis, D. R.,Bellwied, R.,Betancourt, American Physical Society 2011 PHYSICAL REVIEW C - Vol.83 No.3
Longitudinal spin transfer toΛandΛ¯hyperons in polarized proton-proton collisions ats=200 GeV
Abelev, B. I.,Aggarwal, M. M.,Ahammed, Z.,Alakhverdyants, A. V.,Anderson, B. D.,Arkhipkin, D.,Averichev, G. S.,Balewski, J.,Barannikova, O.,Barnby, L. S.,Baumgart, S.,Beavis, D. R.,Bellwied, R.,Benedo American Physical Society 2009 PHYSICAL REVIEW D - Vol.80 No.11
Observation of the antimatter helium-4 nucleus
Agakishiev, H.,Aggarwal, M. M.,Ahammed, Z.,Alakhverdyants, A. V.,Alekseev, I.,Alford, J.,Anderson, B. D.,Anson, C. D.,Arkhipkin, D.,Averichev, G. S.,Balewski, J.,Beavis, D. R.,Behera, N. K.,Bellwied, Nature Publishing Group, a division of Macmillan P 2011 Nature Vol.473 No.7347
High-energy nuclear collisions create an energy density similar to that of the Universe microseconds after the Big Bang; in both cases, matter and antimatter are formed with comparable abundance. However, the relatively short-lived expansion in nuclear collisions allows antimatter to decouple quickly from matter, and avoid annihilation. Thus, a high-energy accelerator of heavy nuclei provides an efficient means of producing and studying antimatter. The antimatter helium-4 nucleus (), also known as the anti-慣 (), consists of two antiprotons and two antineutrons (baryon number B = ??4). It has not been observed previously, although the 慣-particle was identified a century ago by Rutherford and is present in cosmic radiation at the ten per cent level. Antimatter nuclei with B??<????1 have been observed only as rare products of interactions at particle accelerators, where the rate of antinucleus production in high-energy collisions decreases by a factor of about 1,000 with each additional antinucleon. Here we report the observation of , the heaviest observed antinucleus to date. In total, 18 counts were detected at the STAR experiment at the Relativistic Heavy Ion Collider (RHIC; ref. 6) in 10<SUP>9</SUP> recorded gold-on-gold (Au+Au) collisions at centre-of-mass energies of 200??GeV and 62??GeV per nucleon??nucleon pair. The yield is consistent with expectations from thermodynamic and coalescent nucleosynthesis models, providing an indication of the production rate of even heavier antimatter nuclei and a benchmark for possible future observations of in cosmic radiation.