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Implications of diphoton searches for a radion in the bulk-Higgs scenario
Cox, Peter,Medina, Anibal D.,Ray, Tirtha Sankar,Spray, Andrew World Scientific Publishing Company 2017 International Journal of Modern Physics A Vol.32 No.4
<P>In this work, we point out that the apparent diphoton excess initially presented by the ATLAS and CMS collaborations could have originated from a radion in the bulk Higgs scenario within a warped extra dimension. In this scenario, the couplings of the radion to massive gauge bosons are suppressed, allowing it to evade existing searches. In the presence of mixing with the Higgs, due to the strong constraints from diboson searches, only points near what we denominate the alignment region were able to explain the diphoton signal and evade other experimental constraints. In light of the new measurements presented at ICHEP 2016 by both LHC collaborations, which do not confirm the initial diphoton excess, we study the current and future collider constraints on a radion within the bulk-Higgs scenario. We find that searches in the diphoton channel provide the most powerful probe of this scenario and already exclude large regions of parameter space, particularly for smaller warp factors. The radion has a sizeable branching ratio into top pairs and this channel may also give competitive constraints in the future. Finally, di-Higgs searches can provide a complementary probe in the case of nonzero radion-Higgs mixing but strong alignment.</P>
The Comparability of a Facial Expression Scale with a Verbal-numeric Scale
Cox, Steven,Woo-Young Lee 연세대학교 산업경영연구소 1977 산업과경영 Vol.4 No.1
The results of this research indicates that a facial expression scale may be more reliable than a verbal-numeric scale in the detection of the affective component of attitude. To the researcher wanting to assess states of affect on a "global basis", a facial expression scale may represent a significant improvement over previously available scale. A distressing aspect of this research was the size of the variation between periods for both groups. While the facial scale was better, neither scale was especially good. The fact that the mean number of changes was over fifty percent and that these changes averaged one and one-half scale units was a cause of considerable concern. Certainly the results can be explained in part by the low level of involvement in the task and the fact that reaction to a ten second viewing of thirty slides is a numbing experience. However, it is difficult to justify such widely divergent results on these bases alone since much of our research is in situations oflow degrees of involvement with excessive amounts of stimulation, especially in product comparison tasks. Although this is not a problem dealt with in this research, it certainly needs consideration. In conclusion, although the facial expression scale did provide more consistent responses than the verbal-numeric scale, a more important question may have been raised, that of the reliability of our testing measures oves time. Certainly future reseach should consider the meaningfulness of results from single testing situations.
Geometry: Do High School Mathematics Teachers really Need it?
Cox, Wesley Korean Society of Mathematical Education 2022 수학교육연구 Vol.25 No.3
A debate about the importance of geometry courses has existed for years. The questions have revolved around its significance to students and teachers alike. This study looks to determine whether a teacher taking a college-level geometry course has a positive relationship with their students' algebraic reasoning skills. Using data from the High School Longitudinal Study 2009 (HSLS09: Ingels et al., 2011, 2014), it was determined that 9th-grade teachers who took a college-level geometry course had a significant positive association with their students' 11th-grade algebraic reasoning scores. This study suggests that teachers who take geometry during college have a lasting effect on their students. The implications of these findings and how they may affect higher education are discussed.
Cox John C.,Coulter Alan R. 대한수의사회 1997 대한수의사회지 Vol.33 No.11
금세기초부터 갖가지 물질이 vaccine에 가해졌으며, 일정한 처방이 vaccine을 더욱 유효하게 만들기 위해서 고안되고 있다. 많은 선택권에도 불구하고 다만 aluminium 염(鹽)만이 사람용 vaccine adjuvant(면역응답강화물질)로 받아들여지고 있으며, 수의(동물)용 vaccine도 크게 aluminium 염의 사용에 의존하고 있다. 현재 많은 새로운 vaccine들이 개발되고 있으나 vaccine당 구성분의 수를 증가시키고 또한 vaccine 과정에서 요구되는 dose 수를 줄이는 vaccine 접종 schedule을 단순화시키고져 하는 욕구가 대두되고 있다. 이제 더욱 유효한 adjuvant들이 이 욕구를 성취시키기 위해서 요구되는 것이다.
Strain control of superlattice implies weak charge-lattice coupling inLa0.5Ca0.5MnO3
Cox, S.,Rosten, E.,Chapman, J. C.,Kos, S.,Calderó,n, M. J.,Kang, D.-J.,Littlewood, P. B.,Midgley, P. A.,Mathur, N. D. American Physical Society 2006 Physical review. B, Condensed matter and materials Vol.73 No.13
Complete characterization of quantum-limited timing jitter in passively mode-locked fiber lasers.
Cox, Jonathan A,Nejadmalayeri, Amir H,Kim, Jungwon,Kä,rtner, Franz X Optical Society of America 2010 Optics letters Vol.35 No.20
<P>We characterize the timing jitter of passively mode-locked, femtosecond, erbium fiber lasers with unprecedented resolution, enabling the observation of quantum-origin timing jitter up to the Nyquist frequency. For a pair of nearly identical 79.4MHz dispersion-managed lasers with an output pulse energy of 450pJ, the high-frequency jitter was found to be 2.6fs [10kHz, 39.7MHz]. The results agree well with theoretical noise models over more than three decades, extending to the Nyquist frequency. It is also found that unexpected noise may occur if care is not taken in optimizing the mode-locked state.</P>