نتایج جستجو برای: d plot of yp
تعداد نتایج: 21225361 فیلتر نتایج به سال:
The formalism of Dalitz-plot analysis is reviewed in the preceding note. Recent studies of multi-body decays of charm mesons probe a variety of physics, including γ/φ 3 , D 0 –D 0 mixing, searches for CP violation, doubly Cabibbo-suppressed decays, and properties of S-wave ππ, Kπ, and K ¯ K resonances. In the following, we discuss: (1) D 0 → K 0 S π + π − ; (2) doubly Cabibbo-suppressed decays;...
From Dalitz-plot analyses of D → πππ and D → Kππ decays, we find evidence for light and broad scalar resonances σ(500) and κ(800). From a Dalitz-plot analysis of D s → π ππ decays, we measure the masses and decay widths of the scalar resonances f0(980) and f0(1370).
We report the discovery of deuterium absorption in the very metal-poor ([Fe/H]=−2.88) damped Lyman-α system at zabs = 3.06726 toward the QSO SDSS J1358+6522. On the basis of 13 resolved D i absorption lines and the damping wings of the H i Lyman α transition, we have obtained a new, precise measure of the primordial abundance of deuterium. Furthermore, to bolster the present statistics of preci...
The IEEE Power Electronics Society (PELS) Students and Young Professionals (S&YP) Committee launched a new initiative in July 2023; the PELS S&YP Spotlight Program. goals of this spotlight program lie at core committee’s mission, which is to support engagement development students early career engineers PELS. By highlighting work accomplishments members, aims connect organizational committee wi...
We studied the regulation of the yolk protein (YP) genes in the somatic cells of the gonads, using temperature sensitive mutations (tra-2ts) of transformer-2, a gene required for female sexual differentiation. XX;tra-2ts mutant animals were raised at the permissive temperature so that they developed as females and were then shifted to the restrictive male-determining temperature either 1-2 days...
Approximately two thirds of migratory songbirds in eastern North America negotiate the Gulf of Mexico (GOM), where inclement weather coupled with no refueling or resting opportunities can be lethal. However, decisions made when navigating such features and their consequences remain largely unknown due to technological limitations of tracking small animals over large areas. We used automated rad...
Cell walls were prepared from the yeastlike and mycelial phases (YP and MP) of Histoplasma capsulatum and from Saccharomyces cerevisiae by mechanical disruption and washing. Lipids were extracted with methanol-ether, chloroform, and acidified methanol:ether; a final extraction was made with ethylenediamine. The lipid contents of H. capsulatum YP and MP walls were about the same. Qualitative and...
Humoral and cellular immune response of mice challenged with Yersinia pestis antigenic preparations.
OBJECTIVES The plague, which is an infectious disease caused by Yersinia pestis, still threatens many populations in several countries. The worldwide increase in human plague cases and the potential use of the bacteria as a biological weapon reinforce the need to study the immunity that is induced by potential vaccine candidates. To determine the immunogenicity of antigenic preparations based o...
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