Scalar and Tensor Couplings in Kaon Decays

In the past few years charged kaon experiments have indicated possible scalar and tensor couplings in semileptonic kaon decays(K --> pi e nu). These couplings, if correct, are not predicted by the Standard Model and may indicate the onset of new physics. We present a summary of the existing data and a new, precision measurement of these couplings in the neutral kaon system based on a 3% subset of the data taken by the KTeV (E799) experiment at Fermilab

The Decline of Upland Birds in Nebraska: Maximizing Limited Habitat

Ring-necked Pheasants were introduced into the United States around 150 years ago and since then have become an important species both culturally and economically. There population health is of growing concern as upland bird populations in much of the United States have been declining rapidly throughout the latter half of the last century. In Nebraska millions of acres have been transformed from habitat that benefits upland birds into row crop agriculture, mostly in the form of corn and soybeans. Rural Mail Carrier Surveys conducted for pheasants from 1960 through 2020 in comparison to change in acres harvested depict the relationship and correlation between the two variables. With less available habitat for upland birds, it is important for wildlife habitat managers, and landowners especially those enrolled in CRP to create the most effective habitats with limited acres. Educating and enrolling more managers on how to create better habitat is the only chance at sustaining populations

Beam Halo Monitoring at CDF

Losses from the proton and antiproton beams of the Fermilab Tevatron have been shown to produce a halo which contribute to backgrounds to physics signals in the Collider Detector at Fermilab (CDF). To provide a measure of the beam halo and losses, we have installed arrays of scintillation counters on both sides of the CDF detector. We describe here the physical configuration of these counters, their implementation and performance within the Fermilab Accelerator Control Network (ACNET). We show correlations between these new devices and the accelerator operating conditions. We point out that the use of these monitors is leading to improvement in the accelerator operations and reduced backgrounds in CDF.Comment: 27 pages, 17 figures, submitted to NIM

Measurement of the radiation field surrounding the Collider Detector at Fermilab

We present here the first direct and detailed measurements of the spatial distribution of the ionizing radiation surrounding a hadron collider experiment. Using data from two different exposures we measure the effect of additional shielding on the radiation field around the Collider Detector at Fermilab (CDF). Employing a simple model we parameterize the ionizing radiation field surrounding the detector.Comment: PDF document, 5 pages, including 10 encapsulated postscript figures: Proceedings for the IEEE/NSS-MIC 2003 Conference, Portland, Oregon, October 19-25, 200

Kommunikation von Bildern

In dieser Arbeit untersuche ich die Idee zu einer körperlichen Wahrnehmung von Körperfotografien mit unterschiedlichen Forschungsinstrumenten. Ziel ist eine Schärfung der Erkenntnisse über körperliche Wahrnehmung von Formen während des Betrachtens von Bildern. Ich habe den Verdacht, dass rundliche Formen auf Körperfotografien vom Rezipienten intensiver körperlich wahrgenommen werden können als eckige. Die Entwicklung des Forschungsdesigns erfolgt zunächst aus einem empirischen kommunikationswissenschaftlichen Kontext. Zur Erfassung der Formen führe ich eine semiotische Analyse an zwei Körperfotografien aus Kunst und Werbung durch. Anschliessend nähere ich mich dem Phänomen der körperlichen Wahrnehmung auf philosophischen Wegen, um es beschreibbar zu machen. Diese Mehrgleisigkeit mündet in der Erkenntnis, dass die Forschungsfrage, ob rundliche Formen in Körperfotografien intensiver körperlich wahrgenommen werden können als eckige, (noch) nicht beantwortet werden kann. Um zu einem Ergebnis im Sinne meiner wissenschaftlichen Fragestellung zu gelangen, könnte eine Erweiterung des Forschungshorizontes durch eine Verknüpfung empirischer und deskriptiver Ansätze ein nächster Schritt sein

Beam induced backgrounds: CDF experience

We summarize the experiences of the Collider Detector at Fermilab (CDF) experiment in the presence of backgrounds originating from the counter circulating beams in the Fermilab Tevatron. These backgrounds are measured and their sources identified. Finally, we outline the strategies employed to reduce the effects of these backgrounds on the experiment