Tenth-Order QED Contribution to the Electron g-2 and an Improved Value of the Fine Structure Constant

This paper presents the complete QED contribution to the electron g-2 up to the tenth order. With the help of the automatic code generator, we have evaluated all 12672 diagrams of the tenth-order diagrams and obtained 9.16 (58)(\alpha/\pi)^5. We have also improved the eighth-order contribution obtaining -1.9097(20)(\alpha/\pi)^4, which includes the mass-dependent contributions. These results lead to a_e(theory)=1 159 652 181.78 (77) \times 10^{-12}. The improved value of the fine-structure constant \alpha^{-1} = 137.035 999 174 (35) [0.25 ppb] is also derived from the theory and measurement of a_e.Comment: 4 pages, 2 figures. Some numbers are slightly change

Asymptotics of Feynman Diagrams and The Mellin-Barnes Representation

It is shown that the integral representation of Feynman diagrams in terms of the traditional Feynman parameters, when combined with properties of the Mellin--Barnes representation and the so called {\it converse mapping theorem}, provide a very simple and efficient way to obtain the analytic asymptotic behaviours in both the large and small ratios of mass scales.Comment: References added. This is the version published in Physics Letters

Temperature Induced Fracturing of Rock Salt Mass

During the operation of gas storage caverns in rock salt mass the internal pressure changes during filling and withdrawal phases. Additionally temperature variations occur versus operation time. During withdrawal phases the temperature decreases which can lead to stress states in tensile regions at the cavern wall. Because the tensile strength of rock salt is relatively low compared to its compressive strength it is likely that tensile stresses lead to discrete fractures orthogonal to the direction of the tensile stresses. If fractures of this kind are created – whether vertical or horizontal – the gas will penetrate into the fracture at the relevant pressure and further extend the length of the fractures under certain circumstances. There are currently no theoretical approaches describing the manner in which the fractures might propagate into the not by temperature changes influenced rock salt mass during repeated cyclic pressure changes. This aspect is topic of prospective research. Salt caverns cannot be entered but only explored by sonar measurements, with which it is not possible to detect tensile fractures at the cavern wall. Within this paper examples from mining configurations will be shown where temperature changes lead to tensile fractures in the surrounding rock salt. These fractures have been well mapped while the temperature development is well documented. The paper deals with recalculations under consideration of different salt properties of the temperature distributions and the resulting stress state in the surrounding rock salt mass. The stress calculation results and the consequences for the dimensioning of natural gas caverns are going to be discussed and assessed

Diffuse venting at the ASHES hydrothermal field : heat flux and tidally modulated flow variability derived from in situ time-series measurements

Author Posting. © American Geophysical Union, 2016. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geochemistry, Geophysics, Geosystems 17 (2016): 1435–1453, doi:10.1002/2015GC006144.Time-series measurements of diffuse exit-fluid temperature and velocity collected with a new, deep-sea camera, and temperature measurement system, the Diffuse Effluent Measurement System (DEMS), were examined from a fracture network within the ASHES hydrothermal field located in the caldera of Axial Seamount, Juan de Fuca Ridge. The DEMS was installed using the HOV Alvin above a fracture near the Phoenix vent. The system collected 20 s of 20 Hz video imagery and 24 s of 1 Hz temperature measurements each hour between 22 July and 2 August 2014. Fluid velocities were calculated using the Diffuse Fluid Velocimetry (DFV) technique. Over the ∼12 day deployment, median upwelling rates and mean fluid temperature anomalies ranged from 0.5 to 6 cm/s and 0°C to ∼6.5°C above ambient, yielding a heat flux of 0.29 ± 0.22 MW m−2 and heat output of 3.1± 2.5 kW. Using a photo mosaic to measure fracture dimensions, the total diffuse heat output from cracks across ASHES field is estimated to be 2.05 ± 1.95 MW. Variability in temperatures and velocities are strongest at semidiurnal periods and show significant coherence with tidal height variations. These data indicate that periodic variability near Phoenix vent is modulated both by tidally controlled bottom currents and seafloor pressure, with seafloor pressures being the dominant influence. These results emphasize the importance of local permeability on diffuse hydrothermal venting at mid-ocean ridges and the need to better quantify heat flux associated with young oceanic crust.NSF Grant Numbers: OCE-1131772, OCE-1131455, OCE-1337473; University of Washington, and the NSF award Grant Number: OCE-09579382016-10-2

Advances in Computational Intelligence with Applications in Finance and Molecule Design

Diese Dissertation nutzt Techniken der Computational Intelligence in drei verschiedenen Bereichen. Im inanzsektor ist die Vorhersage zukünftiger Unternehmensgewinne entscheidend für Investitionen. Daher werden verschiedene Deep-Learning-Modelle eingesetzt, um Quartals- und Tagesaktiendaten zu analysieren, mit dem Ziel, genauere Vorhersagen als traditionelle Analystenschätzungen zu liefern. Der zweite Abschnitt befasst sich mit der Entwicklung von antiviralen Medikamenten, insbesondere mit der Unterbindung der viralen Replikation durch Proteaseinhibitoren. Es werden zwei neuartige evolutionäre Algorithmen zur Identifizierung geigneter roteaseinhibitoren vorgestellt, die durch Molekulardynamik-Simulationen weiter untersucht werden. Der letzte Abschnitt führt die Convolutional Self-Organizing Map für die Datenvisualisierung unter Berücksichtigung von High-Level-Features ein. Zur Bewertung der semantischen Korrelationen innerhalb der Daten werden mehrere Metriken vorgeschlagen

Lepton anomalous magnetic moments - a theory update

Standard Model contributions to the electron, muon, and tau lepton anomalous magnetic moments, a_l=(g_l-2)/2, are reviewed and updated. The fine structure constant is obtained from the electron g_e-2 and used to refine the QED contribution to the muon g_mu-2. Recent advances in electroweak and hadronic effects on g_mu-2 are summarized. Examples of ``New Physics'' probed by the a_mu Brookhaven experiment E821 are outlined. The prediction for a_tau is also given.Comment: 8 pages; invited talk at the 5th International Workshop on Tau Lepton Physics (Tau'98), September 1998, Santander, Spai

Para-Carboxy Modified Amphiphilic Calixarene, Self-Assembly and Interactions with Pharmaceutically-Relevant Molecules

The self-assembly properties of the amphiphilic 5,11,17,23-tetra-carboxy-25,26,27,28-tetradodecyloxycalix[4]arene have been investigated at the air–water interface as monomolecular Langmuir layers and in water. The interactions of this amphiphile with salicylic acid (SA), acetyl-salicylic acid (ASA) and acetaminophene (APAP) have been studied at the air–water interface by means of the Langmuir balance technique. It has been demonstrated that the calix-arene molecules, when self-assembled as Langmuir monolayers, have the ability to interact with all the tested compounds. While APAP causes a stabilization of the monolayer, ASA and SA cause a slight loss of stability and a drastic change of the compressibility of the monolayer. The study of the self-assembly properties of the title compound in water revealed that this amphiphile can be self-assembled as solid lipid nanoparticles (SLNs). The atomic force microscopy investigations of the colloidal suspension, spread on a solid surface and dried, revealed the coexistence of the SLNs with layered structures

Recent Progress in Perturbative Quantum Field Theory

In this talk, the recent breakthrough in two-loop perturbative calculations is reviewed, with emphasis on the applications to phenomenological studies. The recent precision measurement of the anomalous magnetic moment of the muon by the Brookhaven g-2 collaboration is also used as an illustrative example of the importance of Standard Model precision perturbative calculations to further our understanding of Nature.Comment: Plenary talk given at ICHEP02, July 24-31, 2002, Amsterda

Pengaruh Pupuk Kandang Dan Kapasitas Air Pada Pertumbuhan Dan Hasil Tanaman Kedelai (Glycine Max (L.) Merr)

Kedelai (Glycine max (L.) Merr) merupakan tanaman pangan yang terpenting ketiga setelah padi dan jagung. Budidaya tanaman kedelai dengan pemupukan anorganik secara terus-menerus dan berlebihan akan menyebabkan kandungan bahan organik tanah semakin berkurang. Peningkatan kesuburan tanah dapat dilakukan dengan penambahan bahan organik. Bahan organik tanah dapat ditingkatkan dengan pemberian bahan organik berupa pupuk kandang ke dalam tanah. Tanah mempunyai hubungan yang sangat erat dengan air, setiap perlakuan yang diberikan pada sebidang tanah akan mempengaruhi tata air pada tempat itu. Tujuan dari penelitian ini ialah untuk mengetahui efektivitas penambahan pupuk kandang dalam mengurangi jumlah air yang diberikan pada tanaman kedelai. Hipotesis dari penelitian ini ialah semakin besar jumlah pupuk kandang pada tanah, maka semakin berkurang jumlah air yang diberikan. Penelitian dilaksanakan di Green House Kelompok Tani Angkasa, Landasan Udara Abdulrachman Saleh Malang. Penelitian dilaksanakan dari bulan Mei-Juli 2017. Alat-alat yang digunakan dalam penelitian ini adalah timbangan, gelas ukur, tugal, penggaris, kertas label, polybag dan kamera digital. Bahan yang digunakan adalah benih kedelai varietas Gema, pupuk kandang kambing, pupuk Urea (46% N), SP-36 (36% P205), KCl (60% K2O), polybag dengan ukuran 35 x 35 cm (diameter 20 cm), air dan tanah. Penelitian ini menggunakan Rancangan Acak Kelompok Faktorial (RAKF), terdiri dari 2 faktor yang diulang 3 kali, faktor 1, yaitu: A0 = Tanpa pupuk kandang, A1 = Pupuk kandang 20 ton ha-1 dan A2 = Pupuk kandang 30 ton ha-1. Sedangkan faktor 2, yaitu: B1 = 100% Kapasitas lapang, B2 = 75% Kapasitas lapang dan B3 = 50% Kapasitas lapang. Pengamatan dilakukan pada 14 hst, 28 hst, 42 hst, dan 56 hst. Parameter panen pada 73 hst. Data pengamatan yang diperoleh dianalisa dengan menggunakan analisa ragam (uji F) pada taraf 5%. Dari hasil pengujian didapat pengaruh, maka dilanjutkan dengan uji perbandingan antar perlakuan dengan menggunakan uji Beda Nyata Jujur (BNJ) pada taraf 5%. Hasil yang diperoleh menunjukkan bahwa pemberian pupuk kandang 30 ton ha-1 dengan 100% kapasitas lapang memberikan hasil lebih tinggi dibandingkan perlakuan lainnya. Hal ini dapat ditunjukkan oleh penambahan pupuk kandang 30 ton ha-1 dengan 100% kapasitas lapang memberikan hasil bobot biji per tanaman 16,67% dan 22,48% lebih tinggi dibandingkan perlakuan pupuk kandang 30 ton ha-1 dengan 75% kapasitas lapang dan pupuk kandang 30 ton ha-1 dengan 50% kapasitas lapang

Einsatz elastischer Niederhaltersysteme zur Erweiterung der Prozeßgrenzen beim Tiefziehen

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