Results 31 to 40 of about 13,447,510 (348)

The decay rate of orthopositronium [PDF]

AIP Conference Proceedings, 1991
We review recent measurements of the orthopositronium decay rate, λT, and present results of a new 230‐ppm measurement using the vacuum technique. It corroborates, at the 6.2 sigma level, the discrepancy between theory and a recent 200‐ppm measurement of λT in gases.
Nico, J. S., Gidley, David W., Rich, Arthur, Zitzewitz, Paul W.   +3 more
openaire   +2 more sources

The contribution of RNA decay quantitative trait loci to inter-individual variation in steady-state gene expression levels. [PDF]

PLoS Genetics, 2012
Recent gene expression QTL (eQTL) mapping studies have provided considerable insight into the genetic basis for inter-individual regulatory variation. However, a limitation of all eQTL studies to date, which have used measurements of steady-state gene ...
Athma A Pai, Carolyn E Cain, Orna Mizrahi-Man, Sherryl De Leon, Noah Lewellen, Jean-Baptiste Veyrieras, Jacob F Degner, Daniel J Gaffney, Joseph K Pickrell, Matthew Stephens, Jonathan K Pritchard, Yoav Gilad   +11 more
doaj   +1 more source

Measurement of the decay rate of the radiative Ke30 decay

Physics Letters B, 1996
Abstract Data from the NA31 experiment at CERN have been used to measure the decay K L → π ± e ± νγ ( K e 3 γ 0 ). 1384 ± 53 events of this decay type have been observed. The decay rate relative to K e 3 0 is found to be Γ(K e3γ 0 , E γ ∗ ≥ 30 MeV , Θ e-γ ∗ ≥ 20°) Γ(K e3 0 ...
F. Leber, T. Beier, H. Blümer, D. Coward, K. Kleinknecht, B. Renk, H.G. Sander, F. Scheerer, J. Scheidt, J. Staeck, A. Wagner, G.D. Barr, P. Buchholz, N. Doble, L. Gatignon, P. Grafström, R. Hagelberg, H. Wahl, K.J. Peach, E. Augé, D. Fournier, L. Iconomidou-Fayard, O. Perdereau, A.C. Schaffer, L. Serin, P. Calafiura, R. Carosi, R. Casali, I. Mannelli, V.M. Marzulli, A. Nappi, G.M. Pierazzini   +31 more
openaire   +1 more source

Differential decay rate for B → πlν semileptonic decays [PDF]

Nuclear Physics B - Proceedings Supplements, 2001
Abstract We present our study on B → π l ν semileptonic decay form factors using NRQCD action for heavy quark. In the analysis, we use the form factors f 1 (υ· k π ) and f 2 (υ· k π ) defined in the context of heavy quark effective theory by Burdman et al. .
JLQCD Collaboration, Aoki, S, Burkhalter, R, Fukugita, M, Hashimoto, S, Ishikawa, Kenichi, Ishizuka, N, Iwasaki, Y, Kanaya, K, Kaneko, T, Kuramashi, Y, Okawa, Masanori, Onogi, T, Tominaga, S, Tsutsui, N, Ukawa, A, Yamada, N, Yoshié, T   +17 more
openaire   +3 more sources

Magnetic Flux Emergence and Decay Rates for Preceder and Follower Sunspots Observed with HMI [PDF]

, 2017
We quantify the emergence and decay rates of preceder (p) and follower (f) sunspots within 10 active regions from 2010 to 2014 using Space-weather Helioseismic Magnetic Imager Active Region Patch data.
A. Norton, E. H. Jones, M. Linton, J. Leake   +3 more
semanticscholar   +1 more source

General Decay Rates for a Laminated Beam with Memory

Taiwanese journal of mathematics, 2019
In previous work [23], Mustafa considered a viscoelastic laminated beam system with structural damping in the case of equal-speed wave propagations, and established explicit energy decay formula which gives the best decay rates.
Zhi-Jing Chen, Wenjun Liu, Dongqin Chen
semanticscholar   +1 more source

Leaf litter decay rates differ between mycorrhizal groups in temperate, but not tropical, forests.

New Phytologist, 2018
Whereas the primary controls on litter decomposition are well established, we lack a framework for predicting interspecific differences in litter decay within and across ecosystems. Given previous research linking tree mycorrhizal association with carbon
A. B. Keller, Richard P Phillips
semanticscholar   +1 more source

Sufficient conditions for polynomial asymptotic behaviour of the stochastic pantograph equation

Electronic Journal of Qualitative Theory of Differential Equations, 2016
This paper studies the asymptotic growth and decay properties of solutions of the stochastic pantograph equation with multiplicative noise. We give sufficient conditions on the parameters for solutions to grow at a polynomial rate in $p$-th mean and in ...
John Appleby, Evelyn Buckwar
doaj   +1 more source

The impact of sea-level rise on organic matter decay rates in Chesapeake Bay brackish tidal marshes [PDF]

Biogeosciences, 2013
The balance between organic matter production and decay determines how fast coastal wetlands accumulate soil organic matter. Despite the importance of soil organic matter accumulation rates in influencing marsh elevation and resistance to sea-level rise,
M. L. Kirwan, J. A. Langley, G. R. Guntenspergen, J. P. Megonigal   +3 more
doaj   +1 more source

Existence and general decay estimate for a nonlinear plate problem

Boundary Value Problems, 2018
In this work, we study a plate equation modelling a suspension bridge with weak damping and hanger restoring force. We prove the well-posedness and establish an explicit and general decay result without putting restrictive growth conditions on the ...
Soh Edwin Mukiawa
doaj   +1 more source