نتایج جستجو برای: σc protein
تعداد نتایج: 1234875 فیلتر نتایج به سال:
We present a study of the fiber bundle model using equal load-sharing dynamics where the breaking thresholds of the fibers are drawn randomly from a power-law distribution of the form p(b)∼b-1 in the range 10-β to 10β. Tuning the value of β continuously over a wide range, the critical behavior of the fiber bundle has been studied both analytically as well as numerically. Our results are: (i) Th...
ar X iv : h ep - e x / 01 11 02 7 v 1 8 N ov 2 00 1 Measurement of Natural Widths of Σ 0 c and Σ + +
In this paper we present a measurement of the natural widths of Σc and Σ ++ c . Using data from the FOCUS experiment, we find Γ(Σc) = 1.55 +0.41 −0.37 ± 0.38 MeV/c 2 and Γ(Σ c ) = 2.05 +0.41 −0.38 ± 0.38 MeV/c . The first errors are statistical, the second systematic. These results are obtained with a sample of 913 Σc → Λ + c π − decays and 1110 Σ c → Λ + c π + decays. These results are compare...
We consider real-analytic maps of the interval I = [0, 1] which are expanding everywhere except for a neutral fixed point at 0. We show that on a certain function space the spectrum of the associated Perron-Frobenius operator M has a decomposition sp(M) = σc ∪ σp where σc = [0, 1] is the continuous spectrum of M and σp is the pure point spectrum with no points of accumulation outside 0 and 1. W...
Long slit spectroscopic data for 7 early-type galaxies with X-ray emission have been analyzed to derive velocity dispersion and radial velocity profiles. Major axis rotation curves out to R ∼ Re are presented. Adding these new data to those available in the literature, we have built a sample of early-type galaxies with detected X-ray emission and known kinematics (central velocity dispersion σc...
BABAR has recently published a study of the decay B → Λ+c p̄π in a sample of 383 × 10 Υ(4S) → BB decays [7, 3] measuring B(B− → Λ+c p̄π) = (3.38 ± 0.12 ± 0.12 ± 0.88) × 10 [2]. This value is somewhat larger than the previous Belle result of (2.01±0.15±0.20± 0.52) × 10 from 152 × 10 Υ(4S) → BB decays [8]. Both papers see clear signals forB → Σc(2455)p̄ in the Dalitz plot, but a small or no signal f...
To accurately and reliably predict the occurrence of rockburst disasters, a intensity level prediction model based on FA-SSA-PNN is proposed. Crding to internal external factors occurrence, six influencing (σθ, σt, σc, σc/σt, σθ/σc, Wet) were selected build index system. Seventy-five sets typical case data at home abroad collected, original preprocessed factor analysis (FA), comprehensive index...
Irregular galaxies are a unique test of models for the physical laws regulating star formation because of their lack of spiral density waves and rotational shear. Here we explore various instability models for the onset of star formation in irregular galaxies. If the gas is unstable, clouds and eventually stars can form, and so these models should predict where star formation occurs. Critical g...
Let X be a smooth projective scheme of dimension d ≥ 1 over the field k, and let C be an indecomposable coherent sheaf on X . Then there is an Auslander-Reiten sequence in the category of quasi-coherent sheaves on X , 0 → (ΣC)⊗ ω −→ B −→ C → 0. Here ΣC is the (d−1)’st syzygy in a minimal injective resolution of C, and ω is the dualizing sheaf of X . 0. Introduction This note shows that Auslande...
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