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- Kazuyoshi Carvalho Akiba, Cameron Thomas Dean, +179 authors Bruno Souza de Paula

We report a measurement of the time-dependent ratio of D 0 ! K þ À to D 0 ! K À þ decay rates in D Ãþ-tagged events using 1:0 fb À1 of integrated luminosity recorded by the LHCb experiment. We… (More)

- Wei-Mao Qian, Yu-Ming Chu
- 2013

We present several new sharp bounds for Neuman-Sandor mean in terms of arithmetic, centroidal, quadratic, harmonic root square, and contraharmonic means.

In the article, we prove that the double inequalities Mα(a,b)<SQA(a,b)<Mβ(a,b)$M_{\alpha }(a,b)< S_{QA}(a,b)< M_{\beta}(a,b)$ and Mλ(a,b)<SAQ(a,b)<Mμ(a,b)$M_{\lambda }(a,b)< S_{AQ}(a,b)<… (More)

- Hui-zuo Xu, Y. Ralph Chu, Wei-Mao Qian
- Journal of inequalities and applications
- 2018

In the article, we provide several sharp upper and lower bounds for two Sándor–Yang means in terms of combinations of arithmetic and contra-harmonic means.

Abstract In the article, we prove that the double inequalities 1 + ( 6 p − 7 ) r ′ p + ( 5 p − 6 ) r ′ π tanh − 1 ( r ) 2 r K ( r ) 1 + ( 6 q − 7 ) r ′ q + ( 5 q − 6 ) r ′ π tanh − 1 ( r ) 2 r ,… (More)

- Wei-Mao Qian, Yu-Ming Chu
- Journal of inequalities and applications
- 2017

AbstractIn the article, we present the best possible parameters λ=λ(p)$\lambda=\lambda (p)$ and μ=μ(p)$\mu=\mu(p)$ on the interval [0,1/2]$[0, 1/2]$ such that the double inequality
… (More)

- Zhen-Hang Yang, Wei-Mao Qian, Y. Ralph Chu, Wen Zhang
- Journal of inequalities and applications
- 2017

AbstractIn the article, we prove that the double inequality
x2+p0x+p0<Γ(x+1)<x2+9/5x+9/5$$ \frac{x^{2}+p_{0}}{x+p_{0}}< \Gamma(x+1)< \frac{x^{2}+9/5}{x+9/5} $$ holds for all x∈(0,1)$x\in(0, 1)$,… (More)

In this paper, we present the best possible parameters α,β∈R$\alpha, \beta \in\mathbb{R}$ and λ,μ∈(1/2,1)$\lambda, \mu\in(1/2, 1)$ such that the double inequalities… (More)

- Zhen-Hang Yang, Wei-Mao Qian, Yu-Ming Chu, Wen Zhang
- Journal of inequalities and applications
- 2017

In the article, we provide a monotonicity rule for the function [P(x)+A(x)]/[P(x)+B(x)]$[P(x)+A(x)]/[P(x)+B(x)]$, where P(x)$P(x)$ is a positive differentiable and decreasing function defined on… (More)

We present the best possible parameters and such that double inequalities , hold for all with , where , and are the arithmetic, second contraharmonic, and Toader means of and , respectively.