Results 11 to 20 of about 11,724,162 (101)
First observation of π-K+ and π+K- atoms, their lifetime measurement and πK scattering lengths evaluation. [PDF]
he Low Energy QCD allows to calculate the $\pi\pi$ and $\pi K$ scattering lengths with high precision. There are accurate relations between these scattering lengths and $\pi^+\pi^-$, $\pi^-K^+$, $\pi^+K^-$ atoms lifetimes. The experiment on the first observation of $\pi^-K^+$ and $\pi^+K^-$ atoms is described.
openaire +1 more source
Observation of the Ïð3686ß decays into Σ+ Σ - Ï and Σ+ Σ - Ï
Based on (2712.4 +/- 14.3) x 106 events recorded at the psi(3686) nominal mass collected with the BESIII detector operating at the BEPCII collider, the psi(3686) -> E +/- E over bar -omega and E +/- E over bar -phi decays are observed for the first time with statistical significances of 13.8 sigma and 7.6 sigma, respectively.
Ablikim, M. +7 more
openaire +1 more source
Search for a scalar partner of the X(3872) via Ï(3770) decays into γηη' and γÏ+ Ï- J/Ï
Using a data sample corresponding to an integrated luminosity of 2.93 fb(-1) collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider, we search for a scalar partner of the X(3872), denoted as X(3700), via psi(3770) gamma eta eta' and gamma pi(+)pi(-)J/psi processes.
Ablikim, M. +7 more
openaire +1 more source
Recent results on (ï°,ï¬) - designs and related configurations
Véase archivo ...
M. Deza, R. C. Mullin, S. A. Vanstone
openaire +1 more source
(ï³,ï´)- Strongly Derivations Pairs on Rings
Let R be an associative ring. In this paper we present the definition of (s,t)- Strongly derivation pair and Jordan (s,t)- strongly derivation pair on a ring R, and study the relation between them. Also, we study prime rings, semiprime rings, and rings that have commutator left nonzero divisior with (s,t)- strongly derivation pair, to obtain a (
openaire +1 more source
Multiplicity dependence of ÏÏ(2S)/ÏJ/Ï in pp collisions at âs=13 TeV
The ratio of production cross-sections of psi(2S) over J/psi mesons as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy root s = 13 TeV is measured with a data sample collected by the LHCb detector, corresponding to an integrated luminosity of 658 pb(-1).
Aaij, R. +5 more
openaire +1 more source
Search for the light hadron decay Ïc1(3872) â Ï+Ï-η
For complete list of authors see http://dx.doi.org/10.1103/PhysRevD.109 ...
Ablikim, M. +7 more
openaire +1 more source
Analysis of Bond Strength of Bioceramic Sealer Following Irrigation with Chlorhexidine. [PDF]
Costa LG +5 more
europepmc +1 more source
Short communication: performance of beef cows fed Kernza intermediate wheatgrass straw mixed with alfalfa haylage. [PDF]
Pizarro DM +3 more
europepmc +1 more source
In this paper, we introduce a new type of compactness which is called "ï¡-ccompactness". Also, we study some properties of this type of compactness and the relationships among it and compactness, ï¡-compactness and c ...
openaire +1 more source

