DIRAC Notes

Najnovije dodano:
2016-01-12
10:24
 The estimation of production rates of $\pi^+K^-, \pi^-K^+$ and $\pi^+\pi^-$ atoms in proton-nucleus interactions at 450 GeV/c / Gorchakov, O ; Nemenov, L Short-lived (τ ∼ 3 × 10 − 15 s) π+ K− , K+ π− and π+ π− atoms as well as long- lived (τ ≥ 1 × 10 − 11 s) π+ π− atoms produced in proton-nucleus interactions at 24 GeV/c are observed and studied in the DIRAC experiment at the CERN PS. [...] DIRAC-Note-2015-05. - 2015. - 19 p. Fulltext

2016-01-12
10:12
 The estimation of production rates of $\pi^+K^-, \pi^-K^+$ and $\pi^+\pi^-$ atoms in proton-Ni interactions at proton momentum of 450 GeV/c / Gorchakov, O ; Nemenov, L In the DIRAC experiment at CERN the π+ K− , K+ π− and π+ π− atoms generated in proton-nucleus interaction at proton momentum Pp = 24 GeV/c were investigated. [...] DIRAC-Note-2015-04. - 2015. - 28 p. Fulltext

2016-01-12
10:03
 Production rates for $\pi^+K^-, \pi^-K^+$ and $\pi^+\pi^-$ atoms in $p$-Ni interactions at proton momentum 24 and 450 GeV/c / Gorchakov, O ; Nemenov, L The results of performed analysis show that the yield of π+ K− , K+ π− and π+ π− atoms in the p-nucleus interactions increases significantly at change of proton momentum Pp from 24 up to 450 GeV/c. [...] DIRAC-Note-2015-03. - 2015. - 33 p. Fulltext

2015-04-27
10:23
 Investigation of systematic errors of metastable "atomic pair" number / Yazkov, V (SINP, Moscow) Sources of systematic errors in analysis of data, collected in 2012, are analysed. [...] DIRAC-Note-2015-02. - 2015. - 6 p. Fulltext

2015-04-27
09:06
 Rates of spontaneous radiation transitions and natural lifetimes of excited states of $\pi^+ - \pi^- (A2\pi)$ atom / Ovsianniko, V D (Voronezh State U.) DIRAC-Note-2015-01. - 2015. - 6 p. Fulltext

2015-02-05
22:06
 How uncertainties in the atomic potential affect DIRAC results / Zhabitsky, Mikhail (Dubna, JINR) DIRAC experiment reconstructs lifetime of π +π − atoms (A2π, pionium) through the measurement of their ionization (break-up) probability Pion in a thin target. [...] DIRAC-Note-2014-06. - 2014. - 7 p. Fulltext

2015-02-05
21:52
 Numbers of $\mu^{\pm}\pi^{\mp}, \mu^{+}\mu^{-}$ and $K^{+}K^{−}$ atoms and Coulomb pairs in the DIRAC experiment / Chliapnikov, P V (Serpukhov, IHEP) Numbers of µ ±π ∓ and µ +µ − atoms and Coulomb pairs are estimated from numbers of π +π − atoms and Coulomb pairs produced in the DIRAC experiment. [...] DIRAC-Note-2014-05. - 2014. - 5 p. Fulltext

2014-10-10
15:23
CERN-ARCH-MFL-049 ; DIRAC-Note-97-09
Ferro-Luzzi Massimiliano : DIRAC Experiment (PS212), lifetime measurements of $\pi^{+}\pi^{-}$ atoms to test low energy QCD predictions, 1997-2000
CERN. Geneva
. From 1997-07-09 to 2000-10-09  Description of record group
2014-09-29
09:37
 A third (horizontal) hodoscope for the ionisation detector / Ferro-Luzzi, Massimiliano DIRAC-Note-97-16. - 1997. - 23 p. Full text

2014-09-29
09:33
 The second module of the ionisation hodoscope / Ferro-Luzzi, Massimiliano ; Komarov, V DIRAC-Note-97-14. - 1997. - 64 p. Full text