CERN Accelerating science

DIRAC Notes

Darreres entrades:
2016-08-11
14:06
Estimation of beam time needed for measurement of pion-kaon s-wave scattering length combination $a_{\bar{0}}$ with a statistical accuracy 5% / Yazkov, V (SINP, Moscow)
Measurement of s-wave pion-kaon scattering length combina tion $a_{\bar{0}} = 1/3( a^{1/2}_0 − a^{3/2}_0)$ with an accuracy 5% provides check of prediction made by Chir al Perturbation theory and Lattice QCD. [...]
DIRAC-Note-2016-05.
- 2016. - 14 p.
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2016-08-11
14:03
The estimation of production rates of $π^+ K^−, π^− K^+$ and $π^+π^−$ atoms in proton-nucleus interactions at 24 and 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 P S. [...]
DIRAC-Note-2016-04.
- 2016. - 19 p.

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2016-08-11
14:00
Update in the SFD detector response simulation / Benelli , A (Dubna, JINR) ; Yazkov, V (SINP, Moscow)
DIRAC-Note-2016-03.
- 2016. - 12 p.
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2016-03-09
09:27
Update in the Multiple Scattering description of the SFD detector in Geant-Dirac / Benelli , A (Dubna, JINR) ; Yazkov, V (SINP, Moscow)
DIRAC-Note-2016-02.
- 2016. - 5 p.
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2016-03-09
08:27
Update in the detector alignment and Lambda studies / Benelli , A (Dubna, JINR) ; Yazkov, V (SINP, Moscow)
DIRAC-Note-2016-01.
- 2016. - 15 p.
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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.
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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.
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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.
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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.
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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.
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