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CERN Document Server 127 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 1.15 δευτερόλεπτα. 
1.
First observation and study of the $K^{\pm} \rightarrow \pi^{0} \pi^{0} \mu^{\pm} \nu$ decay / NA48/2 Collaboration
The NA48/2 experiment at CERN reports the first observation of the $K^{\pm} \rightarrow \pi^{0} \pi^{0} \mu^{\pm} \nu$ decay based on a sample of 2437 candidates with 15% background contamination collected in 2003-2004. The decay branching ratio in the kinematic region of the squared dilepton mass above $0.03$~GeV$^2/c^4$ is measured to be $(0.65 \pm 0.03) \times 10^{-6}$. [...]
arXiv:2310.20295; CERN-EP-2023-245.- Geneva : CERN, 2024-03-22 - 16 p. - Published in : JHEP 2403 (2024) 137 Draft (restricted): PDF; Fulltext: 2310.20295 - PDF; CERN-EP-2023-245 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
Αναλυτική εγγραφή - Παρόμοιες εγγραφές - 9 σχόλια
2.
Measurement of the form factors of charged kaon semileptonic decays / NA48/2 Collaboration
A measurement of the form factors of charged kaon semileptonic decays is presented, based on $4.4 \times 10^{6}$ $K^\pm \to \pi^0 e^\pm \nu_e$ ($K^\pm_{e3}$) and $2.3 \times 10^{6}$ $K^\pm \to \pi^0 \mu^\pm \nu_\mu$ ($K^\pm_{\mu3}$) decays collected in 2004 by the NA48/2 experiment. The results are obtained with improved precision as compared to earlier measurements. [...]
arXiv:1808.09041; CERN-EP-2018-231.- Geneva : CERN, 2018-10-24 - 20 p. - Published in : JHEP 10 (2018) 150 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Draft (restricted): PDF; Fulltext: fermilab-pub-18-701 - PDF; CERN-EP-2018-231 - PDF; 1808.09041 - PDF;
Αναλυτική εγγραφή - Παρόμοιες εγγραφές - 45 σχόλια
3.
Measurement of the $\Xi^{0} \to \Lambda\gamma$ decay asymmetry and branching fraction / NA48 Collaboration
In data taken with the NA48 experiment at the CERN SPS in 1999, 730 candidates of the weak radiative hyperon decay $\Xi^{0} \to \Lambda\gamma$ have been found with an estimated background of $58 \pm 8$ events. From these events the $\Xi^{0} \to \Lambda\gamma$ decay asymmetry has been determined to $\alpha(\Xi^{0} \to \Lambda\gamma) = -0.78 \pm 0.18_{stat} \pm 0.06_{syst}$, which is the first evidence of a decay asymmetry in $\Xi^{0} \to \Lambda\gamma$. [...]
hep-ex/0401027; CERN-EP-2003-078.- Geneva : CERN, 2004 - 15 p. - Published in : Phys. Lett. B 584 (2004) 251-259 Access to fulltext document: PDF; Fulltext: PDF; External link: hep-ex/0401027 PDF
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4.
Decay angular distributions in diffractive one-pion production at ISR energy / De Kerret, H (CERN) ; Nagy, E (CERN) ; Regler, Meinhard (CERN) ; Schmidt-Parzefall, W (CERN) ; Schubert, Klaus R (CERN) ; Winter, Klaus (CERN) ; Brandt, A (Hamburg U.) ; Dibon, Heinz (Hamburg U.) ; Flügge, G (Hamburg U.) ; Niebergall, F (Hamburg U.) et al.
New experimental results are reported on decay angular distributions in diffractive dissociation of protons into (n pi /sup +/) in proton- proton collisions at a centre-of-mass energy of square root s=45 GeV. There is strong evidence for two distinct components of diffraction dissociation which have different decay angular distributions in the Gottfried-Jackson frame; the resonant and the non-resonant component with (n pi /sup +/) invariant mass in the interval 1.6<m<1.7 GeV are separated by their different t dependence. [...]
PRINT-76-0695-CERN.- Geneva : CERN, 1976 - Published in : Phys. Lett. B 63 (1976) 483-6 Fulltext: PDF;
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5.
Messung des differentiellen Wirkungsquerschnitts $d\delta/dt$ der elastischen Proton-Proton Streuung an den CERN-Protonen-Speicherringen bei $\sqrt{s}$ = 23 GeV und $\sqrt{s}$ = 62 GeV Schwerpunktsenergie / Brandt, A ; Nagy, E ; Schmidt-Parzefall, W ; Schubert, Klaus R ; Winter, Klaus ; Dibon, Heinz ; Flügge, G ; Niebergall, F ; Schumacher, P E ; Aubert, Jean-Jacques et al.
1975. - 121 p.
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6.
Experimental results on diffractive one-pion production at the CERN ISR / De Kerret, H (CERN) ; Nagy, E (CERN) ; Regler, Meinhard (CERN) ; Schmidt-Parzefall, W (CERN) ; Schubert, Klaus R (CERN) ; Winter, Klaus (CERN) ; Brandt, A (Hamburg U., Inst. Exp. Phys. II) ; Dibon, Heinz (Hamburg U., Inst. Exp. Phys. II) ; Flügge, G (Hamburg U., Inst. Exp. Phys. II) ; Niebergall, F (Hamburg U., Inst. Exp. Phys. II) et al.
New experimental results are reported on diffractive dissociation of protons into (n pi /sup +/) in proton-proton collisions at a centre- of-mass energy of square root s=45 GeV. The data were obtained using the Split-Field-Magnet detector at the CERN Intersecting Storage Rings. [...]
PRINT-76-0612-CERN.- Geneva : CERN, 1976 - 13 p. - Published in : Phys. Lett. B 63 (1976) 477-82 Fulltext: PDF;
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7.
A measurement of the cross section of the reaction $pp \rightarrow n\Delta^{++} (1232)$ at ISR energies / Kwak, N (CERN) ; Nagy, E (CERN) ; Regler, Meinhard (CERN) ; Schmidt-Parzefall, W (CERN) ; Schubert, Klaus R (CERN) ; Winter, Klaus (CERN) ; Brandt, A (Hamburg U., Inst. Exp. Phys. II) ; Dibon, Heinz (Hamburg U., Inst. Exp. Phys. II) ; Flügge, G (Hamburg U., Inst. Exp. Phys. II) ; Niebergall, F (Hamburg U., Inst. Exp. Phys. II) et al.
A measurement of the cross section of the charge-exchange reaction pp to Delta /sup ++/(1232)n at square root s=23, 31 and 45 GeV at the CERN-ISR is reported. The energy dependences continues to follow a power law p/sub lab//sup -n/ with n=1.94+or-0.03 indicating dominance of one-pion exchange at the lowest ISR energy; there is some evidence for deviation from this at the higher ISR energies. [...]
Geneva : CERN, 1976 - 11 p. - Published in : Phys. Lett. B 62 (1976) 359-362 Fulltext: PDF;
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8.
Investigation of $K_{L,S} \rightarrow \pi^{+}\pi^{-}e^{+}e^{-}$ decays / NA48 Collaboration
The $K_{L} \to \pi^{+}\pi^{-}e^{+}e^{-}$ and $K_{S} \to \pi^{+}\pi^{-}e^{+}e^{-}$ decay modes have been studied in detail using the NA48 detector at CERN SPS. Based on the data collected during the 1998 and 1999 run periods, a sample of 1162 $K_{L} \to \pi^{+}\pi^{-}e^{+}e^{-}$ candidates has been observed with an expected background level of 36.9 events, yielding the branching ratio measurement $BR(K_{L} \to \pi^{+}\pi^{-}e^{+}e^{-})=(3.08 \pm 0.20) \times 10^{-7}$. [...]
CERN-EP-2003-006.- Geneva : CERN, 2003 - 33 p. - Published in : Eur. Phys. J. C 30 (2003) 33-49 Fulltext: PDF; - CERN library copies
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9.
The trigger for $K^0 \rightarrow \pi^{0}\pi^{0}$ decays of the NA48 experiment at CERN / NA48 Collaboration
The trigger used for the collection of the samples of $K^{0}$ yields $\pi^{0}\pi^{0}$ decays in the NA48 experiment at CERN uses a novel pipeline design in order to satisfy the demanding specifications of a high rate kaon beam. The trigger algorithms, architecture and performance are described..
CERN-EP-2001-079.- Geneva : CERN, 2002 - 32 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 485 (2002) 676-697 Fulltext: PDF; - CERN library copies
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10.
Search for the decay $K_{S} \to \pi^{0}e^{+}e^{-}$ / NA48 Collaboration
A search for the decay $K_{S} \to \pi^{0}e^{+}e^{-}$ has been made using the NA48 detector at the CERN SPS. Using data collected in 1999 during a 40-hour run with a high-intensity $K_{S}$ beam, an upper limit for the branching fraction ${\rm B}(K_{S} \to \pi^{0}e^{+}e^{-}) < 1.4 \times 10^{-7}$ at 90\% confidence level has been obtained..
CERN-EP-2001-042.- Geneva : CERN, 2001 - 10 p. - Published in : Phys. Lett. B 514 (2001) 253-62 Fulltext: PDF; - CERN library copies
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CERN Document Server : 127 εγγραφές βρέθηκαν   1 - 10επόμενοτέλος  μετάβαση στην εγγραφή:
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58 Neuhofer, G
46 Neuhofer, G.
132 Neuhofer, Gunther
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