CERN Accelerating science

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1.
Experimental measurements and nuclear model calculations on the excitation functions of $^{nat}Ce(^{3}He, xn)$ and $^{141}$therapeutic radionuclide $^{140}$Nd / Hilgers, K ; Shubin, Yu N ; Coenen, H H ; Qaim, S M
For production of the therapy related Auger electron emitting neutron deficient nuclide /sup 140/Nd (T/sub fraction 1/2/=3.37d) two routes were investigated: the nuclear reaction range from 15 to 36 MeV and the reaction /sup 141/Pr(p,2n)/sup 140isotopes, namely /sup 139/Nd and /sup 141/Nd, as well as to cerium(IV)-oxide and praseodymium (III)-oxide were obtained by sedimentation and the conventional stacked-foil technique was used for cross section measurements. All the experimental data obtained in this work were compared with the results of theoretical calculations using the exciton model code ALICE-IPPE as well as with literature experimental data, if available. [...]
2005 - Published in : Radiochim. Acta 93 (2005) 553-60
2.
Experimental study and nuclear model calculations on the $^{192}Os (p, n)^{192}$Ir reaction : Comparison of reactor and cyclotron production of the therapeutic radionuclide $^{192}$Ir / Hilgers, K ; Qaim, S M ; Sudar, S
In a search for an alternative route of production of the important therapeutic radionuclide /sup 192/Ir (T/sub 1/2/=78.83 d), the excitation function of the reaction /sup 192/Os(p, n)/sup 192/Ir was investigated from its threshold up to 20MeV. Thin samples of enriched /sup 192/Os were obtained by electrodeposition on Ni, and the conventional stacked-foil technique was used for cross section measurements. [...]
2005 - Published in : Appl. Radiat. Isot. 63 (2005) 93-98
3.
Bestimmung der Polarisationasymmetrie im Prozeß $e^{+}e^{-} \to t^{+}t^{-}$ mit dem L3-Detektor bei LEP / Hilgers, K
Geneva : CERN, 1994.
4.
A Direct determination of the number of light neutrino families from $e^+ e^- \to$ neutrino antineutrino $\gamma$ at LEP / L3 Collaboration
CERN-L3-035.- Geneva : CERN, 1992 - Published in : Phys. Lett. B 275 (1992) 209-221
5.
Measurement of $\eta$ production in two and three-jet events from hadronic Z decays at LEP / L3 Collaboration
The inclusive production of \eta mesons has been studied using 1.6 million hadronic Z decays collected with the L3 detector. The \eta multiplicity per event, the multiplicity for two-jet and three-jet events separately, and the multiplicity in each jet have been measured and compared with the predictions of different Monte Carlo programs. [...]
CERN-PPE-95-182; CERN-L3-089.- Geneva : CERN, 1996 - 20 p. - Published in : Phys. Lett. B 371 (1996) 126-136 Access to fulltext document: PDF;
In : 25th International Symposium on Multiparticle Dynamics, Stará Lesná, Slovakia, 12 - 16 Sep 1995, pp.528-536 - Please contact the library if you need to access this document.
6.
Search for the decays B$_{d}^{0}$ --> $\gamma\gamma$ and B$_{s}^{0}$ --> $\gamma\gamma$ / L3 Collaboration
A search for the decays \Bdsgg in 2.95 million hadronic \rm Z decays has been performed using the L3 detector at LEP. No candidates are found in the signal region and upper limits have been set on the branching ratios: \Brdgg < 3.9\times 10^{-5} and \Brsgg < 14.8\times 10^{-5} at 90\% CL. [...]
CERN-PPE-95-136; CERN-L3-087.- Geneva : CERN, 1995 - 13 p. - Published in : Phys. Lett. B 363 (1995) 137-144 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
7.
Study of the K$^{0}_{s}$K$^{0}_{s}$ final state in two-photon collisions / L3 Collaboration
The reaction \epem\ra\epem\gamma^*\gamma^*\ra\epem\kos\kos is studied with the L3 detector at LEP and the formation of the f_2\, \!\!\!'(1525) resonance is observed. For an integrated luminosity of 114 \pb, % \ collected over the years 1991-1994, 31\pm6 f_2\, \!\!\!' events are found. [...]
CERN-PPE-95-118; CERN-L3-085.- Geneva : CERN, 1995 - 15 p. - Published in : Phys. Lett. B 363 (1995) 118-126 Fulltext: PDF; - Please contact the library if you need to access this document.
8.
Search for neutral charmless B decays at LEP / L3 Collaboration
A search for rare charmless decays of \Bd and \Bs mesons has been performed in the exclusive channels \Bd_{(\mathrm s)}\ra\eta\eta, \Bd_{(\mathrm s)}\ra\eta\pio and \Bd_{(\mathrm s)}\ra\pio\pio. The data sample consisted of three million hadronic \Zo decays collected by the L3 experiment at LEP from 1991 through 1994. [...]
CERN-PPE-95-124; CERN-L3-086.- Geneva : CERN, 1995 - 15 p. - Published in : Phys. Lett. B 363 (1995) 127-136 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
9.
One-prong $\tau$ decays with neutral kaons / L3 Collaboration
CERN-PPE-95-42; CERN-L3-083.- Geneva : CERN, 1995 - 17 p. - Published in : Phys. Lett. B 352 (1995) 487-497 Access to fulltext document: PDF; - Please contact the library if you need to access this document.
10.
Evidence for gluon interference in hadronic Z decays / L3 Collaboration
CERN-PPE-95-49; CERN-L3-084.- Geneva : CERN, 1995 - 15 p. - Published in : Phys. Lett. B 353 (1995) 145-154 Access to fulltext document: PDF; - Please contact the library if you need to access this document.

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