The 3He(alpha,gamma)7Be S-factor at solar energies: the prompt gamma experiment at LUNA (2008)
Costantini, H., Bemmerer, D., Confortola, F., Formicola, A., Gyürky, Gy., Bezzon, P., ...
The 3He(alpha,gamma)7Be process is a key reaction in both Big-Bang nucleosynthesis and p-p chain of Hydrogen Burning in Stars. A new measurement of the 3He(alpha,gamma)7Be cross section has been...
Precision study of ground state capture in the 14N(p,gamma)15O reaction (2008)
Marta, M., Formicola, A., Gyurky, Gy., Bemmerer, D., Broggini, C., Caciolli, A., ...
The rate of the hydrogen-burning carbon-nitrogen-oxygen (CNO) cycle is controlled by the slowest process, 14N(p,gamma)15O, which proceeds by capture to the ground and several excited states in 15O....
Photoassociation of a Bose-Einstein Condensate near a Feshbach Resonance (2008)
Junker, M., Dries, D., Welford, C., Hitchcock, J., Chen, Y. P., Hulet, R. G.
We measure the effect of a magnetic Feshbach resonance (FR) on the rate and light-induced frequency shift of a photoassociation resonance in ultracold $^7$Li. The photoassociation-induced loss rate...
Phase coherence and superfluid-insulator transition in a disordered Bose-Einstein condensate (2008)
Chen, Y. P., Hitchcock, J., Dries, D., Junker, M., Welford, C., Hulet, R. G.
We have studied the effects of a disordered optical potential on the transport and phase coherence of a Bose-Einstein condensate (BEC) of Li-7 atoms. At moderate disorder strengths (V-D), we observe...
Phase Coherence and Superfluid-Insulator Transition in a Disordered Bose-Einstein Condensate (2007)
Chen, Yong P., Hitchcock, J., Dries, D., Junker, M., Welford, C., Hulet, R. G.
We have studied the effects of a disordered optical potential on the transport and phase coherence of a Bose-Einstein condensate (BEC) of 7Li atoms. At moderate disorder strengths (V_D), we observe...
Measurement of 25Mg(p; gamma)26Al resonance strengths via gamma spectrometry (2007)
Formicola, A., Best, A., Imbriani, G., Junker, M., Bemmerer, D., Bonetti, R., ...
The COMPTEL instrument performed the first mapping of the 1.809 MeV photons in the Galaxy, triggering considerable interest in determing the sources of interstellar 26Al. The predicted 26Al is too...
Trautvetter, H. P., Bemmerer, D., Bonetti, R., Broggini, C., Caciolli, A., Confortola, F., ...
We report on a new measurement of $^{14}$N(p,$\gamma$)$^{15}$O for the ground state capture transition at $E_p$ = 360, 380 and 400 keV, using the 400 kV LUNA accelerator. The true coincidence summing...
Gyurky, Gy., Bemmerer, D., Confortola, F., Costantini, H., Formicola, A., Bonetti, R., ...
Recently, the LUNA collaboration has carried out a high precision measurement on the 3He(alpha,gamma)7Be reaction cross section with both activation and on-line gamma-detection methods at...
First results on double beta decay modes of Cd, Te and Zn isotopes with the COBRA experiment (2007)
Boston, A., Dawson, J., Dobos, D., Fox, S. P., Freer, M., ...
Four 1cm^3 CdZnTe semiconductor detectors were operated in the Gran Sasso National Laboratory to explore the feasibility of such devices for double beta decay searches as proposed for the COBRA...
Confortola, F., Bemmerer, D., Costantini, H., Formicola, A., Gyürky, Gy., Bezzon, P., ...
Solar neutrino fluxes depend both on astrophysical and on nuclear physics inputs, namely on the cross sections of the reactions responsible for neutrino production inside the Solar core. While the...
3He(alpha,gamma)7Be cross section at low energies (2007)
Gyurky, Gy., Confortola, F., Costantini, H., Formicola, A., Bemmerer, D., Bonetti, R., ...
The flux of 7Be and 8B neutrinos from the Sun and the production of 7Li via primordial nucleosynthesis depend on the rate of the 3He(alpha,gamma)7Be reaction. In extension of a previous study showing...
The GERmanium Detector Array read-out: Status and developments (2007)
Cattadori, C., Chkvorets, O., Junker, M., Kröninger, K., Pandola, L., Pullia, A., ...
The GERmanium Detector Array, GERDA, is designed to search for neutrinoless double beta decay (0νββ) of Ge-76. In this work the status of the R&D on cryogenics front-end circuits of...
Activation measurement of the 3He(alpha,gamma)7Be cross section at low energy (2006)
Bemmerer, D., Confortola, F., Costantini, H., Formicola, A., Gyurky, Gy., Bonetti, R., ...
The nuclear physics input from the 3He(alpha,gamma)7Be cross section is a major uncertainty in the fluxes of 7Be and 8B neutrinos from the Sun predicted by solar models and in the 7Li abundance...
First measurement of the 14N(p,gamma)15O cross section down to 70 keV (2006)
Lemut, A., Bemmerer, D., Confortola, F., Bonetti, R., Broggini, C., Corvisiero, P., ...
In stars with temperatures above 20*10^6 K, hydrogen burning is dominated by the CNO cycle. Its rate is determined by the slowest process, the 14N(p,gamma)15O reaction. Deep underground in Italy's...
S-factor of 14N(p,gamma)15O at astrophysical energies (2005)
Imbriani, G., Costantini, H., Formicola, A., Vomiero, A., Angulo, C., Bemmerer, D., ...
The astrophysical S-factor of 14N(p,gamma)15O has been measured for effective center-of-mass energies between E_eff = 119 and 367 keV at the LUNA facility using TiN solid targets and Ge detectors....
Experimental study of 113Cd beta decay using CdZnTe detectors (2005)
Goessling, C., Junker, M., Kiel, H., Muenstermann, D., Oehl, S., Zuber, K.
A search for the 4-fold forbidden beta decay of \iso{Cd}{113} has been performed with CdZnTe semiconductors. With 0.86 kg $\cdot$ days of statistics a half-life for the decay of $T_{1/2} = (8.2 \pm...
Bemmerer, D., Confortola, F., Lemut, A., Bonetti, R., Broggini, C., Corvisiero, P., ...
The LUNA (Laboratory Underground for Nuclear Astrophysics) facility has been designed to study nuclear reactions of astrophysical interest. It is located deep underground in the Gran Sasso National...
A New 76Ge Double Beta Decay Experiment at LNGS (2004)
Abt, I., Altmann, M., Bakalyarov, A., Barabanov, I., Bauer, C., Bellotti, E., ...
This Letter of Intent has been submitted to the Scientific Committee of the INFN Laboratori Nazionali del Gran Sasso (LNGS) in March 2004. It describes a novel facility at the LNGS to study the...
The bottleneck of the CNO burning and the age of the Globular Clusters (2004)
Imbriani, G., Costantini, H., Formicola, A., Bemmerer, D., Bonetti, R., Broggini, C., ...
The transition between the Main Sequence and the Red Giant Branch in low mass stars is powered by the onset of the CNO burning, whose bottleneck is the $^{14}$N(p,$\gamma)^{15}$O. The LUNA...
Photoassociation of a Quantum Degenerate Gas (2003)
Prodan, I. D., Pichler, M., Junker, M., Bohn, J. L., Hulet, R. G.
We have measured the intensity dependent rate and frequency shift of a photoassociation transition in a quantum degenerate gas of 7Li. The rate increases linearly with photoassociation laser...
Altenhofen, C., Stanisic-Petrovic, M., Junker, M., Kieninger, T., Hofmann, H.R.
Die Menge der täglich zu bewältigenden Papierflut wächst immer noch an. Weltweit werden täglich 200 Millionen S. Papier in Ordnern abgeheftet und mehr als 250 km neue Aktenordner angelegt. Diese...
Werkzeugeinsatz in der Dokumentenverwaltung (2002)
Altenhofen, C., Stanisic-Petrovic, M., Junker, M., Kieninger, T., Hofmann, H.
Dokumentenverwaltungs-Systeme: Erwünscht, aber noch zu teuer (2002)
Altenhofen, C., Stanisic-Petrovic, M., Junker, M., Kieninger, T., Hofmann, H.R.
Hinter den Kulissen: Werkzeugeinsatz in der Dokumentenverwaltung (2002)
Altenhofen, C., Stanisic-Petrovic, M., Junker, M., Kieninger, T., Hofmann, H.
Broggini, C., Campajola, L., Corvisiero, P., D'Alessandro, A., Dessalvi, M., ...
We give the LUNA results on the cross section measurement of a key reaction of the proton-proton chain strongly affecting the calculated neutrino luminosity from the Sun: He3+He3-->He4+2p. Due to the...
Astronomy And Astrophysics (1998)
C. E. Rolfs, H. P. Trautvetter, U. Greife, M. Junker, S. Goriely, M. Arnould, ...
. The cross section of the 144 Sm(#, #) 148 Gd reaction has been measured at bombarding energies in the 10.513. 4 MeV range using an activation method based on the off-line #-activity measurement of...
Study Of Radiative Capture Reactions In The Astrophysical P-Process (1997)
E. Somorjai, Zs. F, Pob Debrecen, C. Rolfs, H-p. Trautvetter, ...
: The cross sections of 70 Ge(ff; fl) 74 Se and 144 Sm(ff; fl) 148 Gd reactions have been measured over the bombarding energy ranges of 5.05 MeV!E ff !7.80 MeV and 10.5 MeV!E ff !13.4 MeV,...
Thermonuclear reaction rates of $^9$Be$(p,\gamma)^{10}$B (1995)
Zahnow, D., Angulo, C., Junker, M., Rolfs, C., Schmidt, S., Schulte, W.H., ...
Thermonuclear reaction rates of $^9$Be$(p,\gamma)^{10}$B (1995)
Zahnow, D., Angulo, C., Junker, M., Rolfs, C., Schmidt, S., Schulte, W.H., ...
Expression and replication of the hepatitis B virus genome under foreign promoter control.
Junker, M, Galle, P, Schaller, H
A novel expression system was established that allows expression and propagation of the human hepatitis B virus (HBV) genome in cultured animal cells. An overlength HBV genome encoding the viral...
Expression and replication of the hepatitis B virus genome under foreign promoter control.
Junker, M, Galle, P, Schaller, H
A novel expression system was established that allows expression and propagation of the human hepatitis B virus (HBV) genome in cultured animal cells. An overlength HBV genome encoding the viral...