Search

Your search keyword '"Molini, P."' showing total 11 results
Start Over Author "Molini, P." Publisher uppsala universitet, institutionen for fysik och astronomi
11 results on '"Molini, P."'

1. Shell evolution beyond N=40 : Cu-69,Cu-71,Cu-73

Author

Sahin, E., Doncel, M., Sieja, K., de Angelis, G., Gadea, A., Quintana, B., Gorgen, A., Modamio, V., Mengoni, D., Valiente-Dobon, J. J., John, P. R., Albers, M., Bazzacco, D., Benzoni, G., Birkenbach, B., Cederwall, B., Clement, E., Curien, D., Corradi, L., Desesquelles, P., Dewald, A., Didierjean, F., Duchene, G., Eberth, J., Erduran, M. N., Farnea, E., Fioretto, E., de France, G., Fransen, C., Gernhaeuser, R., Gottardo, A., Hackstein, M., Hagen, T., Hernandez-Prieto, A., Hess, H., Hueyuek, T., Jungclaus, A., Klupp, S., Korten, W., Kusoglu, A., Lenzi, S. M., Ljungvall, J., Louchart, C., Lunardi, S., Menegazzo, R., Michelagnoli, C., Mijatovic, T., Million, B., Molini, P., Montagnoli, G., Montanari, D., Moeller, O., Napoli, D. R., Obertelli, A., Orlandi, R., Pollarolo, G., Pullia, A., Recchia, F., Reiter, P., Rosso, D., Rother, W., Salsac, M. -D, Scarlassara, F., Schlarb, M., Siem, S., Singh, Pushpendra P., Söderström, P. -A, Stefanini, A. M., Stezowski, O., Sulignano, B., Szilner, S., Theisen, Ch, Ur, C. A., Yalcinkaya, M., Sahin, E., Doncel, M., Sieja, K., de Angelis, G., Gadea, A., Quintana, B., Gorgen, A., Modamio, V., Mengoni, D., Valiente-Dobon, J. J., John, P. R., Albers, M., Bazzacco, D., Benzoni, G., Birkenbach, B., Cederwall, B., Clement, E., Curien, D., Corradi, L., Desesquelles, P., Dewald, A., Didierjean, F., Duchene, G., Eberth, J., Erduran, M. N., Farnea, E., Fioretto, E., de France, G., Fransen, C., Gernhaeuser, R., Gottardo, A., Hackstein, M., Hagen, T., Hernandez-Prieto, A., Hess, H., Hueyuek, T., Jungclaus, A., Klupp, S., Korten, W., Kusoglu, A., Lenzi, S. M., Ljungvall, J., Louchart, C., Lunardi, S., Menegazzo, R., Michelagnoli, C., Mijatovic, T., Million, B., Molini, P., Montagnoli, G., Montanari, D., Moeller, O., Napoli, D. R., Obertelli, A., Orlandi, R., Pollarolo, G., Pullia, A., Recchia, F., Reiter, P., Rosso, D., Rother, W., Salsac, M. -D, Scarlassara, F., Schlarb, M., Siem, S., Singh, Pushpendra P., Söderström, P. -A, Stefanini, A. M., Stezowski, O., Sulignano, B., Szilner, S., Theisen, Ch, Ur, C. A., and Yalcinkaya, M.

Abstract

The level structure of the neutron-rich Cu-69, Cu-71, and Cu-73 isotopes has been investigated by means of multinucleon transfer reactions. The experiment was performed at Laboratori Nazionali di Legnaro using the AGATA Demonstrator array coupled to the PRISMA magnetic spectrometer. Lifetimes of excited states in Cu nuclei were measured with the recoil-distance Doppler-shift method. The resulting electromagnetic matrix elements for transitions from excited states in Cu-69,Cu-71,Cu-73 nuclei are used to assess the collective or single-particle character of these states. The results are compared with predictions of large-scale shell-model calculations, giving further insight into the evolution of the proton pf shell as neutrons fill the 1g(9/2) orbital.

Published
2015
Full Text
View/download PDF

2. Shape evolution in the neutron-rich osmium isotopes : Prompt gamma-ray spectroscopy of Os-196

Author

John, P. R., Modamio, V., Valiente-Dobon, J. J., Mengoni, D., Lunardi, S., Rodriguez, T. R., Bazzacco, D., Gadea, A., Wheldon, C., Alexander, T., de Angelis, G., Ashwood, N., Barr, M., Benzoni, G., Birkenbach, B., Bizzeti, P. G., Bizzeti-Sona, A. M., Bottoni, S., Bowry, M., Bracco, A., Browne, F., Bunce, M., Camera, F., Cederwall, B., Corradi, L., Crespi, F. C. L., Desesquelles, P., Eberth, J., Farnea, E., Fioretto, E., Goergen, A., Gottardo, A., Grebosz, J., Grente, L., Hess, H., Jungclaus, A., Kokalova, Tz., Korichi, A., Korten, W., Kusoglu, A., Lenzi, S., Leoni, S., Ljungvall, J., Maron, G., Meczynski, W., Melon, B., Menegazzo, R., Michelagnoli, C., Mijatovic, T., Million, B., Molini, P., Montagnoli, G., Montanari, D., Napoli, D. R., Nolan, P., Oziol, Ch., Podolyak, Zs., Pollarolo, G., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Roberts, O. J., Rosso, D., Sahin, E., Salsac, M. -D, Scarlassara, F., Sferrazza, M., Simpson, J., Söderström, P. -A, Stefanini, A. M., Stezowski, O., Szilner, S., Theisen, Ch., Ur, C. A., Walshe, J., John, P. R., Modamio, V., Valiente-Dobon, J. J., Mengoni, D., Lunardi, S., Rodriguez, T. R., Bazzacco, D., Gadea, A., Wheldon, C., Alexander, T., de Angelis, G., Ashwood, N., Barr, M., Benzoni, G., Birkenbach, B., Bizzeti, P. G., Bizzeti-Sona, A. M., Bottoni, S., Bowry, M., Bracco, A., Browne, F., Bunce, M., Camera, F., Cederwall, B., Corradi, L., Crespi, F. C. L., Desesquelles, P., Eberth, J., Farnea, E., Fioretto, E., Goergen, A., Gottardo, A., Grebosz, J., Grente, L., Hess, H., Jungclaus, A., Kokalova, Tz., Korichi, A., Korten, W., Kusoglu, A., Lenzi, S., Leoni, S., Ljungvall, J., Maron, G., Meczynski, W., Melon, B., Menegazzo, R., Michelagnoli, C., Mijatovic, T., Million, B., Molini, P., Montagnoli, G., Montanari, D., Napoli, D. R., Nolan, P., Oziol, Ch., Podolyak, Zs., Pollarolo, G., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Roberts, O. J., Rosso, D., Sahin, E., Salsac, M. -D, Scarlassara, F., Sferrazza, M., Simpson, J., Söderström, P. -A, Stefanini, A. M., Stezowski, O., Szilner, S., Theisen, Ch., Ur, C. A., and Walshe, J.

Abstract

The shape transition in the neutron-rich Os isotopes is studied by investigating the neutron-rich Os-196 nucleus through in-beam gamma-ray spectroscopy using a two-proton transfer reaction from a Pt-198 target to a Se-82 beam. The beam-like recoils were detected and identified with the large-acceptance magnetic spectrometer PRISMA, and the coincident gamma rays were measured with the advanced gamma tracking array (AGATA) demonstrator. The de-excitation of the low-lying levels of the yrast-band of Os-196 were identified for the first time. The results are compared with state-of-the-art beyond-mean-field calculations, performed for the even-even Os188-198 isotopes. The new results suggest a smooth transition in the Os isotopes from a more axial rotational behavior towards predominately vibrational nuclei through triaxial configurations. An almost perfect gamma-unstable/triaxial rotor yrast band is predicted for Os-196 which is in agreement with the experimentally measured excited states.

Published
2014
Full Text
View/download PDF

3. Isospin Character of Low-Lying Pygmy Dipole States in Pb-208 via Inelastic Scattering of O-17 Ions

Author

Crespi, F. C. L., Bracco, A., Nicolini, R., Mengoni, D., Pellegri, L., Lanza, E. G., Leoni, S., Maj, A., Kmiecik, M., Avigo, R., Benzoni, G., Blasi, N., Boiano, C., Bottoni, S., Brambilla, S., Camera, F., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Vandone, V., Wieland, O., Bednarczyk, P., Ciemala, M., Grebosz, J., Krzysiek, M., Mazurek, K., Zieblinski, M., Bazzacco, D., Bellato, M., Birkenbach, B., Bortolato, D., Calore, E., Cederwall, B., Charles, L., de Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gorgen, A., Gottardo, A., Isocrate, R., Jolie, J., Jungclaus, A., Karkour, N., Korten, W., Menegazzo, R., Michelagnoli, C., Molini, P., Napoli, D. R., Pullia, A., Recchia, F., Reiter, P., Rosso, D., Sahin, E., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Soderstrom, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Valiente-Dobon, J. J., Crespi, F. C. L., Bracco, A., Nicolini, R., Mengoni, D., Pellegri, L., Lanza, E. G., Leoni, S., Maj, A., Kmiecik, M., Avigo, R., Benzoni, G., Blasi, N., Boiano, C., Bottoni, S., Brambilla, S., Camera, F., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Vandone, V., Wieland, O., Bednarczyk, P., Ciemala, M., Grebosz, J., Krzysiek, M., Mazurek, K., Zieblinski, M., Bazzacco, D., Bellato, M., Birkenbach, B., Bortolato, D., Calore, E., Cederwall, B., Charles, L., de Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gorgen, A., Gottardo, A., Isocrate, R., Jolie, J., Jungclaus, A., Karkour, N., Korten, W., Menegazzo, R., Michelagnoli, C., Molini, P., Napoli, D. R., Pullia, A., Recchia, F., Reiter, P., Rosso, D., Sahin, E., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Soderstrom, P. -A, Stezowski, O., Theisen, Ch., Ur, C., and Valiente-Dobon, J. J.

Abstract

The properties of pygmy dipole states in Pb-208 were investigated using the Pb-208(O-17, O-17'gamma) reaction at 340 MeV and measuring the gamma decay with high resolution with the AGATA demonstrator array. Cross sections and angular distributions of the emitted gamma rays and of the scattered particles were measured. The results are compared with (gamma, gamma') and (p, p') data. The data analysis with the distorted wave Born approximation approach gives a good description of the elastic scattering and of the inelastic excitation of the 2(+) and 3(-) states. For the dipole transitions a form factor obtained by folding a microscopically calculated transition density was used for the first time. This has allowed us to extract the isoscalar component of the 1(-) excited states from 4 to 8 MeV.

Published
2014
Full Text
View/download PDF

4. Pygmy dipole resonance in Sn-124 populated by inelastic scattering of O-17

Author

Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, Zieblinski, M., Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, and Zieblinski, M.

Abstract

The gamma decay from the high-lying states of Sn-124 was measured using the inelastic scattering of O-17 at 340 MeV. The emitted gamma rays were detected with high resolution with the AGATA demonstrator array and the scattered ions were detected in two segmented Delta E-E silicon telescopes. The angular distribution was measured both for the gamma rays and the scattered O-17 ions. An accumulation of E1 strength below the particle threshold was found and compared with previous data obtained with (gamma,gamma') and (alpha,alpha'gamma) reactions. The present results of elastic scattering, and excitation of E2 and E1 states were analysed using the DWBA approach. From this comprehensive description the isoscalar component of the 1-excited states was extracted. The obtained values are based on the comparison of the data with DWBA calculations including a form factor deduced using a microscopic transition density.

Published
2014
Full Text
View/download PDF

5. Pygmy dipole resonance in Sn-124 populated by inelastic scattering of O-17

Author

Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, Zieblinski, M., Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, and Zieblinski, M.

Abstract

The gamma decay from the high-lying states of Sn-124 was measured using the inelastic scattering of O-17 at 340 MeV. The emitted gamma rays were detected with high resolution with the AGATA demonstrator array and the scattered ions were detected in two segmented Delta E-E silicon telescopes. The angular distribution was measured both for the gamma rays and the scattered O-17 ions. An accumulation of E1 strength below the particle threshold was found and compared with previous data obtained with (gamma,gamma') and (alpha,alpha'gamma) reactions. The present results of elastic scattering, and excitation of E2 and E1 states were analysed using the DWBA approach. From this comprehensive description the isoscalar component of the 1-excited states was extracted. The obtained values are based on the comparison of the data with DWBA calculations including a form factor deduced using a microscopic transition density.

Published
2014
Full Text
View/download PDF

6. Pygmy dipole resonance in Sn-124 populated by inelastic scattering of O-17

Author

Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, Zieblinski, M., Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, and Zieblinski, M.

Abstract

The gamma decay from the high-lying states of Sn-124 was measured using the inelastic scattering of O-17 at 340 MeV. The emitted gamma rays were detected with high resolution with the AGATA demonstrator array and the scattered ions were detected in two segmented Delta E-E silicon telescopes. The angular distribution was measured both for the gamma rays and the scattered O-17 ions. An accumulation of E1 strength below the particle threshold was found and compared with previous data obtained with (gamma,gamma') and (alpha,alpha'gamma) reactions. The present results of elastic scattering, and excitation of E2 and E1 states were analysed using the DWBA approach. From this comprehensive description the isoscalar component of the 1-excited states was extracted. The obtained values are based on the comparison of the data with DWBA calculations including a form factor deduced using a microscopic transition density.

Published
2014
Full Text
View/download PDF

7. Pygmy dipole resonance in Sn-124 populated by inelastic scattering of O-17

Author

Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, Zieblinski, M., Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, and Zieblinski, M.

Abstract

The gamma decay from the high-lying states of Sn-124 was measured using the inelastic scattering of O-17 at 340 MeV. The emitted gamma rays were detected with high resolution with the AGATA demonstrator array and the scattered ions were detected in two segmented Delta E-E silicon telescopes. The angular distribution was measured both for the gamma rays and the scattered O-17 ions. An accumulation of E1 strength below the particle threshold was found and compared with previous data obtained with (gamma,gamma') and (alpha,alpha'gamma) reactions. The present results of elastic scattering, and excitation of E2 and E1 states were analysed using the DWBA approach. From this comprehensive description the isoscalar component of the 1-excited states was extracted. The obtained values are based on the comparison of the data with DWBA calculations including a form factor deduced using a microscopic transition density.

Published
2014
Full Text
View/download PDF

8. Pygmy dipole resonance in Sn-124 populated by inelastic scattering of O-17

Author

Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, Zieblinski, M., Pellegri, L., Bracco, A., Crespi, F. C. L., Leoni, S., Camera, F., Lanza, E. G., Kmiecik, M., Maj, A., Avigo, R., Benzoni, G., Blasi, N. a, Boiano, C., Bottoni, S., Brambilla, S., Ceruti, S., Giaz, A., Million, B., Morales, A. I., Nicolini, R., Vandone, V., Wieland, O., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Cederwall, B., Charles, L., Ciemala, M., De Angelis, G., Desesquelles, P., Eberth, J., Farnea, E., Gadea, A., Gernhaeuser, R., Gorgen, A., Gottardo, A., Grebosz, J., Hess, H., Isocrate, R., Jolie, J., Judson, D., Jungclaus, A., Karkour, N., Krzysiek, M., Litvinova, E., Lunardi, S., Mazurek, K., Mengoni, D., Michelagnoli, C., Menegazzo, R., Molini, P., Napoli, D. R., Pullia, A., Quintana, B., Recchia, F., Reiter, P., Salsac, M. D., Siebeck, B., Siem, S., Simpson, J., Söderström, P. -A, Stezowski, O., Theisen, Ch., Ur, C., Dobon, J. J. Valiente, and Zieblinski, M.

Abstract

The gamma decay from the high-lying states of Sn-124 was measured using the inelastic scattering of O-17 at 340 MeV. The emitted gamma rays were detected with high resolution with the AGATA demonstrator array and the scattered ions were detected in two segmented Delta E-E silicon telescopes. The angular distribution was measured both for the gamma rays and the scattered O-17 ions. An accumulation of E1 strength below the particle threshold was found and compared with previous data obtained with (gamma,gamma') and (alpha,alpha'gamma) reactions. The present results of elastic scattering, and excitation of E2 and E1 states were analysed using the DWBA approach. From this comprehensive description the isoscalar component of the 1-excited states was extracted. The obtained values are based on the comparison of the data with DWBA calculations including a form factor deduced using a microscopic transition density.

Published
2014
Full Text
View/download PDF

9. AGATA -Advanced GAmma Tracking Array

Author

Akkoyun, S., Algora, A., Alikhani, B., Ameil, F., Angelis, G. de, Arnold, L., Astier, A., Atac, Ayse, Aubert, Y., Aufranc, C., Austin, A., Aydin, S., Azaiez, F., Badoer, S., Balabanski, D. L., Barrientos, D., Baulieu, G., Baumann, R., Bazzacco, D., Beck, F. A., Beck, T., Bednarczyk, P., Bellato, M., Bentley, M. A., Benzoni, G., Berthier, R., Berti, L., Beunard, R., Bianco, G. Lo, Birkenbach, B., Bizzeti, P. G., Bizzeti-Sona, A. M., Blanc, F. Le, Blasco, J. M., Blasi, N., Bloor, D., Boiano, C., Borsato, M., Bortolato, D., Boston, A. J., Boston, H. C., Bourgault, P., Boutachkov, P., Bouty, A., Bracco, A., Brambilla, S., Brawn, I. P., Brondi, A., Broussard, S., Bruyneel, B., Bucurescu, D., Burrows, I., Burger, A., Cabaret, S., Cahan, B., Calore, E., Camera, F., Capsoni, A., Carrio, F., Casati, G., Castoldi, M., Cederwall, B., Cercus, J. -L, Chambert, V., Chambit, M. El, Chapman, R., Charles, L., Chavas, J., Clement, E., Cocconi, P., Coelli, S., Coleman-Smith, P. J., Colombo, A., Colosimo, S., Commeaux, C., Conventi, D., Cooper, R. J., Corsi, A., Cortesi, A., Costa, L., Crespi, F. C. L., Cresswell, J. R., Cullen, D. M., Curien, D., Czermak, A., Delbourg, D., Depalo, R., Descombes, T., Desesquelles, P., Detistov, P., Diarra, C., Didierjean, F., Dimmock, M. R., Doan, Q. T., Domingo-Pardo, C., Doncel, M., Dorangeville, F., Dosme, N., Drouen, Y., Duchêne, G., Dulny, B., Eberth, J., Edelbruck, P., Egea, J., Engert, T., Erduran, M. N., Erturk, S., Fanin, C., Fantinel, S., Farnea, E., Faul, T., Filliger, M., Filmer, F., Finck, Ch., France, G. de, Gadea, A., Gast, W., Geraci, A., Gerl, J., Gernhauser, R., Giannatiempo, A., Giaz, A., Gibelin, L., Givechev, A., Goel, N., Gonzalez, V., Gottardo, A., Grave, X., Grebosz, J., Griffiths, R., Grint, A. N., Gros, P., Guevara, L., Gulmini, M., Gorgen, A., Ha, H. T. M., Habermann, T., Harkness, L. J., Harroch, H., Hauschild, K., He, C., Hernandez-Prieto, A., Hervieu, B., Hess, H., Huyuk, T., Ince, E., Isocrate, R., Jaworski, G., Johnson, A., Jolie, J., Jones, P., Jonson, B., Joshi, P., Judson, D. S., Jungclaus, A., Kaci, M., Karkour, N., Karolak, M., Karkour, A., Kebbiri, M., Kempley, R. S., Khaplanov, A., Klupp, S., Kogimtzis, M., Kojouharov, I., Korichi, A., Korten, W., Kroll, Th., Krucken, R., Kurz, N., Ky, B. Y., Labiche, M., Lafay, X., Lavergne, L., Lazarus, I. H., Leboutelier, S., Lefebvre, F., Legay, E., Legeard, L., Lelli, F., Lenzi, S. M., Leoni, S., Lermitage, A., Lersch, D., Leske, J., Letts, S. C., Lhenoret, S., Lieder, R. M., Linget, D., Ljungvall, J., Lopez-Martens, A., Lotode, A., Lunardi, S., Maj, A., Marel, J. van der, Mariette, Y., Marginean, N., Marginean, R., Maron, G., Mather, A. R., Meczynski, W., Mendez, V., Medina, P., Melon, B., Menegazzo, R., Mengoni, D., Merchan, E., Mihailescu, L., Michelagnoli, C., Mierzejewski, J., Milechina, L., Million, B., Mitev, K., Molini, P., Montanari, D., Moon, S., Morbiducci, F., Moro, R., Morrall, P. S., Möller, O., Nannini, A., Napoli, D. R., Nelson, L., Nespolo, M., Ngo, V. L., Nicoletto, M., Nicolini, R., Noa, Y. Le, Nolan, P. J., Norman, M., Nyberg, Johan, Obertelli, A., Olariu, A., Orlandi, R., Oxley, D. C., Ozben, C., Ozille, M., Oziol, C., Pachoud, E., Palacz, M., Palin, J., Pancin, J., Parisel, C., Pariset, P., Pascovici, G., Peghin, R., Pellegri, L., Perego, A., Perrier, S., Petcu, M., Petkov, P., Petrache, C., Pierre, E., Pietralla, N., Pietri, S., Pignanelli, M., Piqueras, I., Podolyak, Z., Pouhalec, P. Le, Pouthas, J., Pugnere, D., Pucknell, V. F. E., Pullia, A., Quintana, B., Raine, R., Rainovski, G., Ramina, L., Rampazzo, G., Rana, G. La, Rebeschini, M., Recchia, F., Redon, N., Reese, M., Reiter, P., Regan, P. H., Riboldi, S., Richer, M., Rigato, M., Rigby, S., Ripamonti, G., Robinson, A. P., Robin, J., Roccaz, J., Ropert, J. -A, Rosse, B., Rossi Alvarez, C., Rosso, D., Rubio, B., Rudolph, D., Saillant, F., Sahin, E., Salomon, F., Salsac, M. -D, Salt, J., Salvato, G., Sampson, J., Sanchis, E., Santos, C., Schaffner, H., Schlarb, M., Scraggs, D. P., Seddon, D., Senyigit, M., Sigward, M. -H, Simpson, G., Simpson, J., Slee, M., Smith, J. F., Sona, P., Sowicki, B., Spolaore, P., Stahl, C., Stanios, T., Stefanova, E., Stezowski, O., Strachan, J., Suliman, G., Söderström, Pär-Anders, Tain, J. L., Tanguy, S., Tashenov, S., Theisen, Ch., Thornhill, J., Tomasi, F., Toniolo, N., Touzery, R., Travers, B., Triossi, A., Tripon, M., Tun-Lanoe, K. M. M., Turcato, M., Unsworth, C., Ur, C. A., Valiente-Dobon, J. J., Vandone, V., Vardaci, E., Venturelli, R., Veronese, F., Veyssiere, Ch., Viscione, E., Wadsworth, R., Walker, P. M., Warr, N., Weber, C., Weisshaar, D., Wells, D., Wieland, O., Wiens, A., Wittwer, G., Wollersheim, H. J., Zocca, F., Zamfir, N. V., Zieblinski, M., Zucchiatti, A., Akkoyun, S., Algora, A., Alikhani, B., Ameil, F., Angelis, G. de, Arnold, L., Astier, A., Atac, Ayse, Aubert, Y., Aufranc, C., Austin, A., Aydin, S., Azaiez, F., Badoer, S., Balabanski, D. L., Barrientos, D., Baulieu, G., Baumann, R., Bazzacco, D., Beck, F. A., Beck, T., Bednarczyk, P., Bellato, M., Bentley, M. A., Benzoni, G., Berthier, R., Berti, L., Beunard, R., Bianco, G. Lo, Birkenbach, B., Bizzeti, P. G., Bizzeti-Sona, A. M., Blanc, F. Le, Blasco, J. M., Blasi, N., Bloor, D., Boiano, C., Borsato, M., Bortolato, D., Boston, A. J., Boston, H. C., Bourgault, P., Boutachkov, P., Bouty, A., Bracco, A., Brambilla, S., Brawn, I. P., Brondi, A., Broussard, S., Bruyneel, B., Bucurescu, D., Burrows, I., Burger, A., Cabaret, S., Cahan, B., Calore, E., Camera, F., Capsoni, A., Carrio, F., Casati, G., Castoldi, M., Cederwall, B., Cercus, J. -L, Chambert, V., Chambit, M. El, Chapman, R., Charles, L., Chavas, J., Clement, E., Cocconi, P., Coelli, S., Coleman-Smith, P. J., Colombo, A., Colosimo, S., Commeaux, C., Conventi, D., Cooper, R. J., Corsi, A., Cortesi, A., Costa, L., Crespi, F. C. L., Cresswell, J. R., Cullen, D. M., Curien, D., Czermak, A., Delbourg, D., Depalo, R., Descombes, T., Desesquelles, P., Detistov, P., Diarra, C., Didierjean, F., Dimmock, M. R., Doan, Q. T., Domingo-Pardo, C., Doncel, M., Dorangeville, F., Dosme, N., Drouen, Y., Duchêne, G., Dulny, B., Eberth, J., Edelbruck, P., Egea, J., Engert, T., Erduran, M. N., Erturk, S., Fanin, C., Fantinel, S., Farnea, E., Faul, T., Filliger, M., Filmer, F., Finck, Ch., France, G. de, Gadea, A., Gast, W., Geraci, A., Gerl, J., Gernhauser, R., Giannatiempo, A., Giaz, A., Gibelin, L., Givechev, A., Goel, N., Gonzalez, V., Gottardo, A., Grave, X., Grebosz, J., Griffiths, R., Grint, A. N., Gros, P., Guevara, L., Gulmini, M., Gorgen, A., Ha, H. T. M., Habermann, T., Harkness, L. J., Harroch, H., Hauschild, K., He, C., Hernandez-Prieto, A., Hervieu, B., Hess, H., Huyuk, T., Ince, E., Isocrate, R., Jaworski, G., Johnson, A., Jolie, J., Jones, P., Jonson, B., Joshi, P., Judson, D. S., Jungclaus, A., Kaci, M., Karkour, N., Karolak, M., Karkour, A., Kebbiri, M., Kempley, R. S., Khaplanov, A., Klupp, S., Kogimtzis, M., Kojouharov, I., Korichi, A., Korten, W., Kroll, Th., Krucken, R., Kurz, N., Ky, B. Y., Labiche, M., Lafay, X., Lavergne, L., Lazarus, I. H., Leboutelier, S., Lefebvre, F., Legay, E., Legeard, L., Lelli, F., Lenzi, S. M., Leoni, S., Lermitage, A., Lersch, D., Leske, J., Letts, S. C., Lhenoret, S., Lieder, R. M., Linget, D., Ljungvall, J., Lopez-Martens, A., Lotode, A., Lunardi, S., Maj, A., Marel, J. van der, Mariette, Y., Marginean, N., Marginean, R., Maron, G., Mather, A. R., Meczynski, W., Mendez, V., Medina, P., Melon, B., Menegazzo, R., Mengoni, D., Merchan, E., Mihailescu, L., Michelagnoli, C., Mierzejewski, J., Milechina, L., Million, B., Mitev, K., Molini, P., Montanari, D., Moon, S., Morbiducci, F., Moro, R., Morrall, P. S., Möller, O., Nannini, A., Napoli, D. R., Nelson, L., Nespolo, M., Ngo, V. L., Nicoletto, M., Nicolini, R., Noa, Y. Le, Nolan, P. J., Norman, M., Nyberg, Johan, Obertelli, A., Olariu, A., Orlandi, R., Oxley, D. C., Ozben, C., Ozille, M., Oziol, C., Pachoud, E., Palacz, M., Palin, J., Pancin, J., Parisel, C., Pariset, P., Pascovici, G., Peghin, R., Pellegri, L., Perego, A., Perrier, S., Petcu, M., Petkov, P., Petrache, C., Pierre, E., Pietralla, N., Pietri, S., Pignanelli, M., Piqueras, I., Podolyak, Z., Pouhalec, P. Le, Pouthas, J., Pugnere, D., Pucknell, V. F. E., Pullia, A., Quintana, B., Raine, R., Rainovski, G., Ramina, L., Rampazzo, G., Rana, G. La, Rebeschini, M., Recchia, F., Redon, N., Reese, M., Reiter, P., Regan, P. H., Riboldi, S., Richer, M., Rigato, M., Rigby, S., Ripamonti, G., Robinson, A. P., Robin, J., Roccaz, J., Ropert, J. -A, Rosse, B., Rossi Alvarez, C., Rosso, D., Rubio, B., Rudolph, D., Saillant, F., Sahin, E., Salomon, F., Salsac, M. -D, Salt, J., Salvato, G., Sampson, J., Sanchis, E., Santos, C., Schaffner, H., Schlarb, M., Scraggs, D. P., Seddon, D., Senyigit, M., Sigward, M. -H, Simpson, G., Simpson, J., Slee, M., Smith, J. F., Sona, P., Sowicki, B., Spolaore, P., Stahl, C., Stanios, T., Stefanova, E., Stezowski, O., Strachan, J., Suliman, G., Söderström, Pär-Anders, Tain, J. L., Tanguy, S., Tashenov, S., Theisen, Ch., Thornhill, J., Tomasi, F., Toniolo, N., Touzery, R., Travers, B., Triossi, A., Tripon, M., Tun-Lanoe, K. M. M., Turcato, M., Unsworth, C., Ur, C. A., Valiente-Dobon, J. J., Vandone, V., Vardaci, E., Venturelli, R., Veronese, F., Veyssiere, Ch., Viscione, E., Wadsworth, R., Walker, P. M., Warr, N., Weber, C., Weisshaar, D., Wells, D., Wieland, O., Wiens, A., Wittwer, G., Wollersheim, H. J., Zocca, F., Zamfir, N. V., Zieblinski, M., and Zucchiatti, A.

Abstract

The Advanced GAmma Tracking Array (AGATA) is a European project to develop and operate the next generation gamma-ray spectrometer. AGATA is based on the technique of gamma-ray energy tracking in electrically segmented high-purity germanium crystals. This technique requires the accurate determination of the energy, time and position of every interaction as a gamma ray deposits its energy within the detector volume. Reconstruction of the full interaction path results in a detector with very high efficiency and excellent spectral response. The realisation of gamma-ray tracking and AGATA is a result of many technical advances. These include the development of encapsulated highly segmented germanium detectors assembled in a triple cluster detector cryostat, an electronics system with fast digital sampling and a data acquisition system to process the data at a high rate. The full characterisation of the crystals was measured and compared with detector-response simulations. This enabled pulse-shape analysis algorithms, to extract energy, time and position, to be employed. In addition, tracking algorithms for event reconstruction were developed. The first phase of AGATA is now complete and operational in its first physics campaign. In the future AGATA will be moved between laboratories in Europe and operated in a series of campaigns to take advantage of the different beams and facilities available to maximise its science output. The paper reviews all the achievements made in the AGATA project including all the necessary infrastructure to operate and support the spectrometer.

Published
2012
Full Text
View/download PDF

10. High-spin structure in K-40

Author

Söderström, Pär-Anders, Recchia, F., Nyberg, Johan, Gadea, A., Lenzi, S. M., Poves, A., Atac, A., Aydin, S., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Boston, A. J., Boston, H. C., Bruyneel, B., Bucurescu, D., Calore, E., Cederwall, B., Charles, L., Chavas, J., Colosimo, S., Crespi, F. C. L., Cullen, D. M., de Angelis, G., Desesquelles, P., Dosme, N., Duchene, G., Eberth, J., Farnea, E., Filmer, F., Gorgen, A., Gottardo, A., Grebosz, J., Gulmini, M., Hess, H., Hughes, T. A., Jaworski, G., Jolie, J., Joshi, P., Judson, D. S., Jungclaus, A., Karkour, N., Karolak, M., Kempley, R. S., Khaplanov, A., Korten, W., Ljungvall, J., Lunardi, S., Maj, A., Maron, G., Meczynski, W., Menegazzo, R., Mengoni, D., Michelagnoli, C., Molini, P., Napoli, D. R., Nolan, P. J., Norman, M., Obertelli, A., Podolyak, Zs., Pullia, A., Quintana, B., Redon, N., Regan, P. H., Reiter, P., Robinson, A. P., Sahin, E., Simpson, J., Salsac, M. D., Smith, J. F., Stezowski, O., Theisen, Ch., Tonev, D., Unsworth, C., Ur, C. A., Valiente-Dobon, J. J., Wiens, A., Söderström, Pär-Anders, Recchia, F., Nyberg, Johan, Gadea, A., Lenzi, S. M., Poves, A., Atac, A., Aydin, S., Bazzacco, D., Bednarczyk, P., Bellato, M., Birkenbach, B., Bortolato, D., Boston, A. J., Boston, H. C., Bruyneel, B., Bucurescu, D., Calore, E., Cederwall, B., Charles, L., Chavas, J., Colosimo, S., Crespi, F. C. L., Cullen, D. M., de Angelis, G., Desesquelles, P., Dosme, N., Duchene, G., Eberth, J., Farnea, E., Filmer, F., Gorgen, A., Gottardo, A., Grebosz, J., Gulmini, M., Hess, H., Hughes, T. A., Jaworski, G., Jolie, J., Joshi, P., Judson, D. S., Jungclaus, A., Karkour, N., Karolak, M., Kempley, R. S., Khaplanov, A., Korten, W., Ljungvall, J., Lunardi, S., Maj, A., Maron, G., Meczynski, W., Menegazzo, R., Mengoni, D., Michelagnoli, C., Molini, P., Napoli, D. R., Nolan, P. J., Norman, M., Obertelli, A., Podolyak, Zs., Pullia, A., Quintana, B., Redon, N., Regan, P. H., Reiter, P., Robinson, A. P., Sahin, E., Simpson, J., Salsac, M. D., Smith, J. F., Stezowski, O., Theisen, Ch., Tonev, D., Unsworth, C., Ur, C. A., Valiente-Dobon, J. J., and Wiens, A.

Abstract

High-spin states of K-40 have been populated in the fusion-evaporation reaction C-12(Si-30,np)K-40 and studied by means of gamma-ray spectroscopy techniques using one triple-cluster detector of the Advanced Gamma Tracking Array at the Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro. Several states with excitation energy up to 8 MeV and spin up to 10(-) have been discovered. These states are discussed in terms of J = 3 and T = 0 neutron-proton hole pairs. Shell-model calculations in a large model space have shown good agreement with the experimental data for most of the energy levels. The evolution of the structure of this nucleus is here studied as a function of excitation energy and angular momentum.

Published
2012
Full Text
View/download PDF

11. Interaction position resolution simulations and in-beam measurements of the AGATA HPGe detectors

Author

Söderström, P. -A, Recchia, F., Nyberg, Johan, Al-Adili, A., Ataç, A., Aydin, S., Bazzacco, D., Bednarczyk, P., Birkenbach, B., Bortolato, D., Boston, A. J., Boston, H. C., Bruyneel, B., Bucurescu, D., Calore, E., Colosimo, S., Crespi, F. C. L., Dosme, N., Eberth, J., Farnea, E., Filmer, F., Gadea, A., Gottardo, A., Grave, X., Grebosz, J., Griffiths, R., Gulmini, M., Habermann, T., Hess, H., Jaworski, G., Jones, P., Joshi, P., Judson, D. S., Kempley, R., Khaplanov, A., Legay, E., Lersch, D., Ljungvall, J., Lopez-Martens, A., Meczynski, W., Mengoni, D., Michelagnoli, C., Molini, P., Napoli, D. R., Orlandi, R., Pascovici, G., Pullia, A., Reiter, P., Sahin, E., Smith, J. F., Strachan, J., Tonev, D., Unsworth, C., Ur, C. A., Valiente-Dobón, J. J., Veyssiere, C., Wiens, A., Söderström, P. -A, Recchia, F., Nyberg, Johan, Al-Adili, A., Ataç, A., Aydin, S., Bazzacco, D., Bednarczyk, P., Birkenbach, B., Bortolato, D., Boston, A. J., Boston, H. C., Bruyneel, B., Bucurescu, D., Calore, E., Colosimo, S., Crespi, F. C. L., Dosme, N., Eberth, J., Farnea, E., Filmer, F., Gadea, A., Gottardo, A., Grave, X., Grebosz, J., Griffiths, R., Gulmini, M., Habermann, T., Hess, H., Jaworski, G., Jones, P., Joshi, P., Judson, D. S., Kempley, R., Khaplanov, A., Legay, E., Lersch, D., Ljungvall, J., Lopez-Martens, A., Meczynski, W., Mengoni, D., Michelagnoli, C., Molini, P., Napoli, D. R., Orlandi, R., Pascovici, G., Pullia, A., Reiter, P., Sahin, E., Smith, J. F., Strachan, J., Tonev, D., Unsworth, C., Ur, C. A., Valiente-Dobón, J. J., Veyssiere, C., and Wiens, A.

Abstract

The interaction position resolution of the segmented HPGe detectors of an AGATA triple cluster detector has been studied through Monte Carlo simulations and in an in-beam experiment. A new method based on measuring the energy resolution of Doppler-corrected γ ‐ ray spectra at two different target to detector distances is described. This gives the two-dimensional position resolution in the plane perpendicular to the direction of the emitted γ ‐ ray . The γ ‐ ray tracking was used to determine the full energy of the γ ‐ rays and the first interaction point, which is needed for the Doppler correction. Five different heavy-ion induced fusion-evaporation reactions and a reference reaction were selected for the simulations. The results of the simulations show that the method works very well and gives a systematic deviation of < 1 mm in the FWHM of the interaction position resolution for the γ ‐ ray energy range from 60 keV to 5 MeV. The method was tested with real data from an in-beam measurement using a 30Si beam at 64 MeV on a thin 12C target. Pulse-shape analysis of the digitized detector waveforms and γ ‐ ray tracking was performed to determine the position of the first interaction point, which was used for the Doppler corrections. Results of the dependency of the interaction position resolution on the γ ‐ ray energy and on the energy, axial location and type of the first interaction point, are presented. The FWHM of the interaction position resolution varies roughly linearly as a function of γ ‐ ray energy from 8.5 mm at 250 keV to 4 mm at 1.5 MeV, and has an approximately constant value of about 4 mm in the γ ‐ ray energy range from 1.5 to 4 MeV.

Published
2011

Catalog

Books, media, physical & digital resources
See catalog results