The all-sky distribution of 511 keV electron-positron annihilation emission (2007)
Knödlseder, J., Jean, P., Lonjou, V., Weidenspointner, G., Guessoum, N., Gillard, W., ...
We present a map of 511 keV electron-positron annihilation emission, based on data accumulated with the SPI spectrometer aboard ESA's INTEGRAL gamma-ray observatory, that covers approximately 95% of...
Weidenspointner, G., Knoedlseder, J., Jean, P., Skinner, G. K., Vedrenne, G., ...
The imaging spectrometer SPI on board ESA's INTEGRAL observatory provides us with an unprecedented view of positron annihilation in our Galaxy. The first sky maps in the 511 keV annihilation line and...
Calibration of the spectrometer aboard the INTEGRAL satellite (2007)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
SPI, the Spectrometer on board the ESA INTEGRAL satellite, to be launched in October 2002, will study the gammaray sky in the 20 keV to 8 MeV energy band with a spectral resolution of 2 keV for...
Calibration of the spectrometer aboard the INTEGRAL satellite (2007)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
SPI, the Spectrometer on board the ESA INTEGRAL satellite, to be launched in October 2002, will study the gammaray sky in the 20 keV to 8 MeV energy band with a spectral resolution of 2 keV for...
Calibration of the spectrometer aboard the INTEGRAL satellite (2007)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
SPI, the Spectrometer on board the ESA INTEGRAL satellite, to be launched in October 2002, will study the gammaray sky in the 20 keV to 8 MeV energy band with a spectral resolution of 2 keV for...
Spectral analysis of the galactic positron annihilation emission (2007)
Jean, P., Weidenspointner, G., Knödlseder, J., Skinner, G. K., Von Ballmoos, P., ...
INTEGRAL/SPI ground calibration (2006)
Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...
Three calibration campaigns of the spectrometer SPI have been performed before launch in order to determine the instrument characteristics, such as the effective detection area, the spectral...
Weidenspointner, G., Shrader, C. R., Knoedlseder, J., Jean, P., Lonjou, V., Guessoum, N., ...
We present a measurement of the sky distribution of positronium (Ps) annihilation continuum emission obtained with the SPI spectrometer on board ESA's INTEGRAL observatory. The only sky region from...
MAX: Development of a Laue diffraction lens for nuclear astrophysics (2006)
Barriere, N., Von Ballmoos, P., Skinner, G., Smither, B., Bastie, P., Hinglais, E., ...
The next generation of instrumentation for nuclear astrophysics will have to achieve an improvement in sensitivity by a factor of 10100 over present technologies. With the focusing gamma-ray...
MAX: Development of a Laue diffraction lens for nuclear astrophysics (2006)
Barriere, N., Von Ballmoos, P., Skinner, G., Smither, B., Bastie, P., Hinglais, E., ...
The next generation of instrumentation for nuclear astrophysics will have to achieve an improvement in sensitivity by a factor of 10100 over present technologies. With the focusing gamma-ray...
MAX: Development of a Laue diffraction lens for nuclear astrophysics (2006)
Barriere, N., Von Ballmoos, P., Skinner, G., Smither, B., Bastie, P., Hinglais, E., ...
The next generation of instrumentation for nuclear astrophysics will have to achieve an improvement in sensitivity by a factor of 10100 over present technologies. With the focusing gamma-ray...
SPI/INTEGRAL observation of the Cygnus region (2005)
Bouchet, L., Jourdain, E., Mandrou, P., Von Ballmoos, P., Boggs, S., ...
We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing ${\\sim}$ 600 ks of data. Three sources namely...
In flight performance and first results of FREGATE (2005)
Atteia, J-L., Boer, M., Cotin, F., Couteret, J., Dezalay, J-P., Ehanno, M., ...
The gamma-ray detector of HETE-2, called FREGATE, has been designed to detect gamma-ray bursts in the energy range [6-400] keV. Its main task is to alert the other instruments of the occurrence of a...
The all-sky distribution of 511 keV electron-positron annihilation emission (2005)
Knödlseder, J., Jean, P., Lonjou, V., Weidenspointner, G., Guessoum, N., Gillard, W., ...
We present a map of 511 keV electron-positron annihilation emission, based on data accumulated with the SPI spectrometer aboard ESA's INTEGRAL gamma-ray observatory, that covers approximately 95% of...
The all-sky distribution of 511 keV electron-positron annihilation emission (2005)
Knödlseder, J., Jean, P., Lonjou, V., Weidenspointner, G., Guessoum, N., Gillard, W., ...
A mystery of the galactic bulge: SPI observations of positron annihilation (2005)
Weidenspointner, G., Knödlseder, J., Jean, P., Lonjou, V., Von Ballmoos, P., Harris, M., ...
Weidenspointner, G., Lonjou, V., Knoedlseder, J., Jean, P., Allain, M., Von Ballmoos, P., ...
During its first year in orbit the INTEGRAL observatory performed deep exposures of the Galactic Center region and scanning observations of the Galactic plane. We report on the status of our analysis...
SPI/INTEGRAL observation of 1809 keV gamma-ray line emission from the Cygnus X region (2004)
Knödlseder, J., Valsesia, M., Allain, M., Boggs, S., Diehl, R., Jean, P., ...
We present first results on the observation of 1809 keV gamma-ray line emission from the Cygnus X region with the SPI imaging spectrometer. Our analysis is based on data from the performance...
Al(26) Studies with INTEGRAL's Spectrometer SPI (2004)
Diehl, R., Kretschmer, K., Lichti, G., Schönfelder, V., Strong, A. W., Von Kienlin, A., ...
Al(26) radioactivity traces recent nucleosynthesis throughout the Galaxy, and is known to be produced in massive stars and novae. The map from its decay gamma-ray line suggests massive stars to...
Search for a light dark matter annihilation signal in the Sagittarius Dwarf Galaxy (2004)
Cordier, B., Attie, D., Casse, M., Paul, J., Schanne, S., Sizun, P., ...
The 511 keV emission from the Galactic Bulge observed by INTEGRAL/SPI could be the product of light (1-100 MeV) annihilating dark matter particles. In order to distinguish between annihilating light...
Search for gamma-ray line emission from the radioactive decay of 60Fe with SPI (2004)
Knodlseder, J., Cisana, E., Diehl, R., Lichti, G., Harris, M., Jean, P., ...
The search for gamma-ray line emission from the radioactive decay of 60Fe figures among the prime scientific objectives of the INTEGRAL mission. 60Fe is believed to be primarily produced in...
6 Al studies with INTEGRAL's spectrometer SPI (2004)
Diehl, R., Kretschmer, K., Lichti, G., Schönfelder, V., Strong, A. W., Kienlin, A. Von, ...
SPI/INTEGRAL observations of 1809 keV gamma-ray line emission from the Cygnus X region (2004)
Knödlseder, J., Valsesia, M., Allain, M., Boggs, S., Diehl, R., Jean, P., ...
Status of the 511 keV line from the Galactic Centre region (2004)
Jean, P., Ballmoos, P. Von, Knödlseder, J., Lonjou, V., Weidenspointner, G., Skinner, G. K., ...
The SPI/INTEGRAL survey of the Galactic Plane after one year (2004)
Bouchet, L., Jourdain, E., Roques, J. P., Mandrou, P., Jean, P., Skinner, G., ...
INTEGRAL/SPI observation of the 2003 Oct 28 solar flare (2004)
Gros, M., Tatischeff, V., Kiener, J., Cordier, B., Chapuis, C., Weidenspointner, G., ...
The first year of INTEGRAL/SPI : Status of 511 KEV positron annihilation line observations (2004)
Weidenspointner, G., Lonjou, V., Knödlseder, J., Jean, P., Allain, M., Von Ballmoos, P., ...
Neutron-induced nuclear reactions and degradation in germanium detectors (2003)
Leleux, P., Albernhe, F., Borrel, V., Cordier, B., Coszach, R., Crespin, S., ...
We have measured cross sections of neutron-induced nuclear reactions leading to the delayed production of -ray lines similar to the ones of astrophysical interest. Conclusions were drawn concerning...
Neutron-induced nuclear reactions and degradation in germanium detectors (2003)
Leleux, P., Albernhe, F., Borrel, V., Cordier, B., Coszach, R., Crespin, S., ...
We have measured cross sections of neutron-induced nuclear reactions leading to the delayed production of -ray lines similar to the ones of astrophysical interest. Conclusions were drawn concerning...
Neutron-induced nuclear reactions and degradation in germanium detectors (2003)
Leleux, P., Albernhe, F., Borrel, V., Cordier, B., Coszach, R., Crespin, S., ...
We have measured cross sections of neutron-induced nuclear reactions leading to the delayed production of -ray lines similar to the ones of astrophysical interest. Conclusions were drawn concerning...
Calibration of the Spectrometer aboard the INTEGRAL satellite (2003)
Schanne, Stéphane, Cordier, B., Gros, M., Attié, D., Ballmoos, P. V., Bouchet, L., ...
SPI, the Spectrometer on board the ESA INTEGRAL satellite, to be launched in October 2002, will study the gamma-ray sky in the 20 keV to 8 MeV energy band with a spectral resolution of 2 keV for...
SPI/INTEGRAL in-flight performance (2003)
Schanne, S., Von Kienlin, A., Knödlseder, J., Briet, R., Bouchet, L., ...
The SPI instrument has been launched on-board the INTEGRAL observatory on October 17, 2002. SPI is a spectrometer devoted to the sky observation in the 20 keV-8 MeV energy range using 19 germanium...
Highlights of the HETE-2 Mission (2003)
Lamb, D. Q., Ricker, G. R., Barraud, C., Boer, M., Braga, J., ...
The HETE-2 mission has been highly productive. It has observed more than 250 GRBs so far. It is currently localizing 25 - 30 GRBs per year, and has localized 43 GRBs to date. Twenty-one of these...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Mandrou, P., Von Ballmoos, P., Boggs, S., ...
We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing ${\sim}$ 600 ks of data. Three sources namely...
Early SPI/INTEGRAL measurements of galactic 511 keV line emission from positron annihilation (2003)
Jean, P., Knoedlseder, J., Lonjou, V., Allain, M., Skinner, G. K., ...
We report the first measurements of the 511 keV line emission from the Galactic Centre (GC) region performed with the spectrometer SPI on the space observatory INTEGRAL (International Gamma-Ray...
Knodlseder, J., Lonjou, V., Jean, P., Allain, M., Mandrou, P., ...
We provide first constraints on the morphology of the 511 keV line emission from the galactic centre region on basis of data taken with the spectrometer SPI on the INTEGRAL gamma-ray observatory. The...
Scientific Highlights of the HETE-2 Mission (2003)
Lamb, D. Q., Ricker, G. R., Atteia, J-L., Barraud, C., Boer, M., Braga, J., ...
The HETE-2 mission has been highly productive. It has observed more than 250 GRBs so far. It is currently localizing 25 - 30 GRBs per year, and has localized 43 GRBs to date. Twenty-one of these...
INTEGRAL/SPI ground calibration (2003)
Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...
Three calibration campaigns of the spectrometer SPI have been performed before launch in order to determine the instrument characteristics, such as the effective detection area, the spectral...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Mandrou, P., Von Ballmoos, P., Boggs, S., ...
We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing ${\\sim}$ 600 ks of data. Three sources namely...
INTEGRAL/SPI ground calibration (2003)
Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...
Three calibration campaigns of the spectrometer SPI have been performed before launch in order to determine the instrument characteristics, such as the effective detection area, the spectral...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
INTEGRAL/SPI ground calibration (2003)
Attie, D., Cordier, B., Gros, M., Laurent, P., Schanne, S., Tauzin, G., ...
Calibration of the spectrometer aboard the INTEGRAL satellite (2003)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
INTEGRAL/SPI ground calibration (2003)
Attie, D., Cordier, B., Gros, M., Laurent, P., Schanne, S., Tauzin, G., ...
Calibration of the spectrometer aboard the INTEGRAL satellite (2003)
Schanne, S., Cordier, B., Gros, M., Attie, D., Von Ballmoos, P., Bouchet, L., ...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Mandrou, P., Von Ballmoos, P., Boggs, S., ...
We present the analysis of the first observations of the Cygnus region by the SPI spectrometer onboard the Integral Gamma Ray Observatory, encompassing ${\\sim}$ 600 ks of data. Three sources namely...
INTEGRAL/SPI ground calibration (2003)
Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...
Three calibration campaigns of the spectrometer SPI have been performed before launch in order to determine the instrument characteristics, such as the effective detection area, the spectral...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
On Oct. 17, 2002, the ESA INTEGRAL observatory was launched into a highly elliptical orbit. SPI, a high resolution Ge spectrometer covering an energy range of 20-8000 keV, is one of its two main...
SPI instrumental background characteristics (2003)
Jean, P., Vedrenne, G., Roques, J.P., Schonfelder, V., Teegarden, B.J., Von Kienlin, A., ...
In its space environment the INTEGRAL observatory is subject to an intense irradiation by energetic cosmic-ray particles that leads, via nuclear interactions with the telescope and spacecraft...
Early SPI/INTEGRAL measurements of 511 keV line emission from the 4th quadrant of the Galaxy (2003)
Jean, P., Knödlseder, J., Lonjou, V., Allain, M., Skinner, G. K., ...
SPI : The spectrometer aboard INTEGRAL (2003)
Vedrenne, G., Schönfelder, V., Mandrou, P., Lichti, G. G., Kienlin, A. Von, ...
INTEGRAL/SPI ground calibration (2003)
Attié, D., Cordier, B., Gros, M., Laurent, Ph., Schanne, S., Tauzin, G., ...
SPI/INTEGRAL in-flight performance (2003)
Roques, J. P., Schanne, S., Kienlin, A. Von, Knödlseder, J., Briet, R., Bouchet, L., ...
SPI instrumental background characteristics (2003)
Jean, P., Vedrenne, G., Roques, J. P., Schönfelder, V., Teegarden, B. J., Kienlin, A. Von, ...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, B. J., Wunderer, C., ...
SPI/INTEGRAL observation of the Cygnus region (2003)
Bouchet, L., Jourdain, E., Roques, J. P., Mandrou, P., Ballmoos, P. Von, Boggs, S., ...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
On Oct. 17, 2002, the ESA INTEGRAL observatory was launched into a highly elliptical orbit. SPI, a high resolution Ge spectrometer covering an energy range of 20-8000 keV, is one of its two main...
SPI instrumental background characteristics (2003)
Jean, P., Vedrenne, G., Roques, J.P., Schonfelder, V., Teegarden, B.J., Von Kienlin, A., ...
In its space environment the INTEGRAL observatory is subject to an intense irradiation by energetic cosmic-ray particles that leads, via nuclear interactions with the telescope and spacecraft...
First identification and modelling of SPI background lines (2003)
Weidenspointner, G., Kiener, J., Gros, M., Jean, P., Teegarden, BJ., Wunderer, C., ...
On Oct. 17, 2002, the ESA INTEGRAL observatory was launched into a highly elliptical orbit. SPI, a high resolution Ge spectrometer covering an energy range of 20-8000 keV, is one of its two main...
SPI instrumental background characteristics (2003)
Jean, P., Vedrenne, G., Roques, J.P., Schonfelder, V., Teegarden, B.J., Von Kienlin, A., ...
In its space environment the INTEGRAL observatory is subject to an intense irradiation by energetic cosmic-ray particles that leads, via nuclear interactions with the telescope and spacecraft...
In flight performance and first results of FREGATE (2002)
Atteia, J-L., Boer, M., Cotin, F., Couteret, J., Dezalay, J-P., Ehanno, M., ...
The gamma-ray detector of HETE-2, called FREGATE, has been designed to detect gamma-ray bursts in the energy range [6-400] keV. Its main task is to alert the other instruments of the occurrence of a...
GRB010921: Localization and Observations by the HETE Satellite (2002)
Ricker, G., Hurley, K., Lamb, D., Woosley, S., Atteia, J-L, Kawai, N., ...
On September 21 at 18950.56 SOD (05:15:50.56) UT the FREGATE gamma-ray instrument on the High Energy Transient Explorer (HETE) detected a bright gamma-ray burst (GRB). The burst was also seen by the...
In flight performance and first results of FREGATE (2002)
Atteia, J-L., Boer, M., Cotin, F., Couteret, J., Dezalay, J-P., Ehanno, M., ...
The gamma-ray detector of HETE-2, called FREGATE, has been designed to detect gamma-ray bursts in the energy range [6-400] keV. Its main task is to alert the other instruments of the occurrence of a...
In flight performance and first results of FREGATE (2002)
Atteia, J-L., Boer, M., Cotin, F., Couteret, J., Dezalay, J-P., Ehanno, M., ...
The gamma-ray detector of HETE-2, called FREGATE, has been designed to detect gamma-ray bursts in the energy range [6-400] keV. Its main task is to alert the other instruments of the occurrence of a...
Observations of the Soft Gamma-Ray early Afterglow emission from Two Bright Gamma-ray Bursts (2000)
Tkachenko, A., Terekhov, O., Sunyaev, R., Burenin, R., Barat, C., ...
We present the results of observations of the soft gamma-ray early afterglows with the energy above 100keV from two bright Gamma-ray bursts detected by the PHEBUS instrument of the GRANAT orbital...
Long-Term Variability of the Hard X-ray Source GRS 1758-258: GRANAT/SIGMA Observations (1999)
Kuznetsov, S. I., Gilfanov, M. R., Churazov, E. M., Sunyaev, R. A., Dyachkov, A. V., Khavenson, N. G., ...
The results of GRANAT/SIGMA hard X-ray observations of GRS 1758-258 in 1990-1998 are presented. The source lies at ~5\arcdeg from the Galactic Center and was within the SIGMA field of view during the...
Jean, P., Gomez-Gomar, J., Hernanz, M., Jose, J., Isern, J., Vedrenne, G., ...
The shield of the INTEGRAL spectrometer provides a large detection area with a wide field-of-view. Calculations have been performed to check whether the temporal analysis of the counting rate of the...
GRANAT/SIGMA Observation of the Early Afterglow from GRB 920723 in Soft Gamma-Rays (1999)
Burenin, R. A., Vikhlinin, A. A., Gilfanov, M. R., Terekhov, O. V., Tkachenko, A. Yu., Sazonov, S. Yu., ...
We present a GRANAT/SIGMA observation of the soft gamma-ray afterglow immediately after GRB 920723. The main burst is very bright. After ~6 s, the burst light curve makes a smooth transition into an...
SIGMA observations of X-ray Nova Velorum 1993 (GRS 1009-45) (1997)
Goldoni, P., Vargas, M., Goldwurm, A., Laurent, P., Jourdain, E., ...
We report on hard X-ray observations of X-ray Nova Velorum 1993 (GRS 1009-45) performed with the SIGMA coded mask X-ray telescope in January 1994. The source was clearly detected with a flux of about...
The spectrometer SPI of the INTEGRAL mission (1996)
Lichti, G. G., Schönfelder, V., Diehl, R., Georgii, R., Kirchner, T., Vedrenne, G., ...
SURSAUTS DE RAYONNEMENT GAMMA (1975)
Des satellites de la série Véla ont récemment mis en évidence la présence de sursauts γ dans le domaine d'énergie 0,2-1,5 MeV. Ces sursauts durent en moyenne de 0,1 à 10 s et ils...
SURSAUTS DE RAYONNEMENT GAMMA (1975)
Des satellites de la série Véla ont récemment mis en évidence la présence de sursauts γ dans le domaine d'énergie 0,2-1,5 MeV. Ces sursauts durent en moyenne de 0,1 à 10 s et ils...
SURSAUTS DE RAYONNEMENT GAMMA (1975)
Des satellites de la série Véla ont récemment mis en évidence la présence de sursauts γ dans le domaine d'énergie 0,2-1,5 MeV. Ces sursauts durent en moyenne de 0,1 à 10 s et ils...
DIFFUSION ÉLASTIQUE DES NEUTRONS PAR LE TRITIUM A 14 MeV (1966)
Blanc, D., Cambou, F., Niel, M., Vedrenne, G.
La diffusion élastique (n, t) est étudiée en plaçant le diffuseur de faible épaisseur au-dessus d'un scintillateur de ICs. La distribution expérimentale des tritons de recul émis sous l'impact...
DIFFUSION ÉLASTIQUE DES NEUTRONS PAR LE TRITIUM A 14 MeV (1966)
Blanc, D., Cambou, F., Niel, M., Vedrenne, G.
La diffusion élastique (n, t) est étudiée en plaçant le diffuseur de faible épaisseur au-dessus d'un scintillateur de ICs. La distribution expérimentale des tritons de recul émis sous l'impact...
DIFFUSION ÉLASTIQUE DES NEUTRONS PAR LE TRITIUM A 14 MeV (1966)
Blanc, D., Cambou, F., Niel, M., Vedrenne, G.
La diffusion élastique (n, t) est étudiée en plaçant le diffuseur de faible épaisseur au-dessus d'un scintillateur de ICs. La distribution expérimentale des tritons de recul émis sous l'impact...