Publications (10)
Numerical evaluation of NLO multiparton processes
S. Becker, D. Goetz, C. Reuschle +2
We discuss an algorithm for the numerical evaluation of NLO multiparton processes. We focus hereby on the virtual part of the NLO calculation, i.e. on evaluating the one-loop integ…
Long term spectral variability in the Soft Gamma-ray Repeater SGR 1900+14
A. Tiengo, P. Esposito, S. Mereghetti +8
We present a systematic analysis of all the BeppoSAX data of SGR1900+14. The observations spanning five years show that the source was brighter than usual on two occasions: ~20 day…
eXTP -- enhanced X-ray Timing and Polarimetry Mission
S. N. Zhang, M. Feroci, A. Santangelo +181
eXTP is a science mission designed to study the state of matter under extreme conditions of density, gravity and magnetism. Primary targets include isolated and binary neutron star…
A new explanation for the SFXTs outbursts
L. Sidoli, P. Romano, S. Mereghetti +4
The physical mechanism responsible for the short outbursts in a recently recognized class of High Mass X-ray Binaries, the Supergiant Fast X-ray Transients (SFXTs), is still unknow…
The THESEUS space mission concept: science case, design and expected performances
L. Amati, P. O'Brien, D. Goetz +208
THESEUS is a space mission concept aimed at exploiting Gamma-Ray Bursts for investigating the early Universe and at providing a substantial advancement of multi-messenger and time-…
Multi-messenger astronomy with INTEGRAL
C. Ferrigno, V. Savchenko, A. Coleiro +19
At the time of defining the science objectives of the INTernational Gamma-Ray Astrophysics Laboratory (INTEGRAL), such a rapid and spectacular development of multi-messenger astron…
Long term spectral variability in the soft gamma ray repeater SGR 1900+14
P. Esposito, S. Mereghetti, A. Tiengo +3
We present a systematic analysis of all the BeppoSAX data of SGR 1900+14. The observations spanning five years show that the source was brighter than usual on two occasions: ~20 da…
Integral results on GRB030320: a long gamma-ray burst detected at the edge of the field of view
A. von Kienlin, V. Beckmann, S. Covino +9
GRB030320 is the 5th Gamma-ray burst (GRB) detected by INTEGRAL in the field of view (FoV). It is so far the GRB with the largest off-axis angle with respect to the INTEGRAL pointi…
Multiparton NLO corrections by numerical methods
S. Becker, D. Goetz, C. Reuschle +2
In this talk we discuss an algorithm for the numerical calculation of one-loop QCD amplitudes and present results at next-to-leading order for jet observables in electron-positron…
Time resolved spectroscopy of GRB030501 using INTEGRAL
V. Beckmann, J. Borkowski, T. J. -L. Courvoisier +7
The Gamma-ray instruments on-board INTEGRAL offer an unique opportunity to perform time resolved analysis on GRBs. The imager IBIS allows accurate positiioning of GRBs and broad ba…