exotic beams
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2021 ◽  
Vol 57 (3) ◽  
Author(s):  
R. Lichtenthäler ◽  
O. C. B. Santos ◽  
A. Serra ◽  
U. Umbelino ◽  
K. C. C. Pires ◽  
...  
Keyword(s):  

2021 ◽  
Vol 253 ◽  
pp. 01001
Author(s):  
Felix Pino ◽  
Jessica Delgado ◽  
Giorgia Mantovani ◽  
Lucio Pancheri ◽  
Daniela Fabris ◽  
...  

The Active Target ATS (Active Target for SPES) is a new time-projection chamber designed for reaction and decay studies with nuclei far from stability. The physics cases for the new-generation active target are related to the ongoing developments of facilities for radioactive ion beams. Thanks to its flexibility, this instrument will be capable of taking advantage of the most exotic beams which will become available at the SPES facility under construction at the Legnaro National Laboratories in Italy. Particular attention will be also paid to couple it with ancillary detectors, for both charged and neutral (gamma and neutrons) particles. In particular, in this work, we will focus the attention on the neutron ancillary detectors. The proposed prototype is a compact device able to discriminate, by performing pulse shape analysis, between neutrons and gamma. The device take advantage of recent improvements in silicon photomultiplier (SiPM) technology and the development of new plastic scintillators exhibiting neutron/gamma discrimination capability. Our work is focused on the read-out with silicon photomultipliers arrays of EJ-276 (and its old version EJ-299) and EJ-276G scintillators of several sizes (ranging from 20 mm to 50 mm diameter). Moreover, we will show the comparison of discrimination performances between SiPM and standard photomultiplier read-out configurations.


Author(s):  
P. Delahaye ◽  
M. Dubois ◽  
L. Maunoury ◽  
A. Annaluru ◽  
J. Angot ◽  
...  
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2019 ◽  
Vol 214 ◽  
pp. 02038
Author(s):  
Dmytro Kresan ◽  
Michael Heil ◽  
Mohammad Al-Turany

The multi-purpose R3B (Reactions with Relativistic Radioactive Beams) setup at the future FAIR facility in Darmstadt will be used for various experiments with exotic beams in inverse kinematics. In front and after the reaction target a combination of detectors serves for particle identification and momentum measurements. In order to perform a high-precision charge identification of heavy-ion fragments and achieve a momentum resolution of 10-3 following is required: a time of flight (ToF) measurement with up to 15 ps accuracy, position determination on the order of less than 0.5 mm and a dedicated algorithm for the heavy-ion tracking in highly non-homogeneous dipole field. With these constraints a tracking package is being developed and tested within the R3B software framework, this package has to go into production in fall of 2018. An iterative approach has been chosen for simultaneous track finding and fitting. The design and concept of the package are introduced in this paper, also the tests and the resolution measured with simulated data are presented.


2018 ◽  
Vol 28 (4) ◽  
pp. 35-35
Author(s):  
Christoph Scheidenberger

2017 ◽  
Vol 45 (1) ◽  
pp. 010301 ◽  
Author(s):  
María J G Borge ◽  
Klaus Blaum
Keyword(s):  

2017 ◽  
Author(s):  
Shin'Ichiro Michimasa ◽  
Shinsuke Ota ◽  
Masanori Dozono ◽  
Motonobu Takaki ◽  
Keiichi Kisamori ◽  
...  

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