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SUMMARY:Low-energy nuclear physics at ALTO : beta-decay and friends
DTSTART:20260326T130000Z
DTEND:20260326T140000Z
DTSTAMP:20260419T014100Z
UID:indico-event-13535@indico.ijclab.in2p3.fr
CONTACT:pierre.arthuis@ijclab.in2p3.fr
DESCRIPTION:Speakers: Guillem Tocabens (IJCLab)\n\nβ-decay spectroscopy m
 easurements are usually the first ones to be carried out on exotic nuclei.
  Despite their relative simplicity\, they allow access to global observabl
 es (half-lives T1/2\, delayed emission probabilities Pn/P2n\, Qβ) but als
 o to spin\, transition rates and lifetimes of excited states in daughter n
 uclei. All these observables are used to test and constrain theoretical mo
 dels aiming at describing nuclear structure. At the ALTO facility (Accél
 érateur Linéaire et Tandem à Orsay) neutron-rich radioactive ion beams 
 are produced using the ISOL (Isotope Separation On-Line) technique\, based
  on the photofission of uranium targets irradiated with a 50 MeV electron 
 beam. These beams are then delivered to one of three setups dedicated to 
 β-decay spectroscopy\, allowing the observation of all emission products 
 after radioactive decay of the produced exotic beam : COeCO (electrons)\, 
 BEDO (gammas) and TETRA (neutrons). The ALTO β-decay scientific program i
 s focused around two main themes which will be discussed in this seminar :
  nuclear structure around and above the neutron separation threshold and s
 hape coexistence at low-energy. In addition to decay spectroscopy\, the tw
 o other pillars of low-energy nuclear physics are represented in MLLTRAP (
 ion manipulation) for mass measurements\, as well as POLAREX and LINO (hyp
 erfine structure) for nuclear orientation and laser spectroscopy. These la
 st three setups\, once they enter their operation phase\, will allow the e
 xtension of the physics program in the mass region relevant at ALTO. They 
 will give access to others observables which are unreachable with the alre
 ady running β-decay setups and add to the uniqueness of the ALTO facility
 .\n\nhttps://indico.ijclab.in2p3.fr/event/13535/
LOCATION:100/2-A201 - Salle A201 (IJCLab)
URL:https://indico.ijclab.in2p3.fr/event/13535/
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