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SUMMARY:First Observation of New Isotopes at FRIB: What Comes Next?
DTSTART;VALUE=DATE-TIME:20240531T111000Z
DTEND;VALUE=DATE-TIME:20240531T113000Z
DTSTAMP;VALUE=DATE-TIME:20260315T175659Z
UID:indico-contribution-23103@indico.ific.uv.es
DESCRIPTION:Speakers: Oleg B. Tarasov (FRIB / MSU)\nThe Facility for Rare 
 Isotope Beams (FRIB)  [1] is a US Department of Energy User facility provi
 ding primary\, heavy-ion beams with energies up to 300 MeV/u (typically 25
 0 MeV/u for most mid-mass beams). Typical beam intensities are 500 pnA wit
 h plans to increase to 20\,000 pnA. This capability positions FRIB as a pi
 votal resource for accessing a broad spectrum of rare isotope beams. Herei
 n\, we present the first observations of new isotopes at FRIB\, achieved t
 hrough the interaction of a 198Pt beam with a carbon target at 186 MeV/u a
 nd a beam power of 1.5 kW\, which is equivalent to 41 pnA. This discovery\
 , occurring within FRIB's inaugural year\, underscores its potential for  
 research with beams of rare isotopes. We detail the particle identificatio
 n process for reaction products\, employing event-by-event analysis of ene
 rgy loss\, time of flight\, magnetic rigidity\, and total kinetic energy\,
  and compare these findings to those from the National Superconducting Cyc
 lotron Laboratory (NSCL) with a 198Pt beam at 85 MeV/u [3]. Moreover\, we 
 discuss the efficacy of a multi-step reaction scheme for probing the neutr
 on-rich region\, highlighting the Abrasion-Ablation model's role in predic
 ting production cross sections for previously unobserved isotopes. This di
 scussion integrates the latest theoretical and experimental insights\, alo
 ngside computational advancements. The evolution of FRIB's capabilities\, 
 marked by the transition to full intensity\, heralds a new era for the exp
 loration of rare isotopes\, promising significant contributions to nuclear
  physics.\nReferences:\n1.	T. Glasmacher et al.\, Nuclear Physics News 27\
 , 28 (2017).\n2.	O.B. Tarasov et al.\, Phys. Rev. Lett. 132\, 072501 (2024
 ).\n3.	K. Haak et al.\, Phys. Rev. C 108\, 034608 (2023).\n\nhttps://indic
 o.ific.uv.es/event/7332/contributions/23103/
LOCATION:ADEIT - Valencia
URL:https://indico.ific.uv.es/event/7332/contributions/23103/
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