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SUMMARY:Frontiers in Muon Science: From Muon-Catalyzed Fusion to Searches 
 for New Physics
DTSTART:20261014T040000Z
DTEND:20261014T053000Z
DTSTAMP:20261027T110300Z
UID:indico-event-5354@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Xurong Chen（陈旭荣） (Institute of Modern Phys
 ics \, CAS)\n\nAbstract:\nFirst gamma beams at ELI-NP are expected to be d
 elivered in early 2027. While waiting for this event\, the experimental se
 tup have been constructed and a large number of physics studies\, which co
 mplement the ELI-NP gamma-beam physics program\, were performed. For examp
 le\, in the period 2022-2025 four experimental campaigns were carried out 
 at the 9 MW tandem accelerator of IFIN-HH using the largevolume LaBr3:Ce a
 nd CeBr3 detectors of the ELIGANT-GN array which were placed in the anti-C
 ompton shields of the ROSPHERE array [1]. As a result\, a high-efficient s
 pectrometer\, nick-named ELIFANT\, was assembled for detection of high-ene
 rgy gamma rays. ELIFANT was coupled to a Si DSSD placed at either forward\
 , or backward angles. In the experiments\, nuclear level densities and Muo
 n-catalyzed fusion (μCF) offers a distinctive pathway to fusion at low te
 mperatures. By replacing an electron\, a negative muon brings deuterium an
 d tritium nuclei closer together\, greatly enhancing quantum tunnelling. D
 espite experimental demonstrations of over a hundred fusion events per muo
 n\, further progress is limited by alpha-particle sticking\, muon-producti
 on efficiency\, and the overall energy balance of the system.This talk wil
 l review the fundamental mechanisms and key challenges of μCF\, exploring
  potential strategies to enhance catalytic efficiency and the opportunitie
 s offered by major scientific facilities in Huizhou\, including HIAF and C
 iADS\, for future muon-beam and fusion research.Beyond fusion\, muons prov
 ide powerful probes of fundamental interactions. Rare decays and precision
  measurements offer unique opportunities to test lepton universality\, sea
 rch for charged-lepton flavor violation\, and probe physics beyond the Sta
 ndard Model. By connecting particle physics\, nuclear physics\, and future
  energy research\, muon science opens new avenues for both fundamental dis
 covery and technological exploration.γ-strength functions\, were studied\
 , as well as weak γ-ray transitions in light nuclei. In addition\, (d\,p)
  reactions were explored for population of PDR excitations in 54Cr and 62N
 i. In the talk the performance of the spectrometer will be described\, the
  goals of the campaigns will be summarized and first results will be prese
 nted\, the γ-ray spectroscopy in 10B [2]\, the γ-strength functions in 1
 12\,114Sn [3] and first results from the (d\,p) experiments. The ELIGANT-G
 N array was also used to study neutron and γ-ray angular and energy corre
 lations in spontaneous fission of 252Cf [4]. In the talk\, measured double
  or triple neutron correlations will be reported. Finally\, the 4π Si DSS
 D array\, ELISSA\, was used for cross-section measurements of chargedparti
 cle reactions of astrophysics interest. Results from such experiments at E
 LI-NP\, the INFN LNS\, and HIγS\, Duke University will be presented.\nBio
 graphy:\nProf. Xurong Chen is a professor at the Institute of Modern Physi
 cs (IMP)\, Chinese Academy of Sciences (CAS). He is a recipient of the CAS
  Hundred Talents Program and has been recognized as an Outstanding Mentor 
 by CAS. He also leads the muon and precision physics program at the Southe
 rn Nuclear Science Theory Center. His research spans high-energy nuclear p
 hysics\, hadron structure\, and muon physics\, with a particular focus on 
 the internal structure of nucleons\, the fundamental dynamics of the stron
 g interaction\, and precision studies of muons. He is committed to advanci
 ng fundamental physics while fostering interdisciplinary connections with 
 future fusion energy and advanced nuclear science and technology. He has p
 ublished more than 200 scientific papers.\nHost: Prof. Liang Li\nAlternati
 ve online link：https://meeting.tencent.com/dm/Ou1bswE2Zfcw\nID: 59692410
 5   Password: 123456\n\nhttps://indico-tdli.sjtu.edu.cn/event/5354/
LOCATION:5#/6th-603 - Meeting Room 603 (Science Building)
URL:https://indico-tdli.sjtu.edu.cn/event/5354/
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