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Dive into the research topics where Y. Blumenfeld is active.

Publication


Featured researches published by Y. Blumenfeld.


International Journal of Modern Physics E-nuclear Physics | 2009

STUDY OF THE 20O(d,t) REACTION WITH THE TIARA-MUST2-VAMOS-EXOGAM SETUP

A. Ramus; N. L. Achouri; H. Al Falou; N. I. Ashwood; D. Beaumel; Y. Blumenfeld; S. M. Brown; W. N. Catford; R. Chapman; M. Chartier; N. Curtis; F. Delaunay; B. Fernández-Domínguez; C. Force; S. Franchoo; J. Guillot; D. Gupta; P. Haigh; F. Hammache; M. Labiche; V. Lapoux; R.C. Lemmon; F. Marechal; B. Martin; X. Mougeot; B. Mouginot; L. Nalpas; A. Navin; N. A. Orr; N. Patterson

The reaction 20O(d,t) has been studied in inverse kinematics using a secondary radioactive beam produced with the SPIRAL facility at GANIL. Fragments, light charged particles and gamma rays were measured with the TIARA, MUST2, VAMOS and EXOGAM detectors and preliminary results are reported. The level scheme of 19O is built and the spin and parity of one state is tentatively assigned using the one-neutron transfer angular distribution.


International Journal of Modern Physics E-nuclear Physics | 2009

DECAY PATTERN OF PYGMY STATES OBSERVED IN NEUTRON-RICH 26Ne

J. Gibelin; D. Beaumel; T. Motobayashi; Y. Blumenfeld; N. Aoi; H. Baba; Z. Elekes; S. Fortier; N. Frascaria; N. Fukuda; T. Gomi; Ken Ishikawa; Y. Kondo; T. Kubo; V. Lima; Takashi Nakamura; Akira Saito; Y. Satou; J. A. Scarpaci; E. Takeshita; Satoshi Takeuchi; T. Teranishi; Y. Togano; A. M. Vinodkumar; Y. Yanagisawa; Keiji Yoshida

Coulomb excitation of the exotic neutron-rich nucleus 26Ne on a 208Pb target was measured at 58 A.MeV in order to search for low-lying E1 strength above the neutron emission threshold. The radioactive beam was produced by fragmentation of a 95 A.MeVAr beam delivered by the RIKEN Accelerator Research Facility. The set-up included a NaI(Tl) gamma-ray array, a charged fragment hodoscope and a neutron wall. Using the invariant mass method in the 25Ne+n channel, we observe by multipole decomposition a sizable amount of E1 strength between 6 and 10 MeV excitation energy. For the first time, the decay pattern of low-lying strength in a neutron-rich nucleus is measured.


Physical Review Letters | 2008

First Measurement of the Giant Monopole and Quadrupole Resonances in a Short-Lived Nucleus: Ni 56

Monrozeau C; Khan E; Y. Blumenfeld; C.E. Demonchy; W. Mittig; P. Roussel-Chomaz; D. Beaumel; M. Caamaño; Cortina-Gil D; Ebran Jp; N. Frascaria; U. Garg; M. Gelin; A. Gillibert; Gupta D; Keeley N; F. Marechal; A. Obertelli; J. A. Scarpaci


Physical Review Letters | 2008

Decay pattern of pygmy states observed in neutron-rich 26Ne.

J. Gibelin; D. Beaumel; T. Motobayashi; Y. Blumenfeld; N. Aoi; H. Baba; Z. Elekes; S. Fortier; N. Frascaria; N. Fukuda; T. Gomi; Ken Ishikawa; Y. Kondo; T. Kubo; V. Lima; Takashi Nakamura; Akira Saito; Y. Satou; J. A. Scarpaci; E. Takeshita; Satoshi Takeuchi; T. Teranishi; Y. Togano; A. M. Vinodkumar; Y. Yanagisawa; Keiji Yoshida


Physical Review C | 2011

Emergence of the N=16 shell gap in ^(21)O

B. Fernandez-Dominguez; J. S. Thomas; W. N. Catford; F. Delaunay; S. M. Brown; N. A. Orr; M. Rejmund; M. Labiche; M. Chartier; N. L. Achouri; H. Al Falou; N. I. Ashwood; D. Beaumel; Y. Blumenfeld; B. A. Brown; R. Chapman; N. Curtis; C. Force; S. Franchoo; J. Guillot; P. Haigh; F. Hammache; V. Lapoux; R.C. Lemmon; F. Marechal; A. M. Moro; X. Mougeot; B. Mouginot; L. Nalpas; A. Navin


Physical Review Letters | 2009

Breakdown of the Z=8 shell closure in unbound 12O and its mirror symmetry.

D. Suzuki; H. Iwasaki; D. Beaumel; L. Nalpas; E. C. Pollacco; M. Assié; H. Baba; Y. Blumenfeld; N. de Séréville; A. Drouart; S. Franchoo; A. Gillibert; J. Guillot; F. Hammache; N. Keeley; V. Lapoux; F. Marechal; S. Michimasa; X. Mougeot; I. Mukha; H. Okamura; H. Otsu; A. Ramus; P. Roussel-Chomaz; H. Sakurai; J. A. Scarpaci; O. Sorlin; I. Stefan; M. Takechi


Physical Review C | 2016

Second 0+ state of unbound

Daisuke Suzuki; H. Iwasaki; D. Beaumel; M. Assié; H. Baba; Y. Blumenfeld; F. de Oliveira Santos; N. de Séréville; A. Drouart; S. Franchoo; J. Gibelin; A. Gillibert; S. Giron; S. Grévy; J. Guillot; M. Hackstein; F. Hammache; N. Keeley; V. Lapoux; F. Marechal; A. Matta; S. Michimasa; L. Nalpas; F. Naqvi; H. Okamura; H. Otsu; J Pancin; D.Y. Pang; L. Perrot; C. Petrache


Physical Review C | 2012

^{12}

S. M. Brown; W. N. Catford; J. S. Thomas; B. Fernandez-Dominguez; N. A. Orr; M. Labiche; M. Rejmund; N. L. Achouri; H. Al Falou; N. I. Ashwood; D. Beaumel; Y. Blumenfeld; B. A. Brown; R. Chapman; M. Chartier; N. Curtis; N. de Sereville; F. Delaunay; A. Drouart; C. Force; S. Franchoo; J. Guillot; P. Haigh; F. Hammache; V. Lapoux; R.C. Lemmon; A. Leprince; F. Marechal; X. Mougeot; B. Mouginot


Physical Review C | 2012

O: Scaling of mirror asymmetry

Graham Wallace Wilson; S. M. Brown; W. N. Catford; J. S. Thomas; B. Fernandez-Dominguez; N. A. Orr; M. Labiche; M. Rejmund; N. L. Achouri; H. Al Falou; N. I. Ashwood; D. Beaumel; Y. Blumenfeld; B. A. Brown; R. Chapman


Physical Review C | 2012

Low-lying neutron f p-shell intruder states in 27Ne

S. M. Brown; W. N. Catford; J. S. Thomas; B. Fernandez-Dominguez; N. A. Orr; M. Labiche; M. Rejmund; N. L. Achouri; H. Al Falou; N. I. Ashwood; D. Beaumel; Y. Blumenfeld; B. A. Brown; R. Chapman; M. Chartier; N. Curtis; N. de Sereville; F. Delaunay; A. Drouart; C. Force; S. Franchoo; J. Guillot; P. Haigh; F. Hammache; V. Lapoux; R.C. Lemmon; A. Leprince; F. Marechal; X. Mougeot; B. Mouginot

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D. Beaumel

University of Paris-Sud

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F. Marechal

University of Paris-Sud

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M. Labiche

Science and Technology Facilities Council

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F. Hammache

Centre national de la recherche scientifique

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S. Franchoo

Katholieke Universiteit Leuven

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