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SHIPTRAP: the Penning trap spectrometer at GSI Ana Martin

SHIPTRAP: the Penning trap spectrometer at GSI Ana Martin. stopping. cooling, accumulation. Gas. Cell. purification. measurement. Extraction. RFQ. Buncher. Measurement. Transfer section. Trap. Purification. Trap. Detector. SHIPTRAP = SHIP + TRAP + ….

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SHIPTRAP: the Penning trap spectrometer at GSI Ana Martin

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  1. SHIPTRAP: the Penning trap spectrometer at GSIAna Martin JINA 2007, Ana Martin

  2. stopping cooling, accumulation Gas Cell purification measurement Extraction RFQ Buncher Measurement Transfer section Trap Purification Trap Detector SHIPTRAP = SHIP + TRAP + … SHIPTRAP = Precision experiments with fusion-evaporation reaction products at low energy behind SHIP using ion traps target wheel beam dump primary beam, 3-4 Mev/u JINA 2007, Ana Martin

  3. Magnetron motion:E x B drift B Reduced cyclotron motion: Ф0 axial motion cyclotron motion magnetron motion Ion Motion in a Penning Trap Axial motion:oscillation in E-field JINA 2007, Ana Martin

  4. 185 mm 32 mm Pumping barrier 212 mm E Measurement Trap Diaphragm Purification Trap 111Te+ 600ms Double system Penning trap precision mass measurement via the determination of the ion cyclotron frequency TOF-ICR = Time-of-flight Ion Cyclotron Resonance buffer gas cooling mass selective (isobaric purification) JINA 2007, Ana Martin

  5. The Sn-Sb-Te cycle Mass measurements in the rp-process end point region 50Cr+58Ni→108Te* @ 3.6 MeV/u - 4.0 MeV/u 58Ni+58Ni→116Ba* @ 4.0 MeV/u 40Ca+58Ni→98Cd* @ 5.0 MeV/u Precision mass measurements are important for rp-process calculations JINA 2007, Ana Martin

  6. SHIPTRAP collaborators GSI / SHIPTRAP M. Block D. Beck M. Dworschak S. Eliseev F. Herfurth H.-J. Kluge A. Martín W. Quint C. Rauth G. Vorobjev GSI / SHIP D. Ackermann F. P. Heßberger S. Hofmann M. Mazzocco Mainz K. Blaum R. Ferrer J. Ketelaer C. Weber H. Backe P. Kunz W. Lauth Munich D. Habs J. Neumayr M. Sewtz P. Thirolf Greifswald A. Chaudhuri G. Marx L. Schweikhard Giessen M. Petrick C. Scheidenberger W.R. Plaß St. Petersburg Y. Novikov Veterans: D. Rodríguez, M. Mukherjee, S. Rahaman, ... JINA 2007, Ana Martin

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