'237 np' presentation slideshows

237 np - PowerPoint PPT Presentation

Fission cross section measurements with a coincidence method

Fission cross section measurements with a coincidence method

Fission cross section measurements with a coincidence method. Measured isotopes : 233 U, 234 U, 232 Th, 237 Np, and 209 Bi, nat Pb References : 235 U and 238 U. Focus on isotopes with several targets : 234 U (2 targets), 232 Th (5 targets), 237 Np (4 targets). Detection layout.

★ ★ ★ ★ ★

359 views • 20 slides
Motivations

Motivations

Motivations. Fission fragment angular distribution is an ingredient in the measurement of the fission cross section Angular distribution gives information on the spin properties of fissionning nucleus The angular distributions are not well known above 10 MeV. ? f for 237 Np. Detection cell.

★ ★ ★ ★ ★

186 views • 17 slides
Coincidence method

Coincidence method

Coincidence method. Detection of the 2 fission fragments High level of rejection of alphas and high energy reactions (>10 MeV) Very thin target backing and detectors. Parallel plate avalanche counters. Very thin detectors : Reduction of scattered neutrons No correction for self absorption

★ ★ ★ ★ ★

361 views • 14 slides
Characterization of n_TOF fission samples

Characterization of n_TOF fission samples

Characterization of n_TOF fission samples. National Technical University of Athens, Department of Physics, Athens, Greece. Rosa Vlastou. Characterization.

★ ★ ★ ★ ★

238 views • 12 slides
L. Tassan-Got, L. Audouin, M. Mac Cormick, IN2P3/IPN Orsay-France

L. Tassan-Got, L. Audouin, M. Mac Cormick, IN2P3/IPN Orsay-France

Extension to experiment INTC-P-209 Angular distributions in the neutron-induced fission of actinides. L. Tassan-Got, L. Audouin, M. Mac Cormick, IN2P3/IPN Orsay-France C. Paradela, I. Duran, D. Tarrio, USC-Spain V. Vlachoudis, CERN

★ ★ ★ ★ ★

250 views • 11 slides
????????????? ???????????

????????????? ???????????

????????????? ???????????. ????????????? ????. Tl. Pb. Bi. Pb. Tl. Po. Pb. Bi. Po. Po. Rn. At. Rn. Ra. Th. Th. Pa. U. U. ????????????? ??? ????? 238 U. 81. 82. 83. 84. 85. 86. 87. 88. 89. 90. 91. 92. 93. 206. 4,19 ?. 0,00005. 210.

★ ★ ★ ★ ★

265 views • 5 slides

View 237 np PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of 237 np PowerPoint presentations. You can view or download 237 np presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.