PPT-1 Bottle, or “disappearance” measurements of the neutron lifetime

Alexander Saunders Los Alamos National Lab LAUR1426812 2 Outline Why study weak interactions via the neutron beta decay lifetime Because of the scientific reach Because of the impact across nuclear and particle physics. Wolfram KORTEN. CEA . Saclay. DSM/IRFU/. SPhN. Shapes and shells in exotic nuclei. Prolate. Oblate. Quadrupole . deformation. . of. the nuclear ground states. M. Girod, CEA Bruy. ères-le-Châtel. Dominance of . Betty Croft. 1. , Jeff Pierce. 1,2. and Randall Martin. 1,3. 1. Dalhousie University, Halifax, Canada. 2. Colorado State University, Fort Collins, USA. 3. Harvard-Smithsonian Center for Astrophysics, Cambridge, USA. precision measurements: what do they provide?. precision experiments part of large facilities. precision experiments with neutrons. Precision experiments. Electroweak precision experiments. proton decay measurements. T. Grahn. University of Jyväskylä. HIE-ISOLDE Spectrometer Workshop, Lund 10.-11.3.2011. Outline. Tagging instrumentation at . JYFL. Lifetime measurements utilising selective tagging methods at . JYFL. Stars: . Insights . into their Formation. , Evolution & . Structure from their. Masses and Radii. Feryal Ozel. University of Arizona. In collaboration with T. . Guver. , M. . Baubock. , L. . Camarota. T. Grahn. University of Jyväskylä. HIE-ISOLDE Spectrometer Workshop, Lund 10.-11.3.2011. Outline. Tagging instrumentation at . JYFL. Lifetime measurements utilising selective tagging methods at . JYFL. . Committee. . on. . Ionising. . Radiation. (CCRI). June. 2016. Dr Wynand Louw . CCRI. Members: 35. Observers: 20. 2009-2012. 2016-2019 . 2013-2015 . 2020-2023 . CCRI(II. ). Radioisotopes. CCRI(I. M. Scott Dewey. National Institute of Standards and Technology. Workshop on Next Generation Neutron Lifetime Measurements in the U.S.. How to Measure . τ. n. … .  . “Bottle” Experiments:. Direct Observation of Exponential Decay:. away. messages:. Elements. . heavier. . than. Fe are . produced. by neutron capture . processes. There . exists. . two. major . categories. of . processes. . with. . low. and . high. . densities. Michele Ferrarini. Fondazione CNAO. Nuclear. . track. . detectors. Sensitive . to. high LET . radiation. .  . heavy. . charged. . particles. The . damaged. . material . is. . removed. . with. in neutron . star mergers through . mass measurements . with . the CPT. July 16-27. , . 2018. Jason . clark. FRIB and the GW170817 . kilonova. outline. 2. Role of mass measurements in r-process calculations. (. a. ,n) Nuclear Data Scoping Study. Catherine Romano. David Brown (BNL) Stephen Croft (ORNL) Andrea Favalli (LANL) Les . Nakae. (LLNL) Marco Pigni (ORNL) Steve Skutnik (ORNL) Michael S. Smith (ORNL) Will Wieselquist (ORNL) Michael Zerkle (NNL). Stephen Croft (ORNL). Ramkumar Venkataraman (ORNL). Louise G. Worrall (ORNL). Robert D. McElroy Jr. (ORNL). Andrea Favalli (LANL). Acknowledgement. This work was sponsored in part by the U.S. Department of Energy (DOE), National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation Research and Development (NA-22) and in part by ORNL and LANL.. of a . fluorophore. FLT does not depend on . fluorophore. concentration, absorption by the sample, sample thickness, method of measurement, fluorescence intensity, photo-bleaching, and/or excitation intensity. It is affected by external factors, such as temperature, polarity, and the presence of fluorescence quenchers. Fluorescence lifetime is sensitive to internal factors that are dependent on .