Výsledky vyhledávání - "Catherine Nicoloff"

Precision mass measurement of lightweight self-conjugate nucleus $^{80}$Zr

Autor: Catherine Nicoloff, E. Leistenschneider, R. Jain, Chandana Sumithrarachchi, Ryan Ringle, A. Hamaker, D. Puentes, Witold Nazarewicz, Georg Bollen, Samuel A. Giuliani, I. T. Yandow, Leo Neufcourt, K. Lund

Protons and neutrons in the atomic nucleus move in shells analogous to the electronic shell structures of atoms. The nuclear shell structure varies as a result of changes in the nuclear mean field with the number of neutrons N and protons Z, and thes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52d752c1b2bbb2b595c272aab4184ca0
http://cds.cern.ch/record/2799238

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First Penning trap mass measurement of $^{36}$Ca

Autor: A. C. C. Villari, Ryan Ringle, Georg Bollen, Li-Jie Sun, Christopher Wrede, J. Surbrook, D. Puentes, Matthew Redshaw, Catherine Nicoloff, Maxime Brodeur, I. T. Yandow, Stefan Schwarz, D. Pérez-Loureiro, Chandana Sumithrarachchi, Adrian Valverde, A. Hamaker

Background: Isobaric quintets provide the best test of the isobaric multiplet mass equation (IMME) and can uniquely identify higher order corrections suggestive of isospin symmetry breaking effects in the nuclear Hamiltonian. The generalized IMME (GI

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b304907cf394feb04e6ce63d7466e5b8

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Particle-in-Cell Techniques for the Study of Space Charge Effects in the Advanced Cryogenic Gas Stopper

Autor: Antonio Villari, Chandana Sumithrarachchi, K. Lund, Ryan Ringle, Catherine Nicoloff, Stefan Schwarz, Georg Bollen

Linear gas stoppers are widely used to convert high-energy, rare-isotope beams and reaction products into low-energy beams with small transverse emittance and energy spread. Stopping of the high-energy ions is achieved through interaction with a buff

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1d1c3459d61749995ab53e82594d36b

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Determining the 14 O(α,p) 17 F astrophysical rate from Measurements at TwinSol

Publikováno v: Physics Procedia. 90:415-420

The 14O(α,p)17F reaction is an important trigger reaction to the α-p process in X-ray bursts. The most stringent experimental constraints on its astrophysical rate come from measurements of the time-inverse reaction, 17F(p,α)14O. Previous studies

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::171e040be0b9437a075b2d46d94ad736
https://doi.org/10.1016/j.phpro.2017.09.043

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Construction and simulation of a multi-reflection time-of-flight mass spectrometer at the University of Notre Dame

Autor: Maxime Brodeur, S. Ryan, J. M. Kelly, J. Long, B. E. Schultz, Catherine Nicoloff

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 376:251-255

One of the most significant problems in the production of rare isotopes is the simultaneous production of contaminants, often time isobaric. Thus, a high-resolution beam purification method is required which needs to be compatible with both the low y

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::277c2dad7c543b6943b2c9f968098e72
https://doi.org/10.1016/j.nimb.2016.02.043

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Experimental investigation of the repelling force from RF carpets

Autor: A. Hamaker, B. E. Schultz, Catherine Nicoloff, Peter Schury, J. Long, J. M. Kelly, S. Ryan, Maxime Brodeur, M. Wada

Publikováno v: International Journal of Mass Spectrometry. 404:14-19

The theoretical description for the ion motion above a radio-frequency carpet was proposed in [S. Schwarz, Int. J. Mass Spectrom. 299 (2011) 71], and using this description, the maximal repelling force created by the RF carpet that leads to stable io

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::add7463afa1a558f1379bbf58644452e
https://doi.org/10.1016/j.ijms.2016.04.004

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Vud determination from light nuclide mirror transitions

Autor: James J. Kelly, Maxime Brodeur, Catherine Nicoloff, B. E. Schultz, J. Long

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 376:281-283

Thanks to extensive experimental efforts that led to a precise determination of the various superallowed 0 + → 0 + pure Fermi transition experimental quantities, we now have a very precise value for V ud that leads to a stringent test of the CKM ma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0b7c66125ecf3eb615a6b64e40c1ebb
https://doi.org/10.1016/j.nimb.2015.12.038

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An FPGA-based data acquisition system for directional dark matter detection

Autor: Catherine Nicoloff, Aravind Sridhar, Chen Yang, Martin C. Herbordt, James Battat, Jiayi Sheng

Publikováno v: HPEC

Directional dark matter detection seeks to reconstruct the angular distribution of dark matter particles traveling through the laboratory. A directional detector with high spatial resolution has the potential to increase the sensitivity per unit volu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a852e17595806e58fba7246f6e8efc3f
https://doi.org/10.1109/hpec.2017.8091079

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