activity
20102022
most citedPrecision Measurement of the Neutron Beta-Decay Asymmetry

98 citations · 404 across the 12 of their papers we have counts for

collaborators

12 papers

nucl-ex2022

High accuracy, high resolution 235U(n,f) cross section from n_TOF (CERN) in the thermal to 10 keV energy range

TOF collaboration, M. Mastromarco, S. Amaducci +119

The 235U(n,f) cross section was measured in a wide energy range (25 meV - 170 keV) at the n_TOF facility at CERN, relative to 6Li(n,t) and 10B(n,alpha) standard reactions, with hig…

nucl-ex2019★ 31 cited

Improved limits on Fierz Interference using asymmetry measurements from the UCNA experiment

Xuan Sun, E. Adamek, B. Allgeier +56

The Ultracold Neutron Asymmetry (UCNA) experiment was designed to measure the -decay asymmetry parameter, , for free neutron decay. In the experiment, polarized ultracold n…

nucl-ex2018★ 50 cited

Search for dark matter decay of the free neutron from the UCNA experiment: n

X. Sun, E. Adamek, B. Allgeier +57

It has been proposed recently that a previously unobserved neutron decay branch to a dark matter particle () could account for the discrepancy in the neutron lifetime observed i…

physics.ins-det2017★ 25 cited

Experimental setup and procedure for the measurement of the 7Be(n,p)7Li reaction at n_TOF

M. Barbagallo, J. Andrzejewski, M. Mastromarco +125

Following the completion of the second neutron beam line and the related experimental area (EAR2) at the n_TOF spallation neutron source at CERN, several experiments were planned a…

nucl-ex2017★ 21 cited

First direct constraints on Fierz interference in free neutron decay

K. P. Hickerson, X. Sun, Y. Bagdasarova +40

Precision measurements of free neutron -decay have been used to precisely constrain our understanding of the weak interaction. However the neutron Fierz interference term ,…

nucl-ex2017★ 9 cited

The gamma width in Na and second class currents

S. Triambak, L. Phuthu, A. García +12

A previous measurement of the directional coefficient in Na decay was used to extract recoil-order form factors. The data indicate the requirement of a significant…

nucl-ex2016★ 21 cited

Neutron capture cross section measurement of 238U at the n TOF CERN facility with C6D6 scintillation detectors in the energy region from 1 eV to 700 keV

TOF Collaboration, F. Mingrone, C. Massimi +102

The aim of this work is to provide a precise and accurate measurement of the 238U(n,g) reaction cross section in the energy region from 1 eV to 700 keV. This reaction is of fundame…

nucl-ex2014★ 27 cited

High accuracy determination of the U/U fission cross section ratio up to 1 GeV at n_TOF (CERN)

C. Paradela, M. Calviani, D. Tarrío +104

The U to U fission cross section ratio has been determined at n_TOF up to 1 GeV, with two different detection systems, in different geometrical configurations…

nucl-ex2014★ 16 cited

Measurement of the C()B cross section at n_TOF (CERN) by in-beam activation analysis

P. Žugec, N. Colonna, D. Bosnar +101

The integral cross section of the C()B reaction has been determined for the first time in the neutron energy range from threshold to several GeV at the n_TOF fac…

physics.ins-det2014★ 41 cited

GEANT4 simulation of the neutron background of the CD set-up for capture studies at n_TOF

TOF collaboration, P. Žugec, N. Colonna +104

The neutron sensitivity of the CD detector setup used at n_TOF for capture measurements has been studied by means of detailed GEANT4 simulations. A realistic software repli…

nucl-ex2012★ 98 cited

Precision Measurement of the Neutron Beta-Decay Asymmetry

M. P. Mendenhall, R. W. Pattie, Y. Bagdasarova +38

A new measurement of the neutron -decay asymmetry has been carried out by the UCNA collaboration using polarized ultracold neutrons (UCN) from the solid deuterium UCN sour…

nucl-ex2010★ 65 cited

Determination of the Axial-Vector Weak Coupling Constant with Ultracold Neutrons

UCNA Collaboration, J. Liu, M. P. Mendenhall +37

A precise measurement of the neutron decay -asymmetry has been carried out using polarized ultracold neutrons (UCN) from the pulsed spallation UCN source at the Los Alamos…