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The supernova remnant SNR 0540-69.3, twin of the Crab Nebula, offers an excellent opportunity to study the continuum emission from a young pulsar and pulsar-wind nebula (PWN). We present observations taken with the VLT instruments MUSE and…

High Energy Astrophysical Phenomena · Physics 2025-08-21 L. Tenhu , J. Larsson , J. Sollerman , P. Lundqvist , J. Spyromilio , J. D. Lyman , G. Olofsson

Annihilation cross sections of antiprotons and antineutrons on the proton between 50 and 400 MeV/c show Coulomb focusing below 200 MeV/c and almost no charge-dependence above 200 MeV/c. Similar comparisons for heavier targets are not…

Nuclear Theory · Physics 2015-09-22 E. Friedman

Proton-nucleus collisions, where the beam proton gets excited to the delta resonance and then decays to p$\pi ^+$, either inside or outside the nuclear medium, are studied. Cross-sections for various kinematics for the (p,p$' \pi ^+$)…

Nuclear Theory · Physics 2009-09-25 B. K. Jain , Bijoy Kundu

Normalized differential cross sections for top quark pair production are measured in the dilepton (e$^+$e$^-$, $\mu^+\mu^-$, and $\mu^\mp$e$^\pm$) decay channels in proton-proton collisions at a center-of-mass energy of 13 TeV. The…

High Energy Physics - Experiment · Physics 2018-05-04 CMS Collaboration

In order to measure the total cross section for thermal neutrons, a photoneutron source (PNS, phase 1) has been developed for the acquisition of nuclear data for the Thorium Molten Salt Reactor (TMSR) at the Shanghai Institute of Applied…

We dispute the alteration by Azuma et al. of the energy calibration of the Mainz('71) data on the beta-delayed alpha-particle emission of $^{16}N$ as well as the very justification of the recalibration. We use the unaltered data to observe…

Nuclear Experiment · Physics 2008-02-03 Ralph H. France , Moshe Gai

Background: The $^{14}$N(n,p)$^{14}$C reaction is of interest in neutron capture therapy, where nitrogen-related dose is the main component due to low-energy neutrons, and in astrophysics, where 14N acts as a neutron poison in the…

Nuclear Experiment · Physics 2024-12-31 P. Torres-Sánchez , J. Praena , I. Porras , M. Sabaté-Gilarte , C. Lederer-Woods , O. Aberle , V. Alcayne , S. Amaducci , J. Andrzejewski , L. Audouin , V. Bécares , V. Babiano-Suarez , M. Bacak , M. Barbagallo , F. Bečvář , G. Bellia , E. Berthoumieux , J. Billowes , D. Bosnar , A. Brown , M. Busso , M. Caamaño , L. Caballero , F. Calviño , M. Calviani , D. Cano-Ott , A. Casanovas , F. Cerutti , Y. H. Chen , E. Chiaveri , N. Colonna , G. Cortés , M. A. Cortés-Giraldo , L. Cosentino , S. Cristallo , L. A. Damone , M. Diakaki , M. Dietz , C. Domingo-Pardo , R. Dressler , E. Dupont , I. Durán , Z. Eleme , B. Fernández-Domínguez , A. Ferrari , F. J. Ferrer , P. Finocchiaro , V. Furman , K. Göbel , R. Garg , A. Gawlik-Ramięga , B. Geslot , S. Gilardoni , T. Glodariu , I. F. Gonçalves , E. González-Romero , C. Guerrero , F. Gunsing , H. Harada , S. Heinitz , J. Heyse , D. G. Jenkins , E. Jericha , F. Käppeler , Y. Kadi , A. Kimura , N. Kivel , M. Kokkoris , Y. Kopatch , M. Krtička , D. Kurtulgil , I. Ladarescu , H. Leeb , J. Lerendegui-Marco , S. Lo Meo , S. J. Lonsdale , D. Macina , A. Manna , T. Martínez , A. Masi , C. Massimi , P. Mastinu , M. Mastromarco , F. Matteucci , E. A. Maugeri , A. Mazzone , E. Mendoza , A. Mengoni , V. Michalopoulou , P. M. Milazzo , F. Mingrone , A. Musumarra , A. Negret , R. Nolte , F. Ogállar , A. Oprea , N. Patronis , A. Pavlik , J. Perkowski , L. Piersanti , J. M. Quesada , D. Radeck , D. Ramos-Doval , T. Rauscher , R. Reifarth , D. Rochman , C. Rubbia , A. Saxena , P. Schillebeeckx , D. Schumann , A. G. Smith , N. V. Sosnin , A. Stamatopoulos , G. Tagliente , J. L. Tain , T. Talip , A. Tarifeño-Saldivia , L. Tassan-Got , A. Tsinganis , J. Ulrich , S. Urlass , S. Valenta , G. Vannini , V. Variale , P. Vaz , A. Ventura , V. Vlachoudis , R. Vlastou , A. Wallner , P. J. Woods , T. Wright , P. Žugec

A partial-wave analysis of all antiproton-proton scattering data below 925 MeV/c antiproton laboratory momentum is presented. The method used is adapted from the Nijmegen phase-shift analyses of pp and np scattering data. The Nijmegen 1993…

Nuclear Theory · Physics 2009-09-25 R. Timmermans , Th. A. Rijken , J. J. de Swart

The neutron capture cross section of 204Pb has been measured at the CERN n_TOF installation with high resolution in the energy range from 1 eV to 440 keV. An R-matrix analysis of the resolved resonance region, between 1 eV and 100 keV, was…

Nuclear Experiment · Physics 2008-11-26 C. Domingo-Pardo

We discuss the possible implications of physics beyond the standard model in the neutrino sector applying non-standard interaction. Recently, the NOvA and T2K neutrino experiments have announced their measurements for the CP violating…

High Energy Physics - Phenomenology · Physics 2025-04-01 Anjan Giri

A recent Letter attempted to reconcile the disagreement between neutron resonance data and random matrix theory (RMT). To this end, a new formula was derived for transforming measured ({\Gamma}_{{\lambda}n}) to reduced…

Nuclear Theory · Physics 2011-01-25 P. E. Koehler , F. Bečvář , M. Krtička , J. A. Harvey , K. H. Guber

This paper presents results from partial-wave analyses of the photoproduction reactions $\gamma p \rightarrow \eta p$ and $\gamma n \rightarrow \eta n$. World data for the observables \DSG, $\Sigma$, $T$, $P$, $F$, and $E$ were analyzed as…

Nuclear Experiment · Physics 2019-05-29 B. C. Hunt , D. M. Manley

We discuss the nuclear EMC effect with particular emphasis on recent data for light nuclei including 2H, 3He, 4He, 9Be, 12C and 14N. In order to verify the consistency of available data, we calculate the \chi^2 deviation between different…

High Energy Physics - Phenomenology · Physics 2015-03-14 S. A. Kulagin , R. Petti

TRIUMF experiment E497 is a study of parity violation in pp scattering at an energy where the leading term in the analyzing power is expected to vanish, thus measuring a unique combination of weak-interaction flavour conserving terms. It is…

Instrumentation and Detectors · Physics 2009-11-06 A. R. Berdoz

The differential cross sections for the $^2$H(p,pp)n reaction have been measured for 84 angular configurations of the outgoing protons in the range of polar angles from 13 to 33 degrees with a proton beam of 108 MeV. Data have been…

The NPDGamma collaboration has constructed and commissioned an apparatus to determine the size of the pion-nucleon coupling constant in the parity non conserving pion exchange weak potential for N-N interactions. This coupling constant is…

Nuclear Experiment · Physics 2019-08-14 M. T. Gericke

We analyze the low energy NN interaction by confronting statistical vs systematic uncertainties. This is carried out with the help of model potentials fitted to the Granada-2013 database where a statistically meaningful partial wave…

Nuclear Theory · Physics 2016-06-15 R. Navarro Perez , J. E. Amaro , E. Ruiz Arriola

We have measured the $^{147}$Sm(\textit{n},$\alpha $) cross section from 3 eV to 500 keV and performed an $\mathcal{R}$-matrix analysis in the resolved region ($E_{n}$$<$ 700 eV) to extract $\alpha $ widths for 104 resonances. We computed…

Astrophysics · Physics 2009-11-10 P. E. Koehler , Yu. M. Gledenov , T. Rauscher , C. Fröhlich

Nuclei located in the neutron-deficient Pb region have a complex structure, rapidly evolving as a function of neutron and proton numbers. The most famous example is $^{186}$Pb where the three lowest levels are $0^+$ states, the two excited…

Nuclear Theory · Physics 2015-03-13 J. M. Yao , M. Bender , P. -H. Heenen

This letter presents measurements of the differential cross-sections for inclusive electron and muon production in proton-proton collisions at a centre-of-mass energy of sqrt(s) = 7 TeV, using data collected by the ATLAS detector at the…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration