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Background: Neutron-induced backgrounds are a significant concern for experiments that require extremely low levels of radioactive backgrounds such as direct dark matter searches and neutrinoless double-beta decay experiments. Unmeasured…

The production cross sections of $^{68,69}$Ge and $^{66,67}$Ga by \alpha-induced reactions on $^{nat}$Zn have been measured using the stacked-foil activation method and off-line \gamma-ray spectrometry from their threshold energies to 50.7…

Nuclear Experiment · Physics 2018-09-20 Masayuki Aikawa , Moemi Saito , Shuichiro Ebata , Yukiko Komori , Hiromitsu Haba

The cross section of the $^{62}$Ni($n,\gamma$) reaction was measured with the time-of-flight technique at the neutron time-of-flight facility n_TOF at CERN. Capture kernels of 42 resonances were analyzed up to 200~keV neutron energy and…

Nuclear Experiment · Physics 2014-03-20 C. Lederer , C. Massimi , E. Berthoumieux , N. Colonna , R. Dressler , C. Guerrero , F. Gunsing , F. Käppeler , N. Kivel , M. Pignatari , R. Reifarth , D. Schumann , A. Wallner , S. Altstadt , S. Andriamonje , J. Andrzejewski , L. Audouin , M. Barbagallo , V. Becares , F. Becvar , F. Belloni , B. Berthier , J. Billowes , V. Boccone , D. Bosnar , M. Brugger , M. Calviani , F. Calvino , D. Cano-Ott , C. Carrapico , F. Cerutti , E. Chiaveri , M. Chin , G. Cortes , M. A. Cortes-Giraldo , I. Dillmann , C. Domingo-Pardo , I. Duran , N. Dzysiuk , C. Eleftheriadis , M. Fernandez-Ordonez , A. Ferrari , K. Fraval , S. Ganesan , A. R. Garcıa , G. Giubrone , M. B. Gomez-Hornillos , I. F. Goncalves , E. Gonzalez-Romero , F. Gramegna , E. Griesmayer , P. Gurusamy , S. Harrisopulos , M. Heil , K. Ioannides , D. G. Jenkins , E. Jericha , Y. Kadi , D. Karadimos , G. Korschinek , M. Krticka , J. Kroll , C. Langer , E. Lebbos , H. Leeb , L. S. Leong , R. Losito , M. Lozano , A. Manousos , J. Marganiec , S. Marrone , T. Martinez , P. F. Mastinu , M. Mastromarco , M. Meaze , E. Mendoza , A. Mengoni , P. M. Milazzo , F. Mingrone , M. Mirea , W. Mondalaers , C. Paradela , A. Pavlik , J. Perkowski , R. Plag , A. Plompen , J. Praena , J. M. Quesada , T. Rauscher , A. Riego , F. Roman , C. Rubbia , R. Sarmento , P. Schillebeeckx , S. Schmidt , G. Tagliente , J. L. Tain , D. Tarrıo , L. Tassan-Got , A. Tsinganis , L. Tlustos , S. Valenta , G. Vannini , V. Variale , P. Vaz , A. Ventura , M. J. Vermeulen , R. Versaci , V. Vlachoudis , R. Vlastou , T. Ware , M. Weigand , C. Weiß , T. J. Wright , P. Zugec

The experiment of determination of the 64Zn(n,a)61Ni reaction cross section in the 5.0-6.75 MeV neutron energy range was performed at the 4.5 MV Van de Graaf accelerator at the Institute of Heavy Ion Physics, Peking University, Beijing.…

High-quality cross sections for the reaction gamma+d->pi^0+d have been measured using the CLAS at Jefferson Lab over a wide energy range near and above the eta-meson photoproduction threshold. At backward c.m. angles for the outgoing pions,…

Nuclear Experiment · Physics 2019-08-14 Y. Ilieva , B. L. Berman , A. E. Kudryavtsev , I. I. Strakovsky , V. E. Tarasov

Differential cross sections for the reaction $\gamma p \to K^{*0} \Sigma^+$ are presented at nine bins in photon energy in the range from 1.7 to 3.0 GeV. The \kstar was detected by its decay products, $K^+\pi^-$, in the CLAS detector at…

Nuclear Experiment · Physics 2014-11-18 I. Hleiqawi , K. Hicks , D. Carman , T. Mibe

The neutron capture cross-section for the $^{181}$Ta(n,$\gamma$)$^{182}$Ta reaction has been experimentally measured at the neutron energies 0.53 and 1.05 MeV using off-line $\gamma$-ray spectrometry. $^{115}$In(n,n'$\gamma$)$^{115m}$In is…

This paper reports the cross section measurements for the process ep $\rightarrow$ e~\jpsi~p for $Q^2 < 4$ GeV$^2$ at $\sqrt s = 296$ GeV, based on an integrated luminosity of about 0.5~pb$^{-1}$, using the ZEUS detector. The \jpsi~was…

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

Light radioactive nuclei play an important role in many astrophysical environments. Due to very low cross sections of some neutron and proton capture reactions by these radioactive nuclei at energies of astrophysical interest, direct…

Nuclear Theory · Physics 2014-11-20 V. Guimaraes , C. A. Bertulani

Purpose : The aim of this paper is to calculate the $^{15}$N($n, \gamma$)$^{16}$N radiative capture cross section and its subsequent reaction rate by an indirect method and in that process investigate the effects of spectroscopic factors of…

Nuclear Theory · Physics 2015-10-13 Neelam , Shubhchintak , R. Chatterjee

In this contribution, we will present our first preliminary measurement of the differential cross section for the reaction gamma+n->eta+n. Comparison of the reactions gamma+p->eta+p for free and bound proton (D2 target) will also be…

Nuclear Experiment · Physics 2009-11-10 D. Rebreyend

Differential cross sections for the reaction $\gamma p \to p \pi^0$ have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.675 to 2.875 GeV. The results reported here possess…

High Energy Physics - Experiment · Physics 2010-04-06 M. Dugger , B. G. Ritchie , J. P. Ball , P. Collins , E. Pasyuk , R. A. Arndt , W. J. Briscoe , I. I. Strakovsky , R. L. Workman , CLAS Collaboration

The $pp \to pp \eta^{\prime}$ (958) reaction has been measured at COSY using the internal beam and the COSY-11 facility. The total cross sections at the four different excess energies \mbox{$ Q = ~1.5 ~MeV, ~1.7 ~MeV, ~2.9 ~MeV,$ and $ ~4.1…

Background: Neutron-induced reactions are a significant concern for experiments that require extremely low levels of radioactive backgrounds. Measurements of gamma-ray production cross sections over a wide energy range will help to predict…

Uncertainties in adopted models of particle+nucleus optical-model potentials directly influence the accuracy in the theoretical predictions of reaction rates as they are needed for reaction-network calculations in, for instance,…

Cross section measurements of the reactions $^{90, 92}$Zr(p,$\gamma$)$^{91,93}$Nb were performed using the NSCL SuN detector at the University of Notre Dame. These reactions are part of the nuclear reaction flow for the synthesis of the…

We have measured for the first time the charge-changing cross sections ($\sigma_{\text{CC}}$) of $^{12-16}$C on a $^{12}$C target at energies below $100A$ MeV. To analyze these low-energy data, we have developed a finite-range Glauber model…

Gamma-ray production cross sections have been measured for gamma-ray lines copiously emitted in the $^3$He bombardment of $^{16}$O nuclei: the 937, 1042 and 1081 keV lines of $^{18}$F and the 1887 keV line of $^{18}$Ne. Four Ge detectors…

$\gamma$-ray production cross sections have been measured in proton irradiations of N, Ne and Si and $\alpha$-particle irradiations of N and Ne. In the same experiment we extracted also line shapes for strong $\gamma$-ray lines of $^{16}$O…

The reactions gamma p --> K+ Lambda and gamma p --> K+ Sigma0 were measured in the energy range from threshold up to a photon energy of 2.6 GeV. The data were taken with the SAPHIR detector at the electron stretcher facility, ELSA. Results…