CERN Accelerating science

CERN Document Server Намерени са 2,028 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.54 секунди. 
1.
Enhancing the performance of solenoidal spectrometers for inverse reactions / Butler, P.A. (Liverpool U.)
Helical-orbit solenoidal spectrometers, in which the target and detector are placed inside a uniform magnetic field, have been utilised for more than a decade to study nuclear reactions in inverse kinematics, induced by radioactive beams. Methods to improve the final state energy resolution are presented and the inclusion of an active gas target is proposed to improve the performance of the spectrometer..
arXiv:2301.08045.- 2023-05-31 - 10 p. - Published in : Proc. R. Soc. Lond. A 479 (2023) 20230075 Fulltext: Publication - PDF; 2301.08045 - PDF;
2.
First Exploration of Neutron Shell Structure Below Lead and Beyond $\boldsymbol{N=126}$ / Tang, T.L. (Argonne) ; Kay, B.P. (Argonne) ; Hoffman, C.R. (Argonne) ; Schiffer, J.P. (Argonne) ; Sharp, D.K. (Manchester U.) ; Gaffney, L.P. (CERN) ; Freeman, S.J. (Manchester U.) ; Mumpower, M.R. ; Arokiaraj, A. ; Baader, E.F. (CERN) et al.
The nuclei below lead but with more than 126 neutrons are crucial to an understanding of the astrophysical $r$-process in producing nuclei heavier than $A\sim190$. Despite their importance, the structure and properties of these nuclei remain experimentally untested as they are difficult to produce in nuclear reactions with stable beams. [...]
arXiv:2001.00976; LA-UR-19-30930.- 2020-02-14 - 7 p. - Published in : Phys. Rev. Lett. 124 (2020) 062502 Fulltext: PDF; Fulltext from Publisher: PDF;
3.
Direct Determination of Fission-Barrier Heights Using Light-Ion Transfer in Inverse Kinematics / Bennett, S.A. (Manchester U.) ; Garrett, K. (Manchester U.) ; Sharp, D.K. (Manchester U.) ; Freeman, S.J. (Manchester U. ; CERN) ; Smith, A.G. (Manchester U.) ; Wright, T.J. (Manchester U.) ; Kay, B.P. (Argonne, PHY) ; Tang, T.L. (Argonne, PHY) ; Tolstukhin, I.A. (Argonne, PHY) ; Ayyad, Y. (Santiago de Compostela U., IGFAE) et al.
We demonstrate a new technique for obtaining fission data for nuclei away from $\beta$-stability. These types of data are pertinent to the astrophysical \textit{r-}process, crucial to a complete understanding of the origin of the heavy elements, and for developing a predictive model of fission. [...]
arXiv:2304.10281.- 2023-05-19 - 6 p. - Published in : Phys. Rev. Lett. 130 (2023) 202501 Fulltext: Publication - PDF; 2304.10281 - PDF;
4.
The $\textit{d}$($^{30}$Mg,$\textit{p}$)$^{31}$Mg reaction: Probing single-particle behaviour within the "island of inversion" - ISOLDE.
Approved: 02 December 2020.-
Status: Completed on 18 March 2021
Experiment: IS680
5.
Beam diagnostics for low energy antiprotons / Welsch, Carsten P (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Alexandrova, Alexandra (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Fernandes, Miguel (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U. ; CERN) ; Harasimowicz, Janusz (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Hunt, James (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Jeff, Adam (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U. ; CERN) ; Putignano, Massimiliano (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Resta-Lopez, Javier (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Sosa, Alejandro (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U. ; CERN) ; Tzoganis, Vasilis (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) et al.
Advanced beam diagnostics for antiproton beams at keV beam energies are very important for the successful operation and continuous optimization of low energy storage rings and associated beam lines to the experiments. Manifold challenges arise from the low energy and intensity of the beam, its pulse structure and low repetition rate. [...]
2017 - 6 p. - Published in : JPS Conf. Proc. 18 (2017) 011041 Fulltext: PDF;
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011041
6.
Fission of 230 Ac - ISOLDE.
Approved: 06 December 2023.-
Status: Preparation
Experiment: IS739
7.
Evolution of single-particle structure near the $N=20$ island of inversion / MacGregor, P T (Manchester U.) ; Sharp, D K (Manchester U.) ; Freeman, S J (Manchester U.) ; Hoffman, C R (Argonne, PHY) ; Kay, B P (Argonne, PHY) ; Tang, T L (Argonne, PHY) ; Gaffney, L P (Liverpool U. ; CERN) ; Baader, E F (CERN) ; Borge, M J G (Madrid, Inst. Estructura Materia) ; Butler, P A (Liverpool U.) et al.
The single-particle properties of $^{29}$Mg have been investigated via a measurement of the $^{28}$Mg(d,p) 29Mg reaction, in inverse kinematics, using the ISOLDE Solenoidal Spectrometer. The negative-parity intruder states from the f p shell have been identified and used to benchmark modern shell-model calculations. [...]
2021 - 7 p. - Published in : Phys. Rev. C 104 (2021) L051301 Fulltext: PDF;
8.
Evolution of single-particle states along N=127: The d(212Rn,p)213Rn reaction - ISOLDE.
Approved: 17 March 2021.-
Status: Preparation
Experiment: IS689
9.
The SPEDE spectrometer / Papadakis, P. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Cox, D.M. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; O'Neill, G.G. (Liverpool U. ; Western Cape U.) ; Borge, M.J.G. (CERN) ; Butler, P.A. (Liverpool U.) ; Gaffney, L.P. (CERN) ; Greenlees, P.T. (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Herzberg, R.D. (Liverpool U.) ; Illana, A. (Leuven U.) ; Joss, D.T. (Liverpool U.) et al.
The electron spectrometer, SPEDE, has been developed and will be employed in conjunction with the Miniball spectrometer at the HIE-ISOLDE facility, CERN. SPEDE allows for direct measurement of internal conversion electrons emitted in-flight, without employing magnetic fields to transport or momentum filter the electrons. [...]
arXiv:1709.07449.- 2018-03-12 - 8 p. - Published in : Eur. Phys. J. A 54 (2018) 42 Fulltext: PDF;
10.
Dynamic Distortions in the HARP TPC : observations, measurements, modelling and corrections / Bagulya, A (Moscow, INR) ; Blondel, A (Geneva U.) ; Borghi, S (Geneva U.) ; Catanesi, G (INFN, Bari) ; Chimenti, P (INFN, Trieste) ; Gastaldi, U (INFN, Legnaro) ; Giani, S (CERN) ; Grichine, (Lebedev Inst.) ; Ivanchenko, V (CERN) ; Kolev, D (Sofiya U.) et al.
The HARP experiment was designed to study hadron production in proton- nucleus collisions in the energy range of 1.5 GeV/c-15 GeV/c. The experiment was made of two spectrometers, a forward dipole spectrometer and a large-angle solenoid spectrometer. [...]
arXiv:0903.4762; CERN-PH-EP-2009-015.- Geneva : CERN, 2009 - 28 p. - Published in : JINST 4 (2009) P11014 Fulltext: PDF; SISSA/IOP Open Access article: PDF; External link: Preprint

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