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Author |
Tarifeño-Saldivia, A.; Soto, L. |
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Title |
Effects of gas chamber geometry and gas flow on the neutron production in a fast plasma focus neutron source |
Type |
Journal Article |
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Year |
2014 |
Publication |
Plasma Physics and Controlled Fusion |
Abbreviated Journal |
Plasma Phys. Control. Fusion |
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Volume |
56 |
Issue |
12 |
Pages |
125013 - 5pp |
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Keywords |
pulsed neutron source; repetitive plasma focus; neutron yield measurement; fast plasma focus |
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Abstract |
This work reports that gas chamber geometry and gas flow management substantially affect the neutron production of a repetitive fast plasma focus. The gas flow rate is the most sensitive parameter. An appropriate design of the gas chamber combined with a suitable flow-rate management can lead to improvements in the neutron production of one order of magnitude working in a fast repetitive mode. |
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Address |
[Tarifeno-Saldivia, Ariel; Soto, Leopoldo] Comis Chilena Energia Nucl CCHEN, Santiago, Chile, Email: atarisal@gmail.com; |
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Publisher |
Iop Publishing Ltd |
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Language |
English |
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ISSN |
0741-3335 |
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Notes |
WOS:000346926300024 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
2070 |
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Permanent link to this record |
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Author |
Greynat, D.; Sesma, J.; Vulvert, G. |
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Title |
Derivatives of the Pochhammer and reciprocal Pochhammer symbols and their use in epsilon-expansions of Appell and Kampe de Feriet functions |
Type |
Journal Article |
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Year |
2014 |
Publication |
Journal of Mathematical Physics |
Abbreviated Journal |
J. Math. Phys. |
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Volume |
55 |
Issue |
4 |
Pages |
043501 - 16pp |
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Keywords |
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Abstract |
Useful expressions of the derivatives, to any order, of Pochhammer and reciprocal Pochhammer symbols with respect to their arguments are presented. They are building blocks of a procedure, recently suggested, for obtaining the e-expansion of functions of the hypergeometric class related to Feynman integrals. The procedure is applied to some examples of such kind of functions taken from the literature. |
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Address |
[Greynat, David] Ist Nazl Fis Nucl, Dipartimento Fis, Sez Napoli, I-80126 Naples, Italy, Email: david.greynat@gmail.com; |
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Publisher |
Amer Inst Physics |
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English |
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ISSN |
0022-2488 |
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Notes |
WOS:000336084100030 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1799 |
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Author |
Mikhailov, S.V.; Pimikov, A.V.; Stefanis, N.G. |
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Title |
Theoretical Description and Measurement of the Pion-Photon Transition Form Factor |
Type |
Journal Article |
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Year |
2014 |
Publication |
Few-Body Systems |
Abbreviated Journal |
Few-Body Syst. |
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Volume |
55 |
Issue |
5-7 |
Pages |
367-372 |
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Keywords |
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Abstract |
Detailed predictions for the scaled pion-photon transition form factor are given, derived with the method of light-cone sum rules and using pion distribution amplitudes with two and three Gegenbauer coefficients obtained from QCD sum rules with nonlocal condensates. These predictions agree well with all experimental data that are compatible with QCD scaling (and collinear factorization), but disagree with the high-Q(2) data of the BaBar Collaboration that grow with the momentum. A good agreement of our predictions with results obtained from AdS/QCD models and Dyson-Schwinger computations is found. |
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Address |
[Mikhailov, S. V.; Pimikov, A. V.] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia, Email: mikhs@theor.jinr.ru; |
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Publisher |
Springer Wien |
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English |
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Edition |
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ISSN |
0177-7963 |
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Expedition |
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Conference |
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Notes |
WOS:000338316600009 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1836 |
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Permanent link to this record |
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Author |
Pimikov, A.V.; Mikhailov, S.V.; Stefanis, N.G. |
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Title |
Rho Meson Distribution Amplitudes from QCD Sum Rules with Nonlocal Condensates |
Type |
Journal Article |
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Year |
2014 |
Publication |
Few-Body Systems |
Abbreviated Journal |
Few-Body Syst. |
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Volume |
55 |
Issue |
5-7 |
Pages |
401-406 |
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Keywords |
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Abstract |
The leading-twist distribution amplitude for the longitudinal rho-meson was studied using QCD Sum Rules with nonlocal condensates and a spectral density which includes next-to-leading order radiative corrections. The obtained profile is compared with results from standard QCD sum rules, lattice QCD, holographic QCD, a light-front quark model, and the instanton liquid model. Preliminary estimates for the first two moments of the transverse rho-meson distribution amplitude are also given. |
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Address |
[Pimikov, A. V.] Univ Valencia, CSIC, IFIC, Dept Fis Teor, E-46100 Valencia, Spain, Email: pimikov@mail.ru; |
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Publisher |
Springer Wien |
Place of Publication |
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Language |
English |
Summary Language |
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ISSN |
0177-7963 |
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Conference |
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Notes |
WOS:000338316600014 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1837 |
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Permanent link to this record |
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Author |
Vijande, J.; Valcarce, A.; Carames, T.F.; Richard, J.M. |
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Title |
Multiquark Systems |
Type |
Journal Article |
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Year |
2014 |
Publication |
Few-Body Systems |
Abbreviated Journal |
Few-Body Syst. |
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Volume |
55 |
Issue |
8-10 |
Pages |
675-681 |
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Keywords |
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Abstract |
In this talk we tackle the description of hadron spectroscopy in terms of the constituent quark model. We focus on the mesonic charm sector, where several of the new reported resonances seem to defy their classification as simple quark-antiquark states. We pay special attention to higher order Fock space components in describing excited states of the meson spectra in close connection with the hadron-hadron interaction. The main goal of the present study is a coherent understanding of the low-energy hadron phenomenology without enforcing any particular model, to constrain its characteristics and learn about low-energy realization of the theory. |
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Address |
[Vijande, J.] Univ Valencia, Dept Fis Atom Mol & Nucl, Valencia, Spain, Email: javier.vijande@uv.es |
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Corporate Author |
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Thesis |
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Publisher |
Springer Wien |
Place of Publication |
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Editor |
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Language |
English |
Summary Language |
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Original Title |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0177-7963 |
ISBN |
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Medium |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000339828900015 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1864 |
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Permanent link to this record |