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Author |
Feijoo, A.; Wang, W.F.; Xiao, C.W.; Wu, J.J.; Oset, E.; Nieves, J.; Zou, B.S. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
A new look at the P-cs states from a molecular perspective |
Type |
Journal Article |
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Year |
2023 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
839 |
Issue |
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Pages |
137760 - 7pp |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We have a look at the P-cs states generated from the interaction of (D) over bar(*)Xi(c)('*) coupled channels. We consider the blocks of pseudoscalar-baryon (1/2(+) , 3/2(+)) and vector-baryon (1/2(+), 3/2(+)), and find 10 resonant states coupling mostly to (D) over bar Xi(c), <(D)*over bar>*Xi(c), (D) over bar Xi(c)' <(DA novel aspect of the work is the realization that the <(Dover bar>Xi(c), (Dover bar>(s) Lambda(c) or (Dover bar>*Xi(c), D-s*Lambda(c) channels, with a strong transition potential, collaborate to produce a larger attraction than the corresponding states <(Dover bar>Xi(c), <(Dover bar>Lambda(c) or (D) over bar*Xi(c), (D) over bar*Lambda(c) appearing in the generation of the strangenessless P-c states, since in the latter case the transition potential between those channels is zero. The extra attraction obtained in the (D) over bar Xi(c), (D) over bar* Xi(c) pairs preclude the association of the P-cs(4338) state coupling mostly to (D) over bar*Xi(c) while the P-cs(4459) is associated to the state found that couples mostly to (D) over bar Xi(c)'. Four more states appear, like in other molecular pictures, and some of the states are degenerate in spin. Counting different spin states we find 10states, which we hope can be observed in the near future. |
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Address |
[Feijoo, Albert; Wang, Wen-Fei; Oset, Eulogio; Nieves, Juan] Ctr Mixto Univ Valencia, CSIC Inst Invest Paterna, Dept Fis Teonca, Aptdo 22085, Valencia 46071, Spain, Email: edfeijoo@ific.uv.es; |
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Elsevier |
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0370-2693 |
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WOS:000991801200001 |
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no |
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yes |
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yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5535 |
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Author |
Dias, A.G.; Leite, J.; Valle, J.W.F.; Vaquera-Araujo, C.A. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Reloading the axion in a 3-3-1 setup |
Type |
Journal Article |
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Year |
2020 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
810 |
Issue |
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Pages |
135829 - 12pp |
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Keywords |
Peccei-Quinn symmetry; Axion; Neutrinos |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We generalize the idea of the axion to an extended electroweak gauge symmetry setup. We propose a minimal axion extension of the Singer-Valle-Schechter (SVS) theory, in which the standard model fits in SU(3)(L) circle times U(1)(X), the number of families results from anomaly cancellation, and the Peccei-Quinn (PQ) solution to the strong-CP problem is implemented. Neutrino masses arise from a type-I Dirac seesaw mechanism, suppressed by the ratio of SVS and PQ scales, suggesting the existence of new physics at a moderate SVS scale. Novel features include an enhanced axion coupling to photons when compared to the DFSZ axion, as well as flavor-changing axion couplings to quarks. |
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[Dias, Alex G.; Leite, Julio] Univ Fed ABC, Ctr Ciencias Nat & Humanas, BR-09210580 Santo Andre, SP, Brazil, Email: alex.dias@ufabc.edu.br; |
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Elsevier |
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0370-2693 |
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WOS:000582969900048 |
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no |
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yes |
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yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4586 |
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Author |
Ikeno, N.; Toledo, G.; Oset, E. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Model independent analysis of femtoscopic correlation functions: An application to the D∗s0(2317) |
Type |
Journal Article |
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Year |
2023 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
847 |
Issue |
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Pages |
138281 - 6pp |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We face the inverse problem of obtaining the interaction between coupled channels from the correlation functions of these channels. We apply the method to the interaction of the (DK+)-K-0, (D+K0), and D-s(+)eta channels, from where the D-s0(& lowast;)(2317) state emerges. We use synthetic data extracted from an interaction model based on the local hidden gauge approach and find that the inverse problem can determine the existence of a bound state of the system with a precision of about 20 MeV. At the same time, we can determine the isospin nature of the bound state and its compositeness in terms of the channels. Furthermore, we evaluate the scattering length and effective range of all three channels, as well as the couplings of the bound state found to all the components. Lastly, the size parameter of the source function, R, which in principle should be a magnitude provided by the experimental teams, can be obtained from a fit to the data with relatively high accuracy. These findings show the value of the correlation function to learn about the meson-meson interaction for systems which are difficult to access in other present facilities. |
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Address |
[Ikeno, Natsumi] Tottori Univ, Dept Agr Life & Environm Sci, Tottori 6808551, Japan, Email: ikeno@tottori-u.ac.jp; |
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Elsevier |
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0370-2693 |
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WOS:001110529900001 |
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no |
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yes |
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yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5831 |
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Author |
Ferreiro, A.; Navarro-Salas, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Running couplings from adiabatic regularization |
Type |
Journal Article |
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Year |
2019 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
792 |
Issue |
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Pages |
81-85 |
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Keywords |
Adiabatic renormalization; Running couplings; Semiclassical Maxwell-Einstein equations |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We extend the adiabatic regularization method by introducing an arbitrary mass scale μin the construction of the subtraction terms. This allows us to obtain, in a very robust way, the running of the coupling constants by demanding mu-invariance of the effective semiclassical (Maxwell-Einstein) equations. In particular, we get the running of the electric charge of perturbative quantum electrodynamics. Furthermore, the method brings about a renormalization of the cosmological constant and the Newtonian gravitational constant. The running obtained for these dimensionful coupling constants has new relevant (non-logarithmic) contributions, not predicted by dimensional regularization. |
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Address |
[Ferreiro, Antonio; Navarro-Salas, Jose] Univ Valencia, Fac Fis, Ctr Mixto, Dept Fis Teor,CSIC, E-46100 Valencia, Spain, Email: antonio.ferreiro@ific.uv.es; |
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Elsevier Science Bv |
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0370-2693 |
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WOS:000466802100015 |
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no |
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yes |
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no |
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Call Number |
IFIC @ pastor @ |
Serial |
3997 |
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Author |
Civiletti, M.; Pallis, C.; Shafi, Q. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Upper bound on the tensor-to-scalar ratio in GUT-scale supersymmetric hybrid inflation |
Type |
Journal Article |
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Year |
2014 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
733 |
Issue |
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276-282 |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We explore the upper bound on the tensor-to-scalar ratio r in supersymmetric (F-term) hybrid inflation models with the gauge symmetry breaking scale set equal to the value 2.86 . 10(16) GeV, as dictated by the unification of the MSSM gauge couplings. We employ a unique renormalizable superpotential and a quasi-canonical Kahler potential, and the scalar spectral index n(s) is required to lie within the two-sigma interval from the central value found by the Planck satellite. In a sizable region of the parameter space the potential along the inflationary trajectory is a monotonically increasing function of the inflaton, and for this case, r less than or similar to 2.9.10(-4), while the spectral index running, vertical bar dn(s)/d ln k vertical bar, can be as large as 0.01. Ignoring higher order terms which ensure the boundedness of the potential for large values of the inflaton, the upper bound on r is significantly larger, of order 0.01, for subplanckian values of the inflaton, and vertical bar dn(s)/dlnk vertical bar similar or equal to 0.006. |
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[Civiletti, Matthew; Shafi, Qaisar] Univ Delaware, Dept Phys & Astron, Bartol Res Inst, Newark, DE 19716 USA, Email: mcivil@bartol.udel.edu; |
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Elsevier Science Bv |
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English |
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0370-2693 |
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WOS:000336430400048 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1805 |
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Author |
Kang, S.K.; Popov, O.; Srivastava, R.; Valle, J.W.F.; Vaquera-Araujo, C.A. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Scotogenic dark matter stability from gauged matter parity |
Type |
Journal Article |
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Year |
2019 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
798 |
Issue |
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Pages |
135013 - 10pp |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We explore the idea that dark matter stability results from the presence of a matter-parity symmetry, arising naturally as a consequence of the spontaneous breaking of an extended SU(3) circle times SU(3)(L) circle times U(1)(X) circle times U(1)(N) electroweak gauge symmetry with fully gauged B-L. Using this framework we construct a theory for scotogenic dark matter and analyze its main features. |
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Address |
[Kang, Sin Kyu] Seoul Tech, Sch Liberal Arts, Seoul 139743, South Korea, Email: skkang@seoultech.ac.kr; |
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Elsevier |
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0370-2693 |
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Notes |
WOS:000494939000040 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4196 |
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Permanent link to this record |
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Author |
Maji, R.; Park, W.I.; Shafi, Q. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Gravitational waves from walls bounded by strings in SO(10) model of pseudo-Goldstone dark matter |
Type |
Journal Article |
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Year |
2023 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
845 |
Issue |
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Pages |
138127 - 5pp |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We explore the gravitational wave spectrum generated by string-wall structures in an SO (10) (Spin(10)) based scenario of pseudo-Goldstone boson dark matter (pGDM) particle. This dark matter candidate is a linear combination of the Standard Model (SM) singlets present in the 126 and 16 dimensional Higgs fields. The Higgs 126-plet vacuum expectation value (VEV) < 126(H)> leaves unbroken the Z(2) subgroup of Z(4), the center of SO (10). Among other things, this yields topologically stable cosmic strings with a string tension μsimilar to < 126(H)>(2). The subsequent (spontaneous) breaking of Z(2) at a significantly lower scale by the 16-plet VEV < 16(H)> leads to the appearance of domain walls bounded by the strings produced earlier. We display the gravitational wave spectrum for G μvalues varying between 10(-15) and 10(-9) (< 126(H)> similar to 10(11) – 10(14) GeV), and < 16(H)> similar to 0.1 – 10(2) TeV range (G denotes Newton's constant.) These predictions can be tested, as we show, by a variety of (proposed) experiments including LISA, ET, CE and others. |
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[Maji, Rinku] Jeonbuk Natl Univ, Dept Phys, Lab Symmetry & Struct, Jeonju 54896, South Korea, Email: rinkumaji9792@gmail.com |
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Elsevier |
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0370-2693 |
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Notes |
WOS:001116786800001 |
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no |
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yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5842 |
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Author |
Jimenez, R.; Pena-Garay, C.; Verde, L. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Is it possible to explore Peccei-Quinn axions from frequency-dependence radiation dimming? |
Type |
Journal Article |
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Year |
2011 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
703 |
Issue |
3 |
Pages |
232-236 |
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Keywords |
Axion; CF; White dwarf |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We explore how the Peccei-Quinn (PQ) axion parameter space can be constrained by the frequency-dependence dimming of radiation from astrophysical objects. To do so we perform accurate calculations of photon-axion conversion in the presence of a variable magnetic field. We propose several tests where the PQ axion parameter space can be explored with current and future astronomical surveys: the observed spectra of isolated neutron stars, occultations of background objects by white dwarfs and neutron stars, the light-curves of eclipsing binaries containing a white dwarf. We find that the lack of dimming of the light-curve of a detached eclipsing white dwarf binary recently observed, leads to relevant constraints on the photon-axion conversion. Current surveys designed for Earth-like planet searches are well matched to strengthen and improve the constraints on the PQ axion using astrophysical objects radiation dimming. |
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[Jimenez, R; Verde, L] Univ Barcelona IEEC UB, ICREA & ICC, Barcelona 08028, Spain, Email: jimenez@icc.ub.edu |
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Elsevier Science Bv |
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0370-2693 |
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WOS:000295198300005 |
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no |
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yes |
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no |
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Call Number |
IFIC @ elepoucu @ |
Serial |
779 |
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Author |
Yamagata-Sekihara, J.; Oset, E. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
V P gamma radiative decay of resonances dynamically generated from the vector meson-vector meson interaction |
Type |
Journal Article |
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Year |
2010 |
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Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
690 |
Issue |
4 |
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376-381 |
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Local hidden gauge; Radiative decays; Vector mesons; Dynamically generated resonances |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We evaluate the radiative decay into a vector, a pseudoscalar and a photon of several resonances dynamically generated from the vector-vector interaction. The process proceeds via the decay of one of the vector components into a pseudoscalar and a photon, which have an invariant mass distribution very different from phase space as a consequence of the two vector structure of the resonances. Experimental work along these lines should provide useful information on the nature of these resonances. |
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[Yamagata-Sekihara, J.] Univ Valencia, Ctr Mixto, CSIC, Inst Invest Paterna,Dept Fis Teor, Valencia 46071, Spain, Email: yamagata@ific.uv.es |
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Elsevier Science Bv |
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0370-2693 |
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ISI:000279835300008 |
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no |
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yes |
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no |
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Call Number |
IFIC @ elepoucu @ |
Serial |
408 |
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Author |
Nieves, J.; Ruiz Simo, I.; Vicente Vacas, M.J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Two particle-hole excitations in charged current quasielastic antineutrino-nucleus scattering |
Type |
Journal Article |
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Year |
2013 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
721 |
Issue |
1-3 |
Pages |
90-93 |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
We evaluate the quasielastic and multinucleon contributions to the antineutrino-nucleus scattering cross section and compare our results with the recent MiniBooNE data. We use a local Fermi gas model that includes RPA correlations and gets the multinucleon part from a systematic many body expansion of the W boson selfenergy in the nuclear medium. The same model had been quite successful for the neutrino cross section and contains no new parameters. We have also analyzed the relevance of 2p2h events for the antineutrino energy reconstruction. |
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Address |
Univ Valencia, Inst Invest Paterna, Inst Fis Corpuscular IFIC, Ctr Mixto,CSIC, E-46071 Valencia, Spain, Email: jmnieves@ific.uv.es |
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Elsevier Science Bv |
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0370-2693 |
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Notes |
WOS:000317326100013 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1425 |
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Permanent link to this record |