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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Rinaldi, M.; Ceccopieri, F.A.; Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
The pion in the graviton soft-wall model: phenomenological applications |
Type |
Journal Article |
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Year |
2022 |
Publication |
European Physical Journal C |
Abbreviated Journal |
Eur. Phys. J. C |
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Volume |
82 |
Issue |
7 |
Pages |
626 - 18pp |
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Abstract |
The holographic graviton soft-wall model, introduced to describe the spectrum of scalar and tensor glueballs, is improved to incorporate the realization of chiral-symmetry as in QCD. Such a goal is achieved by including the longitudinal dynamics of QCD into the scheme. Using the relation between AdS/QCD and light-front dynamics, we construct the appropriate wave function for the pion which is used to calculate several pion observables. The comparison of our results with phenomenology is remarkably successful. |
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Address |
[Rinaldi, Matteo] Univ Perugia, Ist Nazl Fis Nucl, Dipartimento Fis & Geol, Sect Perugia, Via A Pascoli, I-06123 Perugia, Italy, Email: matteo.rinaldi@pg.infn.it |
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Springer |
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English |
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ISSN |
1434-6044 |
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Notes |
WOS:000828534300001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5300 |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Richard, J.M.; Valcarce, A.; Vijande, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Pentaquarks with anticharm or beauty revisited |
Type |
Journal Article |
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Year |
2019 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
790 |
Issue |
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Pages |
248-250 |
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Abstract |
We use a constituent model to analyze the stability of pentaquark (Q) over bar qqqq configurations with a heavy antiquark (c) over bar or (b) over bar, and four light quarks uuds, ddsu or ssud. The interplay between chromoelectric and chromomagnetic effects is not favorable, and, as a consequence, no bound state is found below the lowest dissociation threshold. |
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Address |
[Richard, Jean-Marc] Univ Lyon, Inst Phys Nucl Lyon, IN2P3, CNRS,UCBL, 4 Rue Enrico Fermi, F-69622 Villeurbanne, France, Email: j-m.richard@ipnl.in2p3.fr; |
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Publisher |
Elsevier Science Bv |
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English |
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ISSN |
0370-2693 |
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Expedition |
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Conference |
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Notes |
WOS:000460118200028 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3938 |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Richard, J.M.; Valcarce, A.; Vijande, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Hall-Post inequalities: Review and application to molecules and tetraquarks |
Type |
Journal Article |
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Year |
2020 |
Publication |
Annals of Physics |
Abbreviated Journal |
Ann. Phys. |
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Volume |
412 |
Issue |
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Pages |
168009 - 32pp |
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Keywords |
Hall-Post inequality; Few Body; Molecule; Quark model; Baryons; Tetraquark |
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Abstract |
A review is presented of the Hall-Post inequalities that give lower-bounds to the ground-state energy of quantum systems in terms of energies of smaller systems. New applications are given for systems experiencing both a static source and inner interactions, as well as for hydrogen-like molecules and for tetraquarks in some quark models. In the latter case, the Hall-Post inequalities constrain the possibility of deeply-bound exotic mesons below the threshold for dissociation into two quark-antiquark mesons. We also emphasize the usefulness of the Hall-Post bounds in terms of 3-body energies when some 2-body subsystems are ill defined or do not support any bound state. |
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Address |
[Richard, Jean-Marc] Univ Lyon, Inst Phys Deux Infinis, IN2P3, CNRS,UCBL, 4 Rue Enrico Fermi, F-69622 Villeurbanne, France, Email: j-m.richard@ipnl.in2p3.fr; |
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Publisher |
Academic Press Inc Elsevier Science |
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English |
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ISSN |
0003-4916 |
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Conference |
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Notes |
WOS:000509419600017 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4262 |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Richard, J.M.; Valcarce, A.; Vijande, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Very Heavy Flavored Dibaryons |
Type |
Journal Article |
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Year |
2020 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
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Volume |
124 |
Issue |
21 |
Pages |
212001 - 4pp |
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Keywords |
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Abstract |
We explore the possibility of very heavy dibaryons with three charm quarks and three beauty quarks, bbbccc, using a constituent model which should lead to the correct solution in the limit of hadrons made of heavy quarks. The six-body problem is treated rigorously, in particular taking into account the orbital, color, and spin mixed-symmetry components of the wave function. Unlike a recent claim based on lattice QCD, no bound state is found below the lowest dissociation threshold. |
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Address |
[Richard, Jean-Marc] Univ Lyon, Inst Phys Infinis Lyon 2, IN2P3, CNRS,UCBL, 4 Rue Enrico Fermi, F-69622 Villeurbanne, France, Email: j-m.richard@ipnl.in2p3.fr; |
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Publisher |
Amer Physical Soc |
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English |
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ISSN |
0031-9007 |
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Expedition |
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Conference |
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Notes |
WOS:000535679100015 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4408 |
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Permanent link to this record |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Richard, J.M.; Valcarce, A.; Vijande, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Effect of relativistic kinematics on the stability of multiquarks |
Type |
Journal Article |
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Year |
2021 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
103 |
Issue |
5 |
Pages |
054020 - 8pp |
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Keywords |
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Abstract |
We discuss whether the bound nature of multiquark states in quark models could benefit from relativistic effects on the kinetic energy operator. For mesons and baryons, relativistic corrections to the kinetic energy lead to lower energies, and thus call for a retuning of the parameters of the model. For multiquark states, as well as their respective thresholds, a comparison is made of the results obtained with nonrelativistic and relativistic kinetic energy. It is found that the binding energy is lower in the relativistic case. In particular, QQ (q) over bar(q) over bar tetraquarks with double heavy flavor become stable for a larger ratio of the heavy to light quark masses; the all-heavy tetraquarks QQ (Q) over bar(Q) over bar that are not stable in standard nonrelativistic quark models remain unstable when a relativistic form of kinetic energy is adopted. |
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Address |
[Richard, Jean-Marc] Univ Lyon, Inst Phys Infinis Lyon 2, IN2P3 CNRS UCBL, 4 Rue Enrico Fermi, F-69622 Villeurbanne, France, Email: j-m.richard@ipnl.in2p3.fr; |
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Publisher |
Amer Physical Soc |
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English |
Summary Language |
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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 |
2470-0010 |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000648531300004 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4838 |
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Permanent link to this record |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Renteria-Estrada, D.F.; Hernandez-Pinto, R.J.; Sborlini, G.F.R. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Analysis of the Internal Structure of Hadrons Using Direct Photon Production |
Type |
Journal Article |
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Year |
2021 |
Publication |
Symmetry-Basel |
Abbreviated Journal |
Symmetry-Basel |
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Volume |
13 |
Issue |
6 |
Pages |
942 - 10pp |
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Keywords |
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Abstract |
Achieving a precise description of the internal structure of hadrons is crucial for deciphering the hidden properties and symmetries of fundamental particles. It is a hard task since there are several bottlenecks in obtaining theoretical predictions starting from first principles. In order to complement highly accurate experiments, it is necessary to use ingenious strategies to impose constraints from the theory side. In this article, we describe how photons can be used to unveil the internal structure of hadrons. We explore how to describe NLO QCD plus LO QED corrections to hadron plus photon production at colliders and discuss the impact of these effects on the experimental measurements. |
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Notes |
WOS:000666516000001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4876 |
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Permanent link to this record |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Renner, J. et al; Romo-Luque, C.; Carrion, J.V.; Diaz, J.; Martinez, A.; Querol, M.; Rodriguez-Ponce, J.; Teruel-Pardo, S. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Monte Carlo characterization of PETALO, a full-body liquid xenon-based PET detector |
Type |
Journal Article |
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Year |
2022 |
Publication |
Journal of Instrumentation |
Abbreviated Journal |
J. Instrum. |
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Volume |
17 |
Issue |
5 |
Pages |
P05044 - 17pp |
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Keywords |
Cryogenic detectors; Gamma camera; SPECT; PET PET; CT; coronary CT angiography (CTA); Liquid detectors |
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Abstract |
New detector approaches in Positron Emission Tomography imaging will play an important role in reducing costs, lowering administered radiation doses, and improving overall performance. PETALO employs liquid xenon as the active scintillating medium and UV-sensitive silicon photomultipliers for scintillation readout. The scintillation time in liquid xenon is fast enough to register time-of-flight information for each detected coincidence, and sufficient scintillation is produced with low enough fluctuations to obtain good energy resolution. The present simulation study examines a full-body-sized PETALO detector and evaluates its potential performance in PET image reconstruction. |
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Address |
[Romo-Luque, C.; Carrion, J. V.; Diaz, J.; Martinez, A.; Querol, M.; Rodriguez-Ponce, J.; Teruel-Pardo, S.] CSIC, Inst Fis Corpuscular IFIC, Calle Catedrat Jose Beltran 2, E-46980 Valencia, Spain, Email: paola.ferrario@dipc.org |
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Publisher |
IOP Publishing Ltd |
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English |
Summary Language |
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ISSN |
1748-0221 |
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Notes |
WOS:000811102400010 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5264 |
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Permanent link to this record |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Reig, M.; Valle, J.W.F.; Yamada, M. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Light majoron cold dark matter from topological defects and the formation of boson stars |
Type |
Journal Article |
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Year |
2019 |
Publication |
Journal of Cosmology and Astroparticle Physics |
Abbreviated Journal |
J. Cosmol. Astropart. Phys. |
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Volume |
09 |
Issue |
9 |
Pages |
029 - 25pp |
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Keywords |
Cosmic strings; domain walls; monopoles; particle physics – cosmology connection; cosmology of theories beyond the SM; cosmological neutrinos |
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Abstract |
We show that for a relatively light majoron (<< 100 eV) non-thermal production from topological defects is an efficient production mechanism. Taking the type I seesaw as benchmark scheme, we estimate the primordial majoron abundance and determine the required parameter choices where it can account for the observed cosmological dark matter. The latter is consistent with the scale of unification. Possible direct detection of light majorons with future experiments such as PTOLEMY and the formation of boson stars from the majoron dark matter are also discussed. |
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Address |
[Reig, Mario; Valle, Jose W. F.] Univ Valencia, AHEP Grp, Inst Fis Corpuscular, CSIC, Parc Cient Paterna,Catedrat Jose Beltran 2, E-46980 Paterna, Valencia, Spain, Email: mario.reig@ific.uv.es; |
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Publisher |
Iop Publishing Ltd |
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English |
Summary Language |
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Edition |
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ISSN |
1475-7516 |
ISBN |
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Notes |
WOS:000487690100005 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4154 |
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Permanent link to this record |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Reig, M.; Srivastava, R. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Spontaneous proton decay and the origin of Peccei-Quinn symmetry |
Type |
Journal Article |
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Year |
2019 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
790 |
Issue |
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Pages |
134-139 |
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Keywords |
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Abstract |
We propose a new interpretation of Peccei-Quinn symmetry within the Standard Model, identifying it with the axial B+L symmetry i.e. U (1)(PQ) equivalent to U (1)(gamma 5)(B+L). This new interpretation retains all the attractive features of Peccei-Quinn solution to strong CP problem but in addition also leads to several other new and interesting consequences. Owing to the identification U (1)(PQ) equivalent to U (1)(gamma 5)(B+L) the axion also behaves like Majoron inducing small seesaw masses for neutrinos after spontaneous symmetry breaking. Another novel feature of this identification is the phenomenon of spontaneous (and also chiral) proton decay with its decay rate associated with the axion decay constant. Low energy processes which can be used to test this interpretation are pointed out. |
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Address |
[Reig, Mario; Srivastava, Rahul] Univ Valencia, AHEP Grp, Inst Fis Corpuscular, CSIC, Parc Cient Paterna,C Catedrat Jose Beltran 2, E-46980 Paterna, Valencia, Spain, Email: mario.reig@ific.uv.es; |
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Publisher |
Elsevier Science Bv |
Place of Publication |
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Language |
English |
Summary Language |
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Original Title |
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ISSN |
0370-2693 |
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Notes |
WOS:000460118200014 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
3933 |
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Permanent link to this record |
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Author ![sorted by Author field, descending order (down)](img/sort_desc.gif) |
Reig, M.; Restrepo, D.; Valle, J.W.F.; Zapata, O. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Bound-state dark matter with Majorana neutrinos |
Type |
Journal Article |
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Year |
2019 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
790 |
Issue |
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Pages |
303-307 |
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Keywords |
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Abstract |
We propose a simple scenario in which dark matter (DM) emerges as a stable neutral hadronic thermal relic, its stability following from an exact U(1)(D) symmetry. Neutrinos pick up radiatively induced Majorana masses from the exchange of colored DM constituents. There is a common origin for both dark matter and neutrino mass, with a lower bound for neutrinoless double beta decay. Direct DM searches at nuclear recoil experiments will test the proposal, which may also lead to other phenomenological signals at future hadron collider and lepton flavor violation experiments. |
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Address |
[Reig, M.; Valle, J. W. F.] Univ Valencia, Inst Fis Corpuscular, AHEP Grp, CSIC, Parc Cient Paterna,C Catedrat Jose Beltran 2, E-46980 Paterna, Valencia, Spain, Email: mario.reig@ific.uv.es; |
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Publisher |
Elsevier Science Bv |
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English |
Summary Language |
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ISSN |
0370-2693 |
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Expedition |
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Conference |
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Notes |
WOS:000460118200034 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3935 |
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Permanent link to this record |