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Author |
Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Glueball-meson mixing |
Type |
Journal Article |
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Year |
2016 |
Publication |
European Physical Journal A |
Abbreviated Journal |
Eur. Phys. J. A |
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Volume |
52 |
Issue |
1 |
Pages |
1 - 5pp |
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Abstract |
Calculations in unquenched QCD for the scalar glueball spectrum have confirmed previous results of Gluodynamics finding a glueball at similar to 1750 MeV. I analyze the implications of this discovery from the point of view of glueball-meson mixing in light of the experimental scalar sprectrum. |
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Address |
[Vento, Vicente] Univ Valencia, Dept Fis Teor, CSIC, E-46100 Burjassot, Valencia, Spain, Email: vicente.vento@uv.es |
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1434-6001 |
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WOS:000368116700001 |
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no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
2525 |
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Permanent link to this record |
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Author |
Rinaldi, M.; Scopetta, S.; Traini, M.; Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Correlations in double parton distributions: perturbative and non-perturbative effects |
Type |
Journal Article |
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Year |
2016 |
Publication |
Journal of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
10 |
Issue |
10 |
Pages |
063 - 36pp |
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Keywords |
Deep Inelastic Scattering (Phenomenology); Phenomenological Models |
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Abstract |
The correct description of Double Parton Scattering (DPS), which represents a background in several channels for the search of new Physics at the LHC, requires the knowledge of double parton distribution functions (dPDFs). These quantities represent also a novel tool for the study of the three-dimensional nucleon structure, complementary to the possibilities offered by electromagnetic probes. In this paper we analyze dPDFs using Poincare covariant predictions obtained by using a Light-Front constituent quark model proposed in a recent paper, and QCD evolution. We study to what extent factorized expressions for dPDFs, which neglect, at least in part, two-parton correlations, can be used. We show that they fail in reproducing the calculated dPDFs, in particular in the valence region. Actually measurable processes at existing facilities occur at low longitudinal momenta of the interacting partons; to have contact with these processes we have analyzed correlations between pairs of partons of different kind, finding that, in some cases, they are strongly suppressed at low longitudinal momenta, while for other distributions they can be sizeable. For example, the effect of gluon-gluon correlations can be as large as 20 %. We have shown that these behaviors can be understood in terms of a delicate interference of non-perturbative correlations, generated by the dynamics of the model, and perturbative ones, generated by the model independent evolution procedure. Our analysis shows that at LHC kinematics two-parton correlations can be relevant in DPS, and therefore we address the possibility to study them experimentally. |
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Address |
[Rinaldi, Matteo; Scopetta, Sergio] Univ Perugia, Dipartimento Fis & Geol, I-06123 Perugia, Italy, Email: matteo.rinaldi@pg.infn.it; |
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1029-8479 |
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WOS:000386670400001 |
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no |
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yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
2847 |
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Author |
MoEDAL Collaboration (Acharya, B. et al); Bernabeu, J.; Garcia, C.; King, M.; Mitsou, V.A.; Vento, V.; Vives, O. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Search for magnetic monopoles with the MoEDAL prototype trapping detector in 8 TeV proton-proton collisions at the LHC |
Type |
Journal Article |
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Year |
2016 |
Publication |
Journal of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
08 |
Issue |
8 |
Pages |
067 - 25pp |
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Keywords |
Exotics; Hadron-Hadron scattering (experiments); Particle and resonance production |
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Abstract |
The MoEDAL experiment is designed to search for magnetic monopoles and other highly-ionising particles produced in high-energy collisions at the LHC. The largely passive MoEDAL detector, deployed at Interaction Point 8 on the LHC ring, relies on two dedicated direct detection techniques. The first technique is based on stacks of nuclear-track detectors with surface area similar to 18 m(2), sensitive to particle ionisation exceeding a high threshold. These detectors are analysed offline by optical scanning microscopes. The second technique is based on the trapping of charged particles in an array of roughly 800 kg of aluminium samples. These samples are monitored offline for the presence of trapped magnetic charge at a remote superconducting magnetometer facility. We present here the results of a search for magnetic monopoles using a 160 kg prototype MoEDAL trapping detector exposed to 8TeV proton-proton collisions at the LHC, for an integrated luminosity of 0.75 fb(-1). No magnetic charge exceeding 0.5g(D) (where g(D) is the Dirac magnetic charge) is measured in any of the exposed samples, allowing limits to be placed on monopole production in the mass range 100 GeV <= m <= 3500 GeV. Model-independent cross-section limits are presented in fiducial regions of monopole energy and direction for 1g(D) <= vertical bar g vertical bar <= 6g(D), and model-dependent cross-section limits are obtained for Drell-Yan pair production of spin-1/2 and spin-0 monopoles for 1g(D) <= vertical bar g vertical bar <= 4g(D). Under the assumption of Drell-Yan cross sections, mass limits are derived for vertical bar g vertical bar = 2g(D) and vertical bar g vertical bar = 3g(D) for the first time at the LHC, surpassing the results from previous collider experiments. |
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Address |
[Acharya, B.; Alexandre, J.; Ellis, J. R.; Fairbairn, M.; Mavromatos, N. E.; Sakellariadou, M.; Sarkar, S.] Kings Coll London, Dept Phys, Theoret Particle Phys & Cosmol Grp, London, England, Email: philippe.mermod@cern.ch |
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1029-8479 |
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Notes |
WOS:000391754500001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
2927 |
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Permanent link to this record |
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Author |
Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
AdS gravity and the scalar glueball spectrum |
Type |
Journal Article |
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Year |
2017 |
Publication |
European Physical Journal A |
Abbreviated Journal |
Eur. Phys. J. A |
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Volume |
53 |
Issue |
9 |
Pages |
185 - 4pp |
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Keywords |
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Abstract |
The scalar glueball spectrum has attracted much attention since the formulation of Quantum Chromodynamics. Different approaches give very different results for the glueball masses. We revisit the problem from the perspective of the AdS/CFT correspondence. |
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Address |
[Vento, Vicente] Univ Valencia, Dept Fis Teor, E-46100 Burjassot, Valencia, Spain, Email: vicente.vento@uv.es |
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1434-6001 |
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Notes |
WOS:000411483500001 |
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no |
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yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
3306 |
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Permanent link to this record |
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Author |
Garcia Canal, C.A.; Tarutina, T.; Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Deuteron structure in the deep inelastic regime |
Type |
Journal Article |
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Year |
2017 |
Publication |
European Physical Journal A |
Abbreviated Journal |
Eur. Phys. J. A |
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Volume |
53 |
Issue |
6 |
Pages |
118 - 5pp |
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Keywords |
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Abstract |
We study nuclear effects in the deuteron in the deep inelastic regime using the newest available data. We put special emphasis on their Q(2) dependence. The study is carried out using a scheme which parameterizes, in a simple manner, these effects by changing the proton and neutron stucture functions in medium. The result of our analysis is compared with other recent proposals. We conclude that precise EMC ratios cannot be obtained without considering the nuclear effects in the deuteron. |
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Address |
[Garcia Canal, C. A.; Tarutina, T.] Univ Nacl La Plata, IFLP CONICET, CC 67, RA-1900 La Plata, Buenos Aires, Argentina, Email: ttarutina@gmail.com |
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1434-6001 |
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Notes |
WOS:000402987800001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3356 |
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Permanent link to this record |
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Author |
Rinaldi, M.; Vento, V. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Scalar and tensor glueballs as gravitons |
Type |
Journal Article |
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Year |
2018 |
Publication |
European Physical Journal A |
Abbreviated Journal |
Eur. Phys. J. A |
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Volume |
54 |
Issue |
9 |
Pages |
151 - 7pp |
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Keywords |
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Abstract |
The bottom-up approach of the AdS/CFT correspondence leads to the study of field equations in an AdS(5) background and from their solutions to the determination of the hadronic mass spectrum. We extend the study to the equations of AdS(5) gravitons and determine from them the glueball spectrum. We propose an original presentation of the results which facilitates the comparison of the various models with the spectrum obtained by lattice QCD. This comparison allows to draw some phenomenological conclusions. |
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Address |
[Rinaldi, Matteo; Vento, Vicente] Univ Valencia, CSIC, Dept Fis Teor, IFIC, E-46100 Burjassot, Valencia, Spain, Email: vicente.vento@uv.es |
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1434-6001 |
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WOS:000444638600003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
3732 |
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Permanent link to this record |
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Author |
Rinaldi, M.; Scopetta, S.; Traini, M.; Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
A model calculation of double parton distribution functions of the pion |
Type |
Journal Article |
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Year |
2018 |
Publication |
European Physical Journal C |
Abbreviated Journal |
Eur. Phys. J. C |
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Volume |
78 |
Issue |
9 |
Pages |
781 - 9pp |
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Abstract |
Two-parton correlations in the pion are investigated in terms of double parton distribution functions. A Poincare covariant light-front framework has been adopted. As non perturbative input, the pion wave function obtained within the so-called soft-wall AdS/QCD model has been used. Results show how novel dynamical information on the structure of the pion, not accessible through one-body quantities, are encoded in double parton distribution functions. |
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Address |
[Rinaldi, Matteo; Vento, Vicente] Univ Valencia, Dept Fis Teor, Valencia, Spain, Email: mrinaldi@ific.uv.es |
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1434-6044 |
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Notes |
WOS:000445683400009 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3741 |
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Permanent link to this record |
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Author |
Vento, V.; Traini, M. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Scattering of charged particles off monopole-anti-monopole pairs |
Type |
Journal Article |
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Year |
2020 |
Publication |
European Physical Journal C |
Abbreviated Journal |
Eur. Phys. J. C |
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Volume |
80 |
Issue |
1 |
Pages |
62 - 10pp |
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Keywords |
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Abstract |
The Large Hadron Collider is reaching energies never achieved before allowing the search for exotic particles in the TeV mass range. In a continuing effort to find monopoles we discuss the effect of the magnetic dipole field created by a pair of monopole-anti-monopole or monopolium on the successive bunches of charged particles in the beam at LHC. |
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Address |
[Vento, Vicente] Univ Valencia, CSIC, Dept Fis Teor, IFIC, E-46100 Valencia, Spain, Email: vicente.vento@uv.es |
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Springer |
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1434-6044 |
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WOS:000521222100001 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4340 |
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Author |
Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Primordial monopolium as dark matter |
Type |
Journal Article |
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Year |
2021 |
Publication |
European Physical Journal C |
Abbreviated Journal |
Eur. Phys. J. C |
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Volume |
81 |
Issue |
3 |
Pages |
229 - 9pp |
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Keywords |
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Abstract |
The existence of monopoles is a characteristic signature of Kaluza-Klein multidimensional theories. The topology of these solutions is extremely interesting. The existence of a dipole solution, which we have associated to a monopole-anti-monopole bound state, is the leitmotiv of this investigation. The dipole in its lowest energy state, which we here call also monopolium, is electromagnetically inert in free space interacting only gravitationally. Monopolium when interacting with time dependent magnetic fields acquires a time dependent induced magnetic moment and radiates. We have analyzed the most favorable astrophysical scenario for radiative monopolium and found that the amount of radiation is so small that is not detectable by conventional equipments. These findings suggest that Kaluza-Klein monopolium, if existent, would be a candidate for a primordial dark matter constituent. |
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Address |
[Vento, Vicente] Univ Valencia, CSIC, Dept Fis Teor, IFIC, E-46100 Valencia, Spain, Email: vicente.vento@uv.es |
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1434-6044 |
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WOS:000629590900001 |
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no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
4758 |
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Permanent link to this record |
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Author |
Rinaldi, M.; Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Glueballs at high temperature within the hard-wall holographic model |
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 |
2 |
Pages |
140 - 10pp |
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Keywords |
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Abstract |
In this investigation an holographic description of the deconfined phase transition of scalar and tensor glueballs is presented within the so called hard-wall model. The spectra of these bound states of gluons have been calculated from the linearized Einstein equations for a graviton propagating from a thermal AdS(5) space to an AdS Black-Hole. In this framework, the deconfined phase is reached via a two steps mechanism. We propose that the transition between the AdS thermal sector to the BH is described via a first order phase transition, with discontinuous masses at the critical temperature, which has been determined by Herzog's method of regulating the free energy densities. Then, the glueball masses diverge with increasing T in the BH phase and thus lead to deconfined states a la Hagedorn. |
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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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1434-6044 |
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Notes |
WOS:000755916200007 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5132 |
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