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Author |
ANTARES Collaboration (Albert, A. et al); Barrios-Marti, J.; Hernandez-Rey, J.J.; Illuminati, G.; Lotze, M.; Tönnis, C.; Zornoza, J.D.; Zuñiga, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Model-independent search for neutrino sources with the ANTARES neutrino telescope |
Type |
Journal Article |
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Year |
2020 |
Publication |
Astroparticle Physics |
Abbreviated Journal |
Astropart Phys. |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
114 |
Issue |
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Pages |
35-47 |
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Keywords |
Neutrino astronomy; Astroparticle physics; Pattern recognition; Anisotropy |
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Abstract |
A novel method to analyse the spatial distribution of neutrino candidates recorded with the ANTARES neutrino telescope is introduced, searching for an excess of neutrinos in a region of arbitrary size and shape from any direction in the sky. Techniques originating from the domains of machine learning, pattern recognition and image processing are used to purify the sample of neutrino candidates and for the analysis of the obtained skymap. In contrast to a dedicated search for a specific neutrino emission model, this approach is sensitive to a wide range of possible morphologies of potential sources of high-energy neutrino emission. The application of these methods to ANTARES data yields a large-scale excess with a post-trial significance of 2.5 sigma. Applied to public data from IceCube in its IC40 configuration, an excess consistent with the results from ANTARES is observed with a post-trial significance of 2.1 sigma. |
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Address |
[Albert, A.; Drouhin, D.; Racca, C.; Saldana, M.] Univ Haute Alsace, Inst Univ Technol Colmar, GRPHE, 34 Rue Grillenbreit,BP Colmar 50568, F-68008 Mulhouse, France, Email: stefan.geisselsoeder@fau.de; |
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Elsevier |
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English |
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0927-6505 |
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Notes |
WOS:000489353300005 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4167 |
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Author |
KM3NeT Collaboration (Aiello, S. et al); Barrios-Marti, J.; Calvo, D.; Coleiro, A.; Colomer, M.; Gozzini, S.R.; Hernandez-Rey, J.J.; Illuminati, G.; Khan Chowdhury, N.R.; Lotze, M.; Real, D.; Thakore, T.; Zornoza, J.D.; Zuñiga, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Sensitivity of the KM3NeT/ARCA neutrino telescope to point-like neutrino sources |
Type |
Journal Article |
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Year |
2019 |
Publication |
Astroparticle Physics |
Abbreviated Journal |
Astropart Phys. |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
111 |
Issue |
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Pages |
100-110 |
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Keywords |
Astrophysical neutrino sources; Cherenkov underwater neutrino telescope; KM3NeT |
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Abstract |
KM3NeT will be a network of deep-sea neutrino telescopes in the Mediterranean Sea. The KM3NeT/ARCA detector, to be installed at the Capo Passero site (Italy), is optimised for the detection of high-energy neutrinos of cosmic origin. Thanks to its geographical location on the Northern hemisphere, KM3NeT/ARCA can observe upgoing neutrinos from most of the Galactic Plane, including the Galactic Centre. Given its effective area and excellent pointing resolution, KM3NeT/ARCA will measure or significantly constrain the neutrino flux from potential astrophysical neutrino sources. At the same time, it will test flux predictions based on gamma-ray measurements and the assumption that the gamma-ray flux is of hadronic origin. Assuming this scenario, discovery potentials and sensitivities for a selected list of Galactic sources and to generic point sources with an E(-2 )spectrum are presented. These spectra are assumed to be time independent. The results indicate that an observation with 3 sigma significance is possible in about six years of operation for the most intense sources, such as Supernovae Remnants RX J1713.7-3946 and Vela Jr. If no signal will be found during this time, the fraction of the gamma-ray flux coming from hadronic processes can be constrained to be below 50% for these two objects. |
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Address |
[Aiello, S.; Leonora, E.; Longhitano, F.; Randazzo, N.; Tatone, F.] Ist Nazl Fis Nucl, Sez Catania, Via Santa Sofia 64, I-95123 Catania, Italy, Email: sapienza@lns.infn.it; |
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Elsevier Science Bv |
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0927-6505 |
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Notes |
WOS:000470047300008 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4047 |
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Permanent link to this record |
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Author |
Hagedorn, C.; Lopez-Ibañez, M.L.; Jay Perez, M.; Hossain Rahat, M.; Vives, O. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Flavon vacuum alignment beyond SUSY |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
110 |
Issue |
1 |
Pages |
015009 - 17pp |
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Abstract |
In flavor models the vacuum alignment of flavons is typically achieved via the F-terms of certain fields in the supersymmetric limit. We propose a method for preserving such alignments, up to a rescaling of the vacuum expectation values, even after softly breaking supersymmetry (and the flavor symmetry). This facilitates the vacuum alignment in models which are nonsupersymmetric at low energies. Examples of models with different flavor groups, namely, A4, T7, S4, and Delta & eth;27 & THORN;, are discussed. |
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Address |
[Hagedorn, Claudia; Rahat, Moinul Hossain; Vives, Oscar] Univ Valencia, CSIC, Inst Fic Corpuscular, C-Catedrat JoseBeltran 2, E-46980 Paterna, Spain, Email: claudia.hagedorn@ific.uv.es; |
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Amer Physical Soc |
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English |
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ISSN |
2470-0010 |
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Notes |
WOS:001277350100013 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6224 |
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Author |
IDS Collaboration (Benito, J. et al); Nacher, E. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Detailed structure of 131Sn populated in the β decay of isomerically purified 131In states |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review C |
Abbreviated Journal |
Phys. Rev. C |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
110 |
Issue |
1 |
Pages |
014328 - 19pp |
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Keywords |
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Abstract |
The excited structure of the single-hole nucleus 131 Sn populated by the beta – decay of 131 In was investigated in detail at the ISOLDE facility at CERN. This new experiment took advantage of isomeric purification capabilities provided by resonant ionization, making it possible to independently study the decay of each isomer for the first time. The position of the first-excited nu h 11 / 2 neutron-hole state was confirmed via an independent mass spectroscopy experiment performed at the Ion Guide Isotope Separator On-Line facility at the University of Jyv & auml;skyl & auml;. The level scheme of 131 Sn was notably expanded with the addition of 31 new gamma-ray transitions and 22 new excited levels. The gamma-emitting excited levels above the neutron separation energy in 131 Sn were investigated, revealing a large number of states, which in some cases decay by transitions to other neutron-unbound states. Our analysis showed the dependence between the population of these states in 131 Sn and the beta-decaying 131 In state feeding them. Profiting from the isomer selectivity, it was possible to estimate the direct beta feeding to the 3/2+ / 2 + ground and 11/2- / 2 – isomeric states, disentangling the contributions from the three indium parent states. This made possible to resolve the discrepancies in log ft for first-forbidden transitions observed in previous studies, and to determine the beta-delayed neutron decay probability (Pn) P n ) values of each indium isomers independently. The first measurement of subnanosecond lifetimes in 131 Sn was performed in this work. A short T 1 / 2 = 18(4)-ps value was measured for the 1/2+ / 2 + neutron single-hole 332-keV state, which indicates an enhanced l-forbidden M 1 behavior for the nu 3 s – 1 1/2 / 2 -> nu 3 d – 13 / 2 transition. The measured half-lives of high-energy states populated in the beta decay of the (21/2+) / 2 + ) second isomeric state ( 131 m 2 In) provided valuable information on transition rates, supporting the interpretation of these levels as core-excited states analogous to those observed in the doubly-magic 132 Sn. |
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Address |
[Benito, J.; Fraile, L. M.; Carmona, M.; Galve, P.; Garcia-Diez, M.; Ibanez, P.; Lopez-Montes, A.; Martinez, M. C.; Murias, J. R.; Sanchez-Parcerisa, D.; Sanchez-Tembleque, V.; Udias, J. M.; Vedia, V.; Villa-Abaunza, A.] Univ Complutense Madrid, Grp Fis Nucl, CEI Moncloa, E-28040 Madrid, Spain, Email: jabenito@ucm.es; |
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Amer Physical Soc |
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English |
Summary Language |
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Edition |
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ISSN |
2469-9985 |
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Notes |
WOS:001285484500005 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6225 |
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Permanent link to this record |
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Author |
Mantovani Sarti, V.; Feijoo, A.; Vidana, I.; Ramos, A.; Giacosa, F.; Hyodo, T.; Kamiya, Y. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Constraining the low-energy S =-2 meson-baryon interaction with two-particle correlations |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
110 |
Issue |
1 |
Pages |
L011505 - 8pp |
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Keywords |
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Abstract |
In this paper we present a novel method to extract information on hadron-hadron interactions using for the first time femtoscopic data to constrain the low-energy constants of a QCD effective Lagrangian. This method offers a new way to investigate the nonperturbative regime of QCD in sectors where scattering experiments are not feasible, such as the multistrange and charm ones. As an example of its application, we use the very precise K-Lambda correlation function data, recently measured in pp collisions at LHC, to constrain the strangeness S = -2 meson-baryon interaction. The model obtained delivers new insights on the molecular nature of the Xi(1620) and Xi(1690) states. |
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Address |
[Sarti, V. Mantovani] Tech Univ Munich, Phys Dept E62, Garching, Germany, Email: valentina.mantovani-sarti@tum.de; |
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Amer Physical Soc |
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English |
Summary Language |
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Series Editor |
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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 |
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:001285579200004 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6227 |
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Permanent link to this record |
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Author |
Wilkinson, C.; Garcia Soto, A. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Low-ν method with LHC neutrinos |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
109 |
Issue |
3 |
Pages |
033010 - 19pp |
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Keywords |
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Abstract |
The Forward Physics Facility (FPF) plans to use neutrinos produced at the Large Hadron Collider to make a variety of measurements at previously unexplored TeV energies. Its primary goals include precision measurements of the neutrino cross section and using the measured neutrino flux both to uncover information about far-forward hadron production and to search for various beyond standard model scenarios. However, these goals have the potential to conflict: Extracting information about the flux or cross section relies upon an assumption about the other. In this paper, we demonstrate that the FPF can use the low-nu method-a technique for constraining the flux shape by isolating neutrino interactions with low energy transfer to the nucleus-to break this degeneracy. We show that the low-nu method is effective for extracting the nu μflux shape, in a model-independent way. We discuss its application for extracting the nu over bar μflux shape but find that this is significantly more model dependent. Finally, we explore the precision to which the nu μflux shape could be constrained at the FPF for a variety of proposed detector options. We find that the precision would be sufficient to discriminate between various realistic flux models. |
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Address |
[Wilkinson, C.] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA, Email: cwilkinson@lbl.gov; |
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Amer Physical Soc |
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English |
Summary Language |
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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:001183228500009 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5986 |
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Permanent link to this record |
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Author |
ATLAS Collaboration (Aad, G. et al); Aparisi Pozo, J.A.; Bailey, A.J.; Cabrera Urban, S.; Castillo, F.L.; Castillo Gimenez, V.; Costa, M.J.; Escobar, C.; Estrada Pastor, O.; Ferrer, A.; Fiorini, L.; Fullana Torregrosa, E.; Fuster, J.; Garcia, C.; Garcia Navarro, J.E.; Gonzalez de la Hoz, S.; Gonzalvo Rodriguez, G.R.; Guerrero Rojas, J.G.R.; Higon-Rodriguez, E.; Lacasta, C.; Lozano Bahilo, J.J.; Madaffari, D.; Mamuzic, J.; Marti-Garcia, S.; Martinez Agullo, P.; Mitsou, V.A.; Moreno Llacer, M.; Poveda, J.; Rodriguez Bosca, S.; Ruiz-Martinez, A.; Salt, J.; Santra, A.; Sayago Galvan, I.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valero, A.; Valls Ferrer, J.A.; Vos, M. |
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Title |
Search for quantum black hole production in lepton plus jet final states using proton-proton collisions at √s=13 TeV with the ATLAS detector |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
109 |
Issue |
3 |
Pages |
032010 - 28pp |
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Keywords |
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Abstract |
A search for quantum black holes in electron + jet and muon + jet invariant mass spectra is performed with 140 fb(-1) of data collected by the ATLAS detector in proton-proton collisions at root s = 13 TeV at the Large Hadron Collider. The observed invariant mass spectrum of lepton + jet pairs is consistent with Standard Model expectations. Upper limits are set at 95% confidence level on the production cross section times branching fractions for quantum black holes decaying into a lepton and a quark in a search region with invariant mass above 2.0 TeV. The resulting quantum black hole lower mass threshold limit is 9.2 TeV in the Arkani-Hamed-Dimopoulos-Dvali model, and 6.8 TeV in the Randall-Sundrum model. |
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Address |
[Jackson, P.; Kong, A. X. Y.; Oliver, J. L.; Petridis, A.; Ruggeri, T. A.; Sharma, A. S.; White, M. J.] Univ Adelaide, Dept Phys, Adelaide, SA, Australia |
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Publisher |
Amer Physical Soc |
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English |
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Abbreviated Series Title |
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Edition |
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ISSN |
2470-0010 |
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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:001183228500014 |
Approved |
no |
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Is ISI |
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International Collaboration |
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Call Number |
IFIC @ pastor @ |
Serial |
5987 |
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Permanent link to this record |
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Author |
Fajfer, S.; Solomonidi, E.; Vale Silva, L. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
S-wave contribution to rare D0 → π+ π- l+ l- decays in the standard model and sensitivity to new physics |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
109 |
Issue |
3 |
Pages |
036027 - 24pp |
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Keywords |
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Abstract |
Physics of the up-type flavor offers unique possibilities of testing the standard model (SM) compared to the down-type flavor sector. Here, we discuss SM and new physics (NP) contributions to the rare charmmeson decay D0 -> x+x- l+l-. In particular, we discuss the effect of including the lightest scalar isoscalar resonance in the SM picture, namely, the f0(500), which manifests in a big portion of the allowed phase space. Other than showing in the total branching ratio at an observable level of about 20%, the f0(500) resonance manifests as interference terms with the vector resonances, such as at high invariant mass of the leptonic pair in distinct angular observables. Recent data from LHCb optimize the sensitivity to P-wave contributions that we analyze in view of the inclusion of vector resonances. We propose the measurement of alternative observables that are sensitive to the S-wave and are straightforward to implement experimentally. This leads to a new set of null observables that vanish in the SM due to its gauge and flavor structures. Finally, we study observables that depend on the SM interference with generic NP contributions from semileptonic four-fermion operators in the presence of the S-wave. |
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Address |
[Fajfer, Svjetlana] Jozef Stefan Inst, Jamova 39,POB 3000, Ljubljana 1001, Slovenia |
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Amer Physical Soc |
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English |
Summary Language |
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2470-0010 |
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Area |
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Conference |
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Notes |
WOS:001181678500001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5991 |
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Permanent link to this record |
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Author |
Alexandre, J.; Mavromatos, N.E.; Mitsou, V.A.; Musumeci, E. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Resummation schemes for high-electric-charge objects leading to improved experimental mass limits |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
109 |
Issue |
3 |
Pages |
036026 - 20pp |
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Keywords |
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Abstract |
High-electric-charge compact objects (HECOs) appear in several theoretical particle physics models beyond the Standard Model, and are actively searched for in current colliders, such as the Large Hadron Collider at CERN. In such searches, mass bounds of these objects have been placed, using Drell-Yan and photon-fusion processes at tree level so far. However, such mass-bound estimates are not reliable, given that, as a result of the large values of the electric charge of the HECO, perturbative quantum electrodynamics calculations break down. In this work, we perform a Dyson-Schwinger resummation scheme (as opposed to lattice strong-coupling approach), which makes the computation of the pertinent HECO-production cross sections reliable, thus allowing us to extract improved mass bounds for such objects from ATLAS and MoEDAL searches. |
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Address |
[Alexandre, Jean; Mavromatos, Nick E.] Kings Coll London, Dept Phys, Theoret Particle Phys & Cosmol Grp, London WC2R 2LS, England, Email: jean.alexandre@kcl.ac.uk; |
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Amer Physical Soc |
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English |
Summary Language |
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Series Issue |
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Edition |
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ISSN |
2470-0010 |
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:001181678500003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5995 |
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Permanent link to this record |
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Author |
Karan, A.; Miralles, V.; Pich, A. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Updated global fit of the aligned two-Higgs-doublet model with heavy scalars |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume ![sorted by Volume (numeric) field, descending order (down)](img/sort_desc.gif) |
109 |
Issue |
3 |
Pages |
035012 - 29pp |
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Keywords |
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Abstract |
An updated global fit on the parameter-space of the aligned two-Higgs-doublet model is performed with the help of the open-source package HEPfit, assuming the Standard-Model Higgs to be the lightest scalar. No new sources of CP violation, other than the phase in the Cabibbo-Kobayashi-Maskawa matrix of the Standard Model, are considered. A similar global fit was previously performed by O. Eberhardt et al. [Global fits in the aligned two-Higgs-doublet model, J. High Energy Phys. 05 (2021) 005] with a slightly different set of parameters. Our updated fit incorporates improved analyses of the theoretical constraints required for the perturbative unitarity and boundedness of the scalar potential from below, additional flavor observables and updated data on direct searches for heavy scalars at the LHC, Higgs signal strengths, and electroweak precision observables. Although not included in the main fit, the implications of the CDF measurement of the W +/- mass are also discussed. |
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Address |
[Karan, Anirban; Pich, Antonio] UV, Inst Fis Corpuscular, CSIC, Parc Cientifc,Catedrat Jose Beltran 2, E-46980 Paterna, Spain, Email: kanirban@ific.uv.es; |
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Publisher |
Amer Physical Soc |
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English |
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ISSN |
2470-0010 |
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Notes |
WOS:001172722300010 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5998 |
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