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AMON Team, ANTARES and HAWC Collaborations (Ayala Solares, H.A. et al); Alves Garres, S.; Calvo, D.; Carretero, V.; Gozzini, R.; Hernandez-Rey, J.J.; Manczak, J.; Pieterse, C.; Real, D.; Sanchez-Losa, A.; Zornoza, J. D.; Zuniga, J.; Salesa Greus, F. |
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Title |
Search for Gamma-Ray and Neutrino Coincidences Using HAWC and ANTARES Data |
Type |
Journal Article |
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Year |
2023 |
Publication |
Astrophysical Journal |
Abbreviated Journal |
Astrophys. J. |
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Volume |
944 |
Issue |
2 |
Pages |
166 - 9pp |
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Abstract |
In the quest for high-energy neutrino sources, the Astrophysical Multimessenger Observatory Network has implemented a new search by combining data from the High Altitude Water Cherenkov (HAWC) Observatory and the Astronomy with a Neutrino Telescope and Abyss environmental RESearch (ANTARES) neutrino telescope. Using the same analysis strategy as in a previous detector combination of HAWC and IceCube data, we perform a search for coincidences in HAWC and ANTARES events that are below the threshold for sending public alerts in each individual detector. Data were collected between 2015 July and 2020 February with a live time of 4.39 yr. Over this time period, three coincident events with an estimated false-alarm rate of <1 coincidence per year were found. This number is consistent with background expectations. |
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Address |
[Solares, H. A. Ayala; Coutu, S.; Cowen, D.; Fox, D. B.; Gregoire, T.; Mostafa, M.; Murase, K.; Wissel, S.; Alonso, M. Fernandez; Whitaker, K.] Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA, Email: hgayala@psu.edu |
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IOP Publishing Ltd |
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English |
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0004-637x |
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Notes |
WOS:000989686100001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5566 |
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Author |
ANTARES Collaboration (Albert, A. et al); Alves, S.; Calvo, D.; Carretero, V.; Gozzini, R.; Hernandez-Rey, J.J.; Lazo, A.; Manczak, J.; Real, D.; Sanchez-Losa, A.; Saina, A.; Salesa Greus, F.; Zornoza, J.D.; Zuñiga, J. |
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Title |
Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope |
Type |
Journal Article |
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Year |
2024 |
Publication |
Astrophysical Journal |
Abbreviated Journal |
Astrophys. J. |
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Volume |
964 |
Issue |
1 |
Pages |
3 - 13pp |
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Keywords |
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Abstract |
Active galaxies, especially blazars, are among the most promising extragalactic candidates for high-energy neutrino sources. To date, ANTARES searches included these objects and used GeV-TeV gamma-ray flux to select blazars. Here, a statistically complete blazar sample selected by their bright radio emission is used as the target for searches of origins of neutrinos collected by the ANTARES neutrino telescope over 13 yr of operation. The hypothesis of a neutrino-blazar directional correlation is tested by pair counting and a complementary likelihood-based approach. The resulting posttrial p-value is 3.0% (2.2 sigma in the two-sided convention). Additionally, a time-dependent analysis is performed to search for temporal clustering of neutrino candidates as a means of detecting neutrino flares in blazars. None of the investigated sources alone reaches a significant flare detection level. However, the presence of 18 sources with a pretrial significance above 3 sigma indicates a p = 1.4% (2.5 sigma in the two-sided convention) detection of a time-variable neutrino flux. An a posteriori investigation reveals an intriguing temporal coincidence of neutrino, radio, and gamma-ray flares of the J0242+1101 blazar at a p = 0.5% (2.9 sigma in the two-sided convention) level. Altogether, the results presented here suggest a possible connection of neutrino candidates detected by the ANTARES telescope with radio-bright blazars. |
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Address |
[Albert, A.; Drouhin, D.; Pradier, T.] Univ Strasbourg, CNRS, UMR 7178, IPHC, F-67000 Strasbourg, France, Email: julien.aublin@apc.in2p3.fr; |
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IOP Publishing Ltd |
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0004-637x |
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Notes |
WOS:001183251300001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5996 |
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Author |
HAWC Collaboration (Alfaro, R. et al); Salesa Greus, F. |
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Title |
Galactic Gamma-Ray Diffuse Emission at TeV Energies with HAWC Data |
Type |
Journal Article |
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Year |
2024 |
Publication |
Astrophysical Journal |
Abbreviated Journal |
Astrophys. J. |
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Volume |
961 |
Issue |
1 |
Pages |
104 - 14pp |
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Abstract |
Galactic gamma-ray diffuse emission (GDE) is emitted by cosmic rays (CRs), ultra-relativistic protons, and electrons, interacting with gas and electromagnetic radiation fields in the interstellar medium. Here we present the analysis of teraelectronvolt diffuse emission from a region of the Galactic plane over the range in longitude of l is an element of[43 degrees, 73 degrees], using data collected with the High Altitude Water Cherenkov (HAWC) detector. Spectral, longitudinal, and latitudinal distributions of the teraelectronvolt diffuse emission are shown. The radiation spectrum is compatible with the spectrum of the emission arising from a CR population with an index similar to that of the observed CRs. When comparing with the DRAGON base model, the HAWC GDE flux is higher by about a factor of 2. Unresolved sources such as pulsar wind nebulae and teraelectronvolt halos could explain the excess emission. Finally, deviations of the Galactic CR flux from the locally measured CR flux may additionally explain the difference between the predicted and measured diffuse fluxes. |
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Address |
[Alfaro, R.; Rojas, D. Avila; Belmont-Moreno, E.; Espinoza, C.; Hernandez, S.; Leon Vargas, H.; Sandoval, A.; Serna-Franco, J.] Univ Nacl Autonoma Mexico, Inst Fis, Ciudad De Mexico, Mexico, Email: amid.nayerhoda@ifj.edu.pl |
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IOP Publishing Ltd |
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English |
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0004-637x |
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Notes |
WOS:001188034600001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6022 |
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Author |
Allanach, B.C.; Martin, S.P.; Robertson, D.G.; Ruiz de Austri, R. |
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Title |
The inclusion of two-loop SUSYQCD corrections to gluino and squark pole masses in the minimal and next-to-minimal supersymmetric standard model: SOFTSUSY3.7 |
Type |
Journal Article |
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Year |
2017 |
Publication |
Computer Physics Communications |
Abbreviated Journal |
Comput. Phys. Commun. |
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Volume |
219 |
Issue |
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Pages |
339-345 |
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Keywords |
Gluino; Squark; MSSM; NMSSM |
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Abstract |
We describe an extension of the SOFTSUSY spectrum calculator to include two-loop supersymmetric QCD (SUSYQCD) corrections of order O(alpha(2)(s)) to gluino and squark pole masses, either in the minimal supersymmetric standard model (MSSM) or the next-to-minimal supersymmetric standard model (NMSSM). This document provides an overview of the program and acts as a manual for the new version of SOFTSUSY, which includes the increase in accuracy in squark and gluino pole mass predictions. Program summary Program title: SOFTSUSY Program Files doi: http://dx.doLorg/10.17632/sh77x9j7hs.1 Licensing provisions: GNU GPLv3 Programming language: C++, fortran, C Nature of problem: Calculating supersymmetric particle spectrum, mixing parameters and couplings in the MSSM or the NMSSM. The solution to the renormalization group equations must be consistent with theoretical boundary conditions on supersymmetry breaking parameters, as well as a weak-scale boundary condition on gauge couplings, Yukawa couplings and the Higgs potential parameters. Solution method: Nested fixed point iteration. Restrictions: SOFTSUSY will provide a solution only in the perturbative regime and it assumes that all couplings of the model are real (i.e. CP-conserving). If the parameter point under investigation is nonphysical for some reason (for example because the electroWeak potential does not have an acceptable minimum), SOFTSUSY returns an error message. The higher order corrections included are for the MSSM (R-parity conserving or violating) or the real R-parity conserving NMSSM only. Journal reference of previous version: Comput. Phys. Comm. 189 (2015) 192. Does the new version supersede the previous version?: Yes. Reasons for the new version: It is desirable to improve the accuracy of the squark and gluinos mass predictions, since they strongly affect supersymmetric particle production cross-sections at colliders. Summary of revisions: The calculation of the squark and gluino pole masses is extended to be of next-to next-to leading order in SUSYQCD, i.e. including terms up to O(g(s)(4)/(16 pi(2))(2)). Additional comments: Program obtainable from http://softsusy.hepforge.org/ |
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Address |
[Allanach, B. C.] Univ Cambridge, DAMTP, CMS, Wilberforce Rd, Cambridge CB3 0WA, England, Email: rruiz@ific.uv.es |
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Elsevier Science Bv |
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English |
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0010-4655 |
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Notes |
WOS:000407984100030 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3258 |
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Author |
Aebischer, J.; Brivio, I.; Celis, A.; Evans, J.A.; Jiang, Y.; Kumar, J.; Pan, X.Y.; Porod, W.; Rosiek, J.; Shih, D.; Staub, F.; Straub, D.M.; van Dyk, D.; Vicente, A. |
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Title |
WCxf : An exchange format for Wilson coefficients beyond the Standard Model |
Type |
Journal Article |
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Year |
2018 |
Publication |
Computer Physics Communications |
Abbreviated Journal |
Comput. Phys. Commun. |
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Volume |
232 |
Issue |
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Pages |
71-83 |
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Keywords |
High energy physics and computing; Models beyond the standard model |
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Abstract |
We define a data exchange format for numerical values of Wilson coefficients of local operators parameterising low-energy effects of physics beyond the Standard Model. The format facilitates interfacing model-specific Wilson coefficient calculators, renormalisation group (RG) runners, and observable calculators. It is designed to be unambiguous (defining a non-redundant set of operators with fixed normalisation in each basis), extensible (allowing the addition of new EFTs or bases by the user), and robust (being based on industry standard file formats with parsers implemented in many programming languages). We have implemented the format for the Standard Model EFT (SMEFT) and for the weak effective theory (WET) below the electroweak scale and have added interfaces to a number of public codes dealing with SMEFT or WET. We also provide command-line utilities and a Python module for convenient manipulation of WCxf files, including translation between different bases and matching from SMEFT to WET. (C) 2018 Elsevier B.V. All rights reserved. |
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Address |
[Aebischer, Jason; Pan, Xuanyou; Straub, David M.] TUM, Excellence Cluster Universe, Boltzmannstr 2, D-85748 Garching, Germany, Email: david.straub@tum.de |
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Publisher |
Elsevier Science Bv |
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English |
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ISSN |
0010-4655 |
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Notes |
WOS:000442190200006 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3695 |
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