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Time dependent signatures of core-collapse supernova neutrinos at HALO
dc.contributor.author | Ekinci, B. | |
dc.contributor.author | Pehlivan, Y. | |
dc.contributor.author | Patwardhan, Amol, V | |
dc.date.accessioned | 2025-01-09T20:12:16Z | |
dc.date.available | 2025-01-09T20:12:16Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 2470-0010 | |
dc.identifier.issn | 2470-0029 | |
dc.identifier.uri | https://doi.org/10.1103/PhysRevD.103.043016 | |
dc.identifier.uri | https://hdl.handle.net/20.500.14124/8524 | |
dc.description.abstract | We calculate the response of a lead-based detector, such as the Helium and Lead Observatory (HALO) or its planned upgrade HALO-1kt to a Galactic core-collapse supernova. We pay particular attention to the time dependence of the reaction rates. All reaction rates decrease as the neutrino luminosity exponentially drops during the cooling period, but the ratio of one-neutron (1n) to two-neutron (2n) event rates in HALO is independent of this overall decrease. Nevertheless, we find that this ratio still changes with time due to the changing character of neutrino flavor transformations with the evolving conditions in the supernova. In the case of inverted hierarchy, this is caused by the fact that the spectral splits become less and less sharp with the decreasing luminosity. In the case of normal hierarchy, it is caused by the passage of the shock wave through the Mikheyev-Smirnov-Wolfenstein resonance region. However, in both cases, we find that the change in the ratio of 1n to 2n event rates is limited to a few percent. | en_US |
dc.description.sponsorship | APS Gordon and Betty Moore Foundation for its Visitor Award [GBMF6210]; Scientific and Technological Research Council of Turkey (TUBITAK) [2214A]; TUBITAK [117F327]; NSF [PHY-1630782]; HeisingSimons Foundation [2017-228]; U.S. Department of Energy [DEAC02-76SF00515] | en_US |
dc.description.sponsorship | Y. P. thanks the APS Gordon and Betty Moore Foundation for its Visitor Award, which provided funding for a visit to University of Wisconsin-Madison (Grant No. GBMF6210). B. E. acknowledges the 2214A travel fellowship from the Scientific and Technological Research Council of Turkey (TUBITAK). Y. P. and B. E. thanks the University of Wisconsin-Madison for its hospitality. This work was supported in part by TUBITAK under Project No. 117F327. The work of A. V. P. was supported in part by the NSF (Grant No. PHY-1630782) and the HeisingSimons Foundation (Grant No. 2017-228) and in part by the U.S. Department of Energy under Contract No. DEAC02-76SF00515. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Amer Physical Soc | en_US |
dc.relation.ispartof | Physical Review D | en_US |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.title | Time dependent signatures of core-collapse supernova neutrinos at HALO | en_US |
dc.type | article | en_US |
dc.authorid | Patwardhan, Amol/0000-0002-2281-799X | |
dc.authorid | Pehlivan Deliduman, Yamac/0000-0003-4475-8203 | |
dc.department | Mimar Sinan Güzel Sanatlar Üniversitesi | en_US |
dc.identifier.doi | 10.1103/PhysRevD.103.043016 | |
dc.identifier.volume | 103 | en_US |
dc.identifier.issue | 4 | en_US |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.identifier.wosquality | Q1 | |
dc.identifier.wos | WOS:000621333400002 | |
dc.indekslendigikaynak | Web of Science | en_US |
dc.snmz | KA_20250105 |
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