Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO
Abstract Adopting the Standard Halo Model (SHM) of an isotropic Maxwellian velocity distribution for dark matter (DM) particles in the Galaxy, the most stringent current constraints on their spin-dependent scattering cross-section with nucleons come from the IceCube neutrino observato...
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
|---|---|
| Other Authors: | |
| Format: | Article |
| Language: | English |
| Published: |
Springer Berlin Heidelberg
2021
|
| Online Access: | https://hdl.handle.net/1721.1/131825 |
| _version_ | 1811074393534627840 |
|---|---|
| author | Aartsen, M. G Ackermann, M. Adams, J. Aguilar, J. A Ahlers, M. Ahrens, M. Alispach, C. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Argüelles, C. Auffenberg, J. Axani, S. Backes, P. Bagherpour, H. Bai, X. Balagopal V., A. Barbano, A. Barwick, S. W |
| author2 | Massachusetts Institute of Technology. Department of Physics |
| author_facet | Massachusetts Institute of Technology. Department of Physics Aartsen, M. G Ackermann, M. Adams, J. Aguilar, J. A Ahlers, M. Ahrens, M. Alispach, C. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Argüelles, C. Auffenberg, J. Axani, S. Backes, P. Bagherpour, H. Bai, X. Balagopal V., A. Barbano, A. Barwick, S. W |
| author_sort | Aartsen, M. G |
| collection | MIT |
| description | Abstract
Adopting the Standard Halo Model (SHM) of an isotropic Maxwellian velocity distribution for dark matter (DM) particles in the Galaxy, the most stringent current constraints on their spin-dependent scattering cross-section with nucleons come from the IceCube neutrino observatory and the PICO-60
$$\hbox {C}_3\hbox {F}_8$$
C
3
F
8
superheated bubble chamber experiments. The former is sensitive to high energy neutrinos from the self-annihilation of DM particles captured in the Sun, while the latter looks for nuclear recoil events from DM scattering off nucleons. Although slower DM particles are more likely to be captured by the Sun, the faster ones are more likely to be detected by PICO. Recent N-body simulations suggest significant deviations from the SHM for the smooth halo component of the DM, while observations hint at a dominant fraction of the local DM being in substructures. We use the method of Ferrer et al. (JCAP 1509: 052, 2015) to exploit the complementarity between the two approaches and derive conservative constraints on DM-nucleon scattering. Our results constrain
$$\sigma _{\mathrm{SD}} \lesssim 3 \times 10^{-39} \mathrm {cm}^2$$
σ
SD
≲
3
×
10
-
39
cm
2
(
$$6 \times 10^{-38} \mathrm {cm}^2$$
6
×
10
-
38
cm
2
) at
$$\gtrsim 90\%$$
≳
90
%
C.L. for a DM particle of mass 1 TeV annihilating into
$$\tau ^+ \tau ^-$$
τ
+
τ
-
(
$$b\bar{b}$$
b
b
¯
) with a local density of
$$\rho _{\mathrm{DM}} = 0.3~\mathrm {GeV/cm}^3$$
ρ
DM
=
0.3
GeV
/
cm
3
. The constraints scale inversely with
$$\rho _{\mathrm{DM}}$$
ρ
DM
and are independent of the DM velocity distribution. |
| first_indexed | 2024-09-23T09:48:45Z |
| format | Article |
| id | mit-1721.1/131825 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T09:48:45Z |
| publishDate | 2021 |
| publisher | Springer Berlin Heidelberg |
| record_format | dspace |
| spelling | mit-1721.1/1318252023-09-07T20:30:25Z Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO Aartsen, M. G Ackermann, M. Adams, J. Aguilar, J. A Ahlers, M. Ahrens, M. Alispach, C. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Argüelles, C. Auffenberg, J. Axani, S. Backes, P. Bagherpour, H. Bai, X. Balagopal V., A. Barbano, A. Barwick, S. W Massachusetts Institute of Technology. Department of Physics Abstract Adopting the Standard Halo Model (SHM) of an isotropic Maxwellian velocity distribution for dark matter (DM) particles in the Galaxy, the most stringent current constraints on their spin-dependent scattering cross-section with nucleons come from the IceCube neutrino observatory and the PICO-60 $$\hbox {C}_3\hbox {F}_8$$ C 3 F 8 superheated bubble chamber experiments. The former is sensitive to high energy neutrinos from the self-annihilation of DM particles captured in the Sun, while the latter looks for nuclear recoil events from DM scattering off nucleons. Although slower DM particles are more likely to be captured by the Sun, the faster ones are more likely to be detected by PICO. Recent N-body simulations suggest significant deviations from the SHM for the smooth halo component of the DM, while observations hint at a dominant fraction of the local DM being in substructures. We use the method of Ferrer et al. (JCAP 1509: 052, 2015) to exploit the complementarity between the two approaches and derive conservative constraints on DM-nucleon scattering. Our results constrain $$\sigma _{\mathrm{SD}} \lesssim 3 \times 10^{-39} \mathrm {cm}^2$$ σ SD ≲ 3 × 10 - 39 cm 2 ( $$6 \times 10^{-38} \mathrm {cm}^2$$ 6 × 10 - 38 cm 2 ) at $$\gtrsim 90\%$$ ≳ 90 % C.L. for a DM particle of mass 1 TeV annihilating into $$\tau ^+ \tau ^-$$ τ + τ - ( $$b\bar{b}$$ b b ¯ ) with a local density of $$\rho _{\mathrm{DM}} = 0.3~\mathrm {GeV/cm}^3$$ ρ DM = 0.3 GeV / cm 3 . The constraints scale inversely with $$\rho _{\mathrm{DM}}$$ ρ DM and are independent of the DM velocity distribution. 2021-09-20T17:30:27Z 2021-09-20T17:30:27Z 2020-09-04 2020-12-20T04:50:01Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/131825 The European Physical Journal C. 2020 Sep 04;80(9):819 PUBLISHER_CC en https://doi.org/10.1140/epjc/s10052-020-8069-5 Creative Commons Attribution https://creativecommons.org/licenses/by/4.0/ The Author(s) application/pdf Springer Berlin Heidelberg Springer Berlin Heidelberg |
| spellingShingle | Aartsen, M. G Ackermann, M. Adams, J. Aguilar, J. A Ahlers, M. Ahrens, M. Alispach, C. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Argüelles, C. Auffenberg, J. Axani, S. Backes, P. Bagherpour, H. Bai, X. Balagopal V., A. Barbano, A. Barwick, S. W Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO |
| title | Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO |
| title_full | Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO |
| title_fullStr | Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO |
| title_full_unstemmed | Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO |
| title_short | Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO |
| title_sort | velocity independent constraints on spin dependent dm nucleon interactions from icecube and pico |
| url | https://hdl.handle.net/1721.1/131825 |
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