Probing neutron-hidden neutron transitions with the MURMUR experiment

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Probing neutron-hidden neutron transitions with the MURMUR experiment. / Stasser, Coraline; Terwagne, Guy; Lamblin, Jacob; Méplan, Olivier; Pignol, Guillaume; Coupé, Bernard; Kalcheva, Silva; Van Dyck, Steven; Sarrazin, Michaël.

In: The European Physical Journal C - Particles and Fields, Vol. 81, 17, 12.01.2021, p. 1-14.

Research output: Contribution to journalArticle

Harvard

Stasser, C, Terwagne, G, Lamblin, J, Méplan, O, Pignol, G, Coupé, B, Kalcheva, S, Van Dyck, S & Sarrazin, M 2021, 'Probing neutron-hidden neutron transitions with the MURMUR experiment', The European Physical Journal C - Particles and Fields, vol. 81, 17, pp. 1-14. https://doi.org/10.1140/epjc/s10052-021-08829-y

APA

Stasser, C., Terwagne, G., Lamblin, J., Méplan, O., Pignol, G., Coupé, B., ... Sarrazin, M. (2021). Probing neutron-hidden neutron transitions with the MURMUR experiment. The European Physical Journal C - Particles and Fields, 81, 1-14. [17]. https://doi.org/10.1140/epjc/s10052-021-08829-y

Vancouver

Stasser C, Terwagne G, Lamblin J, Méplan O, Pignol G, Coupé B et al. Probing neutron-hidden neutron transitions with the MURMUR experiment. The European Physical Journal C - Particles and Fields. 2021 Jan 12;81:1-14. 17. https://doi.org/10.1140/epjc/s10052-021-08829-y

Author

Stasser, Coraline ; Terwagne, Guy ; Lamblin, Jacob ; Méplan, Olivier ; Pignol, Guillaume ; Coupé, Bernard ; Kalcheva, Silva ; Van Dyck, Steven ; Sarrazin, Michaël. / Probing neutron-hidden neutron transitions with the MURMUR experiment. In: The European Physical Journal C - Particles and Fields. 2021 ; Vol. 81. pp. 1-14.

Bibtex - Download

@article{467100ede6b843d4a5eabed1810ec16e,
title = "Probing neutron-hidden neutron transitions with the MURMUR experiment",
abstract = "MURMUR is a new passing-through-walls neutron experiment designed to constrain neutron-hidden neutron transitions allowed in the context of braneworld scenarios or mirror matter models. A nuclear reactor can act as a source of hidden neutrons, such that neutrons travel through a hidden world or sector. Hidden neutrons can propagate out of the nuclear core and far beyond the biological shielding. However, hidden neutrons can weakly interact with usual matter, making possible for their detection in the context of low-noise measurements. In the present work, the novelty rests on a better background discrimination and the use of a mass of a material – here lead – able to enhance regeneration of hidden neutrons into visible ones to improve detection. The input of this new setup is studied using both modelizations and experiments, thanks to tests currently performed with the experiment at the BR2 researchnuclear reactor (SCK·CEN, Mol, Belgium). A new limit on the neutron swapping probability p has been derived thanks to the measurements taken during the BR2 Cycle 02/2019A: p < 4.0 × 10−10 at 95{\%} CL. This constraint is better thanthe bound from the previous passing-through-wall neutron experiment made at ILL in 2015, despite BR2 is less efficient to generate hidden neutrons by a factor of 7.4, thus raising the interest of such experiment using regenerating materials.",
keywords = "MURMUR, BR2, Nuclear reactor, Hidden neutrons, Measurement",
author = "Coraline Stasser and Guy Terwagne and Jacob Lamblin and Olivier M{\'e}plan and Guillaume Pignol and Bernard Coup{\'e} and Silva Kalcheva and {Van Dyck}, Steven and Micha{\"e}l Sarrazin",
note = "Score=10",
year = "2021",
month = "1",
day = "12",
doi = "10.1140/epjc/s10052-021-08829-y",
language = "English",
volume = "81",
pages = "1--14",
journal = "The European Physical Journal C - Particles and Fields",
issn = "1434-6052",
publisher = "Springer",

}

RIS - Download

TY - JOUR

T1 - Probing neutron-hidden neutron transitions with the MURMUR experiment

AU - Stasser, Coraline

AU - Terwagne, Guy

AU - Lamblin, Jacob

AU - Méplan, Olivier

AU - Pignol, Guillaume

AU - Coupé, Bernard

AU - Kalcheva, Silva

AU - Van Dyck, Steven

AU - Sarrazin, Michaël

N1 - Score=10

PY - 2021/1/12

Y1 - 2021/1/12

N2 - MURMUR is a new passing-through-walls neutron experiment designed to constrain neutron-hidden neutron transitions allowed in the context of braneworld scenarios or mirror matter models. A nuclear reactor can act as a source of hidden neutrons, such that neutrons travel through a hidden world or sector. Hidden neutrons can propagate out of the nuclear core and far beyond the biological shielding. However, hidden neutrons can weakly interact with usual matter, making possible for their detection in the context of low-noise measurements. In the present work, the novelty rests on a better background discrimination and the use of a mass of a material – here lead – able to enhance regeneration of hidden neutrons into visible ones to improve detection. The input of this new setup is studied using both modelizations and experiments, thanks to tests currently performed with the experiment at the BR2 researchnuclear reactor (SCK·CEN, Mol, Belgium). A new limit on the neutron swapping probability p has been derived thanks to the measurements taken during the BR2 Cycle 02/2019A: p < 4.0 × 10−10 at 95% CL. This constraint is better thanthe bound from the previous passing-through-wall neutron experiment made at ILL in 2015, despite BR2 is less efficient to generate hidden neutrons by a factor of 7.4, thus raising the interest of such experiment using regenerating materials.

AB - MURMUR is a new passing-through-walls neutron experiment designed to constrain neutron-hidden neutron transitions allowed in the context of braneworld scenarios or mirror matter models. A nuclear reactor can act as a source of hidden neutrons, such that neutrons travel through a hidden world or sector. Hidden neutrons can propagate out of the nuclear core and far beyond the biological shielding. However, hidden neutrons can weakly interact with usual matter, making possible for their detection in the context of low-noise measurements. In the present work, the novelty rests on a better background discrimination and the use of a mass of a material – here lead – able to enhance regeneration of hidden neutrons into visible ones to improve detection. The input of this new setup is studied using both modelizations and experiments, thanks to tests currently performed with the experiment at the BR2 researchnuclear reactor (SCK·CEN, Mol, Belgium). A new limit on the neutron swapping probability p has been derived thanks to the measurements taken during the BR2 Cycle 02/2019A: p < 4.0 × 10−10 at 95% CL. This constraint is better thanthe bound from the previous passing-through-wall neutron experiment made at ILL in 2015, despite BR2 is less efficient to generate hidden neutrons by a factor of 7.4, thus raising the interest of such experiment using regenerating materials.

KW - MURMUR

KW - BR2

KW - Nuclear reactor

KW - Hidden neutrons

KW - Measurement

UR - https://ecm.sckcen.be/OTCS/llisapi.dll/overview/42957945

U2 - 10.1140/epjc/s10052-021-08829-y

DO - 10.1140/epjc/s10052-021-08829-y

M3 - Article

VL - 81

SP - 1

EP - 14

JO - The European Physical Journal C - Particles and Fields

JF - The European Physical Journal C - Particles and Fields

SN - 1434-6052

M1 - 17

ER -

ID: 7083276