Light dark matter searches with positrons

被引：12

作者：

Battaglieri, M. ^{[1
,2
]}

Bianconi, A. ^{[3
,4
]}

Bisio, P. ^{[1
,5
]}

Bondi, M. ^{[1
]}

Celentano, A. ^{[1
]}

Costantini, G. ^{[3
,4
]}

Cole, P. L. ^{[6
]}

Darme, L. ^{[7
]}

De Vita, R. ^{[1
]}

D'Angelo, A. ^{[8
,9
]}

De Napoli, M. ^{[10
]}

El Fassi, L. ^{[11
]}

Kozhuharov, V ^{[7
,12
]}

Italiano, A. ^{[10
]}

Krnjaic, G. ^{[13
,14
]}

Lanza, L. ^{[8
]}

Leali, M. ^{[3
,4
]}

Marsicano, L. ^{[1
]}

Mascagna, V ^{[4
,15
]}

Migliorati, S. ^{[3
,4
]}

Nardi, E. ^{[7
]}

Raggi, M. ^{[16
,17
]}

Randazzo, N. ^{[10
]}

Santopinto, E. ^{[1
]}

Smith, E. ^{[2
]}

Spreafico, M. ^{[1
,5
]}

Stepanyan, S. ^{[2
]}

Ungaro, M. ^{[2
]}

Valente, P. ^{[17
]}

Venturelli, L. ^{[3
,4
]}

Wood, M. H. ^{[18
]}

机构：

[1] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[2] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA

[3] Univ Brescia, I-25123 Brescia, Italy

[4] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy

[5] Univ Genoa, I-16146 Genoa, Italy

[6] Lamar Univ, 4400 MLK Blvd,POB 10046, Beaumont, TX 77710 USA

[7] Ist Nazl Fis Nucl, Lab Nazl Frascati, Via E Fermi 54, Frascati, Italy

[8] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

[9] Univ Roma Tor Vergata, I-00133 Rome, Italy

[10] Ist Nazl Fis Nucl, Sez Catania, I-95125 Catania, Italy

[11] Mississippi State Univ, Mississippi State, MS 39762 USA

[12] Univ Sofia, Fac Phys, 5 J Bourchier Blvd, Sofia 1164, Bulgaria

[13] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA

[14] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[15] Univ Insubria, I-22100 Como, Italy

[16] Sapienza Univ Roma, Piazzale Aldo Moro 5, Rome, Italy

[17] Ist Nazl Fis Nucl, Sez Roma, Piazzale Aldo Moro 5, Rome, Italy

[18] Canisius Coll, Buffalo, NY 14208 USA

来源：

EUROPEAN PHYSICAL JOURNAL A | 2021年 / 57卷 / 08期

关键词：

PERFORMANCE; RADIATION;

D O I：

10.1140/epja/s10050-021-00524-6

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We discuss two complementary strategies to search for light dark matter (LDM) exploiting the positron beam possibly available in the future at Jefferson Laboratory. LDM is a new compelling hypothesis that identifies dark matter with new sub-GeV "hidden sector" states, neutral under standard model interactions and interacting with our world through a new force. Accelerator-based searches at the intensity frontier are uniquely suited to explore it. Thanks to the high intensity and the high energy of the Continuous Electron Beam Accelerator Facility (CEBAF) beam, and relying on a novel LDM production mechanism via positron annihilation on target atomic electrons, the proposed strategies will allow us to explore new regions in the LDM parameters space, thoroughly probing the LDM hypothesis as well as more general hidden sector scenarios.

引用

页数：11

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