Big-bang nucleosynthesis with a long-lived charged massive particle including 4He spallation processes

被引：17

作者：

Jittoh, Toshifumi ^{[1
]}

Kohri, Kazunori ^{[2
,3
]}

Koike, Masafumi ^{[1
]}

Sato, Joe ^{[1
]}

Sugai, Kenichi ^{[1
]}

Yamanaka, Masato ^{[2
,4
]}

Yazaki, Koichi ^{[5
,6
]}

机构：

[1] Saitama Univ, Dept Phys, Sakura Ku, Saitama 3388570, Japan

[2] High Energy Accelerator Org, KEK, Inst Particle & Nucl Studies, Ctr Theory, Tsukuba, Ibaraki 3050801, Japan

[3] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

[4] Kyoto Sangyo Univ, Maskawa Inst Sci & Culture, Kyoto 6038555, Japan

[5] RIKEN, Nishina Accelerator Res Ctr, Hashimoto Math Phys Lab, Wako, Saitama 3510198, Japan

[6] Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan

来源：

PHYSICAL REVIEW D | 2011年 / 84卷 / 03期

关键词：

WMAP OBSERVATIONS; LITHIUM; ABUNDANCE; SCATTERING; STARS;

D O I：

10.1103/PhysRevD.84.035008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We propose helium-4 spallation processes induced by long-lived stau in supersymmetric standard models, and investigate an impact of the processes on light elements abundances. We show that, as long as the phase space of helium-4 spallation processes is open, they are more important than stau-catalyzed fusion and hence constrain the stau property.

引用

页数：11

共 38 条

[1] Big-bang nucleosynthesis with a long-lived charged massive particle including 4He spallation processes in a bound state
Jittoh, Toshifumi
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Koike, Masafumi
Sato, Joe
Sugai, Kenichi
Yamanaka, Masato
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[2] Big-bang nucleosynthesis with a long-lived CHAMP including He4 spallation process
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[8] New Effects of a Long-lived Negatively Charged Massive Particle on Big Bang Nucleosynthesis
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[9] New results on catalyzed big bang nucleosynthesis with a long-lived negatively charged massive particle
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[10] Bounds on long-lived charged massive particles from Big Bang nucleosynthesis
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