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Cited by 458

The DOI matches its Crossref record; 86 of the 86 references it cites were found in a registry or an index.

Big-bang nucleosynthesis and gravitinos

Open access
Kawasaki, Masahiro, Kohri, Kazunori, Moroi, Takeo, Yotsuyanagi, Akira·2008·Physical Review D
DOI 10.1103/physrevd.78.065011
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Abstract

We derive big-bang nucleosynthesis (BBN) constraints on both unstable and stable gravitino taking account of recent progress in theoretical study of the BBN processes as well as observations of primordial light-element abundances. In the case of unstable gravitino, we set the upper limit on the reheating temperature assuming that the primordial gravitinos are mainly produced by the scattering processes of thermal particles. For stable gravitino, we consider $B$-ino, stau, and sneutrino as the next-to-the-lightest supersymmetric particle and obtain constraints on their properties. Compared with the previous works, we improved the following points: (i) we use the most recent observational data, (ii) for gravitino production, we include contribution of the longitudinal component, and (iii) for the case with unstable long-lived stau, we estimate the bound-state effect of stau accurately by solving the Boltzmann equation.

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Metadata

Authors
Kawasaki, M., Kohri, K., Moroi, T., & Yotsuyanagi, A.
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
2008-09-09
Volume
78
Issue
6
ISSN
  • 0556-2821 (ISSN-L)
  • 1550-7998
  • 1550-2368
DOI
10.1103/physrevd.78.065011
OpenAlex
W2135638431
Cited by
458
References
86
FWCI
22.20
Type
journal article
Language
en
Open access
green

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