Quick Search:

uzh logo
Browse by:
bullet
bullet
bullet
bullet

Zurich Open Repository and Archive

Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-54413

Freitas, A; Steffen, F D; Tajuddin, N; Wyler, D (2011). Axinos in cosmology and at colliders. Journal of High Energy Physics, (6):36.

[img]
Preview
Accepted Version
PDF
1MB

View at publisher
[img]
Preview
Published Version
PDF
2MB

Abstract

The axino, the fermionic superpartner of the axion, is a well-motivated candidate for cold dark matter if it is the lightest supersymmetric particle. Since the axino couples very weakly to the matter multiplets, the next-to-lightest supersymmetric particle (NLSP) has a long lifetime, which has important consequences for both cosmology and collider phenomenology. Assuming that a charged slepton is the NLSP, we calculate the complete leading one- and two-loop contributions to its decay. We analyze in detail constraints on the parameter space from cosmology and discuss how this scenario can be probed at colliders. Scenarios in which both the axino and the gravitino are lighter than the long-lived charged slepton are also explored with particular emphasis on cosmological constraints and collider phenomenology.

Citations

8 citations in Web of Science®
7 citations in Scopus®
Google Scholar™

Altmetrics

Downloads

38 downloads since deposited on 18 Feb 2012
10 downloads since 12 months

Detailed statistics

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
DDC:530 Physics
Language:English
Date:June 2011
Deposited On:18 Feb 2012 14:59
Last Modified:17 Jun 2014 00:50
Publisher:Springer
ISSN:1126-6708 (P) 1029-8479 (E)
Additional Information:The original publication is available at www.springerlink.com
Publisher DOI:10.1007/JHEP06(2011)036
Related URLs:http://arxiv.org/abs/1105.1113

Users (please log in): suggest update or correction for this item

Repository Staff Only: item control page