On the two-proton emission for Fe45 - a new type of radioactivity

In an experiment at the SISSI-LISE3 facility of GANIL, the decay of the proton drip-line nucleus Fe45 has been studied after projectile fragmentation of a Ni58 primary beam at 75 MeV/nucleon impinging on a natural nickel target. Fragment-implantation events have been correlated with radioactive decay events in a 16x16 pixel silicon strip detector on an event-by-event basis. The decay-energy spectrum of Fe45 implants shows a distinct peak at (1.06+/-0.04)MeV with a half-life of T1/2 = (4.7+3.4-1.4)ms. None of the events in this peak is in coincidence with beta particles which were searched for in a detector next to the implantation detector. For a longer correlation interval, daughter decays of the two-proton daughter Cr43 can be observed after Fe45 implantation. The decay energy for Fe45 agrees nicely with several theoretical predictions for two-proton emission. Barrier-penetration calculations slightly favour a di-proton emission picture over an emission of two individual protons and point thus to a He2 emission mode.Comment: 4 pages, 5 figures, sumitted to PR

Observation of 48^{48}Ni and decay of very exotic nuclei in this mass region

International audienc

Two-proton decay of 45^{45}Fe: a new type of radioactivity

International audienc

Lactation and the Working Woman: Understanding the Role of Organizational Factors, Lactation Support, and Legal Policy in Promoting Breastfeeding Success

This chapter explores the organizational factors shown to impact a woman’s ability to successfully combine breastfeeding and work. As such, we explore the role of support for breastfeeding at work, flexible work arrangements, organizational policies, and other work characteristics on women’s work attitudes and well-being, as well as on, breastfeeding initiation and/or duration. The chapter discusses interventions to overcome organizational barriers, with a focus on employer education efforts and workplace lactation programs, both of which promote breastfeeding continuation upon return to work while resulting in numerous corporate benefits. Last, we conclude with a timely overview and interpretation of the complex legal landscape surrounding this critical topic in the United States, including a discussion of recent changes in legislation intended to afford the lactating working mother additional protection in the American workplace.https://ecollections.law.fiu.edu/faculty_books/1180/thumbnail.jp