CaltechAUTHORS
Published May 24, 2013 | Version Published
Book Section - Chapter Open

Characterization of positive clusters in the CLOUD nucleation experiments

Creators

  • 1. ROR icon Paul Scherrer Institute
  • 2. ROR icon University of Helsinki
  • 3. ROR icon Aerodyne Research

Contributors

Abstract

The mechanism of new particle formation (NPF) events is still poorly understood. The CLOUD experiment is studying at which conditions this process occurs. During the CLOUD 7 campaign (fall 2012) the evolution of the nucleation rate with different reagents (sulphuric acid, ammonia, dimethylamine and α-pinene) was tested. Here we investigate the composition of freshly formed positive ions during the nucleation process, which allows us to understand the formation mechanisms of these clusters. The time evolution of the clusters is shown demonstrating the correlation between the formation of these clusters and the nucleation process.

Additional Information

© 2013 AIP Publishing LLC. Published online 24 May 2013. We would like to thank CERN for supporting CLOUD with important technical and financial resources, and for providing a particle beam from the CERN Proton Synchrotron. This research has received funding from the EC Seventh Framework Programme (Marie Curie Initial Training Network "CLOUD-ITN" no. 215072, MCITN "CLOUD-TRAIN" no. 316662, and ERC-Advanced "ATMNUCLE'' grant no. 227463), the German Federal Ministry of Education and Research (project nos. 01LK0902A and 01LK1222A), the Swiss National Science Foundation (project nos. 200020_135307 and 206620_130527), the Academy of Finland (Center of Excellence project no. 1118615), the Academy of Finland (135054, 133872, 251427, 139656, 139995, 137749, 141217, 141451), the Finnish Funding Agency for Technology and Innovation, the Nessling Foundation, the Austrian Science Fund (FWF; project no. P19546 and L593), the Portuguese Foundation for Science and Technology (project no. CERN/FP/116387/2010), the Swedish Research Council, Vetenskapsrådet (grant 2011-5120), the Presidium of the Russian Academy of Sciences and Russian Foundation for Basic Research (grants 08-02-91006-CERN and 12-02-91522-CERN), and the U.S. National Science Foundation (grants AGS1136479 and CHE1012293).

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Additional details

Identifiers

Eprint ID
66381
Resolver ID
CaltechAUTHORS:20160421-154112219

Funding

Marie Curie Fellowship
215072
Marie Curie Fellowship
316662
European Research Council (ERC)
227463
Bundesministerium für Bildung und Forschung (BMBF)
01LK0902A
Bundesministerium für Bildung und Forschung (BMBF)
01LK1222A
Swiss National Science Foundation (SNSF)
200020_135307
Swiss National Science Foundation (SNSF)
206620_130527
Academy of Finland
1118615
Academy of Finland
135054
Academy of Finland
133872
Academy of Finland
251427
Academy of Finland
139656
Academy of Finland
139995
Academy of Finland
137749
Academy of Finland
141217
Academy of Finland
141451
Finnish Funding Agency for Technology and Innovation
Nessling Foundation
FWF Der Wissenschaftsfonds
P19546
FWF Der Wissenschaftsfonds
L593
Fundação para a Ciência e a Tecnologia (FCT)
CERN/FP/116387/2010
Swedish Research Council
Vetenskapsrådet
2011-5120
Russian Academy of Sciences
Russian Foundation for Basic Research
08-02-91006-CERN
Russian Foundation for Basic Research
12-02-91522-CERN
NSF
AGS1136479
NSF
CHE1012293

Dates

Created
2016-04-21
Created from EPrint's datestamp field
Updated
2021-11-10
Created from EPrint's last_modified field

Caltech Custom Metadata

Series Name
AIP Conference Proceedings
Series Volume or Issue Number
1527