Bianchi, Federico and Tröstl, Jasmin and Schobesberger, Siegfried and Junninen, Heikki and Dommen, Josef and Worsnop, Douglas R. and Baltensperger, Urs (2013) Characterization of positive clusters in the CLOUD nucleation experiments. In: Nucleation and Atmospheric Aerosols. AIP Conference Proceedings. No.1527. American Institute of Physics , Melville, NY, pp. 346-349. ISBN 978-0-7354-1152-4. http://resolver.caltech.edu/CaltechAUTHORS:20160421-154112219
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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.
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| 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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| Subject Keywords: | clusters, ions, nucleation, mass spectrometry, CLOUD | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Classification Code: | PACS: 36.40.Wa, 36.40.-c, 34.50.Gb, 82.80.Rt, 82.60.Nh, 82.70.Rr, 92.60.Mt | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20160421-154112219 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20160421-154112219 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Official Citation: | Characterization of positive clusters in the CLOUD nucleation experiments Bianchi, Federico and Tröstl, Jasmin and Schobesberger, Siegfried and Junninen, Heikki and Dommen, Josef and Worsnop, Douglas R. and Baltensperger, Urs and CLOUD Collaboration, AIP Conference Proceedings, 1527, 346-349 (2013), DOI:http://dx.doi.org/10.1063/1.4803274 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ID Code: | 66381 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deposited On: | 21 Apr 2016 23:57 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Last Modified: | 20 Nov 2017 19:48 |
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