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Search for Long-Lived States of $\pi^+\pi^-$ Atoms : Addendum to the DIRAC Proposal
The proposed experiment is a further development of the DIRAC experiment already running at CERN PS. The observation of long-lived (metastable) states of $\pi^+\pi^-$ atoms ($A_{2\pi}$) will be performed with the same setup. This observation opens a possibility to measure the energy difference betw...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Publicado: |
2012
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| Materias: | |
| Acceso en línea: | http://cds.cern.ch/record/1410681 |
| _version_ | 1780923842306244608 |
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| author | Adeva, B Afanasyev, L Anania, A Aogaki, S Augsten, K Batyuk, P Benelli, A Brekhovskikh, V Cechak, T Chiba, M Ciortea, C Curceanu, C Doskarova, P Dudarev, A Dumitriu, D Drijard, D Fluerasu, D Gortchakov, O Gritsay, K Guaraldo, C Gugiu, M Hansroul, M Hosek, R Hons, Z Iwashita, Y Karpukhin, V Kluson, J Kobayashi, M Kruglov, V Kruglova, L Kulikov, A Kulish, E Kuptsov, A Lamberto, A Lednicky, R Martincik, J Nemenov, L Nikitin, M Okada, K Pentia, M Plo, M Prusa, P Rappazzo, G Ryazantsev, A Romero, A Ronzhin, V Rykalin, V Saborido, J Schacher, J Shlyapnikov, P Smolik, J Takeutchi, F Trojek, T Urban, T Vrba, T Vazquez, P Yazkov, V Yoshimura, Y Zhabitsky, M Zrelov, P |
| author_facet | Adeva, B Afanasyev, L Anania, A Aogaki, S Augsten, K Batyuk, P Benelli, A Brekhovskikh, V Cechak, T Chiba, M Ciortea, C Curceanu, C Doskarova, P Dudarev, A Dumitriu, D Drijard, D Fluerasu, D Gortchakov, O Gritsay, K Guaraldo, C Gugiu, M Hansroul, M Hosek, R Hons, Z Iwashita, Y Karpukhin, V Kluson, J Kobayashi, M Kruglov, V Kruglova, L Kulikov, A Kulish, E Kuptsov, A Lamberto, A Lednicky, R Martincik, J Nemenov, L Nikitin, M Okada, K Pentia, M Plo, M Prusa, P Rappazzo, G Ryazantsev, A Romero, A Ronzhin, V Rykalin, V Saborido, J Schacher, J Shlyapnikov, P Smolik, J Takeutchi, F Trojek, T Urban, T Vrba, T Vazquez, P Yazkov, V Yoshimura, Y Zhabitsky, M Zrelov, P |
| author_sort | Adeva, B |
| collection | CERN |
| description | The proposed experiment is a further development of the DIRAC experiment already running at CERN PS. The observation of long-lived (metastable) states of $\pi^+\pi^-$ atoms ($A_{2\pi}$) will be performed with the same setup. This observation opens a possibility to measure the energy difference between $ns$ and $np$ states and to determine the value of the combination $2a_0+a_2$ of S-wave $\pi\pi$ scattering lengths in a model-independent way. In combination with the $A_{2\pi}$ lifetime measurement providing the value $|a_0-a_2|$ DIRAC is in the position to get $a_0$ and $a_2$ separately on the basis of $A_{2\pi}$ data only. |
| id | cern-1410681 |
| institution | Organización Europea para la Investigación Nuclear |
| publishDate | 2012 |
| record_format | invenio |
| spelling | cern-14106812019-09-30T06:29:59Zhttp://cds.cern.ch/record/1410681Adeva, BAfanasyev, LAnania, AAogaki, SAugsten, KBatyuk, PBenelli, ABrekhovskikh, VCechak, TChiba, MCiortea, CCurceanu, CDoskarova, PDudarev, ADumitriu, DDrijard, DFluerasu, DGortchakov, OGritsay, KGuaraldo, CGugiu, MHansroul, MHosek, RHons, ZIwashita, YKarpukhin, VKluson, JKobayashi, MKruglov, VKruglova, LKulikov, AKulish, EKuptsov, ALamberto, ALednicky, RMartincik, JNemenov, LNikitin, MOkada, KPentia, MPlo, MPrusa, PRappazzo, GRyazantsev, ARomero, ARonzhin, VRykalin, VSaborido, JSchacher, JShlyapnikov, PSmolik, JTakeutchi, FTrojek, TUrban, TVrba, TVazquez, PYazkov, VYoshimura, YZhabitsky, MZrelov, PSearch for Long-Lived States of $\pi^+\pi^-$ Atoms : Addendum to the DIRAC ProposalDetectors and Experimental TechniquesThe proposed experiment is a further development of the DIRAC experiment already running at CERN PS. The observation of long-lived (metastable) states of $\pi^+\pi^-$ atoms ($A_{2\pi}$) will be performed with the same setup. This observation opens a possibility to measure the energy difference between $ns$ and $np$ states and to determine the value of the combination $2a_0+a_2$ of S-wave $\pi\pi$ scattering lengths in a model-independent way. In combination with the $A_{2\pi}$ lifetime measurement providing the value $|a_0-a_2|$ DIRAC is in the position to get $a_0$ and $a_2$ separately on the basis of $A_{2\pi}$ data only.CERN-SPSC-2012-001SPSC-P-284-ADD-6DIRAC-DOC-2012-01oai:cds.cern.ch:14106812012-01-04 |
| spellingShingle | Detectors and Experimental Techniques Adeva, B Afanasyev, L Anania, A Aogaki, S Augsten, K Batyuk, P Benelli, A Brekhovskikh, V Cechak, T Chiba, M Ciortea, C Curceanu, C Doskarova, P Dudarev, A Dumitriu, D Drijard, D Fluerasu, D Gortchakov, O Gritsay, K Guaraldo, C Gugiu, M Hansroul, M Hosek, R Hons, Z Iwashita, Y Karpukhin, V Kluson, J Kobayashi, M Kruglov, V Kruglova, L Kulikov, A Kulish, E Kuptsov, A Lamberto, A Lednicky, R Martincik, J Nemenov, L Nikitin, M Okada, K Pentia, M Plo, M Prusa, P Rappazzo, G Ryazantsev, A Romero, A Ronzhin, V Rykalin, V Saborido, J Schacher, J Shlyapnikov, P Smolik, J Takeutchi, F Trojek, T Urban, T Vrba, T Vazquez, P Yazkov, V Yoshimura, Y Zhabitsky, M Zrelov, P Search for Long-Lived States of $\pi^+\pi^-$ Atoms : Addendum to the DIRAC Proposal |
| title | Search for Long-Lived States of $\pi^+\pi^-$ Atoms : Addendum to the DIRAC Proposal |
| title_full | Search for Long-Lived States of $\pi^+\pi^-$ Atoms : Addendum to the DIRAC Proposal |
| title_fullStr | Search for Long-Lived States of $\pi^+\pi^-$ Atoms : Addendum to the DIRAC Proposal |
| title_full_unstemmed | Search for Long-Lived States of $\pi^+\pi^-$ Atoms : Addendum to the DIRAC Proposal |
| title_short | Search for Long-Lived States of $\pi^+\pi^-$ Atoms : Addendum to the DIRAC Proposal |
| title_sort | search for long-lived states of $\pi^+\pi^-$ atoms : addendum to the dirac proposal |
| topic | Detectors and Experimental Techniques |
| url | http://cds.cern.ch/record/1410681 |
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