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Participants: Catia Conti, Jean-Pierre Egger, Carlo Guaraldo, Paul Kienle, Giovanni Mazzitelli

1. Status of the Transnational Access to LNF (C. Guaraldo, Access Manager)
On basis of a detailed report of the status of all recommended access projects in terms of assigned days, used days, assigned trips and used trips, Carlo Guaraldo concluded that the TARI project is well within the plan. From the assigned 951 access days, 751 days were used for the visits and from the assigned 65 trips 45 were carried out during the first half year period. This means that we can distribute for the second call again about 700-800 days and about 50-60 trips in order to tune the course of the access program carefully.
2. Opening of the USP meeting (P. Kienle, Chairman)
The Chairman thanked for the excellent organization of the meeting, welcomed all participants and informed them that Fabio Bossi cannot participate because he has to attend the General Meeting of the KLOE-2 Collaboration, since he is the Spokesperson of KLOE-2, and that Paolo Calvani cannot attend the meeting because of sickness.
3. Status of DAFNE (G. Mazzitelli)
Giovanni Mazzitelli gave a comprehensive report on the performance of DAFNE for running the SIDDHARTA experiment which finished November 9, 2009 and for preparation of the upcoming KLOE-2 experiment scheduled for a start in March 2010. The operation of DAFNE was steadily improved as well as data taking of SIDDHARTA to reach during the last two months of running the design luminosity, and 50% efficiency for SIDDHARTA in using the collisions for data accumulation. During the August shut down the SIDDHARTA set up was upgraded to achieve higher detection efficiency, for improving the shielding, and the signal to background ratio. Mazzitelli was asked by the Chairman to attach a short written report on the performance of DAFNE and on foreseen upgrades of the collider (Attachment n.2).

4. Examination of and selection of proposals for Hadron Physics (USP)
Proposal No. 8 by W. Wislicki, “Search for decoherence and CPT symmetry in neutral kaon system in KLOE-2 experiment at DAFNE”.
The scientific program of the proposal is well approved. The activity of the group consists of three parts: i) participation in data taking of KLOE-2 which starts presumably in March 2010, ii) data analysis which can be performed at home, iii) participation in collaboration and analysis meetings. Consequently we attribute: W. Wislicki for data taking 12 days and 1 trip in the upcoming period. For R. Gazda, who can participate in data taking starting June 2010, support should be asked in the next call (May 2010). For participation to a Collaboration and to an analysis Meeting we assign 4 days and 2 trips. For consultation in theory matters we assign to S. Wycech 14 days and 2 trips for visits.
In total we attribute to proposal No. 8 for this call 30 days and 5 trips for the access to LNF.

Proposal No. 11 by A, Kupsc, “Measurement of the eta, eta` meson decays with KLOE-2”
The physics of proposal No. 11 is interesting for understanding the structure of the η and especially the supposing gluon rich η` meson. The project is a continuation of a previous work by this group under improved conditions with KLOE-2.
There are three tasks for which access is supported within this Call:
I) Continuation of data analysis (6 months): Kupsc, 30 days and 2 trips. Jacewicz, 30 days and 2 trips.
ii) KLOE-2 trigger (it must be ready by March 2010): Marciniewsky, 40 days and 3 trips.
iii) KLOE-2 commissioning (3 months): Johansson, Wolke and Master student, each 30 days and 2 trips, which adds up to 90 days and 6 trips for commissioning of KLOE-2.
In total we attribute to proposal No. 11 for this call 190 days and 13 trips.

Proposal No. 9 by J. Marton, “Kaonic atoms and kaonic nuclear systems” and proposal No. 12 by F. Sirghi, “Hadronic atoms/nuclei research at DAFNE- SIDDHARTA/AMADEUS.
General remark to both proposals:
Both proposals (No. 9 and 12) are concerned with the SIDDHARTA experiment and at a later stage with AMADEUS. SIDDHARTA has taken data from April 2009 to November 9, 2009. During the August shut down of DAFNE, SIDDHARTA was upgraded to raise the detection efficiency and lower the background. The data taken after the upgrade with hydrogen, deuterium, 3He and 4He as targets are of excellent quality. The kaonic deuterium and 3He spectra have been measured for the first time. We congratulate the SIDDHARTA collaboration for this outstanding success. Before the upgrade kaonic hydrogen spectra were collected in several runs with lower efficiency, larger background and unstable running conditions of DAFNE, All collected data sets are very valuable and should be carefully analyzed until to the next TARI call in May 2010. A priority should be given to the analysis of the first deuterium data with 96pb-1 which must be considered as preliminary, but as essential for a possible continuation of Kaonic Atom Spectroscopy using an improved SIDDARTA-2 set up. For this purpose the present SIDDHARTA set up should be carefully dismounted, preserved and stored. All data should be analyzed independently by the groups in Frascati and Vienna. The results should be compared and discussed carefully as basis for a new proposal to continue this spectroscopy and of course for publications. For a new proposal various improvements of the experimental set up should be considered, especially for the shielding, the cryogenic system, and the K+ detection, in order to do the kaonic deuterium spectroscopy successfully. In addition work should be done for the preparation of the Amadeus program.
Under these conditions, the fulfillment of which should be reported in detail in the next TARI proposals in May 2010, we approve fully the number of requested days and trips of both proposals:
Proposal No. 9 by J. Marton, 160 days and 27 trips
Proposal No, 12 by F. Sirghi, 380 days and 9 trips

5. Examination and selection of Proposals for BTF (USP)
Comments on the previous Call
The proposal No. 4 “C-SHAPE” could not access BTF during the last period, but will apply at BTF with the assigned 46 days and 3 trips. Proposal No. 6 “RICCE” has used the assigned access days and trips for successfully preparing the experiment
Proposal No. 13 by D. Dauvergne “Search for the observation of an internal clock or of Zitterbewegung in an electron channeling experiment at LNF”.
In order to perform this difficult but interesting experiment at BTF, which is now well prepared in the frame of proposal No. 6, RICCE approved in the First Call and to analyze the data and work on the theory we approve 100 days, and 15 trips for the access of LNF.
Proposal No. 10 by D.Bosnar “AMADEUS Scintillating Fibers Trigger System II”
For this integrating R&D development we assign for the access of the BTF 70 days and 4 trips (30 days and 2 trips to Bosnar; 40 days and 2 trips to Makek), taking into account that 37 days are still to be used from the First Call.

6. Conclusions
We had a very efficient and well organized second TARI USP meeting and assigned 760 days and 54 trips for the access of Hadron Physics proposals and 170 days and 19 trips for BTF proposals. So totally we attributed 930 days and 73 trips for the access of the LNF facilities.