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1.
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Transverse-target-spin asymmetry in exclusive $\omega$-meson electroproduction
/ HERMES Collaboration
Hard exclusive electroproduction of $\omega$ mesons is studied with the HERMES spectrometer at the DESY laboratory by scattering 27.6 GeV positron and electron beams off a transversely polarized hydrogen target. The amplitudes of five azimuthal modulations of the single-spin asymmetry of the cross section with respect to the transverse proton polarization are measured. [...]
arXiv:1508.07612; DESY-15-149; DESY REPORT 15-149.-
2015-12-17 - 9 p.
- Published in : Eur. Phys. J. C 75 (2015) 600
Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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2.
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Performance of the AX-PET demonstrator
/ Beltrame, P (CERN) ; Bolle, E (Oslo U.) ; Braem, A (CERN) ; Casella, C (Zurich, ETH) ; Chesi, E (Ohio State U.) ; Clinthorne, N (Michigan U.) ; De Leo, R (INFN, Bari) ; Dissertori, G (Zurich, ETH) ; Djambazov, L (Zurich, ETH) ; Fanti, V (CERN) et al.
The goal of the AX-PET project is to build and test a demonstrator for a high resolution, high sensitivity PET scanner, based on a novel geometrical concept of long axially oriented crystals. The demonstrator comprises two PET modules used in coin cidence. [...]
2011 - 3 p.
- Published in : Nucl. Phys. B, Proc. Suppl. 215 (2011) 34-36
In : 12th Topical Seminar on Innovative Particle and Radiation Detectors, Sienna, Italy, 7-10 Jun 2010, pp.34-36
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3.
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Production status of the JLAB Hall-A GEM and Si $\mu$strip Tracker
/ Basile, E (Rome, ISS) ; Bellini, V (INFN, Catania) ; Capogni, M (ENEA, Casaccia ; Rome, ISS) ; Cisbani, E (Rome, ISS ; Rome, ISS) ; Colilli, S (Rome, ISS) ; De Leo, R (INFN, Bari) ; De Oliveira, R (CERN) ; De Persio, F (INFN, Rome) ; Diefenbach, J (Hampton U.) ; Frullani, S (INFN, Rome) et al.
We developed and tested a new charged particle tracking system, able to operate in high luminosity experiments, which will be installed at Jefferson Laboratory HallA (VA, USA) for optimally exploit the new 12GeV energy electron beam available at the end of 2013. The tracker is made of six GEM (Gas Electron Multiplier) large chambers and two 10x20cm^2 planes of SIlicon microstrip Detectors (SIDs). [...]
2013 - 3 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 718 (2013) 429-431
In : 12th Pisa Meeting on Advanced Detectors: Frontier Detector for Frontier Physics, La Biodola, Isola d'Elba, Italy, 20 - 26 May 2012, pp.429-431
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4.
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The AX-PET experiment: A demonstrator for an axial Positron Emission Tomograph
/ Bolle, E (Oslo U.) ; Casella, C (Zurich, ETH) ; Chesi, E (Ohio State U.) ; De Leo, R (INFN, Bari) ; Dissertori, G (Zurich, ETH) ; Fanti, V (INFN, Cagliari ; Cagliari U.) ; Gillam, J.E (Valencia U., IFIC) ; Heller, M (CERN) ; Joram, C (CERN) ; Lustermann, W (Zurich, ETH) et al.
AX-PET stands for a new geometrical concept for a high resolution and high sensitivity PET scanner, based on an axial arrangement of long scintillating crystals in the tomograph, for a parallax free PET detector. Two identical AX-PET modules - consisting of matrices of LYSO crystals interleaved with WLS strips - have been built. [...]
2013 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 718 (2013) 126-129
In : 12th Pisa Meeting on Advanced Detectors: Frontier Detector for Frontier Physics, La Biodola, Isola d'Elba, Italy, 20 - 26 May 2012, pp.126-129
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5.
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AX-PET: A novel PET concept with G-APD readout
/ Heller, M (CERN) ; Bolle, E (Oslo U.) ; Casella, C (Zurich, ETH) ; Chesi, E (Ohio State U., Columbus (main)) ; De Leo, R (INFN, Bari) ; Dissertori, G (Zurich, ETH) ; Fanti, V (Cagliari U. ; INFN, Cagliari) ; Gillam, J E (Valencia U., IFIC) ; Joram, C (CERN) ; Lustermann, W (Zurich, ETH) et al.
The AX-PET collaboration has developed a novel concept for high resolution PET imaging to overcome some of the performance limitations of classical PET cameras, in particular the compromise between spatial resolution and sensitivity introduced by the parallax error. The detector consists of an arrangement of long LYSO scintillating crystals axially oriented around the field of view together with arrays of wave length shifter strips orthogonal to the crystals. [...]
2012
- Published in : Nucl. Instrum. Methods Phys. Res., A 695 (2012) 129-134
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6.
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GEM tracker for high luminosity experiments at the JLab Hall A
/ Bellini, V (INFN, Catania ; Catania U.) ; Cisbani, E (INFN, Rome ; INSM, Rome) ; Capogni, M (INFN, Rome ; ENEA, Frascati) ; Colilli, S (INFN, Rome ; INSM, Rome) ; De Leo, R (INFN, Bari ; Bari U.) ; De Oliveira, R (CERN) ; De Smet, V (INFN, Catania ; Catania U. ; Lisbon, ISEL) ; Fratoni, R (INFN, Rome ; INSM, Rome) ; Frullani, S (INFN, Rome ; INSM, Rome) ; Giuliani, F (INFN, Rome ; INSM, Rome) et al.
A new large-area, lightweight tracker based on the GEM technology is under development for the upcoming experiments in Hall A at Jefferson Lab, where a longitudinally polarized electron beam of 11 GeV will be available in late 2013. This beam, combined with innovative polarized targets, will provide luminosity up to 10(39)/(s cm(2)) opening exciting opportunities to investigate unexplored aspects of the inner structure of the nucleon and the dynamics of its constituents. [...]
2012
- Published in : JINST 7 (2012) C05013
IOP Open Access article: PDF;
In : 2nd International Conference on Micro Pattern Gaseous Detectors, Maiko, Kobe, Japan, 29 Aug - 1 Sep 2011, pp.C05013
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7.
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Demonstration of an Axial PET concept for brain and small animal imaging
/ Beltrame, P (CERN) ; Nappi, E (INFN, Bari) ; Clinthorne, N (Michigan U.) ; Meddi, F (Rome U.) ; Kagan, H (Ohio State U.) ; Braem, A (CERN) ; Pauss, F (Zurich, ETH) ; Djambazov, L (Zurich, ETH) ; Lustermann, W (Zurich, ETH) ; Weilhammer, P (Ohio State U.) et al.
Standard Positron Emission Tomography (PET) cameras need to reach a compromise between spatial resolution and sensitivity. To overcome this limitation we developed a novel concept of PET. [...]
2011
- Published in : Nucl. Instrum. Methods Phys. Res., A 628 (2011) 426-429
In : 12th Vienna Conference on Instrumentation, Vienna, Austria, 15 - 20 Feb 2010, pp.426-429
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8.
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Construction and tests of demonstrator modules for a 3-D axial PET system for brain or small animal imaging
/ Chesi, E (Ohio State U.) ; Nappi, E (INFN, Bari) ; Clinthorne, N (Michigan U.) ; Pauss, P (Zurich, ETH) ; Meddi, F (Rome U.) ; Beltrame, P (CERN) ; Kagan, H (Ohio State U.) ; Braem, A (CERN) ; Casella, C (Zurich, ETH) ; Djambazov, G (Zurich, ETH) et al.
The design and construction of a PET camera module with high sensitivity, full 3-D spatial reconstruction and very good energy resolution is presented. The basic principle consists of an axial arrangement of long scintillation crystals around the Field Of View (FOV), providing a measurement of the transverse coordinates of the interacting 511 keV gamma ray. [...]
2011
- Published in : Nucl. Instrum. Methods Phys. Res., A 636 (2011) S226-S230
In : 7th International Symposium on the Development and Application of Semiconductor Tracking Detectors, Hiroshima, Japan, 29 Aug - 01 Sep 2009, pp.S226-S230
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9.
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The AX-PET project : Demonstration of a high resolution axial 3D PET
/ Bolle, E (Oslo U.) ; Braem, A (CERN) ; Casella, C (Zurich, ETH) ; Chesi, E (Ohio State U.) ; Clinthorne, N (Michigan U.) ; Cochran, E (Ohio State U.) ; De Leo, R (INFN, Bari) ; Dissertori, G (Zurich, ETH) ; Djambazov, G (Zurich, ETH) ; Fanti, V (CERN) et al.
The AX-PET is a new geometrical concept for a high resolution 3D PET scanner, based on matrices of axially oriented LYSO crystals interleaved by stacks of WLS, both individually read out by G-APDs. A PET demonstrator, based on two detector modules used in coincidence, is currently under construction..
2010
- Published in : Nucl. Instrum. Methods Phys. Res., A 623 (2010) 214-216
In : 11th Pisa Meeting on Advanced Detectors on Frontier Detectors For Frontier Physics, La Biodola, Italy, 24 - 30 May 2009, pp.214-216
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10.
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Proximity focusing RICH detector based on multilayer silica aerogel radiator
/ De Leo, R (Bari U. ; INFN, Bari) ; Argentieri, A G (Bari Polytechnic) ; Bellunato, T (Milan Bicocca U. ; INFN, Milan) ; Calvi, M (Milan Bicocca U. ; INFN, Milan) ; Cisbani, E (Rome, ISS) ; Cusanno, F (Rome, ISS) ; Garibaldi, F (Rome, ISS) ; Lagamba, L (Bari U. ; INFN, Bari) ; Marra, M (Bari Polytechnic) ; Marrone, S (Bari U. ; INFN, Bari) et al.
The performance of a proximity focusing Ring Imaging Cherenkov detector equipped with a radiator of silica aerogel is presented. The aerogel tile used is a monolith with variable index of refraction. [...]
2010
- Published in : Nucl. Instrum. Methods Phys. Res., A 617 (2010) 381-383
In : 11th Pisa Meeting on Advanced Detectors on Frontier Detectors For Frontier Physics, La Biodola, Italy, 24 - 30 May 2009, pp.381-383
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