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1.
Experimental techniques for deflection and radiation studies with bent crystals / Hasan, Said
What happens when a high energy charged particle crosses an amorphous material? It loses energy by ionization and its trajectory is affected by the multiple Coulomb scattering, being these phenomena originated by uncorrelated collisions with the atoms [...]
CERN-THESIS-2011-020 - Como : INFM, Como, 2011. - 200 p.

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2.
Manipulation of Negatively Charged Beams via Coherent Effects in Bent Crystals / Scandale, Walter (CERN) ; Guidi, Vincenzo (INFN, Ferrara) ; Bagli, Enrico (INFN, Ferrara) ; Mazzolari, Andrea (INFN, Ferrara) ; Afonin, Alexander (Serpukhov, IHEP) ; Chesnokov, Yuri (Serpukhov, IHEP) ; Maisheev, Vladimir (Serpukhov, IHEP) ; Yazynin, Igor (Serpukhov, IHEP) ; Baricordi, Stefano (Ferrara U.) ; Dalpiaz, Pietro (Ferrara U.) et al.
We review the experimental evidences we recorded with volume reflection and planar and axial channelings with negatively charged particles beam. High deflection efficiency was observed in all cases [...]
2010 External link: Published version from JACoW
In : 1st International Particle Accelerator Conference, Kyoto, Japan, 23 - 28 May 2010, pp.THPD052
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3.
High-efficiency deflection of high-energy negative particles through axial channeling in a bent crystal / Scandale, Walter (CERN) ; Vomiero, Alberto (INFM, Brescia) ; Bagli, E (INFN, Ferrara ; Ferrara U.) ; Baricordi, Stefano (INFN, Ferrara ; Ferrara U.) ; Dalpiaz, Pietro (INFN, Ferrara ; Ferrara U.) ; Fiorini, Massimiliano (INFN, Ferrara ; Ferrara U.) ; Guidi, Vincenzo (INFN, Ferrara ; Ferrara U.) ; Mazzolari, Andrea (INFN, Ferrara ; Ferrara U.) ; Vincenzi, D (INFN, Ferrara ; Ferrara U.) ; Milan, R (INFN, Legnaro) et al.
Deflection due to axial channeling in a silicon crystal bent along the [111] axis was observed for 150 GeV/c negative particles, mainly π− mesons, at one of the secondary beams of the CERN SPS. The whole beam was deflected to one side with the efficiency of about 90% and with the peak position at the bend crystal angle α=43 μrad. [...]
2009 - Published in : Phys. Lett. B 680 (2009) 301-304
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4.
High-Efficiency Deflection of High-Energy Protons through Axial Channeling in a Bent Crystal / Scandale, Walter (CERN) ; Vomiero, Alberto (INFM, Brescia) ; Baricordi, Stefano (INFN, Ferrara ; Ferrara U.) ; Dalpiaz, Pietro (INFN, Ferrara ; Ferrara U.) ; Fiorini, Massimiliano (INFN, Ferrara ; Ferrara U.) ; Guidi, Vincenzo (INFN, Ferrara ; Ferrara U.) ; Mazzolari, Andrea (INFN, Ferrara ; Ferrara U.) ; Della Mea, Gianantonio (INFN, Legnaro) ; Milan, Riccardo (INFN, Legnaro) ; Ambrosi, Giovanni (INFN, Perugia ; Perugia U.) et al.
Beam deflection due to axial channeling in a silicon crystal bent along the [111] axis was observed with 400  GeV/c protons at the CERN Super Proton Synchrotron. The condition for doughnut scattering of protons by the atomic strings of the crystal was attained. [...]
2008 - Published in : Phys. Rev. Lett. 101 (2008) 164801 APS Published version, local copy: PDF;
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5.
Deflection of 400  GeV/c proton beam with bent silicon crystals at the CERN Super Proton Synchrotron / Scandale, Walter (CERN) ; Carnera, Alberto ; Della Mea, Gianantonio ; De Salvador, Davide ; Milan, Riccardo ; Vomiero, Alberto ; Baricordi, Stefano ; Dalpiaz, Pietro ; Fiorini, Massimiliano ; Guidi, Vincenzo et al.
This paper presents a detailed study of the deflection phenomena of a 400  GeV/c proton beam impinging on a new generation of bent silicon crystals; the tests have been performed at the CERN Super Proton Synchrotron H8 beam line. Channeling and volume reflection angles are measured with an extremely precise goniometer and with high resolution silicon microstrip detectors. [...]
2008 - Published in : Phys. Rev. Spec. Top. Accel. Beams 11 (2008) 063501 APS Published version, local copy: PDF;
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6.
Double volume reflection of a proton beam by a sequence of two bent crystals / Scandale, Walter (CERN) ; Carnera, Alberto (INFN, Legnaro ; Padua U.) ; Della Mea, Gianantonio (INFN, Legnaro ; Trento U.) ; De Salvador, Davide (INFN, Legnaro ; Padua U.) ; Milan, Riccardo (INFN, Legnaro) ; Vomiero, Alberto (INFN, Legnaro ; INFM, Brescia) ; Baricordi, Stefano (INFN, Ferrara) ; Dalpiaz, Pietro (INFN, Ferrara) ; Fiorini, Massimiliano (INFN, Ferrara) ; Guidi, Vincenzo (INFN, Ferrara) et al.
The doubling of the angle of beam deflection due to volume reflection of protons by a sequence of two bent silicon crystals was experimentally observed at the 400 GeV proton beam of the CERN SPS. A similar sequence of short bent crystals can be used as an efficient primary collimator for the Large Hadron Collider..
2008 - Published in : Phys. Lett. B 658 (2008) 109-111
- Published in : Phys. Lett. B 660 (2008) 610-611 (Erratum)
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7.
Bent silicon crystals for the LHC collimation : Studies with an ultrarelativistic proton beam / Hasan, Said
LHC is a source of new challenges in every HEP field; among these, the beam collimation requires an innovative approach [...]
CERN-THESIS-2007-069 CARE-Thesis-07-002-HHH ; CARE-Thesis-2007-002-HHH. - Como : Como Univ., 2007. - 184 p.

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8.
High-Efficiency Volume Reflection of an Ultrarelativistic Proton Beam with a Bent Silicon Crystal / Scandale, Walter (CERN) ; Still, Dean A ; Carnera, Alberto ; Della Mea, Gianantonio ; De Salvador, Davide ; Milan, Riccardo ; Vomiero, Alberto ; Baricordi, Stefano ; Dalpiaz, Pietro ; Fiorini, Massimiliano et al.
The volume reflection phenomenon was detected while investigating 400 GeV proton interactions with bent silicon crystals in the external beam H8 of the CERN Super Proton Synchrotron. Such a process was observed for a wide interval of crystal orientations relative to the beam axis, and its efficiency exceeds 95%, thereby surpassing any previously observed value. [...]
CARE-Pub-07-001; CARE-Pub-2007-001.- CARE, 2007 - Published in : Phys. Rev. Lett. 98 (2007) 154801 APS Published version, local copy: PDF;
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Vea también: autores con nombres similares
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2 Hasan, S I
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3 Hasan, S N
20 Hasan, S S
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1 Hasan, S. S
1 Hasan, Saeed
1 Hasan, Samiul
1 Hasan, Sartaj Ul
1 Hasan, Shakeeb B
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1 Hasan, Siraj S
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