V. Vlachoudis

Publication List Details

Period

1998 - 2009

Number

59

Co-Authors

Energy Deposition Studies for Possible Innovative Phase II Collimator Designs (2009)

Lari, L, Assmann, R, Brugger, M, Cerutti, F, Ferrari, A, Vlachoudis, V, ...

Due to the known limitations of Phase I LHC collimators in stable physics conditions, the LHC collimation system will be complemented by additional 30 Phase II collimators. The Phase II collimation...

Preliminary Exploratory Study of Different Phase II Collimators (2008)

Lari, L, Assmann, Ralph Wolfgang, Bertarelli, A, Bracco, C, Brugger, M, Cerutti, F, ...

The LHC collimation system is installed and commissioned in different phases, following the natural evolution of the LHC performance. To improve cleaning efficiency towards the end of the low beta...

Evaluation of Beam Losses and Energy Depositions for a Possible Phase II Design for LHC Collimation (2008)

Lari, L, Assmann, Ralph Wolfgang, Bracco, C, Brugger, M, Cerutti, F, Doyle, E, ...

The LHC beams are designed to have high stability and to be stored for many hours. The nominal beam intensity lifetime is expected to be of the order of 20h. The Phase II collimation system has to be...

Resonance capture cross section of $^{207}$Pb (2008)

Domingo-Pardo, C., Abbondanno, U., Aerts, G., Álvarez-Pol, H., Alvarez-Velarde, F., Andriamonje, S., ...

The radiative neutron capture cross section of 207Pb has been measured at the CERN neutron time of flight installation n_TOF using the pulse height weighting technique in the resolved energy region....

Resonance capture cross section of $^{207}$Pb (2008)

Domingo-Pardo, C., Abbondanno, U., Aerts, G., Álvarez-Pol, H., Alvarez-Velarde, F., Andriamonje, S., ...

The radiative neutron capture cross section of 207Pb has been measured at the CERN neutron time of flight installation n_TOF using the pulse height weighting technique in the resolved energy region....

Resonance capture cross section of $^{207}$Pb (2008)

Domingo-Pardo, C., Abbondanno, U., Aerts, G., Álvarez-Pol, H., Alvarez-Velarde, F., Andriamonje, S., ...

The radiative neutron capture cross section of 207Pb has been measured at the CERN neutron time of flight installation n_TOF using the pulse height weighting technique in the resolved energy region....

Fission cross section measurements of actinides at the CERN n TOF facility. (2008)

Calviani, M., Cennini, P., Colonna, N., Furman, W., Goverdowski, A., Karadimos, D., ...

16th Internat.Seminar on Interaction of Neutrons with Nuclei (ISINN-16), Dubna, Russia, June 11-14, 2008

Measurement of the radiative neutron capture cross section of Pb-206 and its astrophysical implications (2007)

Domingo Pardo, César, Abbondanno, U., Aerts, G., Álvarez-Pol, H., Álvarez-Velarde, F., Andriamonje, S., ...

10 pages, 6 figures.-- PACS nrs.: 25.40.Lw; 27.80.+w; 97.10.Cv.-- ISI Article Identifier: 000250620900078.-- ArXiv pre-print available at: http://arxiv.org/abs/0707.3679

Measurement of the radiative neutron capture cross section of $^{206}Pb$ and its astrophysical implications (2007)

Domingo-Pardo, C., Abbondanno, U., Aerts, G., Alvarez, H., Alvarez-Velarde, F., Andriamonje, S., ...

The (n, gamma) cross section of 206Pb has been measured at the CERN n_TOF facility with high resolution in the energy range from 1 eV to 600 keV by using two optimized C6D6 detectors. In the...

Status and outlook of the neutron time-of-flight facility n_TOF at CERN (2007)

Gunsing, F., Abbondanno, U., Aerts, G., Álvarez, H., Álvarez-Velarde, F., Andriamonje, S., ...

5 pages, 2 figures.-- PACS nrs.: 29.25; 28.20.−v; 24.30.−v; 98.80.-- ISI Article Identifier: 000248784100221

The $^{139}La(n,\gamma)$ cross section: Key for the onset of the s-process (2007)

Terlizzi, R., Abbondanno, U., Aerts, G., Alvarez, H., Alvarez-Velarde, H., Alvarez-Velarde, F., ...

The nuclear resonance parameters and the capture cross section of the neutron magic isotope 139La have been measured relative to 197Au in the energy range of 0.6 eV to 9 keV at the neutron...

The La-139(n,γ) cross section: Key for the onset of the s-process (2007)

Terlizzi, R., Abbondanno, U., Aerts, G., Álvarez, H., Álvarez-Velarde, H., Álvarez-Velarde, F., ...

15 pages, 9 figures.-- PACS nrs.: 25.40.Lw; 26.20.+f; 27.60.+j; 97.10.Cv.-- ISI Article Identifier: 000245332200071.-- ArXiv pre-print available at: http://arxiv.org/abs/nucl-ex/0610034

Measurement of the neutron capture cross section of the s-only isotope Pb-204 from 1 eV to 440 keV (2007)

Domingo Pardo, César, Abbondanno, U., Aerts, G., Álvarez-Pol, H., Álvarez-Velarde, F., Andriamonje, S., ...

9 pages, 3 figures.-- PACS nrs.: 25.40.Lw; 27.80.+w; 97.10.Cv.-- ISI Article Identifier: 000243896000061.-- ArXiv pre-print available at: http://arxiv.org/abs/nucl-ex/0610033

Neutron reactions and nuclear cosmo-chronology (2007)

Mosconi, M., Heil, M., Kappeler, F., Mengoni, A., Plag, R., Fujii, K., ...

9 pages, 3 figures.-- ISI Article Identifier: 000248204700016

Neutron reactions and nuclear cosmo-chronology (2007)

Heil, M, Kappeler, F, Mengoni, A, Plag, R, Fujii, K, ...

The beta-decay of Re-187 (t(1/2) = 42.3 Gyr) represents a suited cosmo-chronometer for the age of the r-process abundances, since the radiogenic part of the daughter isotope (OS)-O-187 is defined by...

Design study for a new spallation target of the n_TOF facility at CERN. (2007)

Carrapico, C., Andriamonje, S., Berthoumieux, E., Goncalves, I.F., Gunsing, F., Mengoni, A., ...

Internat.Conf.on Nuclear Data for Science and Technology (ND2007), Nice, F, April 22-27, 2007

Data analysis of the FIC detector at the n_TOF facility. (2007)

Karadimos, D., Ioannides, K., Assimakopoulos, P.A., Tsagas, N., Pavlopoulos, P., Karamanis, D., ...

Internat.Conf.on Nuclear Data for Science and Technology (ND2007), Nice, F, April 22-27, 2007

Neutron-induced fission cross section measurement of actinides at the n_TOF facility. (2007)

Calviani, M., Cennini, P., Colonna, N., Mastinu, P.F., Praena, J., Vlachoudis, V., ...

4th Workshop on Neutron Measurements, Evaluations and Applications - Nuclear Data Needs for Generation IV and Accelerator Driven Systems, Praha, CZ, October 16-18, 2007

Resonance capture cross section of 207Pb (2006)

Domingo-Pardo, C, Abbondanno, U, Aerts, G, Alvarez-Pol, H, Alvarez-Velarde, F, Andrzejewski, J, ...

The radiative neutron capture cross section of 207Pb has been measured at the CERN neutron time of flight installation n_TOF using the pulse height weighting technique in the resolved energy region....

New measurement of neutron capture resonances of 209Bi (2006)

Domingo-Pardo, C, Domingo-Pardo, C, Abbondanno, U, Aerts, G, Alvarez-Pol, H, Alvarez-Velarde, F, ...

The neutron capture cross section of Bi209 has been measured at the CERN n TOF facility by employing the pulse-height-weighting technique. Improvements over previous measurements are mainly because...

LHC collimation efficiency during commissioning (2006)

Assmann, R W, Bracco, C, Ferrari, A, Redaelli, S, Robert-Démolaize, G, Santana-Leitner, M, ...

The design of the LHC collimation system requires understanding and maximizing the ultimate performance with all collimators. However, for the commissioning of the LHC it is important to analyze the...

The final collimation system for the LHC (2006)

Assmann, R W, Aberle, O, Bellodi, G, Bertarelli, A, Bracco, C, Braun, H, ...

The LHC collimation system has been re-designed over in order to address the unprecedented challenges that are faced with the 360 MJ beams at 7 TeV. The layout of the LHC has now been frozen and a...

Beam Cooling with ionisation losses (2006)

Rubbia, Carlo, Ferrari, A, Kadi, Y, Vlachoudis, V

A novel type of particle "cooling", called Ionization Cooling, is applicable to slow (v of the order of 0.1c) ions stored in a small ring. The many traversals through a thin foil enhance the nuclear...

Beam Cooling with ionisation losses (2006)

Rubbia, C., Ferrari, A., Kadi, Y., Vlachoudis, V.

A novel type of particle "cooling", called Ionization Cooling, is applicable to slow (v of the order of 0.1c) ions stored in a small ring. The many traversals through a thin foil enhance the nuclear...

Neutron capture cross section of $^{232}$Th measured at the n_TOF facility at CERN in the unresolved resonance region up to 1 MeV (2006)

Aerts, G., Abbondanno, U., Álvarez, H., Alvarez-Velarde, F., Andriamonje, S., Andrzejewski, J., ...

We have measured the neutron capture reaction yield of $^(232)Th$ at the neutron time-of-flight facility n_TOF at CERN in the energy range from 1 eV to 1 MeV. The average capture cross section has...

Neutron capture cross section of $^{232}$Th measured at the n_TOF facility at CERN in the unresolved resonance region up to 1 MeV (2006)

Aerts, G., Abbondanno, U., Álvarez, H., Alvarez-Velarde, F., Andriamonje, S., Andrzejewski, J., ...

We have measured the neutron capture reaction yield of $^(232)Th$ at the neutron time-of-flight facility n_TOF at CERN in the energy range from 1 eV to 1 MeV. The average capture cross section has...

Neutron capture cross section of $^{232}$Th measured at the n_TOF facility at CERN in the unresolved resonance region up to 1 MeV (2006)

Aerts, G., Abbondanno, U., Álvarez, H., Alvarez-Velarde, F., Andriamonje, S., Andrzejewski, J., ...

We have measured the neutron capture reaction yield of $^(232)Th$ at the neutron time-of-flight facility n_TOF at CERN in the energy range from 1 eV to 1 MeV. The average capture cross section has...

Estimate of radiation damage to low-level electronics of the RF system in the LHC cavities arising from beam gas collisions (2005)

Butterworth, A., Ferrari, A., Tsoulou, E., Vlachoudis, V., Wijnands, T.

Monte Carlo simulations have been performed to estimate the radiation damage induced by high-energy hadrons in the digital electronics of the RF low-level systems in the LHC cavities. High-energy...

An Improved Cllimation System for the LHC (2004)

Assmann, R W, Aberle, O, Bertarelli, A, Braun, H, Brugger, M, Brüning, Oliver Simon, ...

The handling of the high-intensity LHC beams in a super-conducting environment requires a high-robustness collimation system with unprecedented cleaning efficiency. For gap closures down to 2.2 mm no...

First Commissioning Results of the n_TOF Facility at CERN (2004)

Borcea, C, Buono, S, Cennini, P, Dahlfors, M, Dangendorf, V, Ferrari, A, ...

n_TOF, the new neutron time of flight facility at CERN, is now operational and has been commisioned.

Activation studies and radiation safety for the N_tof experiment (2004)

Lacoste, V, Ferrari, A, Silari, Marco, Vlachoudis, V

The Neutron Time Of Flight (n_TOF) facility, whose installation is about to be completed at CERN, will use a high intensity proton beam (7E12 protons per bunch, 1 or 4 bunches allowed per 14.4 s at...

Measurements of neutron capture cross-sections for ADS-related studies. (2004)

Milazzo, P.M., Aerts, G., Berthoumieux, E., Bustreo, N., Cano-Ott, D., Cennini, P., ...

5th Topical Meeting on Industrial Radiation and Radioisotope Measurement Applications, Bologna, I, June 9-14, 2002

The n_TOF facility at CERN: Performance and first physics. (2004)

Vlachoudis, V.

Internat.Conf.on Nuclear Data for Science and Technology, Santa Fe, N.M., September 26 - October 1, 2004

Fission cross section measurements of actinides with the FIC detector at the n_TOF facility. (2004)

Vlachoudis, V.

Internat.Conf.on Nuclear Data for Science and Technology, Santa Fe, N.M., September 26 - October 1, 2004

Beam Loss and Collimation at LHC, CERN-LHC-Project-Report-663 (2003)

Jeanneret, J B, Aberle, O, Ajguirei, I L, Assmann, R W, Baishev, I S, Bojon, J P, ...

After a short review of past collimation work at LHC, the conception and baseline of the LHC collimation system are described. Abort-gap cleaning and beam loss monitoring are also discussed.

Beam Loss and Collimation at LHC, CERN-LHC-Project-Report-663 (2003)

Jeanneret, J B, Aberle, O, Ajguirei, I L, Assmann, R W, Baishev, I S, Bojon, J P, ...

After a short review of past collimation work at LHC, the conception and baseline of the LHC collimation system are described. Abort-gap cleaning and beam loss monitoring are also discussed.

Designing and Building a Collimation System for the High-Intensity LHC Beam (2003)

Assmann, R W, Aberle, O, Baishev, I S, Bruno, L, Brügger, M, Chiaveri, Enrico, ...

The Large Hadron Collider (LHC) will collide proton beams at 14 TeV c.m. with unprecedented stored intensities. The transverse energy density in the beam will be about three orders of magnitude...

Designing and Building a Collimation System for the High-Intensity LHC Beam (2003)

Assmann, R W, Aberle, O, Baishev, I S, Bruno, L, Brugger, M, Chiaveri, Enrico, ...

The Large Hadron Collider (LHC) will collide proton beams at 14 TeV c.m. with unprecedented stored intensities. The transverse energy density in the beam will be about three orders of magnitude...

Results from the Commissioning of the n-TOF Spallation Neutron Source at CERN (2002)

Borcea, C, Cennini, P, Dahlfors, M, Ferrari, A, García-Muñoz, G, Haefner, P, ...

The new neutron time-of-flight facility (n_TOF) has been built at CERN and is now operational. The facility is intended for the measurement of neutron induced cross sections of relevance to...

A Comprehensive Study of the nTOF Background at CERN (2002)

Ferrari, A, Rubbia, Carlo, Vlachoudis, V

The first experimental measurements performed at the nTOF1,2 facility at CERN have unveiled an important background, 50 to 100 times higher than expected.3 This background has consequences on capture...

Radioprotection and Shielding Aspects of the nTOF Spallation Source (2002)

Vlachoudis, V, Borcea, C, Buono, S, Cennini, P, Dahlfors, M, Ferrari, A, ...

The neutron Time of Flight (nTOF) facility at CERN is a high flux neutron source obtained by the spallation of 20 GeV/c protons onto a solid lead target. The first experimental measurements performed...

Experimental Verification of Neutron Phenomenology in Lead and Transmutation by Adiabatic Resonance Crossing in Accelerator Driven Systems (1999)

Abánades, A, Aleixandre, J, Andriamonje, Samuel A, Angelopoulos, Angelos, Apostolakis, Alcibiades J, Arnould, H, ...

Energy and space distributions of spallation neutrons (from 2.5 and 3.57 GeV/c CERN proton beams) slowing down in a 3.3 x 3.3 x 3 m3 lead volume and neutron capture rates on long-lived fission...

Feasibility Study of a Neutron Time Of Flight Facility at the CERN-PS (1999)

Andriamonje, Samuel A, Watson, T, Zanolli, M, Buono, S, Buttkus, J, Cennini, E, ...

This report summarises the feasibility study of a neutron time-of-flight facility at the CERN-PS as described in Refs. [1] and [2]. The idea is to extract at 24 GeV/cproton bunches (r.m.s. length ~7...

Experimental verification of neutron phenomenology in lead and transmutation by adiabatic resonance crossing in accelerator driven systems (1999)

Arnould, H., Bompas, C.A., Del Moral, R., Lacoste, V., Vlachoudis, V., Aleixandre, J., ...

Energy and space distributions of spallation neutrons (from 2.5 and 3.57 GeV/c CERN proton beams) slowing down in a 3.3 x 3.3 x 3 m3 lead volume and neutron capture rates on long-lived fission...

Experimental verification of neutron phenomenology in lead and transmutation by adiabatic resonance crossing in accelerator driven systems (1999)

Arnould, H., Bompas, C.A., Del Moral, R., Lacoste, V., Vlachoudis, V., Aleixandre, J., ...

Energy and space distributions of spallation neutrons (from 2.5 and 3.57 GeV/c CERN proton beams) slowing down in a 3.3 x 3.3 x 3 m3 lead volume and neutron capture rates on long-lived fission...

Experimental verification of neutron phenomenology in lead and transmutation by adiabatic resonance crossing in accelerator driven systems (1999)

Arnould, H., Bompas, C.A., Del Moral, R., Lacoste, V., Vlachoudis, V., Aleixandre, J., ...

Energy and space distributions of spallation neutrons (from 2.5 and 3.57 GeV/c CERN proton beams) slowing down in a 3.3 x 3.3 x 3 m3 lead volume and neutron capture rates on long-lived fission...

A High Resolution Spallation Driven Facility at the CERN-PS to Measure Neutron Cross Sections in the Interval from 1 eV to 250 MeV: a Relative Performance Assessment (1998)

Rubbia, Carlo, Andriamonje, Samuel A, Bouvet-Bensimon, D, Buono, S, Cappi, R, Cennini, P, ...

In the proposed facility with 24 GeV PS beam on a Lead target, the number of produced neutrons exceeds 760 per proton. In comparison, with a LINAC (GELINA) one currently obtains only about 0.05...