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Measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 TeV using a displaced interaction point

The the pseudorapidity density of charged particles dN$_{ch}$/d$\eta$ is measured by the TOTEM experiment in pp collisions at √s = 8 TeV within the range 3.9 < $\eta$ < 4.7 and −6.95 < $\eta$ < −6.9. Data were collected in a low intensity LHC run with collisions occurring at a distance o...

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Autores principales: Antchev, G., Aspell, P., Atanassov, I., Avati, V., Baechler, J., Berardi, V., Berretti, M., Bossini, E., Bottigli, U., Bozzo, M., Brücken, E., Buzzo, A., Cafagna, F.S., Catanesi, M.G., Covault, C., Csanád, M., Csörgő, T., Deile, M., Doubek, M., Eggert, K., Eremin, V., Ferro, F., Fiergolski, A., Garcia, F., Georgiev, V., Giani, S., Grzanka, L., Hammerbauer, J., Heino, J., Hilden, T., Karev, A., Kašpar, J., Kopal, J., Kundrát, V., Lami, S., Latino, G., Lauhakangas, R., Leszko, T., Lippmaa, E., Lippmaa, J., Lokajíček, M.V., Losurdo, L., Lo Vetere, M., Lucas Rodriguez, F., Macrí, M., Mäki, T., Mercadante, A., Minafra, N., Minutoli, S., Nemes, F., Niewiadomski, H., Oliveri, E., Oljemark, F., Orava, R., Oriunno, M., Österberg, K., Palazzi, P., Peroutka, Z., Procházka, J., Quinto, M., Radermacher, E., Radicioni, E., Ravotti, F., Robutti, E., Ropelewski, L., Ruggiero, G., Saarikko, H., Scribano, A., Smajek, J., Snoeys, W., Sodzawiczny, T., Sziklai, J., Taylor, C., Turini, N., Vacek, V., Welti, J., Whitmore, J., Wyszkowski, P., Zielinski, K.
Lenguaje:eng
Publicado: 2014
Materias:
Acceso en línea:https://dx.doi.org/10.1140/epjc/s10052-015-3343-7
http://cds.cern.ch/record/1954699
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author Antchev, G.
Aspell, P.
Atanassov, I.
Avati, V.
Baechler, J.
Berardi, V.
Berretti, M.
Bossini, E.
Bottigli, U.
Bozzo, M.
Brücken, E.
Buzzo, A.
Cafagna, F.S.
Catanesi, M.G.
Covault, C.
Csanád, M.
Csörgő, T.
Deile, M.
Doubek, M.
Eggert, K.
Eremin, V.
Ferro, F.
Fiergolski, A.
Garcia, F.
Georgiev, V.
Giani, S.
Grzanka, L.
Hammerbauer, J.
Heino, J.
Hilden, T.
Karev, A.
Kašpar, J.
Kopal, J.
Kundrát, V.
Lami, S.
Latino, G.
Lauhakangas, R.
Leszko, T.
Lippmaa, E.
Lippmaa, J.
Lokajíček, M.V.
Losurdo, L.
Lo Vetere, M.
Lucas Rodriguez, F.
Macrí, M.
Mäki, T.
Mercadante, A.
Minafra, N.
Minutoli, S.
Nemes, F.
Niewiadomski, H.
Oliveri, E.
Oljemark, F.
Orava, R.
Oriunno, M.
Österberg, K.
Palazzi, P.
Peroutka, Z.
Procházka, J.
Quinto, M.
Radermacher, E.
Radicioni, E.
Ravotti, F.
Robutti, E.
Ropelewski, L.
Ruggiero, G.
Saarikko, H.
Scribano, A.
Smajek, J.
Snoeys, W.
Sodzawiczny, T.
Sziklai, J.
Taylor, C.
Turini, N.
Vacek, V.
Welti, J.
Whitmore, J.
Wyszkowski, P.
Zielinski, K.
author_facet Antchev, G.
Aspell, P.
Atanassov, I.
Avati, V.
Baechler, J.
Berardi, V.
Berretti, M.
Bossini, E.
Bottigli, U.
Bozzo, M.
Brücken, E.
Buzzo, A.
Cafagna, F.S.
Catanesi, M.G.
Covault, C.
Csanád, M.
Csörgő, T.
Deile, M.
Doubek, M.
Eggert, K.
Eremin, V.
Ferro, F.
Fiergolski, A.
Garcia, F.
Georgiev, V.
Giani, S.
Grzanka, L.
Hammerbauer, J.
Heino, J.
Hilden, T.
Karev, A.
Kašpar, J.
Kopal, J.
Kundrát, V.
Lami, S.
Latino, G.
Lauhakangas, R.
Leszko, T.
Lippmaa, E.
Lippmaa, J.
Lokajíček, M.V.
Losurdo, L.
Lo Vetere, M.
Lucas Rodriguez, F.
Macrí, M.
Mäki, T.
Mercadante, A.
Minafra, N.
Minutoli, S.
Nemes, F.
Niewiadomski, H.
Oliveri, E.
Oljemark, F.
Orava, R.
Oriunno, M.
Österberg, K.
Palazzi, P.
Peroutka, Z.
Procházka, J.
Quinto, M.
Radermacher, E.
Radicioni, E.
Ravotti, F.
Robutti, E.
Ropelewski, L.
Ruggiero, G.
Saarikko, H.
Scribano, A.
Smajek, J.
Snoeys, W.
Sodzawiczny, T.
Sziklai, J.
Taylor, C.
Turini, N.
Vacek, V.
Welti, J.
Whitmore, J.
Wyszkowski, P.
Zielinski, K.
author_sort Antchev, G.
collection CERN
description The the pseudorapidity density of charged particles dN$_{ch}$/d$\eta$ is measured by the TOTEM experiment in pp collisions at √s = 8 TeV within the range 3.9 < $\eta$ < 4.7 and −6.95 < $\eta$ < −6.9. Data were collected in a low intensity LHC run with collisions occurring at a distance of 11.25 m from the nominal interaction point. The data sample is expected to include 96-97% of the inelastic proton-proton interactions. The measurement reported here considers charged particles with $P_T$ > 0 MeV/c, produced in inelastic interactions with at least one charged particle in −7 < $\eta$ < −6 or 3.7< $\eta$ < 4.8. The dN$_{ch}$/d$\eta$ has been found to decrease with |$\eta$|, from 5.11 ± 0.73 at $\eta$ =3.95 to 1.81 ± 0.56 at $\eta$ = −6.925. Several MC generators are compared to the data and are found to be within the systematic uncertainty of the measurement.
id cern-1954699
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2014
record_format invenio
spelling cern-19546992022-08-10T13:01:47Zdoi:10.1140/epjc/s10052-015-3343-7http://cds.cern.ch/record/1954699engAntchev, G.Aspell, P.Atanassov, I.Avati, V.Baechler, J.Berardi, V.Berretti, M.Bossini, E.Bottigli, U.Bozzo, M.Brücken, E.Buzzo, A.Cafagna, F.S.Catanesi, M.G.Covault, C.Csanád, M.Csörgő, T.Deile, M.Doubek, M.Eggert, K.Eremin, V.Ferro, F.Fiergolski, A.Garcia, F.Georgiev, V.Giani, S.Grzanka, L.Hammerbauer, J.Heino, J.Hilden, T.Karev, A.Kašpar, J.Kopal, J.Kundrát, V.Lami, S.Latino, G.Lauhakangas, R.Leszko, T.Lippmaa, E.Lippmaa, J.Lokajíček, M.V.Losurdo, L.Lo Vetere, M.Lucas Rodriguez, F.Macrí, M.Mäki, T.Mercadante, A.Minafra, N.Minutoli, S.Nemes, F.Niewiadomski, H.Oliveri, E.Oljemark, F.Orava, R.Oriunno, M.Österberg, K.Palazzi, P.Peroutka, Z.Procházka, J.Quinto, M.Radermacher, E.Radicioni, E.Ravotti, F.Robutti, E.Ropelewski, L.Ruggiero, G.Saarikko, H.Scribano, A.Smajek, J.Snoeys, W.Sodzawiczny, T.Sziklai, J.Taylor, C.Turini, N.Vacek, V.Welti, J.Whitmore, J.Wyszkowski, P.Zielinski, K.Measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 TeV using a displaced interaction pointParticle Physics - ExperimentThe the pseudorapidity density of charged particles dN$_{ch}$/d$\eta$ is measured by the TOTEM experiment in pp collisions at √s = 8 TeV within the range 3.9 < $\eta$ < 4.7 and −6.95 < $\eta$ < −6.9. Data were collected in a low intensity LHC run with collisions occurring at a distance of 11.25 m from the nominal interaction point. The data sample is expected to include 96-97% of the inelastic proton-proton interactions. The measurement reported here considers charged particles with $P_T$ > 0 MeV/c, produced in inelastic interactions with at least one charged particle in −7 < $\eta$ < −6 or 3.7< $\eta$ < 4.8. The dN$_{ch}$/d$\eta$ has been found to decrease with |$\eta$|, from 5.11 ± 0.73 at $\eta$ =3.95 to 1.81 ± 0.56 at $\eta$ = −6.925. Several MC generators are compared to the data and are found to be within the systematic uncertainty of the measurement.The pseudorapidity density of charged particles dN$_{ ch }$ /d $\eta $ is measured by the TOTEM experiment in proton–proton collisions at $\sqrt{s} = 8$  TeV within the range $3.9<\eta <4.7$ and $-6.95<\eta <-6.9$ . Data were collected in a low intensity LHC run with collisions occurring at a distance of 11.25 m from the nominal interaction point. The data sample is expected to include 96–97 % of the inelastic proton–proton interactions. The measurement reported here considers charged particles with $p_T>0$ MeV/c, produced in inelastic interactions with at least one charged particle in $-7<\eta <-6$ or $3.7<\eta <4.8$ . The dN$_{ ch }$ /d $\eta $ has been found to decrease with $|\eta |$ , from 5.11 $\pm $ 0.73 at $\eta =3.95$ to 1.81 $\pm $ 0.56 at $\eta =-$ 6.925. Several Monte Carlo generators are compared to the data and are found to be within the systematic uncertainty of the measurement.The the pseudorapidity density of charged particles dN$_{ch}$/d$\eta$ is measured by the TOTEM experiment in pp collisions at √s = 8 TeV within the range 3.9 < $\eta$ < 4.7 and −6.95 < $\eta$ < −6.9. Data were collected in a low intensity LHC run with collisions occurring at a distance of 11.25 m from the nominal interaction point. The data sample is expected to include 96-97% of the inelastic proton-proton interactions. The measurement reported here considers charged particles with $P_T$ > 0 MeV/c, produced in inelastic interactions with at least one charged particle in −7 < $\eta$ < −6 or 3.7< $\eta$ < 4.8. The dN$_{ch}$/d$\eta$ has been found to decrease with |$\eta$|, from 5.11 ± 0.73 at $\eta$ =3.95 to 1.81 ± 0.56 at $\eta$ = −6.925. Several MC generators are compared to the data and are found to be within the systematic uncertainty of the measurement.arXiv:1411.4963CERN-PH-EP-2014-260CERN-PH-EP-2014-260oai:cds.cern.ch:19546992014-11-18
spellingShingle Particle Physics - Experiment
Antchev, G.
Aspell, P.
Atanassov, I.
Avati, V.
Baechler, J.
Berardi, V.
Berretti, M.
Bossini, E.
Bottigli, U.
Bozzo, M.
Brücken, E.
Buzzo, A.
Cafagna, F.S.
Catanesi, M.G.
Covault, C.
Csanád, M.
Csörgő, T.
Deile, M.
Doubek, M.
Eggert, K.
Eremin, V.
Ferro, F.
Fiergolski, A.
Garcia, F.
Georgiev, V.
Giani, S.
Grzanka, L.
Hammerbauer, J.
Heino, J.
Hilden, T.
Karev, A.
Kašpar, J.
Kopal, J.
Kundrát, V.
Lami, S.
Latino, G.
Lauhakangas, R.
Leszko, T.
Lippmaa, E.
Lippmaa, J.
Lokajíček, M.V.
Losurdo, L.
Lo Vetere, M.
Lucas Rodriguez, F.
Macrí, M.
Mäki, T.
Mercadante, A.
Minafra, N.
Minutoli, S.
Nemes, F.
Niewiadomski, H.
Oliveri, E.
Oljemark, F.
Orava, R.
Oriunno, M.
Österberg, K.
Palazzi, P.
Peroutka, Z.
Procházka, J.
Quinto, M.
Radermacher, E.
Radicioni, E.
Ravotti, F.
Robutti, E.
Ropelewski, L.
Ruggiero, G.
Saarikko, H.
Scribano, A.
Smajek, J.
Snoeys, W.
Sodzawiczny, T.
Sziklai, J.
Taylor, C.
Turini, N.
Vacek, V.
Welti, J.
Whitmore, J.
Wyszkowski, P.
Zielinski, K.
Measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 TeV using a displaced interaction point
title Measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 TeV using a displaced interaction point
title_full Measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 TeV using a displaced interaction point
title_fullStr Measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 TeV using a displaced interaction point
title_full_unstemmed Measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 TeV using a displaced interaction point
title_short Measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 TeV using a displaced interaction point
title_sort measurement of the forward charged particle pseudorapidity density in pp collisions at √s = 8 tev using a displaced interaction point
topic Particle Physics - Experiment
url https://dx.doi.org/10.1140/epjc/s10052-015-3343-7
http://cds.cern.ch/record/1954699
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