J. Kopal

Characterisation of the dip-bump structure observed in proton–proton elastic scattering at $$\sqrt{s}$$ = 8 TeV

G. Antchev, P. Aspell, I. Atanassov, Valentina Avati et autres

Abstract The TOTEM collaboration at the CERN LHC has measured the differential cross-section of elastic proton–proton scattering at $$\sqrt{s} = 8\,\mathrm{TeV}$$ s = 8 TeV in the squared four-momentum transfer range $$0.2\,\mathrm{GeV^{2}}< |t| < 1.9\,\mathrm{GeV^{2}}$$ 0.2 GeV 2 < | t | …

bg, ch, pl, us, it, fi, ru, hu, cz, tr (code pays fourni par la source)

Elastic differential cross-section $${\mathrm{d}}\sigma /{\mathrm{d}}t$$ at $$\sqrt{s}=2.76\hbox { TeV}$$ and implications on the existence of a colourless C-odd three-gluon compound state

G. Antchev, P. Aspell, I. Atanassov, V. Avati et autres

Abstract The proton–proton elastic differential cross section $${\mathrm{d}}\sigma /{\mathrm{d}}t$$ d σ / d t has been measured by the TOTEM experiment at $$\sqrt{s}=2.76\hbox { TeV}$$ s = 2.76 TeV energy with $$\beta ^{*}=11\hbox { m}$$ β ∗ = 11 m beam optics. …

bg, ch, pl, us, it, fi, hu, cz, ru (code pays fourni par la source)

Elastic differential cross-section measurement at $$\sqrt{s}=13$$ TeV by TOTEM

G. Antchev, P. Aspell, I. Atanassov, Valentina Avati et autres

Abstract The TOTEM collaboration has measured the elastic proton-proton differential cross section $$\mathrm{d}\sigma /\mathrm{d}t$$ d σ / d t at $$\sqrt{s}=13$$ s = 13 TeV LHC energy using dedicated $$\beta ^{*}=90$$ β ∗ = 90 m beam optics. The Roman Pot detectors …

bg, ch, pl, us, it, hu, fi, cz, ru (code pays fourni par la source)

First determination of the $${\rho }$$ parameter at $${\sqrt{s} = 13}$$ TeV: probing the existence of a colourless C-odd three-gluon compound state

G. Antchev, P. Aspell, I. Atanassov, V. Avati et autres

Abstract The TOTEM experiment at the LHC has performed the first measurement at $$\sqrt{s} = 13\,\mathrm{TeV}$$ s = 13 TeV of the $$\rho $$ ρ parameter, the real to imaginary ratio of the nuclear elastic scattering amplitude at $$t=0$$ t = 0 …

bg, cz, ch, pl, us, it, fi, hu, by, ru, mt (code pays fourni par la source)

First measurement of elastic, inelastic and total cross-section at $$\sqrt{s}=13$$ s = 13 TeV by TOTEM and overview of cross-section data at LHC energies

G. Antchev, P. Aspell, I. Atanassov, V. Avati et autres

The TOTEM collaboration has measured the proton–proton total cross section at $$\sqrt{s}=13~\hbox {TeV}$$ with a luminosity-independent method. Using dedicated $$\beta ^{*}=90~\hbox {m}$$ beam optics, the Roman Pots were inserted very close to the beam. The inelastic scattering rate has been measured by …

bg, ch, pl, us, it, fi, hu, cz, ru (code pays fourni par la source)

Diamond detectors for the TOTEM timing upgrade

G. Antchev, P. Aspell, I. Atanassov, V. Avati et autres

This paper describes the design and the performance of the timing detector developed by the TOTEM Collaboration for the Roman Pots (RPs) to measure the Time-Of-Flight (TOF) of the protons produced in central diffractive interactions at the LHC . The measurement of …

bg, ch, pl, it, fi, cz, hu, us, ru (code pays fourni par la source)

Measurement of elastic pp scattering at $$\sqrt{\hbox {s}} = \hbox {8}$$ s = 8 TeV in the Coulomb–nuclear interference region: determination of the $$\mathbf {\rho }$$ ρ -parameter and the total cross-section

G. Antchev, P. Aspell, I. Atanassov, V. Avati et autres

The TOTEM experiment at the CERN LHC has measured elastic proton–proton scattering at the centre-of-mass energy $$\sqrt{s}=8\,$$ TeV and four-momentum transfers squared, |t|, from $$6\times 10^{-4}$$ to 0.2 GeV $$^{2}$$ . Near the lower end of the t-interval the differential cross-section is …

cz, bg, ch, pl, it, hu, us, ru, fi, ee (code pays fourni par la source)

Evidence for non-exponential elastic proton–proton differential cross-section at low |t| and s=8TeV by TOTEM

G. Antchev, P. Aspell, I. Atanassov, Valentina Avati et autres

The TOTEM experiment has made a precise measurement of the elastic proton–proton differential cross-section at the centre-of-mass energy s = 8 TeV based on a high-statistics data sample obtained with the ⁎ β ⁎ = 90 m optics . Both the statistical …

bg, ch, pl, it, cz, mx, hu, us, fi, ee (code pays fourni par la source)

Measurement of the forward charged particle pseudorapidity density in pp collisions at $$\sqrt{s} = 8$$ s = 8 TeV using a displaced interaction point

G. Antchev, P. Aspell, I. Atanassov, V. Avati et autres

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 …

bg, ch, it, fi, us, hu, cz, ru, pl, ee (code pays fourni par la source)

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

The TOTEM Collaboration, G. Antchev, P. Aspell, I. Atanassov et autres

The pseudorapidity density of charged particles dN(ch)/deta is measured by the TOTEM experiment in pp 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 optics measurement with proton tracks detected by the Roman pots of the TOTEM experiment

G. Antchev, P. Aspell, I. Atanassov, V. Avati et autres

Precise knowledge of the beam optics at the LHC is crucial to fulfill the physics goals of the TOTEM experiment, where the kinematics of the scattered protons is reconstructed with near-beam telescopes—so-called Roman pots (RP). Before being detected, the protons' trajectories are …

bg, ch, it, fi, us, hu, cz, ru, pl, ee (code pays fourni par la source)

Double Diffractive Cross-Section Measurement in the Forward Region at the LHC

G. Antchev, P. Aspell, I. Atanassov, V. Avati et autres

The first double diffractive cross-section measurement in the very forward region has been carried out by the TOTEM experiment at the LHC with a center-of-mass energy of $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$. By utilizing the very forward TOTEM tracking detectors $T1$ and $T2$, which …

bg, ch, it, fi, us, hu, ru, pl, cz, ee (code pays fourni par la source)