cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.17182/hepdata.130796.v1/t23
title: "K0S0_dcs10" of "$K^+\Lambda$ and $K^+\Sigma^0$ photoproduction with fine center-of-mass energy resolution"

description: Excitation function at cos(Theta_K+)cm = 0.1
description: A2 Collaboration at MAMI.
Measurements of $\gamma p \to K^+ \Lambda$ and $\gamma p \to K^+ \Sigma^0$
cross-sections have been obtained with the photon tagging facility
and the Crystal Ball calorimeter at MAMI-C. The measurement uses
a novel $K^+$ meson identification technique in which the weak decay
products are characterized using the energy and timing
characteristics of the energy deposit in the calorimeter, a method
that has the potential to be applied at many other facilities. The
fine center-of-mass energy (W) resolution and statistical accuracy
of the new data results in a significant impact on partial wave
analyses aiming to better establish the excitation spectrum of the
nucleon. Systematic effects from the modeling of the experimental
trigger in the simulation were typically 4% near threshold for
$K^+ \Lambda$ and reducing with the beam energy. For $K^+ \Sigma^0$,
the uncertainty was 2–3% near threshold and only at very backward
angles. Systematic errors from non-hydrogen components of the target
cell, target cell length and PID efficiency were each less than 1%.
DOI: 10.17182/hepdata.130796.v1/t24
title: "K0S0_dcs11" of "$K^+\Lambda$ and $K^+\Sigma^0$ photoproduction with fine center-of-mass energy resolution"

description: Excitation function at cos(Theta_K+)cm = 0.2
description: A2 Collaboration at MAMI.
Measurements of $\gamma p \to K^+ \Lambda$ and $\gamma p \to K^+ \Sigma^0$
cross-sections have been obtained with the photon tagging facility
and the Crystal Ball calorimeter at MAMI-C. The measurement uses
a novel $K^+$ meson identification technique in which the weak decay
products are characterized using the energy and timing
characteristics of the energy deposit in the calorimeter, a method
that has the potential to be applied at many other facilities. The
fine center-of-mass energy (W) resolution and statistical accuracy
of the new data results in a significant impact on partial wave
analyses aiming to better establish the excitation spectrum of the
nucleon. Systematic effects from the modeling of the experimental
trigger in the simulation were typically 4% near threshold for
$K^+ \Lambda$ and reducing with the beam energy. For $K^+ \Sigma^0$,
the uncertainty was 2–3% near threshold and only at very backward
angles. Systematic errors from non-hydrogen components of the target
cell, target cell length and PID efficiency were each less than 1%.
DOI: 10.17182/hepdata.130796.v1/t25
title: "K0S0_dcs12" of "$K^+\Lambda$ and $K^+\Sigma^0$ photoproduction with fine center-of-mass energy resolution"

description: Excitation function at cos(Theta_K+)cm = 0.3
description: A2 Collaboration at MAMI.
Measurements of $\gamma p \to K^+ \Lambda$ and $\gamma p \to K^+ \Sigma^0$
cross-sections have been obtained with the photon tagging facility
and the Crystal Ball calorimeter at MAMI-C. The measurement uses
a novel $K^+$ meson identification technique in which the weak decay
products are characterized using the energy and timing
characteristics of the energy deposit in the calorimeter, a method
that has the potential to be applied at many other facilities. The
fine center-of-mass energy (W) resolution and statistical accuracy
of the new data results in a significant impact on partial wave
analyses aiming to better establish the excitation spectrum of the
nucleon. Systematic effects from the modeling of the experimental
trigger in the simulation were typically 4% near threshold for
$K^+ \Lambda$ and reducing with the beam energy. For $K^+ \Sigma^0$,
the uncertainty was 2–3% near threshold and only at very backward
angles. Systematic errors from non-hydrogen components of the target
cell, target cell length and PID efficiency were each less than 1%.
DOI: 10.17182/hepdata.130796.v1/t26
title: "K0S0_dcs13" of "$K^+\Lambda$ and $K^+\Sigma^0$ photoproduction with fine center-of-mass energy resolution"

description: Excitation function at cos(Theta_K+)cm = 0.4
description: A2 Collaboration at MAMI.
Measurements of $\gamma p \to K^+ \Lambda$ and $\gamma p \to K^+ \Sigma^0$
cross-sections have been obtained with the photon tagging facility
and the Crystal Ball calorimeter at MAMI-C. The measurement uses
a novel $K^+$ meson identification technique in which the weak decay
products are characterized using the energy and timing
characteristics of the energy deposit in the calorimeter, a method
that has the potential to be applied at many other facilities. The
fine center-of-mass energy (W) resolution and statistical accuracy
of the new data results in a significant impact on partial wave
analyses aiming to better establish the excitation spectrum of the
nucleon. Systematic effects from the modeling of the experimental
trigger in the simulation were typically 4% near threshold for
$K^+ \Lambda$ and reducing with the beam energy. For $K^+ \Sigma^0$,
the uncertainty was 2–3% near threshold and only at very backward
angles. Systematic errors from non-hydrogen components of the target
cell, target cell length and PID efficiency were each less than 1%.
DOI: 10.17182/hepdata.130817.v1/t1
title: "Cross-section limits - $M(X)/M(Y) = 0.11$" of "Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

description: The observed 95% CL upper limits on the product of the cross section, branching fraction, and acceptance for resonant production of paired dijet resonances decaying to a quark-gluon pair, with $M(X)/M(Y) = 0.11$. The corresponding expected limits and their variations at the 1 and 2 standard deviation levels are also shown. Limits are compared to predictions for a scalar diquark with couplings to pairs of up quarks, $y_{uu}$ = 0.4, and to pairs of vector-like quarks, $y_{χ}$ = 0.6.
description: A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate resonant state and for nonresonant production. The search uses a data sample corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ collected by the CMS detector in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. Model-independent limits, at 95$\%$ confidence level, are reported on the production cross section of four-jet and dijet resonances. These first LHC limits on resonant pair production of dijet resonances via high mass intermediate states are applied to a signal model of diquarks that decay into pairs of vector-like quarks, excluding diquark masses below $7.6~\mathrm{TeV}$ for a particular model scenario. There are two events in the tails of the distributions, each with a four-jet mass of $8~\mathrm{TeV}$ and an average dijet mass of $2~\mathrm{TeV}$, resulting in local and global significances of 3.9 and 1.6 standard deviations, respectively, if interpreted as a signal. The nonresonant search excludes pair production of top squarks with masses between 0.50 $\mathrm{TeV}$ and 0.77 $\mathrm{TeV}$, with the exception of a small interval between 0.52 and 0.58 $\mathrm{TeV}$, for supersymmetric R-parity-violating decays to quark pairs, significantly extending previous limits. Here, the most significant excess above the predicted background occurs at an average dijet mass of 0.95 $\mathrm{TeV}$, for which the local and global significances are 3.6 and 2.5 standard deviations, respectively.
DOI: 10.17182/hepdata.130817.v1/t2
title: "Cross-section limits - $M(X)/M(Y) = 0.13$" of "Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

description: The observed 95% CL upper limits on the product of the cross section, branching fraction, and acceptance for resonant production of paired dijet resonances decaying to a quark-gluon pair, with $M(X)/M(Y) = 0.13$. The corresponding expected limits and their variations at the 1 and 2 standard deviation levels are also shown. Limits are compared to predictions for a scalar diquark with couplings to pairs of up quarks, $y_{uu}$ = 0.4, and to pairs of vector-like quarks, $y_{χ}$ = 0.6.
description: A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate resonant state and for nonresonant production. The search uses a data sample corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ collected by the CMS detector in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. Model-independent limits, at 95$\%$ confidence level, are reported on the production cross section of four-jet and dijet resonances. These first LHC limits on resonant pair production of dijet resonances via high mass intermediate states are applied to a signal model of diquarks that decay into pairs of vector-like quarks, excluding diquark masses below $7.6~\mathrm{TeV}$ for a particular model scenario. There are two events in the tails of the distributions, each with a four-jet mass of $8~\mathrm{TeV}$ and an average dijet mass of $2~\mathrm{TeV}$, resulting in local and global significances of 3.9 and 1.6 standard deviations, respectively, if interpreted as a signal. The nonresonant search excludes pair production of top squarks with masses between 0.50 $\mathrm{TeV}$ and 0.77 $\mathrm{TeV}$, with the exception of a small interval between 0.52 and 0.58 $\mathrm{TeV}$, for supersymmetric R-parity-violating decays to quark pairs, significantly extending previous limits. Here, the most significant excess above the predicted background occurs at an average dijet mass of 0.95 $\mathrm{TeV}$, for which the local and global significances are 3.6 and 2.5 standard deviations, respectively.
DOI: 10.17182/hepdata.130817.v1/t3
title: "Cross-section limits - $M(X)/M(Y) = 0.15$" of "Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

description: The observed 95% CL upper limits on the product of the cross section, branching fraction, and acceptance for resonant production of paired dijet resonances decaying to a quark-gluon pair, with $M(X)/M(Y) = 0.15$. The corresponding expected limits and their variations at the 1 and 2 standard deviation levels are also shown. Limits are compared to predictions for a scalar diquark with couplings to pairs of up quarks, $y_{uu}$ = 0.4, and to pairs of vector-like quarks, $y_{χ}$ = 0.6.
description: A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate resonant state and for nonresonant production. The search uses a data sample corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ collected by the CMS detector in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. Model-independent limits, at 95$\%$ confidence level, are reported on the production cross section of four-jet and dijet resonances. These first LHC limits on resonant pair production of dijet resonances via high mass intermediate states are applied to a signal model of diquarks that decay into pairs of vector-like quarks, excluding diquark masses below $7.6~\mathrm{TeV}$ for a particular model scenario. There are two events in the tails of the distributions, each with a four-jet mass of $8~\mathrm{TeV}$ and an average dijet mass of $2~\mathrm{TeV}$, resulting in local and global significances of 3.9 and 1.6 standard deviations, respectively, if interpreted as a signal. The nonresonant search excludes pair production of top squarks with masses between 0.50 $\mathrm{TeV}$ and 0.77 $\mathrm{TeV}$, with the exception of a small interval between 0.52 and 0.58 $\mathrm{TeV}$, for supersymmetric R-parity-violating decays to quark pairs, significantly extending previous limits. Here, the most significant excess above the predicted background occurs at an average dijet mass of 0.95 $\mathrm{TeV}$, for which the local and global significances are 3.6 and 2.5 standard deviations, respectively.
DOI: 10.17182/hepdata.130817.v1/t4
title: "Cross-section limits - $M(X)/M(Y) = 0.17$" of "Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

description: The observed 95% CL upper limits on the product of the cross section, branching fraction, and acceptance for resonant production of paired dijet resonances decaying to a quark-gluon pair, with $M(X)/M(Y) = 0.17$. The corresponding expected limits and their variations at the 1 and 2 standard deviation levels are also shown. Limits are compared to predictions for a scalar diquark with couplings to pairs of up quarks, $y_{uu}$ = 0.4, and to pairs of vector-like quarks, $y_{χ}$ = 0.6.
description: A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate resonant state and for nonresonant production. The search uses a data sample corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ collected by the CMS detector in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. Model-independent limits, at 95$\%$ confidence level, are reported on the production cross section of four-jet and dijet resonances. These first LHC limits on resonant pair production of dijet resonances via high mass intermediate states are applied to a signal model of diquarks that decay into pairs of vector-like quarks, excluding diquark masses below $7.6~\mathrm{TeV}$ for a particular model scenario. There are two events in the tails of the distributions, each with a four-jet mass of $8~\mathrm{TeV}$ and an average dijet mass of $2~\mathrm{TeV}$, resulting in local and global significances of 3.9 and 1.6 standard deviations, respectively, if interpreted as a signal. The nonresonant search excludes pair production of top squarks with masses between 0.50 $\mathrm{TeV}$ and 0.77 $\mathrm{TeV}$, with the exception of a small interval between 0.52 and 0.58 $\mathrm{TeV}$, for supersymmetric R-parity-violating decays to quark pairs, significantly extending previous limits. Here, the most significant excess above the predicted background occurs at an average dijet mass of 0.95 $\mathrm{TeV}$, for which the local and global significances are 3.6 and 2.5 standard deviations, respectively.
DOI: 10.17182/hepdata.130817.v1/t5
title: "Cross-section limits - $M(X)/M(Y) = 0.19$" of "Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

description: The observed 95% CL upper limits on the product of the cross section, branching fraction, and acceptance for resonant production of paired dijet resonances decaying to a quark-gluon pair, with $M(X)/M(Y) = 0.19$. The corresponding expected limits and their variations at the 1 and 2 standard deviation levels are also shown. Limits are compared to predictions for a scalar diquark with couplings to pairs of up quarks, $y_{uu}$ = 0.4, and to pairs of vector-like quarks, $y_{χ}$ = 0.6.
description: A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate resonant state and for nonresonant production. The search uses a data sample corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ collected by the CMS detector in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. Model-independent limits, at 95$\%$ confidence level, are reported on the production cross section of four-jet and dijet resonances. These first LHC limits on resonant pair production of dijet resonances via high mass intermediate states are applied to a signal model of diquarks that decay into pairs of vector-like quarks, excluding diquark masses below $7.6~\mathrm{TeV}$ for a particular model scenario. There are two events in the tails of the distributions, each with a four-jet mass of $8~\mathrm{TeV}$ and an average dijet mass of $2~\mathrm{TeV}$, resulting in local and global significances of 3.9 and 1.6 standard deviations, respectively, if interpreted as a signal. The nonresonant search excludes pair production of top squarks with masses between 0.50 $\mathrm{TeV}$ and 0.77 $\mathrm{TeV}$, with the exception of a small interval between 0.52 and 0.58 $\mathrm{TeV}$, for supersymmetric R-parity-violating decays to quark pairs, significantly extending previous limits. Here, the most significant excess above the predicted background occurs at an average dijet mass of 0.95 $\mathrm{TeV}$, for which the local and global significances are 3.6 and 2.5 standard deviations, respectively.
DOI: 10.17182/hepdata.130817.v1/t6
title: "Cross-section limits - $M(X)/M(Y) = 0.21$" of "Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

description: The observed 95% CL upper limits on the product of the cross section, branching fraction, and acceptance for resonant production of paired dijet resonances decaying to a quark-gluon pair, with $M(X)/M(Y) = 0.21$. The corresponding expected limits and their variations at the 1 and 2 standard deviation levels are also shown. Limits are compared to predictions for a scalar diquark with couplings to pairs of up quarks, $y_{uu}$ = 0.4, and to pairs of vector-like quarks, $y_{χ}$ = 0.6.
description: A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate resonant state and for nonresonant production. The search uses a data sample corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ collected by the CMS detector in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. Model-independent limits, at 95$\%$ confidence level, are reported on the production cross section of four-jet and dijet resonances. These first LHC limits on resonant pair production of dijet resonances via high mass intermediate states are applied to a signal model of diquarks that decay into pairs of vector-like quarks, excluding diquark masses below $7.6~\mathrm{TeV}$ for a particular model scenario. There are two events in the tails of the distributions, each with a four-jet mass of $8~\mathrm{TeV}$ and an average dijet mass of $2~\mathrm{TeV}$, resulting in local and global significances of 3.9 and 1.6 standard deviations, respectively, if interpreted as a signal. The nonresonant search excludes pair production of top squarks with masses between 0.50 $\mathrm{TeV}$ and 0.77 $\mathrm{TeV}$, with the exception of a small interval between 0.52 and 0.58 $\mathrm{TeV}$, for supersymmetric R-parity-violating decays to quark pairs, significantly extending previous limits. Here, the most significant excess above the predicted background occurs at an average dijet mass of 0.95 $\mathrm{TeV}$, for which the local and global significances are 3.6 and 2.5 standard deviations, respectively.
DOI: 10.17182/hepdata.130817.v1/t7
title: "Cross-section limits - $M(X)/M(Y) = 0.23$" of "Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

description: The observed 95% CL upper limits on the product of the cross section, branching fraction, and acceptance for resonant production of paired dijet resonances decaying to a quark-gluon pair, with $M(X)/M(Y) = 0.23$. The corresponding expected limits and their variations at the 1 and 2 standard deviation levels are also shown. Limits are compared to predictions for a scalar diquark with couplings to pairs of up quarks, $y_{uu}$ = 0.4, and to pairs of vector-like quarks, $y_{χ}$ = 0.6.
description: A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate resonant state and for nonresonant production. The search uses a data sample corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ collected by the CMS detector in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. Model-independent limits, at 95$\%$ confidence level, are reported on the production cross section of four-jet and dijet resonances. These first LHC limits on resonant pair production of dijet resonances via high mass intermediate states are applied to a signal model of diquarks that decay into pairs of vector-like quarks, excluding diquark masses below $7.6~\mathrm{TeV}$ for a particular model scenario. There are two events in the tails of the distributions, each with a four-jet mass of $8~\mathrm{TeV}$ and an average dijet mass of $2~\mathrm{TeV}$, resulting in local and global significances of 3.9 and 1.6 standard deviations, respectively, if interpreted as a signal. The nonresonant search excludes pair production of top squarks with masses between 0.50 $\mathrm{TeV}$ and 0.77 $\mathrm{TeV}$, with the exception of a small interval between 0.52 and 0.58 $\mathrm{TeV}$, for supersymmetric R-parity-violating decays to quark pairs, significantly extending previous limits. Here, the most significant excess above the predicted background occurs at an average dijet mass of 0.95 $\mathrm{TeV}$, for which the local and global significances are 3.6 and 2.5 standard deviations, respectively.
DOI: 10.17182/hepdata.130817.v1/t8
title: "Cross-section limits - $M(X)/M(Y) = 0.25$" of "Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at $\sqrt{s}$ = 13 TeV"

description: The observed 95% CL upper limits on the product of the cross section, branching fraction, and acceptance for resonant production of paired dijet resonances decaying to a quark-gluon pair, with $M(X)/M(Y) = 0.25$. The corresponding expected limits and their variations at the 1 and 2 standard deviation levels are also shown. Limits are compared to predictions for a scalar diquark with couplings to pairs of up quarks, $y_{uu}$ = 0.4, and to pairs of vector-like quarks, $y_{χ}$ = 0.6.
description: A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate resonant state and for nonresonant production. The search uses a data sample corresponding to an integrated luminosity of $138~\mathrm{fb}^{-1}$ collected by the CMS detector in proton-proton collisions at $\sqrt{s}=13~\mathrm{TeV}$. Model-independent limits, at 95$\%$ confidence level, are reported on the production cross section of four-jet and dijet resonances. These first LHC limits on resonant pair production of dijet resonances via high mass intermediate states are applied to a signal model of diquarks that decay into pairs of vector-like quarks, excluding diquark masses below $7.6~\mathrm{TeV}$ for a particular model scenario. There are two events in the tails of the distributions, each with a four-jet mass of $8~\mathrm{TeV}$ and an average dijet mass of $2~\mathrm{TeV}$, resulting in local and global significances of 3.9 and 1.6 standard deviations, respectively, if interpreted as a signal. The nonresonant search excludes pair production of top squarks with masses between 0.50 $\mathrm{TeV}$ and 0.77 $\mathrm{TeV}$, with the exception of a small interval between 0.52 and 0.58 $\mathrm{TeV}$, for supersymmetric R-parity-violating decays to quark pairs, significantly extending previous limits. Here, the most significant excess above the predicted background occurs at an average dijet mass of 0.95 $\mathrm{TeV}$, for which the local and global significances are 3.6 and 2.5 standard deviations, respectively.