J. Berryhill

activity

19962022

most citedObservation of a Broad Structure in the

π^{+} π^{-} J / ψ

Mass Spectrum around 4.26 GeV/

c^{2}

744 citations · 3.3k across the 53 of their papers we have counts for

collaborators

53 papers

hep-ex2022★ 2 cited

Anomalous production of massive gauge boson pairs at muon colliders

Brad Abbott, Aram Apyan, Bianca Azartash-Namin +11

The prospects of searches for anomalous production of hadronically decaying weak boson pairs at proposed high-energy muon colliders are reported. Muon-muon collision events are sim…

hep-ex2022★ 65 cited

FACET: A new long-lived particle detector in the very forward region of the CMS experiment

S. Cerci, D. Sunar Cerci, D. Lazic +28

We describe a proposal to add a set of very forward detectors to the CMS experiment for the high-luminosity era of the Large Hadron Collider to search for beyond the standard model…

physics.ins-det2015★ 7 cited

Run 2 Upgrades to the CMS Level-1 Calorimeter Trigger

B. Kreis, J. Berryhill, R. Cavanaugh +61

The CMS Level-1 calorimeter trigger is being upgraded in two stages to maintain performance as the LHC increases pile-up and instantaneous luminosity in its second run. In the firs…

hep-ex2009★ 63 cited

A Search for Invisible Decays of the Upsilon(1S)

The BABAR Collaboration, B. Aubert

We search for invisible decays of the Upsilon(1S) meson using a sample of 91.4 x 10^{6} Upsilon(3S) mesons collected at the BaBar/PEP-II B-factory. We select events containing the…

hep-ph2008★ 114 cited

B, D and K decays

G. Buchalla, T. K. Komatsubara, F. Muheim +124

With the advent of the LHC, we will be able to probe New Physics (NP) up to energy scales almost one order of magnitude larger than it has been possible with present accelerator fa…

hep-ex2007★ 99 cited

Observation of the Semileptonic Decays B --> D* tau nubar and Evidence for B --> D tau nubar

The BABAR Collaboration, B. Aubert

We present measurements of the semileptonic decays B- --> D0 tau- nubar, B- --> D*0 tau- nubar, B0bar --> D+ tau- nubar, and B0bar --> D*+ tau- nubar, which are potentially sensiti…

hep-ex2007★ 32 cited

Observation of B0 -> K0 K0bar and search for B0 -> K0 K0

The BABAR Collaboration, B. Aubert

We report the observation of the b -> d penguin-dominated decay B0 -> K*0 K*0bar with a sample of 383.2 +/- 4.2 million BBbar pairs collected with the BaBar detector at the PEP-II…

hep-ex2007★ 61 cited

Determination of the Form Factors for the Decay B0 -> D*- l+ nu_l and of the CKM Matrix Element |V_cb|

The BABAR Collaboration, B. Aubert

We present a combined measurement of the Cabibbo-Kobayashi-Maskawa matrix element |V_{cb}| and of the parameters rho^2, R_1(1), and R_2(1), which fully characterize the form factor…

hep-ex2007★ 46 cited

Measurement of ${CP}\xspace$ Violation Parameters with a Dalitz Plot Analysis of $B^{\pm} \to D_{π^{+} π^{-} π^{0}} K^{\pm}$

The BaBar Collaboration, B. Aubert

We report the results of a CP violation analysis of the decay B+/- --> D(pipipi0)K+/-, where D(pipipi0) indicates a neutral D meson detected in the final state pi+pi-pi0, excluding…

hep-ex2007★ 34 cited

Improved Measurement of CP Violation in Neutral B Decays to c cbar s

The BABAR Collaboration, B. aubert

We present updated measurements of time-dependent CP asymmetries in fully-reconstructed neutral B decays to several CP eigenstates containing a charmonium meson. The measurements u…

hep-ex2007★ 65 cited

Observation of CP Violation in B0 -> K+pi- and B0 -> pi+pi-

B. Aubert

We report observations of CP violation in the decays B0 -> K+pi- and B0 -> pi+pi- in a sample of 383 million Y(4S) -> BBbar events. We find 4372 +/- 82 B0 -> K+pi- decays and measu…

hep-ex2006★ 289 cited

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/ $c^{2}$ in the Reaction $e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)$ Measured at BaBar

The BABAR Collaboration, B. Aubert

We present a measurement of the cross section of the process $e^{+} e^{-} \to π^{+} p i^{-} ψ (2 S)$ from threshold up to 8 GeV center-of-mass energy using events containing initial-state radiatio…

hep-ex2006★ 6 cited

Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0

The BABAR Collaboration, B. Aubert

We present a measurement of the branching fraction and time-dependent CP asymmetry of B^0 to rho^0 K^0. The results are obtained from a data sample of 227 10^6 Y4S to BB_ decays co…

hep-ex2006★ 117 cited

Observation of an Excited Charm Baryon OmegaC* Decaying to OmegaC0 Gamma

The BABAR Collaboration, B. Aubert

We report the first observation of an excited singly-charm baryon OmegaC* (css) in the radiative decay OmegaC0 Gamma, where the OmegaC0 baryon is reconstructed in the decays to the…

hep-ex2006★ 37 cited

Measurement of the Spin of the Omega^- Hyperon at BABAR

The BABAR Collaboration, B. Aubert

A measurement of the spin of the Omega^- hyperon produced through the exclusive process Xi_c^0 --> Omega^- K^+ is presented using a total integrated luminosity of 116 fb^-1 recorde…

hep-ex2006★ 47 cited

Observation of $Υ (4 S) d ec a y s t o$ π^+pi^-Υ(1S) $an d$ π^+pi^-Υ(2S)

The BABAR Collaboration, B. Aubert

We present the first measurement of $Υ (4 S)$ decays to $π^{+} p i^{-} Υ (1 S)$ and $π^{+} p i^{-} Υ (2 S)$ based on a sample of 230 $\times 1 0^{6}$ $Υ (4 S)$ mesons collected with the BABAR detector. We me…

hep-ex2006★ 143 cited

Observation of a Charmed Baryon Decaying to D0 p at a Mass Near 2.94 GeV/c2

The BABAR Collaboration, B. Aubert

A search for charmed baryons decaying to $D^{0} p$ reveals two states: the $Λ_{c} (2880)^{+}$ baryon and a previously unobserved state at a mass of [$2939.8\pm 1.3 \text{(stat.)}\pm 1.0 \…

hep-ex2006★ 25 cited

Determinations of |Vub| from Inclusive Semileptonic B Decays with Reduced Model Dependence

The BABAR Collaboration, B. Aubert

We report two novel determinations of |Vub| with reduced model dependence, based on measurements of the mass distribution of the hadronic system in semileptonic B decays. Events ar…

hep-ex2005★ 41 cited

A Search for the rare decay B0 --> tau+tau- at BABAR

The BABAR Collaboration, B. Aubert

We present the results of a search for the decay B0 --> tau+tau- in a data sample of (232 +- 3) x 10^6 Upsilon(4S) --> BBbar decays using the BABAR detector. Certain extensions of…

hep-ex2005★ 4 cited

Measurements of the Absolute Branching Fractions of B^\pm --> K^\pm X_{c\bar c}

The BABAR Collaboration, B. Aubert

We study the two-body decays of B^\pm mesons to K^\pm and a charmonium state, X_{c\bar c}, in a sample of 210.5 fb^{-1} of data from the BaBar experiment. We perform measurements o…

hep-ex2005★ 744 cited

Observation of a Broad Structure in the $π^{+} π^{-} J / ψ$ Mass Spectrum around 4.26 GeV/ $c^{2}$

The BABAR Collaboration, B. Aubert

We study initial-state radiation events, $e^{+} e^{-} \to γ_{I S R} π^{+} π^{-} J / ψ$ , with data collected with the BaBar detector. We observe an accumulation of events near 4.26 GeV/ $c^{2}$ in the…

hep-ex2005★ 37 cited

Improved Measurement of the CKM Angle alpha Using B0->rho+rho- Decays

BABAR Collaboration, B. Aubert

We present results from an analysis of B0 -> rho+rho- using 232 million Upsilon(4S) decays collected with the BABAR detector at the PEP-II asymmetric-energy $B$ Factory at SLAC. We…

hep-ex2004★ 70 cited

Observation of the Decay B=> J/psi eta K and Search for X(3872)=> J/psi eta

B. Aubert

We report the observation of the $B$ meson decay $B^{\pm} \to J / ψ η K^{\pm}$ and evidence for the decay $B^{0} \to J / ψ η K_{S}^{0}$ , using {90} million $B B ba r$ events collected at the $\ensuremath…

hep-ex2003★ 14 cited

Inclusive Double Pomeron Exchange at the Fermilab Tevatron pbar-p Collider

D. Acosta

We report a study of $p ˉ + p \to p ˉ + X + Y$ at $s = 1800$ GeV, where $Y$ is a proton or system of mass-squared $M_{Y}^{2} ≲ 8$ GeV $^{2}$ . In a sample of events with a leading…

Anomalous production of massive gauge boson pairs at muon colliders

FACET: A new long-lived particle detector in the very forward region of the CMS experiment

Run 2 Upgrades to the CMS Level-1 Calorimeter Trigger

A Search for Invisible Decays of the Upsilon(1S)

B, D and K decays

Observation of the Semileptonic Decays B --> D* tau nubar and Evidence for B --> D tau nubar

Observation of B0 -> K*0 K*0bar and search for B0 -> K*0 K*0

Determination of the Form Factors for the Decay B0 -> D*- l+ nu_l and of the CKM Matrix Element |V_cb|

Measurement of ${CP}\xspace$ Violation Parameters with a Dalitz Plot Analysis of B±→Dπ+π−π0​K±

Improved Measurement of CP Violation in Neutral B Decays to c cbar s

Observation of CP Violation in B0 -> K+pi- and B0 -> pi+pi-

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/c2 in the Reaction e+e−→π+π−ψ(2S) Measured at BaBar

Measurement of the CP Asymmetry and Branching Fraction of B^0 to rho^0 K^0

Observation of an Excited Charm Baryon OmegaC* Decaying to OmegaC0 Gamma

Measurement of the Spin of the Omega^- Hyperon at BABAR

Observation of Υ(4S)decaystoπ^+pi^-Υ(1S)andπ^+pi^-Υ(2S)

Observation of a Charmed Baryon Decaying to D0 p at a Mass Near 2.94 GeV/c2

Determinations of |Vub| from Inclusive Semileptonic B Decays with Reduced Model Dependence

A Search for the rare decay B0 --> tau+tau- at BABAR

Measurements of the Absolute Branching Fractions of B^\pm --> K^\pm X_{c\bar c}

Observation of a Broad Structure in the π+π−J/ψ Mass Spectrum around 4.26 GeV/c2

Improved Measurement of the CKM Angle alpha Using B0->rho+rho- Decays

Observation of the Decay B=> J/psi eta K and Search for X(3872)=> J/psi eta

Inclusive Double Pomeron Exchange at the Fermilab Tevatron pbar-p Collider

Observation of B0 -> K0 K0bar and search for B0 -> K0 K0

Measurement of ${CP}\xspace$ Violation Parameters with a Dalitz Plot Analysis of $B^{\pm} \to D_{π^{+} π^{-} π^{0}} K^{\pm}$

Evidence of a Broad Structure at an Invariant Mass of 4.32 GeV/ $c^{2}$ in the Reaction $e^{+} e^{-} \to π^{+} π^{-} ψ (2 S)$ Measured at BaBar

Observation of $Υ (4 S) d ec a y s t o$ π^+pi^-Υ(1S) $an d$ π^+pi^-Υ(2S)

Observation of a Broad Structure in the $π^{+} π^{-} J / ψ$ Mass Spectrum around 4.26 GeV/ $c^{2}$