A. Karcher

Publication List Details

Period

1998 - 2007

Number

59

Co-Authors

Continuously Live Image Processor for Drift Chamber Track Segment Triggering 1 (2007)

A. Berenyi, H. K. Chen, K. Dao, S. F. Dow, S. K. Gehrig, M. S. Gill, ...

Using a novel method incorporating both occupancy and drift-time information, the TSF system continually searches for segments in the supercells of the full 7104-wire Drift Chamber hit image at 3.7...

1 (2007)

A. Berenyi, H. K. Chen, K. Dao, S. F. Dow, S. K. Gehrig, M. S. Gill, ...

The environment of the high-luminosity PEP-II machine poses unique design challenges for the trigger system of the BABAR detector. These led to the adoption of a real-time parallel pipelined...

A Binary Link Tracker for the (2007)

Babar Level Trigger, A. Berenyi, H. K. Chen, K. Dao, S. F. Dow, S. K. Gehrig, ...

The BABAR detector at PEP-II will operate in a highluminosity e + e \Gamma collider environment near the \Upsilon(4S) resonance with the primary goal of studying CP violation in the B meson system....

Supernova / Acceleration Probe: A Satellite Experiment to Study the Nature of the Dark Energy (2006)

Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

The Supernova / Acceleration Probe (SNAP) is a proposed space-based experiment designed to study the dark energy and alternative explanations of the acceleration of the Universe's expansion by...

An Integral Field Spectrograph for SNAP Supernova Identification (2006)

Ealet, A., Prieto, E., Bonissent, A., Malina, R., Bernstein, G.M., Basa, S., ...

A well-adapted spectrograph concept has been developed for the SNAP (SuperNova/Acceleration Probe) experiment. The goal is to ensure proper identification of Type Ia supernovae and to standardize the...

The BABAR detector (2006)

Aubert, B., Bazan, A., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., ...

BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson decays. Charged...

High-voltage-compatible, fully depleted CCDs (2006)

Holland, Stephen E., Bebek, Chris J., Dawson, Kyle S., Emes, John E., Fabricius, Max H., Fairfield, Jessaym A., ...

We describe charge-coupled device (CCD) development activities at the Lawrence Berkeley National Laboratory (LBNL). Back-illuminated CCDs fabricated on 200-300 mu m thick, fully depleted,...

Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...

Probing Dark Energy via Weak Gravitational Lensing with the SuperNova Acceleration Probe (SNAP) (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...

Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)

Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...

Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...

Probing Dark Energy via Weak Gravitational Lensing with the SuperNova Acceleration Probe (SNAP) (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...

Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)

Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...

Supernova Acceleration Probe: Studying Dark Energy with Type Ia Supernovae (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

The Supernova Acceleration Probe (SNAP) will use Type Ia supernovae (SNe Ia) as distance indicators to measure the effect of dark energy on the expansion history of the Universe. (SNAP's weak-lensing...

Probing Dark Energy via Weak Gravitational Lensing with the SuperNova Acceleration Probe (SNAP) (2005)

Albert, J., Aldering, G., Allam, S., Althouse, W., Amanullah, R., Annis, J., ...

SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white...

Seeing the Nature of the Accelerating Physics: It's a SNAP (2005)

Aldering, G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

For true insight into the nature of dark energy, measurements of the precision and accuracy of the Supernova/Acceleration Probe (SNAP) are required. Precursor or scaled-down experiments are...

Supernova / Acceleration Probe: A Satellite Experiment to Study the Nature of the Dark Energy (2004)

Aldering, SNAP Collaboration: G., Althouse, W., Amanullah, R., Annis, J., Astier, P., Baltay, C., ...

The Supernova / Acceleration Probe (SNAP) is a proposed space-based experiment designed to study the dark energy and alternative explanations of the acceleration of the Universe's expansion by...

SNAP Satellite Focal Plane Development (2003)

Bebek, C., Akerlof, C., Aldering, G., Amanullah, R., Astier, P., Baltay, C., ...

The proposed SuperNova/Acceleration Probe (SNAP) mission will have a two-meter class telescope delivering diffraction-limited images to an instrumented 0.7 square degree field in the visible and...

Proton radiation damage in P-channel CCDs fabricated on high-resistivity silicon (2002)

Bebek, C., Groom, D., Holland, S., Karcher, A., Kolbe, W., Lee, J., ...

P-channel, backside illuminated silicon CCDs were developed and fabricated on high-resistivity n-type silicon. Devices have been exposed up to 1x1011 protons/cm2 at 12 MeV. The charge transfer...

The BABAR detector (2002)

Aubert, B., Bazan, A., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., ...

BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson decays. Charged...

The BABAR detector (2002)

Aubert, B., Bazan, A., Boucham, A., Boutigny, D., De Bonis, I., Favier, J., ...

BABAR, the detector for the SLAC PEP-II asymmetric e+e- B Factory operating at the upsilon 4S resonance, was designed to allow comprehensive studies of CP-violation in B-meson decays. Charged...

Proton radiation damage in high-resistivity n-type silicon CCDs (2001)

Bebek, C.J., Groom, D.E., Holland, S.E., Karcher, A., Kolbe, W.F., Lee, J., ...

A new type of p-channel CCD constructed on high-resistivity n-type silicon was exposed to 12 MeV protons at doses up to 1x1011 protons/cm2. The charge transfer efficiency was measured as a function...

Converting blood coagulation factor IXa into factor Xa: dramatic increase in amidolytic activity identifies important active site determinants.

Hopfner, K P, Brandstetter, H, Karcher, A, Kopetzki, E, Huber, R, Engh, R A, ...

The coagulation factors IXa (fIXa) and Xa (fXa) share extensive structural and functional homology; both cleave natural substrates effectively only with a cofactor at a phospholipid surface. However,...

Converting blood coagulation factor IXa into factor Xa: dramatic increase in amidolytic activity identifies important active site determinants.

Hopfner, K P, Brandstetter, H, Karcher, A, Kopetzki, E, Huber, R, Engh, R A, ...

The coagulation factors IXa (fIXa) and Xa (fXa) share extensive structural and functional homology; both cleave natural substrates effectively only with a cofactor at a phospholipid surface. However,...