Results 21 to 30 of about 685,996 (298)

Large collective Lamb shift of two distant superconducting artificial atoms [PDF]

open access: yes, 2019
Virtual photons can mediate interaction between atoms, resulting in an energy shift known as a collective Lamb shift. Observing the collective Lamb shift is challenging, since it can be obscured by radiative decay and direct atom-atom interactions. Here,
Chen, J. C.   +11 more
core   +2 more sources

New Physics and the Proton Radius Problem [PDF]

open access: yes, 2012
Background: The recent disagreement between the proton charge radius extracted from Lamb shift measurements of muonic and electronic hydrogen invites speculation that new physics may be to blame.
Carlson, Carl E., Rislow, Benjamin C.
core   +3 more sources

Clinical characteristics and outcomes of ST-segment elevation myocardial infarction in a low income setting in rural Bangladesh

open access: yesInternational Journal of Cardiology: Heart & Vasculature, 2019
Background: In rural areas of Bangladesh, the majority of patients with ST segment elevation myocardial infarction (STEMI) have little access to reperfusion therapy.
Dong-Yeon Kim   +4 more
doaj   +1 more source

Maximal Acceleration Corrections to the Lamb Shift of Hydrogen, Deuterium and He$^{+}$ [PDF]

open access: yes, 1998
The maximal acceleration corrections to the Lamb shift of one--electron atoms are calculated in a non--relativistic approximation. They are compatible with experimental results, are in particularly good agreement with the $2S-2P$ Lamb shift in hydrogen ...
Berkeland   +55 more
core   +2 more sources

The RMS Charge Radius of the Proton and Zemach Moments [PDF]

open access: yes, 2011
On the basis of recent precise measurements of the electric form factor of the proton, the Zemach moments, needed as input parameters for the determination of the proton rms radius from the measurement of the Lamb shift in muonic hydrogen, are calculated.
Arrington   +28 more
core   +1 more source

Do consumers care about companies’ efforts in greening supply chains? Analyzing the role of protected values and the halo effect in product evaluation

open access: yesCleaner Logistics and Supply Chain, 2022
Widespread efforts are being made to mitigate environmental degradation driven by human activities. From a supply chain management perspective, companies aim at improving their environmental and organizational performance along their supply chain ...
Juan Pablo Loaiza-Ramírez   +2 more
doaj   +1 more source

CsrA Regulates Swarming Motility and Carbohydrate and Amino Acid Metabolism in Vibrio alginolyticus

open access: yesMicroorganisms, 2021
Vibrio alginolyticus, like other vibrio species, is a widely distributed marine bacterium that is able to outcompete other species in variable niches where diverse organic matters are supplied. However, it remains unclear how these cells sense and adjust
Bing Liu   +7 more
doaj   +1 more source

Detecting Lamb waves with broad-band acousto-ultrasonic signals in composite structures [PDF]

open access: yes, 1992
Lamb waves can be produced and detected in ceramic matrix composites (CMC) and metal matrix composites (MMC) plates using the acousto-ultrasonic configuration employing broadband transducers.
Kautz, Harold E.
core   +2 more sources

In a Randomized, Placebo-Controlled Cross-Over Study, Administration of 6 and 12 G Fortetropin® Does Not Reduce Serum Myostatin in Healthy Adult Dogs Over 72-Hours

open access: yesFrontiers in Veterinary Science, 2021
Objective: To evaluate the effect of a single administration of 6 and 12 g of Fortetropin compared to placebo on serum myostatin in healthy, adult dogs over a 72-h period.Methods: Prospective, placebo-controlled, randomized, double-blind, crossover study.
Carmella C. Nugent Britt   +2 more
doaj   +1 more source

Book Review: Religious Conversion, Contemporary Practices and Controversies [PDF]

open access: yes, 2001
A review of Religious Conversion, Contemporary Practices and Controversies edited by Christopher Lamb and Darrol ...
Neufeldt, Ronald
core   +2 more sources

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