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Topic: Lyman series

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Lyman alpha line

Paschen series

Balmer series

H alpha

Rydberg formula

Bohr model

Principal quantum number

Theodore Lyman

Azimuthal quantum number

Anchor pylon

Atom

Magnetic quantum number

Quantum number

Hydrogen bond

Electromagnetic spectroscopy

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	Lyman Collection
		Lyman was a member of a prominent Hampshire County family with origins in the earliest European settlements of Massachusetts Bay and the Connecticut Valley.
		Lyman also made observations about his surroundings in the course of worldwide travel, as well as over extended periods of residence in Philadelphia, Northampton, and especially Japan, which is also well documented in the photographs he took and acquired.
		Lyman's letters, both business and personal, are found in the collection in three forms: in drafts; in originals of letters he wrote, mainly to his Lesley aunt and uncle, who bound them; and, mostly, in 30 volumes of letter press copybooks (about one third of which are badly faded).
	www.library.umass.edu /subject/easian/lyman.htm (3473 words)

	Lyman, Theodore (Site not responding. Last check: 2007-10-21)
		Lyman was born in Boston and studied at Harvard, and briefly in Europe at Cambridge and Göttingen.
		When Lyman began his research, the ultraviolet end of the spectrum had been observed by enclosing the spectroscope in a vacuum with fluorite windows.
		Using a concave ruled grating instead of a fluorite prism, Lyman discovered false lines in the ultraviolet due to light in the visible region, and these came to be called Lyman ghosts.
	cartage.org.lb /en/themes/Biographies/MainBiographies/L/Lyman/1.html (247 words)

	Ch 445 Rydberg Analysis
		Following the same analysis as applied to the Lyman series, we obtain from this spectral series a value of the Rydberg constant and the common final state of the Balmer transitions.
		The extent to which the spectral series deviates from that of a one electron atom is reflected in the apparent nuclear charge and in the ionization energy from the lowest state in the spectral series.
		Calculate and record in separate tables for each spectral series the energies of all the levels in the series, using the regression-derived dissociation energies and the ground state energy of the lithium atom.
	www.sou.edu /chem/ch445/rydberg.htm (1115 words)

	Lyman Series Solution (Site not responding. Last check: 2007-10-21)
		The energy of ionization is 13.6 eV, so the series limit for the Lyman series approaches this energy.
		Thus, the Lyman series transitions lie in the energy range 10.2 to 13.6 eV.
		Thus, the Lyman series corresponds to emission or absorption of UV radiation.
	csep10.phys.utk.edu /astr162/lect/light/bohrframe/calculation3b.html (134 words)

	Lyman alpha systems and cosmology (Site not responding. Last check: 2007-10-21)
		The Lyman series is the series of energies required to excite an electron in hydrogen from its lowest energy state to a higher energy state.
		In Lyman alpha systems, the hydrogen is found in clouds in space, and the source for the photons are quasars (also called qsos), very high energy light sources, shining at us from behind these clouds.
		The Lyman alpha systems have deuterium in them too, and as these systems also have low amounts of metals (heavier elements), one might hope that they are measuring unprocessed or primordial deuterium.
	cfa-www.harvard.edu /~jcohn/lya.html (1508 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		The Lyman series lines of neutral hydrogen and the OVI doublet at 103.2,103.7 nm are some of the most prominent features in the coronal ultraviolet spectrum.
		Coronal H I Lyman alpha is formed by resonant scattering of chromospheric Lyman alpha by the small fraction of protons and electrons that exist as neutral hydrogen in the hot corona.
		Detailed analysis of the HI Lyman alpha observations of the north and south polar coronal holes revealed that the average intensities at similar heights decreased towards solar minimum.
	cfa-www.harvard.edu /cfa/spartan/results.html (819 words)

	Emission Spectrum of Hydrogen Gas (Site not responding. Last check: 2007-10-21)
		Show that a typical line in the Lyman series (n2 =1), lies in the unltraviolet and that a typical line in the Ritz-Paschen series (n2=3), lies in the infrared.
		A spectral line found in the Lyman series where n2 = 1 would have a wavelength of approximately 120nm and appear in the UV region between 4 and 400nm.
		A spectral line representing the Ritz-Paschen series where n2 = 3 would have a wavelength of approximately 1,900nm and be found in the near IR rgeion of 700-20,000nm.
	www.sas.upenn.edu /~jafield/H_emissions.html (638 words)

	Anglican Theological Review: Early Christian Traditions
		Rebecca Lyman's Early Christian Traditions should be especially useful to those for whom this is a surprise, or who know that the early Church is important to Anglicanism but not quite why or how.
		Lyman notes the dangers of theological exclusion and clerical monopoly of power, but sees the result as "a theological foundation rather than a closed system" (p.
		Lyman communicates something of its importance for understanding present Anglican practice, but also gives some reason for treating this period-carefully-as a source for learning and growth.
	www.findarticles.com /p/articles/mi_qa3818/is_200004/ai_n8900069 (601 words)

	Ast 110: Class 15
		For Hydrogen, the Lyman series is all transitions to the ground state, the Balmer series is all transitions to the first excited state, and so on.
		The simplest example is pure Hydrogen gas which shows series of absorption or emission lines, some in visible light (the Balmer series), some in the UV (the Lyman series), IR (the Brackett series) and so on.
		The Lyman series is L_alpha (1216 Angstroms), L_beta, and so on.) The lines get closer together at shorter wavelengths and finally come to a limiting wavelength.
	www.ifa.hawaii.edu /~acowie/class99/class_15.html (841 words)

	Search Results for "Lyman"
		Colchester, Conn. He taught school in Georgia, was admitted to the bar, and in 1837 moved to Illinois....
		Madison co., N.Y. He moved to Chicago in 1855 and from 1868 was associated with the First National...
		...Hall, Lyman, 1724-90, political leader in the American Revolution, signer of the Declaration of Independence, b.
	www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=col65&query=Lyman (201 words)

	Atomic Physics
		Further experiments determined that there were additional, similar series of spectral lines produced by hydrogen in the infrared and ultraviolet regions.
		These series of lines could be described by equations similar to Balmer's.
		These lines in the Lyman series have wavelengths from 91 nm to 122 nm.
	www.ux1.eiu.edu /~cfadd/1160/Ch29Atm/Spect.html (266 words)

	Lyman series
		The series of lines in the hydrogen spectrum associated with transitions to or from the first energy level or ground state.
		It lies in the ultraviolet (Lyman-alpha at 1215.67 Å; Lyman-beta at 1026 Å) with a series limit is at 912 Å.
		The He II Lyman lines have almost exactly one-quarter the wavelength of their hydrogen equivalent (He II Lyman-beta, 303.78 Å; He II Lyman limit, 227 Å.)
	www.daviddarling.info /encyclopedia/L/Lyman_series.html (144 words)

	Chemical Sciences: Line Spectrum of Hydrogen
		In the visible range, a series of lines is observed at the following wavelengths (in nm): 656.279, 486.133, 434.047, 410.174, 397.007, 388.905, 383.539, and 379.790.
		Additional series of lines were later discovered for hydrogen in the ultraviolet region of the spectrum (Lyman series, 1908) and in the infrared region of the spectrum (Paschen series, Brackett series, and Pfund series).
		In this equation k is the integer 1 (Lyman), 2 (Balmer), 3 (Paschen), 4 (Brackett), 5 (Pfund),...
	www.psigate.ac.uk /newsite/reference/plambeck/chem1/p01214.htm (1360 words)

	IRWG Events: Jing Lyman Lecture Series 2003-2004 (Site not responding. Last check: 2007-10-21)
		Originally called the "Wednesday Noon Lecture Series", the Jing Lyman Lecture Series was renamed to honor Jing Lyman, long-time supporter of the Institute and wife of Stanford President Emeritus Richard Lyman.
		This series has provided a forum for the presentation of work on women and gender spanning a broad cross-section of disciplines.
		The 2003 Jing Lyman Lecture Series is held in conjunction with the WINSE (Women in the Natural Sciences and Engineering) Program and is supported by the Stanford Provost’s Office Gabilan Fund.
	www.stanford.edu /group/IRWG/events/JLL (204 words)

	Cowley Publications Catalog (Site not responding. Last check: 2007-10-21)
		Lyman describes the early church's "family quarrels"—Gnosticism, Donatism, Arianism—as well as the theological, political, and linguistic issues that went into the making of the great creeds and established the apostolic tradition.
		REBECCA LYMAN is an Episcopal priest and the Samuel Garrett Professor of Church History at The Church Divinity School of the Pacific in Berkeley, California.
		Lyman writes, 'Understanding our past is essential to dreaming our future.' In this book she has invited her readers to take a first step in such an understanding that will lead to vital, Spirit-filled dreams."
	www.cowleypublications.org /catalog/product_info.php?cPath=32&products_id=47 (702 words)

	1950 \| Mandak Playoffs
		(August 29) Lyman Bostock laced a based-loaded single in the bottom of the 9th to score two runs and give Winnipeg Buffaloes a 3-2 win over Minot Mallards in the opening game of their best-of-five semi-final series before 4-thousand fans at Osborne Stadium.
		Lyman Bostock scored twice and batted in two runs with a triple and single.
		Lyman Bostock led off the inning with a double and scored on Leon Days' two-bagger to left.
	www.attheplate.com /wcbl/1950_20h.htm (1224 words)

	Alternate View--Analog
		The Lyman series was first discovered in 1906 by Harvard physicist Theodore Lyman (1874-1954), who was studying the ultraviolet spectrum of electrically excited hydrogen gas.
		Lyman had to do his work using a vacuum chamber, because all of the light in the Lyman series is in the far-ultraviolet region and is strongly absorbed by air.
		In particular, if a broad spectrum of ultraviolet light passes through a cloud of interstellar hydrogen, the wavelengths corresponding to the Lyman series will be selectively absorbed, making holes or "absorption lines" in the ultraviolet spectrum.
	www.analogsf.com /0303/altview.shtml (1865 words)

	[No title] (Site not responding. Last check: 2007-10-21)
		Formation of all Hydrogen series is collisionally controlled and takes place in a rather thin layer at the top of the chromosphere (Balmer, Paschen, and Brackett) or in the transition region (Lyman).
		The radiative cooling is dominated by the Lyman series and the Balmer series respectively in the transition region and the chromosphere.
		The short penetration of the Lyman radiation field produces a net backwarming in the upper chromosphere, while other series penetrate deeper and backwarm the lower chromosphere and the temperature minimum.
	star.arm.ac.uk /~ambn/abstract174.html (595 words)

	altvw116
		The ultraviolet light accompanying an electron jump from the n=2 to the n=1 orbit is called “Lyman Alpha” radiation, because it is the longest wavelength member of a series of photons (or spectroscopic “lines”) corresponding to jumps ending in the n=1 orbit.
		Therefore, the presence of the Lyman Alpha Forest provides evidence that the dark matter present in our universe must be mainly of the cold variety.
		An effect of doubling the mass of the nucleus is to slightly shift the electron orbits of the atom to higher energies.
	www.npl.washington.edu /AV/altvw116.html (1992 words)

	Bookreporter.com - WATCHING MOVIES by Rick Lyman
		Lyman and a subject (almost always an accomplished actor or director) watched a movie chosen by the filmmaker.
		Lyman's series enjoyed great popularity and the articles have been compiled into a book called WATCHING MOVIES.
		Lyman skillfully rounds out the filmmakers' analysis by, for example, economically explaining important plot points in many of the movies, or defining directing techniques mentioned by the subjects.
	www.bookreporter.com /reviews/0805070982.asp (882 words)

	Balmer's Formula
		Later, other researchers found that the series could be extended into ultraviolet wavelengths; the same formula still worked, with larger values of n.
		You can see that the series has a limit-- that is, as n gets larger and larger, the wavelength gets closer and closer to one particular value.
		For example, the Lyman series, which is entirely in the ultraviolet, fits the equation
	www.colorado.edu /physics/2000/quantumzone/balmer.html (362 words)

	Ch 01
		When a photon, whose energy is equal to the energy difference for a transition in the Lyman series, is absorbed by a ground state electron, that electron will make a transition to a higher energy level.
		Most of the "Lyman photons" will remain in the radiation; therefore, the exiting radiation will not contain absorption lines that correspond to wavelengths in the Lyman series.
		Although the absorption lines that correspond to transitions in the Lyman series are not present, there will be more absorption lines in the exiting radiation compared to the situation when the electrons are in the ground state, because absorption lines corresponding to both the Balmer and Paschen series will be present.
	www.emory.edu /PHYSICS/Faculty/Benson/142/concepts4/CQ30.htm (2154 words)

	[No title]
		Emission or absorption processes in the hydrogen atom give rise to several line series, which are sequences of lines corresponding to electron transitions, each ending or beginning with the same atomic state in hydrogen.
		Thus, for example, the Balmer Series involves transitions starting (for absorption) or ending (for emission) with the first excited state (n=2) of hydrogen, while the Lyman Series involves transitions that start or end with the ground state (n=1) of hydrogen.
		For each visible photon, determine the quantum number n from which it returned to the n = 2 of hydrogen, and verify with the equation: EMBED Equation.3 where R is the Rydberg Constant, and nu = 3, 4, 5...
	www.frontiernet.net /~jlkeefer/balmer.doc (284 words)

	Solar Emission near the Lyman Ionization Edge (Site not responding. Last check: 2007-10-21)
		km) for wavelengths near the Lyman ionization edge as observed with a resolution of 1.8 A (Gaussian halfwidth).
		(long dashes: recombination continuum; short dashes: discrete Lyman series without the radiative enhancement effect due to line broadening by plasma field fluctuations; solid curve: total flux including radiative enhancement of the Lyman series).
		was necessary to yield an agreement with both the absolute flux and spectral shape at the solar Lyman ionization edge.
	www.plasmaphysics.org.uk /research/lymsol.htm (84 words)

	The Mystery of Emission-Line Spectra
		As a reward for his insight, this set of visible lines in the hydrogen spectrum are called the "Balmer series".
		The Lyman series corresponds to k=1 with a limit of 91.1 nm, the Balmer series to k=2 with a limit of 364.5 nm, and so forth.
		In the Lyman and Balmer series, we have (in units of 10^14 Hz)
	spiff.rit.edu /classes/phys314/lectures/spectra/spectra.html (492 words)

	Stanford University
		The charge to the panel will be to define "family" in light of current social and cultural conditions and to identify and frame key critical issues that policy makers and individuals regularly overlook when considering family but which are central to developing fair and effective social policies and cultural norms that surround American families.
		The Lyman Lecture Series has provided a forum for the presentation of work on women and gender spanning a broad cross-section of disciplines.
		The aim of the Lyman Lectures is to create a platform where the best in contemporary feminist thought and scholarship can reach fellow scholars and professors, as well as the community at large.
	www.ncrw.org /digest/stanford.htm (793 words)

	abstract articolo scientifico oac (Site not responding. Last check: 2007-10-21)
		The electron density has been estimated using its effect on the extreme resolved line of the Lyman series.
		We also examined the main characteristics (line intensities, shifts, widths) of hydrogen Lyman series lines and of other strong lines in the SUMER spectral interval, in the context of near-simultaneous and co-spatial observations taken with other SOHO instruments, EIT and the Normal Incidence Spectrograph of CDS.
		In some parts of the prominence several of the recorded Lyman lines presented a central reversal.
	www.na.astro.it /biblioteca/abstr03/abstr_24.html (146 words)

	Lyman (Site not responding. Last check: 2007-10-21)
		Lyman, Maine, a town in the United States of America
		Lyman series, a series of lines in the ultraviolet spectrum of the hydrogen atom
		Lyman, a discontinued character from the comic strip Garfield.
	www.worldhistory.com /wiki/L/Lyman.htm (126 words)

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